/* roulang page: index */
:root{
  --brand-900:#0F3D38;
  --brand-700:#17564E;
  --brand-500:#2C7F6E;
  --brand-300:#7FC0AC;
  --brand-100:#DDEEE7;
  --brand-50:#EFF6F2;
  --accent-600:#C96A2B;
  --accent-500:#E4894A;
  --accent-300:#F3B27A;
  --accent-100:#FBE7D8;
  --ink-900:#1D2422;
  --ink-700:#3B4441;
  --ink-500:#6C7773;
  --line:#E4DDD1;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-sm:0 2px 8px rgba(15,61,56,.06);
  --sh-md:0 10px 30px rgba(15,61,56,.10);
  --sh-hover:0 18px 44px rgba(15,61,56,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-color:#1D2422;
  --bs-body-bg:#F6F3EC;
  --bs-primary:#17564E;
  --bs-link-color:#17564E;
  --bs-link-hover-color:#2C7F6E;
  --bs-border-color:#E4DDD1;
  --bs-border-radius:14px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--brand-500)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section-sm{padding:64px 0}
.bg-surface{background:var(--surface)}
.bg-soft{background:var(--brand-50)}
.bg-mist{background:var(--surface-2)}
.bg-sand{background:var(--bg)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--brand-700);background:var(--brand-50);
  border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.2px;margin-top:12px}
.sec-head p{font-size:15px;color:var(--ink-500);margin-top:10px;max-width:640px}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.link-more .arw{transition:transform .22s var(--ease)}
.link-more:hover .arw{transform:translateX(4px)}
.divider-line{width:64px;height:2px;border-radius:2px;background:var(--grad-brand);margin:0 auto}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand-900);flex-shrink:0}
.brand:hover{color:var(--brand-700)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--ink-500);letter-spacing:1.2px;font-weight:500}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-wrap{display:flex;align-items:center;gap:8px;flex:1}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-700);border-radius:999px;
  position:relative;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-link.active{color:var(--brand-700);font-weight:600;background:var(--brand-50)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--accent-500);
}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.action-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:all .22s var(--ease);white-space:nowrap;
}
.action-btn.solid{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm)}
.action-btn.solid:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md)}
.action-btn.solid:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.action-btn.ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.action-btn.ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.action-btn.light{background:#fff;color:var(--brand-900)}
.action-btn.light:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px)}
.action-btn.outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff}
.action-btn.outline-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}

/* Mega 面板 */
.nav-more{position:relative}
.dropdown-toggle::after{display:none}
.mega-menu{
  width:860px;max-width:calc(100vw - 40px);
  padding:22px;border-radius:20px;border:0;
  box-shadow:var(--sh-hover);margin-top:14px;
  left:50%;transform:translateX(-50%);
  background:var(--surface);
}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:20px}
.mega-col-title{
  font-size:12px;font-weight:700;letter-spacing:1.4px;
  color:var(--ink-500);text-transform:uppercase;margin-bottom:12px;
}
.mega-item{display:block;padding:10px 12px;border-radius:12px;transition:background .2s var(--ease)}
.mega-item:hover{background:var(--brand-50)}
.mega-item .mi-title{font-size:14px;font-weight:600;color:var(--ink-900);display:flex;align-items:center;gap:8px}
.mega-item .mi-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300);flex-shrink:0}
.mega-item:hover .mi-title{color:var(--brand-700)}
.mega-item .mi-desc{font-size:12px;color:var(--ink-500);margin-top:2px;padding-left:14px;line-height:1.6}
.mega-news{display:block;padding:10px 12px;border-radius:12px;font-size:13.5px;color:var(--ink-700);line-height:1.5}
.mega-news:hover{background:var(--brand-50);color:var(--brand-700)}
.mega-news span{display:block;font-size:12px;color:var(--ink-500);margin-top:4px}
.mega-card{
  background:var(--grad-brand);color:#fff;border-radius:18px;padding:20px;
  display:flex;flex-direction:column;justify-content:space-between;min-height:180px;
}
.mega-card h4{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px}
.mega-card p{font-size:12.5px;color:rgba(255,255,255,.8);line-height:1.7}
.mega-card .go{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:#fff;
}
.mega-card .go:hover{color:var(--accent-300)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;color:#fff;
  background:linear-gradient(160deg,#0F3D38 0%,#17564E 46%,#2C7F6E 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.14;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(127,192,172,.35),transparent 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .95fr;gap:52px;align-items:center}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;color:#fff;
  backdrop-filter:blur(4px);
}
.hero-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-300);box-shadow:0 0 0 4px rgba(243,178,122,.22)}
.hero h1{
  font-size:clamp(30px,4.1vw,45px);line-height:1.25;font-weight:700;
  letter-spacing:-.4px;margin-top:20px;color:#fff;
}
.hero-sub{
  font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.86);
  margin-top:18px;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);margin-top:22px;
}
.hero-note::before{content:"";width:16px;height:1px;background:rgba(255,255,255,.45)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  box-shadow:0 28px 60px rgba(0,0,0,.32);
}
.hero-tag{
  position:absolute;left:-14px;top:20px;
  background:rgba(255,255,255,.94);color:var(--brand-900);
  border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:600;
  box-shadow:var(--sh-md);
}
.hero-float{
  position:absolute;right:-8px;bottom:-24px;
  background:#fff;color:var(--ink-900);border-radius:20px;
  padding:16px 20px;box-shadow:0 20px 44px rgba(0,0,0,.22);
  display:flex;align-items:center;gap:14px;max-width:280px;
}
.hero-float .hf-num{font-size:26px;font-weight:700;color:var(--brand-700);line-height:1}
.hero-float .hf-txt{font-size:12px;color:var(--ink-500);line-height:1.5}
.hero-float .hf-txt strong{display:block;color:var(--ink-900);font-size:13px;font-weight:600}
.hero-strip{position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad-warm);opacity:.85}

/* ============ 分类导航卡 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cat-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 20px;min-height:210px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  position:relative;overflow:hidden;
}
.cat-card::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:var(--grad-warm);transition:width .3s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300)}
.cat-card:hover::after{width:100%}
.cat-num{
  font-size:12px;font-weight:700;letter-spacing:1px;color:var(--brand-300);
}
.cat-card h3{font-size:17px;font-weight:700;line-height:1.5;margin-top:10px;color:var(--ink-900)}
.cat-card p{font-size:13.5px;line-height:1.7;color:var(--ink-500);margin-top:8px;flex:1}
.cat-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;font-size:13px;font-weight:600;color:var(--brand-700);
}
.cat-foot .arw{transition:transform .22s var(--ease)}
.cat-card:hover .arw{transform:translateX(4px)}

/* ============ 数据徽章 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.stat-card{
  background:var(--surface);border-radius:var(--r-md);padding:22px 20px;
  border:1px solid var(--line);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.stat-num{font-size:28px;font-weight:700;color:var(--brand-700);line-height:1.1}
.stat-num small{font-size:12px;font-weight:600;color:var(--ink-500);margin-left:4px}
.stat-desc{font-size:12.5px;color:var(--ink-500);margin-top:8px}
.calendar{
  background:var(--surface);border-radius:var(--r-md);padding:24px;
  border:1px solid var(--line);margin-top:20px;
}
.calendar h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.calendar h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-warm)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.cal-cell{
  border-radius:12px;background:var(--surface-2);padding:12px 8px;text-align:center;
  font-size:12px;color:var(--ink-500);border:1px solid transparent;
}
.cal-cell strong{display:block;font-size:14px;color:var(--ink-900);font-weight:600;margin-bottom:2px}
.cal-cell.on{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}
.cal-cell.on strong{color:var(--brand-700)}
.cal-cell.on::after{content:"·";display:block;color:var(--accent-500);font-size:18px;line-height:.6}

/* ============ 图文说明 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.2px}
.split p{font-size:15.5px;line-height:1.9;color:var(--ink-700);margin-top:16px}
.point-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.point-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-700);line-height:1.75}
.point-list li .pd{
  width:8px;height:8px;border-radius:50%;background:var(--brand-500);
  flex-shrink:0;margin-top:11px;
}
.split-figure{position:relative}
.split-figure img{width:100%;border-radius:24px;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-md)}
.split-quote{
  position:absolute;left:-18px;bottom:-22px;background:var(--surface);
  border-radius:18px;padding:16px 20px;box-shadow:var(--sh-md);
  border-left:4px solid var(--accent-500);max-width:260px;
}
.split-quote p{font-size:13.5px;color:var(--ink-700);line-height:1.7;margin:0}
.split-quote span{font-size:12px;color:var(--ink-500);display:block;margin-top:6px}

/* ============ 精选内容 ============ */
.feature-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
.feature-main{position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;min-height:420px}
.feature-main img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feature-main:hover img{transform:scale(1.04)}
.feature-main .fm-body{
  position:absolute;inset:auto 0 0 0;padding:32px;
  background:linear-gradient(to top,rgba(10,40,36,.94),rgba(10,40,36,.55) 55%,transparent);
  color:#fff;
}
.feature-main .fm-body h3{font-size:23px;font-weight:700;line-height:1.45;margin-top:12px}
.feature-main .fm-body p{font-size:14px;color:rgba(255,255,255,.82);margin-top:10px;line-height:1.7}
.feature-side{display:flex;flex-direction:column;gap:20px}
.feature-small{
  display:grid;grid-template-columns:130px 1fr;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  flex:1;
}
.feature-small:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300)}
.feature-small img{width:100%;height:100%;min-height:110px;object-fit:cover;border-radius:14px}
.feature-small h3{font-size:16px;font-weight:700;line-height:1.5;margin-top:8px;color:var(--ink-900)}
.feature-small:hover h3{color:var(--brand-700)}
.feature-small p{font-size:13px;color:var(--ink-500);margin-top:6px;line-height:1.65}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;background:var(--brand-50);color:var(--brand-700);
  border:1px solid var(--brand-100);
}
.tag.warm{background:var(--accent-100);color:var(--accent-600);border-color:#F7D8BF}

/* ============ 热度榜 ============ */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:grid;grid-template-columns:44px 1fr auto;gap:18px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--sh-md);border-color:var(--brand-300)}
.rank-no{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;background:var(--brand-50);color:var(--brand-700);
}
.rank-item:nth-child(1) .rank-no{background:var(--grad-warm);color:#fff}
.rank-item:nth-child(2) .rank-no{background:var(--brand-700);color:#fff}
.rank-item:nth-child(3) .rank-no{background:var(--brand-300);color:#0F3D38}
.rank-body h3{font-size:15.5px;font-weight:600;line-height:1.5;color:var(--ink-900)}
.rank-item:hover .rank-body h3{color:var(--brand-700)}
.rank-body .rb-meta{display:flex;align-items:center;gap:10px;margin-top:6px;font-size:12.5px;color:var(--ink-500);flex-wrap:wrap}
.rank-bar{width:110px;height:6px;border-radius:6px;background:var(--brand-100);overflow:hidden;margin-top:8px}
.rank-bar i{display:block;height:100%;border-radius:6px;background:var(--grad-brand)}
.rank-go{
  font-size:13px;font-weight:600;color:var(--brand-700);
  display:inline-flex;align-items:center;gap:6px;
}
.rank-go .arw{transition:transform .22s var(--ease)}
.rank-item:hover .rank-go .arw{transform:translateX(4px)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:16px;font-weight:700;line-height:1.55;margin-top:10px;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3{color:var(--brand-700)}
.news-body p{
  font-size:13.5px;color:var(--ink-500);line-height:1.7;margin-top:8px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:var(--ink-500);
}
.news-meta .arw{color:var(--brand-700);font-weight:700;transition:transform .22s var(--ease)}
.news-card:hover .news-meta .arw{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:260px;background:var(--surface);border:1px dashed var(--brand-300);
  border-radius:var(--r-lg);padding:32px;text-align:center;
}
.empty-graphic{
  width:110px;height:74px;border:2px solid var(--brand-100);border-radius:14px;
  display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0 16px;margin-bottom:18px;
}
.empty-graphic i{display:block;height:6px;border-radius:4px;background:var(--brand-50)}
.empty-state p{font-size:15px;color:var(--ink-500)}

/* ============ 评价 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice-card{
  background:var(--surface);border-radius:var(--r-md);padding:26px;
  border:1px solid var(--line);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.voice-card::before{
  content:"“";position:absolute;top:6px;right:22px;font-size:56px;line-height:1;
  color:var(--brand-100);font-family:Georgia,serif;
}
.voice-card p{font-size:14px;line-height:1.85;color:var(--ink-700);position:relative;z-index:1}
.voice-who{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--brand-100);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;
}
.voice-who strong{display:block;font-size:13.5px;font-weight:600;color:var(--ink-900)}
.voice-who span{font-size:12px;color:var(--ink-500)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--line) !important;
  border-radius:16px !important;margin-bottom:10px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand-300) !important;box-shadow:var(--sh-sm)}
.accordion-button{
  background:var(--surface);color:var(--ink-900);font-size:16px;font-weight:600;
  padding:18px 22px;border-radius:16px !important;box-shadow:none !important;
  min-height:56px;line-height:1.5;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--brand-700)}
.accordion-button::after{
  content:"";width:28px;height:28px;border-radius:50%;background:var(--brand-50);
  background-image:none;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  -webkit-mask:none;mask:none;
}
.accordion-button::before{
  content:"+";position:absolute;right:26px;top:50%;transform:translateY(-50%);
  font-size:18px;font-weight:600;color:var(--brand-700);line-height:1;
  transition:transform .22s var(--ease);
}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-button{position:relative;padding-right:64px}
.accordion-body{
  padding:0 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-700);
  border-left:3px solid var(--brand-100);margin-left:20px;padding-left:18px;
}

/* ============ CTA ============ */
.cta-card{
  background:var(--grad-brand);border-radius:28px;padding:52px;
  color:#fff;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(243,178,122,.28),transparent 68%);
}
.cta-card h2{font-size:clamp(22px,2.5vw,30px);line-height:1.4;font-weight:700;position:relative;z-index:1}
.cta-card p{font-size:14.5px;color:rgba(255,255,255,.82);margin-top:12px;line-height:1.8;position:relative;z-index:1}
.cta-form{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:200px;height:52px;border-radius:999px;border:1.5px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);color:#fff;padding:0 22px;font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.6)}
.cta-form input:focus{outline:none;border-color:var(--accent-300);background:rgba(255,255,255,.18);box-shadow:0 0 0 3px rgba(243,178,122,.22)}
.cta-privacy{font-size:12px;color:rgba(255,255,255,.62);margin-top:14px;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#fff;position:relative;padding-top:64px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-warm)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.68);max-width:280px}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:.8px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);display:inline-block;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a:hover{color:var(--accent-300);transform:translateX(3px)}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:12px;display:flex;gap:10px}
.footer-contact li b{color:var(--brand-300);font-weight:600;flex-shrink:0}
.qr-box{
  width:96px;height:96px;border-radius:12px;margin-top:16px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.16) 0 6px,rgba(255,255,255,.06) 6px 12px);
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:rgba(255,255,255,.62);text-align:center;line-height:1.4;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--accent-300)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature-main{min-height:380px}
}
@media (max-width:991.98px){
  .header-inner{height:60px}
  .nav-wrap{
    position:fixed;left:0;right:0;top:60px;
    background:var(--surface);border-top:1px solid var(--line);
    max-height:calc(100vh - 60px);overflow-y:auto;
    padding:16px 20px 28px;flex-direction:column;align-items:stretch;
    box-shadow:var(--sh-md);
  }
  .nav-wrap.collapse:not(.show){display:none}
  .nav-list{flex-direction:column;align-items:stretch;margin-left:0;gap:2px}
  .nav-link{height:auto;min-height:46px;padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-link.active::after{left:14px;transform:none;bottom:6px}
  .nav-cta{margin-left:0;margin-top:14px;flex-direction:column;align-items:stretch}
  .nav-cta .action-btn{width:100%}
  .mega-menu{
    position:static !important;transform:none !important;width:100% !important;
    max-width:100%;box-shadow:none;border:1px solid var(--line);
    padding:16px;margin-top:8px;
  }
  .mega-grid{grid-template-columns:1fr;gap:16px}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:clamp(27px,5.4vw,36px)}
  .hero-float{right:12px;bottom:-18px;padding:12px 16px}
  .hero-tag{left:12px;top:12px}
  .section{padding:64px 0}
  .split{grid-template-columns:1fr;gap:36px}
  .split-figure{order:-1}
  .split-quote{left:12px;bottom:-18px}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{min-height:320px}
  .feature-side{flex-direction:row}
  .feature-small{grid-template-columns:1fr;flex:1}
  .feature-small img{min-height:140px;height:140px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-card{min-height:auto;padding:20px 18px}
  .news-grid{grid-template-columns:1fr}
  .feature-side{flex-direction:column}
  .cal-grid{grid-template-columns:repeat(4,1fr)}
  .rank-item{grid-template-columns:36px 1fr;gap:14px;padding:16px 18px}
  .rank-go{display:none}
  .rank-bar{width:100%}
  .sec-head{margin-bottom:26px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .cta-form{flex-direction:column}
  .cta-form input,.cta-form .action-btn{width:100%}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .hero{padding:44px 0 56px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .action-btn{width:100%}
  .hero-float{position:static;margin-top:16px;max-width:none;width:100%}
  .hero-tag{position:static;display:inline-block;margin-bottom:12px}
  .cat-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .cal-grid{grid-template-columns:repeat(3,1fr)}
  .cta-card{padding:26px;border-radius:22px}
  .feature-main .fm-body{padding:22px}
  .feature-main .fm-body h3{font-size:19px}
  .accordion-button{font-size:15px;padding:16px 56px 16px 18px}
  .accordion-body{margin-left:12px;padding-left:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand-900:#0F3D38;
  --brand-700:#17564E;
  --brand-500:#2C7F6E;
  --brand-300:#7FC0AC;
  --brand-100:#DDEEE7;
  --brand-50:#EFF6F2;
  --accent-600:#C96A2B;
  --accent-500:#E4894A;
  --accent-300:#F3B27A;
  --accent-100:#FBE7D8;
  --ink-900:#1D2422;
  --ink-700:#3B4441;
  --ink-500:#6C7773;
  --line:#E4DDD1;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-brand-2:linear-gradient(120deg,#0F3D38 0%,#17564E 60%,#2C7F6E 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 2px 8px rgba(15,61,56,.06);
  --shadow-md:0 10px 30px rgba(15,61,56,.10);
  --shadow-hover:0 18px 44px rgba(15,61,56,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#17564E;
  --bs-body-color:#1D2422;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E4DDD1;
  --bs-border-radius:14px;
  --bs-link-color:#17564E;
  --bs-link-hover-color:#2C7F6E;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink-900);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;color:var(--ink-900);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand-900);flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--brand-900);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100);
  flex-shrink:0;
}
.brand-name{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:-.3px;}
.brand-sub{display:block;font-size:11px;line-height:1.4;color:var(--ink-500);letter-spacing:.4px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);padding:0;place-items:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);}
.nav-wrap{align-items:center;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-700);position:relative;transition:all .2s var(--ease);
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none;}
.nav-link.active{color:var(--brand-900);font-weight:600;background:var(--brand-50);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--accent-500);
}
.nav-more{position:relative;}
.dropdown-toggle::after{
  display:inline-block;margin-left:6px;vertical-align:middle;
  border-top:4px solid currentColor;border-right:4px solid transparent;border-left:4px solid transparent;
}
.dropdown-menu{
  border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);
  padding:16px;background:var(--surface);
}
.mega-menu{width:760px;right:0;left:auto;}
.mega-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px;}
.mega-col-title{font-size:12px;font-weight:600;color:var(--ink-500);letter-spacing:.6px;margin-bottom:10px;}
.mega-item{
  display:block;padding:9px 10px;border-radius:12px;transition:background .2s var(--ease);
}
.mega-item:hover{background:var(--brand-50);text-decoration:none;}
.mi-title{display:block;font-size:14px;font-weight:600;color:var(--ink-900);}
.mega-item:hover .mi-title{color:var(--brand-700);}
.mi-desc{display:block;font-size:12px;color:var(--ink-500);line-height:1.6;}
.mega-latest li{padding:8px 0;border-bottom:1px dashed var(--line);}
.mega-latest li:last-child{border-bottom:0;}
.mega-latest a{display:block;font-size:13px;color:var(--ink-700);line-height:1.5;}
.mega-latest span{display:block;font-size:11px;color:var(--ink-500);}
.mega-cta{
  border-radius:20px;padding:18px;background:var(--grad-brand);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-cta p{font-size:13px;line-height:1.6;margin:0;color:rgba(255,255,255,.9);}
.mega-cta a{color:#fff;font-size:14px;font-weight:600;}
.mega-cta a:hover{color:var(--accent-300);text-decoration:none;}
@media (hover:hover){
  .nav-more:hover .dropdown-menu{display:block;}
}
@media (min-width:992px){
  .nav-wrap.collapse{display:flex !important;height:auto !important;visibility:visible !important;}
}

/* ---------- 通用按钮 ---------- */
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .22s var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn-k:hover{text-decoration:none;}
.btn-primary-k{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary-k:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary-k:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-ghost-k{background:transparent;border-color:var(--brand-700);color:var(--brand-700);}
.btn-ghost-k:hover{background:var(--brand-100);color:var(--brand-900);}
.btn-light-k{background:#fff;color:var(--brand-900);box-shadow:var(--shadow-sm);}
.btn-light-k:hover{background:var(--accent-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-text-k{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);}
.btn-text-k .arw{transition:transform .22s var(--ease);}
.btn-text-k:hover .arw{transform:translateX(4px);}
.btn-text-k:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:64px 0 76px;
  background-image:linear-gradient(160deg,rgba(15,61,56,.94) 0%,rgba(23,86,78,.90) 48%,rgba(44,127,110,.86) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;text-align:center;
}
.page-hero::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:64px;height:2px;border-radius:2px;background:var(--grad-warm);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:12px;letter-spacing:.6px;color:#EAF5F1;margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-300);display:inline-block;}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.28;letter-spacing:-.5px;
  max-width:820px;margin:0 auto 16px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px;margin:0 auto 26px;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.crumb-nav{
  display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumb-nav a{color:rgba(255,255,255,.78);}
.crumb-nav a:hover{color:var(--accent-300);text-decoration:none;}
.crumb-nav .sep{color:rgba(255,255,255,.4);}
.crumb-nav .cur{color:#fff;font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--surface);}
.section-soft{background:var(--brand-50);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.8px;
  color:var(--brand-500);margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.sec-head p{margin-top:12px;font-size:16px;color:var(--ink-500);line-height:1.8;}

/* ---------- 概述区 ---------- */
.overview-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.overview-text h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:16px;}
.overview-text p{font-size:17px;line-height:1.9;color:var(--ink-700);}
.point-list{margin-top:24px;display:grid;gap:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-700);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;
}
.point-list .dot{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;margin-top:2px;
  background:var(--brand-100);color:var(--brand-700);display:grid;place-items:center;
  font-size:12px;font-weight:700;
}
.overview-media{position:relative;}
.overview-media img{
  width:100%;height:380px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);background:var(--surface-2);
}
.float-card{
  position:absolute;left:-18px;bottom:-22px;max-width:270px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:18px 20px;box-shadow:var(--shadow-md);
}
.float-card .fc-label{font-size:12px;color:var(--brand-500);font-weight:600;letter-spacing:.6px;}
.float-card .fc-text{font-size:14px;line-height:1.7;color:var(--ink-700);margin-top:6px;}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:28px 22px 24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-300);}
.step::before{
  content:"";position:absolute;top:44px;left:calc(100% + 4px);width:14px;height:2px;
  background:var(--brand-100);border-radius:2px;
}
.step:last-child::before{display:none;}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;margin-bottom:16px;
  font-variant-numeric:tabular-nums;box-shadow:0 6px 16px rgba(15,61,56,.18);
}
.step h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--ink-500);margin:0;}

/* ---------- 信息表格 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow-sm);
}
.table-scroll{overflow-x:auto;}
table.k-table{width:100%;border-collapse:collapse;font-size:15px;min-width:640px;}
table.k-table thead th{
  background:var(--brand-50);color:var(--brand-900);font-weight:600;font-size:14px;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.k-table tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-700);
  vertical-align:top;line-height:1.7;
}
table.k-table tbody tr:nth-child(even){background:var(--surface-2);}
table.k-table tbody tr:last-child td{border-bottom:0;}
table.k-table tbody th{
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-900);background:var(--surface);white-space:nowrap;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:var(--brand-300);box-shadow:var(--shadow-sm);}
.faq-btn{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-family:inherit;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-btn:hover{color:var(--brand-700);}
.faq-icon{
  width:30px;height:30px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);
  display:grid;place-items:center;flex-shrink:0;font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-100);}
.faq-body{padding:0 20px 0 20px;}
.faq-body .inner{
  padding:0 0 20px 16px;border-left:3px solid var(--brand-100);
  font-size:15px;line-height:1.85;color:var(--ink-700);
}
.faq-body .inner p{margin-bottom:.8em;}
.faq-body .inner p:last-child{margin-bottom:0;}

/* ---------- 相关阅读卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.k-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.k-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-300);}
.k-card .thumb{position:relative;overflow:hidden;background:var(--surface-2);}
.k-card .thumb img{width:100%;height:186px;object-fit:cover;transition:transform .4s var(--ease);}
.k-card:hover .thumb img{transform:scale(1.04);}
.k-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-k{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--brand-50);color:var(--brand-700);
  border:1px solid var(--brand-100);align-self:flex-start;
}
.badge-warm{background:var(--accent-100);color:var(--accent-600);border-color:#F6D6BC;}
.k-card h3{font-size:18px;line-height:1.5;}
.k-card h3 a{color:var(--ink-900);}
.k-card h3 a:hover{color:var(--brand-700);text-decoration:none;}
.k-card .desc{font-size:14px;line-height:1.8;color:var(--ink-500);margin:0;}
.k-card .foot{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-500);
}
.k-card .foot .arw{color:var(--brand-500);font-weight:700;transition:transform .22s var(--ease);}
.k-card:hover .foot .arw{transform:translateX(4px);}

/* ---------- CTA 浅色卡 ---------- */
.cta-soft{
  background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--radius-lg);
  padding:48px 44px;display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-soft::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,127,110,.14),rgba(44,127,110,0) 70%);
}
.cta-soft h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:10px;}
.cta-soft p{font-size:15px;line-height:1.8;color:var(--ink-700);margin:0;max-width:560px;}
.cta-soft .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.78);
  position:relative;padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent-500),var(--brand-300),var(--accent-500));
  opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:#fff;}
.footer-brand .brand-name{font-size:16px;font-weight:700;color:#fff;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:.6px;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:all .2s var(--ease);}
.footer-links a:hover{color:var(--accent-300);text-decoration:none;transform:translateX(2px);}
.footer-contact{display:grid;gap:10px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.78);display:flex;gap:8px;line-height:1.7;}
.footer-contact b{color:var(--brand-300);font-weight:600;flex-shrink:0;}
.qr-box{
  margin-top:16px;width:104px;height:104px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.32);display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.55);background:rgba(255,255,255,.04);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent-300);text-decoration:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .overview-grid{gap:40px;}
  .mega-menu{width:680px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:grid;}
  .nav-wrap.collapse{display:none;}
  .nav-wrap.collapse.show{
    display:block;position:absolute;left:0;right:0;top:72px;
    background:var(--surface);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);padding:14px 20px 22px;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{height:48px;border-radius:14px;padding:0 16px;font-size:15px;}
  .nav-link.active::after{display:none;}
  .nav-more .dropdown-menu{
    position:static !important;width:100% !important;box-shadow:none;border:0;
    padding:8px 0 0;transform:none !important;
  }
  .mega-grid{grid-template-columns:1fr;gap:14px;}
  .page-hero{padding:48px 0 56px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .overview-grid{grid-template-columns:1fr;}
  .overview-media img{height:300px;}
  .float-card{position:static;margin-top:16px;max-width:100%;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::before{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-soft{grid-template-columns:1fr;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767.98px){
  .header-inner{height:64px;}
  .nav-wrap.collapse.show{top:64px;max-height:calc(100vh - 64px);}
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
  .page-hero h1{font-size:clamp(24px,6vw,32px);}
  .hero-sub{font-size:15px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .steps{grid-template-columns:1fr;}
  .hero-actions .btn-k{width:100%;}
  .cta-soft .btn-k{width:100%;}
  .overview-media img{height:230px;}
  .crumb-nav .hide-sm{display:none;}
  .faq-btn{min-height:52px;font-size:15px;padding:12px 16px;}
  .faq-body .inner{font-size:14px;}
  .k-card .thumb img{height:170px;}
}

/* roulang page: article */
:root{
  --brand-900:#0F3D38;--brand-700:#17564E;--brand-500:#2C7F6E;--brand-300:#7FC0AC;--brand-100:#DDEEE7;--brand-50:#EFF6F2;
  --accent-600:#C96A2B;--accent-500:#E4894A;--accent-300:#F3B27A;--accent-100:#FBE7D8;
  --ink-900:#1D2422;--ink-700:#3B4441;--ink-500:#6C7773;
  --line:#E4DDD1;--bg:#F6F3EC;--surface:#FFFFFF;--surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --radius-lg:24px;--radius-md:18px;--radius-sm:14px;
  --shadow-sm:0 2px 8px rgba(15,61,56,.06);
  --shadow-md:0 10px 30px rgba(15,61,56,.10);
  --shadow-hover:0 18px 44px rgba(15,61,56,.16);
  --container-max:1200px;
  --bs-primary:#17564E;--bs-body-color:#1D2422;--bs-body-bg:#F6F3EC;--bs-border-color:#E4DDD1;
  --bs-link-color:#17564E;--bs-link-hover-color:#2C7F6E;--bs-border-radius:1rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--ink-900);font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-500)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;color:var(--ink-900);line-height:1.35}
p{margin:0 0 1.2em}
ul,ol{margin:0}
.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 阅读进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1055;background:transparent;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:var(--grad-warm);transition:width .12s linear}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .22s}
.site-header.is-scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand-900);flex:0 0 auto}
.brand:hover{color:var(--brand-900)}
.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px}
.brand-sub{font-size:11px;color:var(--ink-500);letter-spacing:.6px}
.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);cursor:pointer;transition:background .2s,border-color .2s}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-100)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-wrap{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:999px;color:var(--ink-700);font-size:15px;font-weight:500;transition:background .2s,color .2s}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-link.active{color:var(--brand-700);font-weight:600;background:var(--brand-50)}
.nav-link.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:3px;border-radius:3px;background:var(--accent-500)}
.nav-more{position:relative}
.nav-more .dropdown-toggle::after{margin-left:6px;border-top-color:currentColor;vertical-align:.16em}
.dropdown-menu.mega-menu{width:760px;padding:16px;border:0;border-radius:20px;box-shadow:var(--shadow-md);background:var(--surface);margin-top:10px;left:auto;right:0;animation:megaIn .2s ease both}
@keyframes megaIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:12px}
.mega-col{display:flex;flex-direction:column;gap:2px}
.mega-col-title{font-size:12px;font-weight:600;color:var(--ink-500);letter-spacing:1px;padding:6px 10px 8px}
.mega-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;transition:background .2s}
.mega-item:hover{background:var(--brand-50)}
.mi-title{font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.5}
.mega-item:hover .mi-title{color:var(--brand-700)}
.mi-desc{font-size:12px;color:var(--ink-500);line-height:1.5}
.mega-entry{position:relative;overflow:hidden;height:100%;display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:20px;background:var(--grad-brand);color:#fff}
.mega-entry::after{content:"";position:absolute;right:-32px;bottom:-42px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.09)}
.me-title{font-size:15px;font-weight:700;color:#fff}
.me-desc{font-size:12px;line-height:1.7;color:rgba(255,255,255,.82);margin:0}
.me-link{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-size:13px;font-weight:600;color:#fff}
.me-link:hover{color:var(--accent-300)}
.me-link span{transition:transform .2s}
.me-link:hover span{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:0;cursor:pointer;transition:transform .22s cubic-bezier(.2,.7,.3,1),background .22s,box-shadow .22s,color .22s;text-align:center;line-height:1}
.btn-primary-pill{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary-pill:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary-pill:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-700)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px)}
.btn-light-pill{background:#fff;color:var(--brand-900);box-shadow:var(--shadow-sm)}
.btn-light-pill:hover{background:var(--brand-50);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline-light-pill{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.62)}
.btn-outline-light-pill:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ---------- 文章页头 ---------- */
.article-hero{position:relative;background:var(--surface-2);border-bottom:1px solid var(--line);padding:26px 0 40px;overflow:hidden}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,rgba(44,127,110,0),rgba(44,127,110,.55),rgba(228,137,74,.45),rgba(44,127,110,0))}
.article-hero .cloud-deco{position:absolute;right:-60px;top:-70px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(127,192,172,.20),rgba(127,192,172,0) 68%);pointer-events:none}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:20px;position:relative;z-index:1}
.breadcrumb-line a{color:var(--ink-500)}
.breadcrumb-line a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px}
.breadcrumb-line .sep{opacity:.55}
.breadcrumb-line .current{color:var(--ink-900);max-width:440px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;border:1px solid var(--brand-100)}
.cat-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500)}
.article-title{font-size:clamp(26px,3.4vw,40px);line-height:1.32;margin:16px 0 18px;max-width:920px;position:relative;z-index:1}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--ink-500);position:relative;z-index:1}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-500);opacity:.5}
.article-meta .meta-strong{color:var(--ink-700);font-weight:600}

/* ---------- 主体两栏 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;padding:52px 0 40px;align-items:start}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:38px 42px;font-size:17px;line-height:1.9;color:var(--ink-700);box-shadow:var(--shadow-sm);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{font-size:clamp(21px,2.2vw,26px);margin:34px 0 16px;padding-left:16px;position:relative;color:var(--ink-900);scroll-margin-top:96px}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--brand-100)}
.article-body h3{font-size:19px;margin:26px 0 12px;color:var(--ink-900)}
.article-body h4{font-size:17px;margin:20px 0 10px;color:var(--ink-900)}
.article-body p{margin:0 0 1.2em}
.article-body strong{color:var(--ink-900);font-weight:600}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-500)}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:3px;top:.74em;width:8px;height:8px;border-radius:50%;background:var(--brand-300)}
.article-body ol{counter-reset:olc;list-style:none;padding-left:0;margin:0 0 1.2em}
.article-body ol li{counter-increment:olc;position:relative;padding-left:36px;margin-bottom:.7em}
.article-body ol li::before{content:counter(olc);position:absolute;left:0;top:.32em;width:22px;height:22px;border-radius:50%;background:var(--brand-700);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1}
.article-body blockquote{margin:24px 0;background:var(--brand-50);border-left:4px solid var(--brand-500);border-radius:16px;padding:20px 22px;color:var(--ink-700);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-500);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;line-height:1.7}
.article-body th{background:var(--brand-50);text-align:left;padding:12px 14px;font-weight:600;color:var(--brand-900);border-bottom:1px solid var(--line)}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-700)}
.article-body tbody tr:nth-child(even) td{background:var(--surface-2)}
.article-body pre{font-size:14px;line-height:1.7;background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:16px;overflow-x:auto}
.article-body code{font-size:14px;background:var(--surface-2);border-radius:6px;padding:2px 6px}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm)}
.side-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);letter-spacing:1px;margin-bottom:12px}
.side-title::before{content:"";width:14px;height:3px;border-radius:3px;background:var(--accent-500)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li + li{border-top:1px dashed var(--line)}
.side-list a{display:block;padding:11px 0;font-size:14px;font-weight:500;color:var(--ink-700);line-height:1.55}
.side-list a:hover{color:var(--brand-700)}
.side-list .sl-desc{display:block;font-size:12px;color:var(--ink-500);font-weight:400;margin-top:2px}
.side-cta{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--grad-brand);color:#fff;padding:24px}
.side-cta::after{content:"";position:absolute;right:-40px;bottom:-50px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.10)}
.side-cta .side-title{color:#fff}
.side-cta .side-title::before{background:var(--accent-300)}
.side-cta ul{list-style:none;margin:0;padding:0;position:relative;z-index:1}
.side-cta li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;font-size:14px;color:rgba(255,255,255,.92);border-bottom:1px solid rgba(255,255,255,.16)}
.side-cta li:last-child a{border-bottom:0}
.side-cta li a:hover{color:var(--accent-300);padding-left:4px}
.side-cta li a span{opacity:.7;transition:transform .2s}
.side-cta li a:hover span{transform:translateX(3px)}

/* ---------- 继续阅读 / 返回 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav-item{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s}
.post-nav-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-100)}
.pn-dir{font-size:12px;color:var(--ink-500);letter-spacing:.5px}
.pn-title{font-size:16px;font-weight:600;color:var(--ink-900)}
.post-nav-item:hover .pn-title{color:var(--brand-700)}
.pn-desc{font-size:13px;color:var(--ink-500);line-height:1.6}
.post-nav-item.pn-next{text-align:right;align-items:flex-end}
.back-row{display:flex;justify-content:center;margin-top:26px}

/* ---------- 相关信息 ---------- */
.related-section{padding:24px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--ink-500)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.text-link span{transition:transform .2s}
.text-link:hover span{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.rcard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rcard{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,border-color .22s}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-100)}
.rcard-img{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rcard:hover .rcard-img img{transform:scale(1.04)}
.rcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.rcard-body h3{font-size:17px;line-height:1.5}
.rcard:hover .rcard-body h3{color:var(--brand-700)}
.rcard-body p{font-size:13px;color:var(--ink-500);line-height:1.7;margin:0}
.rcard-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;font-size:12px;color:var(--ink-500)}
.rcard-foot .arrow{opacity:0;transform:translateX(-4px);transition:.22s}
.rcard:hover .rcard-foot .arrow{opacity:1;transform:translateX(0);color:var(--brand-700)}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 80px}
.cta-card{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;background:var(--grad-brand);border-radius:var(--radius-lg);padding:44px 48px;box-shadow:var(--shadow-md)}
.cta-card::after{content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.09)}
.cta-text{position:relative;z-index:1;max-width:560px}
.cta-text h2{color:#fff;font-size:clamp(21px,2.4vw,28px);line-height:1.4}
.cta-text p{margin:10px 0 0;color:rgba(255,255,255,.82);font-size:14px;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 空态 ---------- */
.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:64px 32px;text-align:center}
.empty-state .empty-art{width:120px;height:90px;margin:0 auto 22px;border:2px solid var(--brand-100);border-radius:16px;position:relative}
.empty-state .empty-art::before,.empty-state .empty-art::after{content:"";position:absolute;left:18px;right:18px;height:6px;border-radius:3px;background:var(--brand-50)}
.empty-state .empty-art::before{top:26px}
.empty-state .empty-art::after{top:44px;right:44px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:24px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-900);color:rgba(255,255,255,.78);padding:60px 0 0;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,rgba(127,192,172,0),rgba(127,192,172,.75),rgba(228,137,74,.6),rgba(127,192,172,0))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-col{min-width:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:var(--brand-300)}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;max-width:300px}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:1px;margin-bottom:16px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{display:inline-block;font-size:14px;color:rgba(255,255,255,.78)}
.footer-links a:hover{color:var(--accent-300);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.footer-contact b{flex:0 0 auto;font-weight:600;color:rgba(255,255,255,.92)}
.qr-box{margin-top:16px;width:96px;height:96px;display:grid;place-items:center;text-align:center;border:1px dashed rgba(255,255,255,.32);border-radius:12px;font-size:11px;line-height:1.6;color:rgba(255,255,255,.62)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:44px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--accent-300)}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .nav-wrap.collapse,.nav-wrap.collapse:not(.show),.nav-wrap.collapsing{display:flex !important}
}
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side > *{flex:1 1 300px}
  .rcard-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .header-inner{height:60px}
  .nav-toggle{display:inline-flex}
  .nav-wrap.collapse.show,.nav-wrap.collapsing{display:block;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);padding:10px 20px 20px;max-height:calc(100vh - 60px);overflow-y:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:48px;border-radius:12px;padding:0 14px;width:100%;justify-content:space-between}
  .nav-link.active::after{display:none}
  .dropdown-menu.mega-menu{position:static !important;transform:none !important;width:100%;box-shadow:none;padding:4px 0 6px;margin:0}
  .mega-grid{grid-template-columns:1fr}
  .mega-entry{padding:18px}
  .article-body{padding:30px 26px;font-size:16px}
  .article-hero{padding:20px 0 32px}
  .article-layout{padding:36px 0 32px}
  .rcard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.pn-next{text-align:left;align-items:flex-start}
  .cta-card{padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col p{max-width:none}
}
@media (max-width:767.98px){
  .article-body{padding:24px 20px;border-radius:var(--radius-md)}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;border-radius:12px}
  .rcard-grid{grid-template-columns:1fr}
  .article-side{flex-direction:column}
  .article-side > *{flex:1 1 auto}
  .breadcrumb-line .current{max-width:260px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-title{font-size:clamp(23px,6vw,28px)}
  .article-body{font-size:16px;line-height:1.85}
  .breadcrumb-line{font-size:12px;gap:6px}
  .breadcrumb-line .current{max-width:180px}
  .btn{height:46px;padding:0 20px;font-size:14px}
  .cta-card{padding:28px 20px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0F3D38;
  --brand-700:#17564E;
  --brand-500:#2C7F6E;
  --brand-300:#7FC0AC;
  --brand-100:#DDEEE7;
  --brand-50:#EFF6F2;
  --accent-600:#C96A2B;
  --accent-500:#E4894A;
  --accent-300:#F3B27A;
  --accent-100:#FBE7D8;
  --ink-900:#1D2422;
  --ink-700:#3B4441;
  --ink-500:#6C7773;
  --line:#E4DDD1;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --shadow-sm:0 2px 8px rgba(15,61,56,.06);
  --shadow-md:0 10px 30px rgba(15,61,56,.10);
  --shadow-lg:0 18px 44px rgba(15,61,56,.16);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#17564E;
  --bs-body-color:#1D2422;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E4DDD1;
  --bs-border-radius:16px;
  --bs-link-color:#17564E;
  --bs-link-hover-color:#2C7F6E;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease);}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:8px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1200px){.container{max-width:1200px;}}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-md);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;
  flex:none;
  box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ink-500);letter-spacing:.6px;}
.nav-wrap{display:flex;align-items:center;gap:8px;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-700);
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none;}
.nav-link.active{background:var(--brand-50);color:var(--brand-900);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  transform:translateX(-50%);
  width:22px;
  height:3px;
  border-radius:3px;
  background:var(--accent-500);
}
.nav-link.dropdown-toggle::after{
  margin-left:6px;
  border-top-color:currentColor;
  opacity:.65;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;border-radius:2px;background:var(--brand-700);transition:transform .22s var(--ease);}
.nav-toggle:active{background:var(--brand-50);}
.mega-menu{
  width:860px;
  max-width:calc(100vw - 40px);
  padding:20px;
  border:0;
  border-radius:20px;
  box-shadow:var(--shadow-lg);
  margin-top:10px;
  animation:megaIn .2s var(--ease);
}
@keyframes megaIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:18px;}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--ink-500);padding:0 12px 8px;}
.mega-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;}
.mega-item:hover{background:var(--brand-50);text-decoration:none;}
.mi-title{font-size:14px;font-weight:600;color:var(--ink-900);}
.mi-desc{font-size:12px;line-height:1.6;color:var(--ink-500);}
.mega-post{display:flex;flex-direction:column;gap:2px;padding:9px 12px;border-radius:12px;}
.mega-post:hover{background:var(--brand-50);text-decoration:none;}
.mega-post b{font-size:13.5px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.mega-post small{font-size:11.5px;color:var(--ink-500);}
.mega-cta{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:14px;
  padding:20px;
  border-radius:20px;
  background:var(--grad-brand);
  color:#fff;
  min-height:170px;
}
.mega-cta strong{font-size:15px;line-height:1.6;font-weight:600;}
.mega-cta .mega-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;opacity:.92;}
.mega-cta:hover{text-decoration:none;color:#fff;transform:translateY(-2px);transition:transform .22s var(--ease);}
@media (min-width:992px){
  .nav-wrap.collapse{display:flex !important;height:auto !important;}
  .nav-toggle{display:none;}
  .nav-more:hover > .dropdown-menu{display:block;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-wrap{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    background:var(--surface);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
    padding:12px 20px 22px;
    max-height:calc(100vh - 64px);
    overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{display:flex;justify-content:space-between;padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-link.active::after{display:none;}
  .mega-menu{
    position:static !important;
    width:auto;
    max-width:none;
    box-shadow:none;
    border:0;
    padding:6px 0 0;
    margin:0;
    transform:none !important;
    background:transparent;
    animation:none;
  }
  .mega-grid{grid-template-columns:1fr;gap:10px;}
  .mega-cta{min-height:auto;}
}

/* ============ Buttons ============ */
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  background:var(--brand-700);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--brand-500);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-main:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1.5px solid var(--brand-700);
  border-radius:999px;
  background:transparent;
  color:var(--brand-700);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);text-decoration:none;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  background:#fff;
  color:var(--brand-900);
  font-size:15px;
  font-weight:600;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-accent:hover{color:var(--brand-900);text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1.5px solid rgba(255,255,255,.55);
  border-radius:999px;
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none;transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
.link-arrow svg{transition:transform .22s var(--ease);}
.link-arrow:hover{text-decoration:none;color:var(--brand-900);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(760px 380px at 88% -10%,rgba(127,192,172,.28),transparent 62%),
    radial-gradient(520px 320px at 4% 100%,rgba(243,178,122,.18),transparent 60%),
    var(--bg);
  padding:56px 0 72px;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:64px;
  height:3px;
  border-radius:3px;
  background:var(--grad-brand);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.breadcrumb-line{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px;}
.breadcrumb-line a{color:var(--ink-500);}
.breadcrumb-line a:hover{color:var(--brand-700);text-decoration:none;}
.breadcrumb-line .sep{color:var(--line);}
.breadcrumb-line .current{color:var(--ink-900);font-weight:600;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.2px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-700);margin-top:16px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-note{font-size:13px;color:var(--ink-500);margin-top:20px;}
.hero-media{position:relative;}
.hero-img-wrap{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--surface-2);
  box-shadow:var(--shadow-lg);
}
.hero-img-wrap img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-img-wrap::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(15,61,56,0) 45%,rgba(15,61,56,.42) 100%);
}
.hero-tag{
  position:absolute;
  left:18px;
  top:18px;
  z-index:2;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--brand-900);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.stat-badge{
  position:absolute;
  right:-14px;
  bottom:-22px;
  z-index:3;
  display:flex;
  flex-direction:column;
  gap:2px;
  min-width:164px;
  padding:16px 20px;
  border-radius:18px;
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.stat-num{font-size:26px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-num span{font-size:12px;font-weight:500;margin-left:4px;opacity:.85;}
.stat-desc{font-size:12px;color:rgba(255,255,255,.82);line-height:1.5;}

/* ============ Sections ============ */
.section{padding:88px 0;}
.section-surface{background:var(--surface);}
.section-soft{background:var(--surface-2);}
.section-brand{background:var(--brand-50);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.section-head p{margin-top:14px;color:var(--ink-700);font-size:16px;}
.section-head .tagline{display:inline-block;font-size:13px;font-weight:600;color:var(--accent-600);letter-spacing:1px;margin-bottom:10px;}

/* Overview */
.overview-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:start;}
.overview-copy h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:18px;}
.overview-copy p{font-size:16px;line-height:1.9;color:var(--ink-700);}
.point-list{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.point-item{display:flex;gap:14px;padding:18px 20px;border-radius:var(--r-md);background:var(--brand-50);border-left:4px solid var(--brand-300);}
.point-item .dot{
  flex:none;
  width:26px;height:26px;border-radius:50%;
  background:var(--brand-700);
  color:#fff;
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  margin-top:2px;
}
.point-item h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.point-item p{font-size:14.5px;line-height:1.8;color:var(--ink-700);margin:0;}
.mini-card{
  position:sticky;
  top:96px;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--surface-2);
  border:1px solid var(--line);
}
.mini-card h3{font-size:17px;margin-bottom:14px;}
.mini-card ul{display:flex;flex-direction:column;gap:12px;}
.mini-card li{font-size:14px;line-height:1.75;color:var(--ink-700);display:flex;gap:10px;}
.mini-card li::before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--accent-500);margin-top:8px;}
.mini-card .mini-foot{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-500);}

/* Security grid 2x2 asymmetric */
.security-grid{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:20px;}
.sc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.sc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);}
.sc-card-lg{grid-row:span 2;display:flex;flex-direction:column;}
.sc-card-lg .sc-media{overflow:hidden;}
.sc-card-lg img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.sc-card-lg:hover img{transform:scale(1.03);}
.sc-card-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.sc-badge{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-size:12px;
  font-weight:600;
}
.sc-card-body h3{font-size:19px;line-height:1.5;}
.sc-card-body p{font-size:14.5px;line-height:1.8;color:var(--ink-700);margin:0;}
.sc-card-sm{display:flex;align-items:center;gap:16px;padding:18px;}
.sc-card-sm img{width:98px;height:98px;flex:none;border-radius:14px;object-fit:cover;}
.sc-card-sm .sc-text h3{font-size:16px;line-height:1.5;margin-bottom:6px;}
.sc-card-sm .sc-text p{font-size:13.5px;line-height:1.75;color:var(--ink-700);margin:0;}

/* Compare table */
.compare-table{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface);
}
.ct-head,.ct-row{display:grid;grid-template-columns:.9fr 1.7fr .8fr;gap:16px;align-items:center;}
.ct-head{
  background:var(--brand-50);
  padding:14px 22px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-700);
  letter-spacing:.5px;
}
.ct-row{padding:18px 22px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-700);}
.ct-row:nth-child(even){background:var(--surface-2);}
.ct-row span:first-child{font-weight:600;color:var(--ink-900);}
.ct-row span:last-child{font-variant-numeric:tabular-nums;color:var(--brand-700);font-weight:600;}

/* FAQ */
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  margin-bottom:10px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-button{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:56px;
  padding:16px 20px;
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  background:transparent;
  border:0;
  box-shadow:none;
  text-align:left;
  transition:color .22s var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-700);background:transparent;box-shadow:none;}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-500);outline-offset:-2px;}
.faq-accordion .accordion-button::after{
  content:"";
  flex:none;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--brand-50) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317564E' stroke-width='2' stroke-linecap='round'><path d='M12 6v12M6 12h12'/></svg>") center/15px no-repeat;
  transition:transform .22s var(--ease);
  transform:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317564E' stroke-width='2' stroke-linecap='round'><path d='M6 12h12'/></svg>");
  transform:rotate(180deg);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand-300);box-shadow:var(--shadow-sm);}
.faq-accordion .accordion-body{
  padding:0 20px 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-700);
  border-left:3px solid var(--brand-100);
  margin-left:20px;
  padding-left:18px;
}

/* Related cards */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-300);text-decoration:none;}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rel-card .rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:17px;line-height:1.5;color:var(--ink-900);}
.rel-card p{font-size:14px;line-height:1.75;color:var(--ink-700);margin:0;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;font-size:13px;color:var(--ink-500);}
.rel-meta svg{color:var(--brand-700);transition:transform .22s var(--ease);}
.rel-card:hover .rel-meta svg{transform:translateX(4px);}

/* CTA */
.cta-section{background:var(--brand-50);padding:72px 0;}
.cta-card{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.3fr .8fr;
  gap:32px;
  align-items:center;
  padding:48px;
  border-radius:var(--r-lg);
  background:var(--grad-brand);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-70px;
  width:280px;
  height:280px;
  border-radius:50%;
  border:1.5px solid rgba(255,255,255,.22);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.4;}
.cta-card p{color:rgba(255,255,255,.85);font-size:15.5px;line-height:1.85;margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ Footer ============ */
.site-footer{
  position:relative;
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  font-size:14px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-name{font-size:16px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;max-width:300px;}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:1px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .22s var(--ease),transform .22s var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--accent-300);text-decoration:none;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:12px;margin-bottom:18px;}
.footer-contact li{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.78);display:flex;gap:10px;}
.footer-contact b{flex:none;color:var(--brand-300);font-weight:600;}
.qr-box{
  width:104px;height:104px;
  border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);
  background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--accent-300);text-decoration:none;}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(3,1fr);}
  .mega-menu{width:720px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .page-hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .stat-badge{right:12px;bottom:-18px;}
  .overview-grid{grid-template-columns:1fr;gap:32px;}
  .mini-card{position:static;}
  .security-grid{grid-template-columns:1fr;}
  .sc-card-lg{grid-row:auto;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:36px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .related-grid{grid-template-columns:1fr;}
  .ct-head{display:none;}
  .ct-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .ct-row span[data-label]::before{
    content:attr(data-label) "：";
    font-size:12.5px;
    font-weight:600;
    color:var(--ink-500);
  }
  .ct-row span:first-child{font-size:15.5px;}
  .ct-row span:first-child::before{content:"";}
  .faq-accordion .accordion-body{margin-left:12px;padding-left:14px;}
}
@media (max-width:575.98px){
  .header-inner{min-height:60px;}
  .brand-sub{display:none;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost-light{width:100%;}
  .sc-card-sm{flex-direction:column;align-items:flex-start;}
  .sc-card-sm img{width:100%;height:150px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .stat-badge{position:static;margin-top:16px;min-width:0;}
  .hero-img-wrap img{aspect-ratio:16/11;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0F3D38;
  --brand-700:#17564E;
  --brand-500:#2C7F6E;
  --brand-300:#7FC0AC;
  --brand-100:#DDEEE7;
  --brand-50:#EFF6F2;
  --accent-600:#C96A2B;
  --accent-500:#E4894A;
  --accent-300:#F3B27A;
  --accent-100:#FBE7D8;
  --ink-900:#1D2422;
  --ink-700:#3B4441;
  --ink-500:#6C7773;
  --line:#E4DDD1;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --shadow-sm:0 2px 8px rgba(15,61,56,.06);
  --shadow-md:0 10px 30px rgba(15,61,56,.10);
  --shadow-hover:0 18px 44px rgba(15,61,56,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#17564E;
  --bs-body-color:#1D2422;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E4DDD1;
  --bs-border-radius:16px;
  --bs-link-color:#17564E;
  --bs-link-hover-color:#2C7F6E;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;color:var(--ink-900)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container{max-width:1200px}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-md)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);text-decoration:none;flex:0 0 auto}
.brand:hover{color:var(--ink-900);text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100);
}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--ink-500);letter-spacing:.6px;line-height:1.5}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;margin-left:auto;
  background:var(--brand-50);border:1px solid var(--brand-100);border-radius:12px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--brand-700)}
.nav-wrap{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-700);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.nav-link.active{
  color:var(--brand-700);font-weight:600;background:var(--brand-50);
  box-shadow:inset 0 -3px 0 0 var(--accent-500);
}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;
  border-radius:999px;background:var(--brand-700);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.header-cta:hover{background:var(--brand-500);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.header-cta:active{transform:translateY(0)}

.dropdown-menu.mega-menu{
  border:0;border-radius:20px;box-shadow:var(--shadow-md);
  padding:20px;min-width:760px;left:50%;transform:translateX(-50%);
  background:#fff;margin-top:12px;
}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--ink-500);margin-bottom:12px}
.mega-item{display:block;padding:8px 10px;border-radius:12px;transition:background .2s var(--ease)}
.mega-item:hover{background:var(--brand-50);text-decoration:none}
.mi-title{display:block;font-size:14px;font-weight:600;color:var(--brand-700)}
.mi-desc{display:block;font-size:12px;color:var(--ink-500);line-height:1.6;margin-top:2px}
.mega-post{display:block;padding:8px 10px;border-radius:12px;transition:background .2s var(--ease)}
.mega-post:hover{background:var(--surface-2);text-decoration:none}
.mega-post .mp-title{display:block;font-size:14px;font-weight:600;color:var(--ink-900)}
.mega-post .mp-date{display:block;font-size:12px;color:var(--ink-500);margin-top:2px}
.mega-entry{
  display:flex;flex-direction:column;justify-content:space-between;
  background:var(--grad-brand);color:#fff;border-radius:20px;padding:20px;min-height:150px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.mega-entry:hover{color:#fff;text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-md)}
.mega-entry .me-text{font-size:14px;line-height:1.7;color:rgba(255,255,255,.92)}
.mega-entry .me-arrow{font-size:20px;font-weight:700;color:var(--accent-300)}

/* ============ hero (分类页3 全幅图片式) ============ */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(15,61,56,.95) 0%,rgba(15,61,56,.84) 40%,rgba(15,61,56,.46) 74%,rgba(15,61,56,.30) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center right;
  padding:40px 0 64px;
  min-height:430px;
  display:flex;align-items:center;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumbs .sep{opacity:.5}
.crumbs .current{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:12.5px;font-weight:600;color:#fff;margin-bottom:20px;letter-spacing:.4px;
}
.hero-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-300)}
.hero-title{
  font-size:clamp(28px,4vw,44px);line-height:1.3;font-weight:700;
  color:#fff;letter-spacing:-.4px;max-width:820px;
}
.hero-sub{font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);max-width:620px;margin-top:18px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-fact{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:rgba(255,255,255,.9);
}
.hero-fact b{font-variant-numeric:tabular-nums;color:#fff;font-weight:700}

/* ============ buttons ============ */
.btn-brand,.btn-outline-brand,.btn-on-dark,.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  cursor:pointer;border:0;transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-brand{background:var(--brand-700);color:#fff}
.btn-brand:hover{background:var(--brand-500);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-outline-brand{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-on-dark{background:#fff;color:var(--brand-900)}
.btn-on-dark:hover{background:var(--brand-50);color:var(--brand-900);text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost-dark{background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost-dark:hover{background:rgba(255,255,255,.16);color:#fff;text-decoration:none;transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-arrow .ar{transition:transform .22s var(--ease)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover .ar{transform:translateX(4px)}

/* ============ sections ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-surface{background:var(--surface)}
.section-alt{background:var(--bg)}
.section-soft{background:var(--brand-50)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-600);font-size:12px;font-weight:600;letter-spacing:.6px;
  margin-bottom:14px;
}
.sec-title{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700}
.sec-sub{font-size:15.5px;line-height:1.85;color:var(--ink-500);margin-top:12px;max-width:760px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.divider-grad{width:64px;height:2px;border-radius:2px;background:var(--grad-brand);margin-bottom:18px}

/* ============ overview ============ */
.overview-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:start}
.prose p{font-size:16.5px;line-height:1.9;color:var(--ink-700)}
.points{margin-top:24px;display:grid;gap:12px}
.points li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--ink-700)}
.points li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-300);margin-top:10px;
}
.side-card{
  background:var(--surface-2);border:1px solid var(--line);border-radius:20px;padding:26px;
}
.side-card h3{font-size:17px;margin-bottom:16px}
.step-mini{display:flex;gap:14px;padding:14px 0;border-top:1px dashed var(--line)}
.step-mini:first-of-type{border-top:0;padding-top:0}
.step-mini .num{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-mini .txt strong{display:block;font-size:14.5px;font-weight:600;color:var(--ink-900)}
.step-mini .txt span{display:block;font-size:13.5px;line-height:1.7;color:var(--ink-500);margin-top:2px}

/* ============ timeline ============ */
.timeline{position:relative;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:16px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand-300) 0%,var(--brand-100) 100%);
}
.tl-item{position:relative;padding-left:60px;margin-bottom:30px}
.tl-item:last-child{margin-bottom:0}
.tl-num{
  position:absolute;left:0;top:2px;width:34px;height:34px;border-radius:50%;
  background:var(--brand-700);color:#fff;display:grid;place-items:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 5px var(--bg);
}
.tl-body{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-100)}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:15px;line-height:1.85;color:var(--ink-700)}

/* ============ table ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:16px;overflow-x:auto;background:var(--surface);
  box-shadow:var(--shadow-sm);
}
table.info-table{width:100%;border-collapse:collapse;min-width:660px}
.info-table th{
  background:var(--brand-50);color:var(--brand-900);font-size:14px;font-weight:600;
  text-align:left;padding:16px 20px;white-space:nowrap;
}
.info-table td{
  padding:16px 20px;border-top:1px solid var(--line);
  font-size:15px;line-height:1.7;color:var(--ink-700);vertical-align:top;
}
.info-table tbody tr:nth-child(even){background:var(--surface-2)}
.info-table tbody tr:hover{background:var(--brand-50)}
.info-table td:first-child{font-weight:600;color:var(--ink-900)}
.table-note{font-size:13px;color:var(--ink-500);margin-top:14px}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.accordion{--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-body-padding-y:0}
.accordion-item{
  border:1px solid var(--line);border-radius:16px;background:var(--surface);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.accordion-item:hover{border-color:var(--brand-300);box-shadow:var(--shadow-sm)}
.accordion-button{
  background:var(--surface);color:var(--ink-900);font-size:16px;font-weight:700;
  padding:18px 20px;box-shadow:none;display:flex;align-items:center;justify-content:space-between;
  gap:14px;line-height:1.55;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--brand-700);box-shadow:none}
.accordion-button::after{display:none}
.faq-icon{
  position:relative;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--brand-50);border:1px solid var(--brand-100);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.accordion-body{padding:0 20px 20px}
.accordion-body p{
  font-size:15px;line-height:1.85;color:var(--ink-700);
  padding-left:14px;border-left:3px solid var(--brand-100);
}

/* ============ other categories ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;color:inherit;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cat-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:var(--brand-100);color:inherit;text-decoration:none;
}
.cat-card .thumb{position:relative;background:var(--surface-2);overflow:hidden}
.cat-card .thumb img{width:100%;height:136px;object-fit:cover;transition:transform .3s var(--ease)}
.cat-card:hover .thumb img{transform:scale(1.04)}
.cat-card .body{padding:18px 20px 20px}
.cat-card h3{font-size:16px;margin-bottom:6px;transition:color .2s var(--ease)}
.cat-card:hover h3{color:var(--brand-700)}
.cat-card p{font-size:13.5px;line-height:1.7;color:var(--ink-500);margin:0}
.cat-card .more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand-700);margin-top:12px}

/* ============ cta strip ============ */
.cta-strip{
  background:var(--grad-brand);border-radius:24px;padding:36px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-md);position:relative;overflow:hidden;
}
.cta-strip::after{
  content:"";position:absolute;right:-40px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:36px solid rgba(255,255,255,.07);
}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.4vw,26px);line-height:1.4;position:relative;z-index:1}
.cta-strip p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:8px;position:relative;z-index:1}
.cta-strip .actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ============ footer ============ */
.site-footer{
  position:relative;background:var(--brand-900);color:rgba(255,255,255,.78);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#0F3D38,#2C7F6E 45%,#7FC0AC 78%,#F3B27A 100%);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18);color:var(--brand-300)}
.footer-brand .brand-name{font-size:16px;font-weight:700}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0}
.footer-title{font-size:13px;font-weight:600;letter-spacing:1px;color:var(--brand-300);margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:var(--accent-300);text-decoration:none;transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7}
.footer-contact b{flex:0 0 40px;font-weight:600;color:var(--brand-300);font-size:13px}
.footer-contact span{color:rgba(255,255,255,.72)}
.qr-box{
  width:112px;height:112px;border-radius:12px;margin-top:16px;
  border:1px dashed rgba(255,255,255,.32);background:rgba(255,255,255,.05);
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.55);padding:10px;
}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent-300);text-decoration:none}

/* ============ responsive ============ */
@media (min-width:992px){
  .nav-wrap.collapse{display:flex !important}
  .nav-more:hover > .dropdown-menu{display:block}
}
@media (max-width:1199.98px){
  .mega-menu{min-width:660px}
  .mega-grid{grid-template-columns:1fr 1fr;gap:18px}
  .mega-entry{grid-column:span 2;min-height:auto}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .header-inner{height:60px}
  .nav-toggle{display:flex}
  .nav-wrap{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:14px;
    background:#fff;padding:16px 20px 24px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-link.active{box-shadow:inset 3px 0 0 0 var(--accent-500)}
  .header-cta{width:100%;height:46px}
  .dropdown-menu.mega-menu{
    position:static !important;transform:none !important;min-width:0;width:100%;
    box-shadow:none;border:1px solid var(--line);border-radius:16px;padding:14px;margin-top:8px;
  }
  .mega-grid{grid-template-columns:1fr}
  .mega-entry{grid-column:auto}
  .overview-grid{grid-template-columns:1fr;gap:24px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero{min-height:auto;padding:32px 0 52px}
  .section{padding:64px 0}
}
@media (max-width:767.98px){
  .cat-grid{grid-template-columns:1fr}
  .tl-item{padding-left:52px}
  .timeline::before{left:15px}
  .tl-num{width:30px;height:30px;font-size:13px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost-dark{width:100%}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .hero-title{font-size:clamp(24px,7vw,30px)}
  .hero-sub{font-size:15px}
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-strip{padding:26px}
  .crumbs{font-size:12px}
  .brand-sub{display:none}
}

/* roulang page: category4 */
:root{
  --brand-900:#0F3D38;--brand-700:#17564E;--brand-500:#2C7F6E;--brand-300:#7FC0AC;--brand-100:#DDEEE7;--brand-50:#EFF6F2;
  --accent-600:#C96A2B;--accent-500:#E4894A;--accent-300:#F3B27A;--accent-100:#FBE7D8;
  --ink-900:#1D2422;--ink-700:#3B4441;--ink-500:#6C7773;
  --line:#E4DDD1;--bg:#F6F3EC;--surface:#FFFFFF;--surface-2:#FBF9F4;
  --grad-brand:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-brand-soft:linear-gradient(120deg,#17564E 0%,#2C7F6E 60%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --r-xl:26px;--r-lg:24px;--r-md:18px;--r-sm:14px;
  --sh-sm:0 2px 8px rgba(15,61,56,.06);
  --sh-md:0 10px 30px rgba(15,61,56,.10);
  --sh-hover:0 18px 44px rgba(15,61,56,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#17564E;--bs-body-color:#1D2422;--bs-body-bg:#F6F3EC;--bs-border-color:#E4DDD1;
  --bs-border-radius:14px;--bs-link-color:#17564E;--bs-link-hover-color:#2C7F6E;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);letter-spacing:-.2px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.bg-surface{background:var(--surface)}
.bg-soft{background:var(--surface-2)}
.bg-brand-50{background:var(--brand-50)}
.grad-rule{width:64px;height:2px;border-radius:2px;background:var(--grad-brand);border:0;margin:0 0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.93);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;box-shadow:var(--sh-sm);flex:0 0 auto;
}
.brand-name{display:block;font-size:16px;font-weight:700;color:var(--brand-900);line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--ink-500);letter-spacing:.6px;line-height:1.4}
.nav-wrap{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-700);position:relative;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none}
.nav-link.active{background:var(--brand-50);color:var(--brand-700);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:3px;background:var(--accent-500);
}
.nav-more .dropdown-toggle::after{
  margin-left:2px;border-top-color:currentColor;vertical-align:2px;
}
.mega-menu{
  width:780px;max-width:92vw;padding:20px;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-md);background:#fff;margin-top:10px;
}
.mega-grid{display:grid;grid-template-columns:1.15fr .95fr .9fr;gap:18px}
.mega-col-title{font-size:12px;font-weight:600;color:var(--ink-500);letter-spacing:.8px;margin-bottom:8px}
.mega-item{display:block;padding:10px 12px;border-radius:14px;transition:background .2s var(--ease),transform .2s var(--ease)}
.mega-item:hover{background:var(--brand-50);text-decoration:none;transform:translateX(2px)}
.mi-title{display:block;font-size:14px;font-weight:600;color:var(--ink-900)}
.mi-desc{display:block;font-size:12px;color:var(--ink-500);line-height:1.6;margin-top:2px}
.mega-list{display:flex;flex-direction:column;gap:2px}
.mega-post{display:block;padding:9px 10px;border-radius:12px}
.mega-post:hover{background:var(--surface-2);text-decoration:none}
.mega-post b{display:block;font-size:13.5px;font-weight:600;color:var(--ink-900);line-height:1.5}
.mega-post span{font-size:12px;color:var(--ink-500)}
.mega-entry{
  background:var(--grad-brand);color:#fff;border-radius:18px;padding:18px;display:flex;
  flex-direction:column;justify-content:space-between;gap:14px;min-height:150px;position:relative;overflow:hidden;
}
.mega-entry::after{
  content:"";position:absolute;right:-30px;bottom:-40px;width:120px;height:120px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);
}
.mega-entry p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.9);margin:0}
.mega-entry a{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#fff;
  background:rgba(255,255,255,.16);border-radius:999px;padding:7px 14px;align-self:flex-start;
}
.mega-entry a:hover{background:rgba(255,255,255,.26);text-decoration:none;color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  flex-direction:column;justify-content:center;gap:5px;align-items:center;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-700);transition:.22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .22s var(--ease);
}
.btn-main{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm)}
.btn-main:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:transparent;border-color:var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);text-decoration:none;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-main.sm,.btn-ghost.sm,.btn-line.sm{height:42px;padding:0 20px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700)}
.btn-text .arw{transition:transform .2s var(--ease)}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px}
.btn-text:hover .arw{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero-cat{
  position:relative;padding:56px 0 72px;background:var(--surface-2);overflow:hidden;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.10;
}
.hero-cat::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad-brand);opacity:.35;
}
.hero-cat .container{position:relative;z-index:2}
.hero-duo{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
.hero-card-main{
  position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;
  border-radius:var(--r-xl);padding:42px 40px;box-shadow:var(--sh-md);
  display:flex;flex-direction:column;justify-content:center;
}
.hero-card-main::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
}
.hero-card-main::after{
  content:"";position:absolute;right:-40px;bottom:-120px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
}
.hero-card-main h1{
  position:relative;z-index:2;color:#fff;font-size:clamp(28px,3.4vw,40px);line-height:1.3;margin:16px 0 14px;
}
.hero-card-main p{position:relative;z-index:2;font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);max-width:520px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;position:relative;z-index:2;
  background:rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:6px 14px;
  font-size:12px;font-weight:600;letter-spacing:.6px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;position:relative;z-index:2}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.45)}
.crumb .cur{color:#fff;font-weight:600}
.hero-card-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--sh-sm);
}
.side-figure{border-radius:var(--r-md);overflow:hidden;background:var(--surface-2)}
.side-figure img{width:100%;height:190px;object-fit:cover}
.side-points{display:flex;flex-direction:column;gap:12px;padding:2px 4px 0}
.side-points li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-700)}
.side-points .dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--brand-300);margin-top:9px;
}
.side-note{
  margin-top:auto;background:var(--brand-50);border-radius:var(--r-md);padding:14px 16px;
  font-size:13px;line-height:1.7;color:var(--brand-700);
}

/* ---------- section head ---------- */
.section-head{margin-bottom:36px}
.section-head .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:1px;color:var(--brand-500);
  background:var(--brand-50);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(23px,2.6vw,31px);line-height:1.35}
.section-head .lead{margin-top:12px;font-size:15.5px;color:var(--ink-500);max-width:720px}

/* ---------- overview ---------- */
.overview-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:32px;align-items:start}
.overview-copy h2{font-size:clamp(23px,2.6vw,31px);line-height:1.4;margin-bottom:18px}
.overview-copy p{font-size:16.5px;line-height:1.9;color:var(--ink-700)}
.progress-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-sm);position:sticky;top:96px;
}
.progress-card h3{font-size:16px;margin-bottom:4px}
.progress-card .sub{font-size:13px;color:var(--ink-500);margin-bottom:18px}
.pstep{margin-bottom:16px}
.pstep:last-of-type{margin-bottom:0}
.pstep-top{display:flex;justify-content:space-between;align-items:baseline;font-size:13.5px;margin-bottom:6px}
.pstep-top b{font-weight:600;color:var(--ink-900)}
.pstep-top span{color:var(--ink-500);font-size:12px;font-variant-numeric:tabular-nums}
.pbar{height:8px;border-radius:999px;background:var(--brand-50);overflow:hidden}
.pbar i{display:block;height:100%;border-radius:999px;background:var(--grad-brand)}
.pbar i.warm{background:var(--grad-warm)}
.progress-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;line-height:1.7;color:var(--ink-500);
}

/* ---------- numbered steps + sticky aside ---------- */
.steps-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:32px;align-items:start}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;margin-bottom:16px;transition:all .22s var(--ease);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300)}
.step-no{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-sm);
}
.step-body h3{font-size:17.5px;margin-bottom:8px}
.step-body p{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0 0 6px}
.step-body .tip{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--accent-600);
  background:var(--accent-100);border-radius:999px;padding:4px 12px;margin-top:6px;
}
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:16px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-sm);
}
.aside-card h3{font-size:15.5px;margin-bottom:14px}
.aside-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--r-sm);background:var(--surface-2);
  font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:10px;
  transition:all .2s var(--ease);
}
.aside-link:last-child{margin-bottom:0}
.aside-link:hover{background:var(--brand-50);color:var(--brand-700);text-decoration:none;transform:translateX(3px)}
.aside-link .arw{color:var(--brand-500)}
.aside-grad{background:var(--grad-brand);color:#fff;border:0}
.aside-grad h3{color:#fff}
.aside-grad p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.88);margin-bottom:14px}
.aside-grad .btn-line{width:100%}

/* ---------- gradient banner ---------- */
.entry-banner{
  background:var(--grad-brand-soft);color:#fff;border-radius:var(--r-lg);
  padding:26px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-md);position:relative;overflow:hidden;
}
.entry-banner::after{
  content:"";position:absolute;right:-50px;top:-70px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
}
.entry-banner p{position:relative;z-index:2;margin:0;font-size:16px;font-weight:600;line-height:1.7}
.entry-banner span{display:block;font-size:13px;font-weight:400;color:rgba(255,255,255,.82);margin-top:4px}
.entry-banner .btn-line{position:relative;z-index:2;flex:0 0 auto}

/* ---------- phase cards ---------- */
.phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.phase-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:all .22s var(--ease);
}
.phase-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300)}
.phase-figure{position:relative;height:168px;overflow:hidden;background:var(--surface-2)}
.phase-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.phase-card:hover .phase-figure img{transform:scale(1.04)}
.phase-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
}
.phase-body{padding:22px 22px 24px}
.phase-body h3{font-size:17px;margin-bottom:10px}
.phase-body p{font-size:14.5px;line-height:1.85;color:var(--ink-700);margin:0}
.phase-body .meta{
  display:flex;align-items:center;gap:8px;margin-top:14px;font-size:12.5px;color:var(--ink-500);
}
.phase-body .meta i{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent-500);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:16px!important;
  margin-bottom:10px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--brand-300)!important;box-shadow:var(--sh-sm)}
.accordion-button{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  min-height:58px;padding:16px 20px;font-size:16px;font-weight:700;color:var(--ink-900);
  background:var(--surface);box-shadow:none!important;border:0;text-align:left;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--brand-700)}
.accordion-button::after{display:none!important}
.faq-icon{
  position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--brand-50);margin-left:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand-700);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s var(--ease)}
.accordion-button:not(.collapsed) .faq-icon::after{opacity:0}
.accordion-body{
  padding:0 20px 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-700);
}
.accordion-body .inner{border-left:3px solid var(--brand-100);padding-left:16px}

/* ---------- related cards ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;transition:all .22s var(--ease);height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand-300);text-decoration:none}
.rel-figure{height:172px;overflow:hidden;background:var(--surface-2)}
.rel-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-figure img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:600;
  color:var(--brand-700);background:var(--brand-50);border-radius:999px;padding:4px 11px;margin-bottom:12px;
}
.rel-body h3{font-size:16.5px;line-height:1.55;color:var(--ink-900);margin-bottom:10px}
.rel-card:hover .rel-body h3{color:var(--brand-700)}
.rel-body p{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0 0 16px}
.rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--ink-500);
}
.rel-foot .arw{color:var(--brand-500);font-weight:700}

/* ---------- CTA bar ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4}
.cta-bar p{font-size:14.5px;color:var(--ink-500);margin:8px 0 0;max-width:600px}
.cta-bar .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;max-width:320px}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:.8px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:all .2s var(--ease);
}
.footer-links a:hover{color:var(--accent-300);transform:translateX(2px);text-decoration:none}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:10px;line-height:1.7}
.footer-contact b{color:rgba(255,255,255,.55);font-weight:500;flex:0 0 34px}
.footer-contact span{color:rgba(255,255,255,.82)}
.qr-box{
  margin-top:16px;width:104px;height:104px;border-radius:12px;display:grid;place-items:center;
  text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
  border:1px dashed rgba(255,255,255,.28);background:rgba(255,255,255,.04);
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--accent-300)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-duo{grid-template-columns:1fr 1fr;gap:20px}
  .steps-layout{grid-template-columns:1.7fr 1fr;gap:24px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .nav-toggle{display:flex}
  .header-inner{height:60px}
  .site-header .nav-wrap.collapse:not(.show){display:none}
  .site-header .nav-wrap.collapse.show{
    display:block;position:absolute;left:0;right:0;top:60px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-md);
    padding:14px 20px 22px;max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{justify-content:space-between;padding:13px 16px;border-radius:14px;min-height:46px}
  .nav-link.active::after{display:none}
  .nav-more .dropdown-menu{
    position:static!important;display:block;width:auto;max-width:none;border:1px solid var(--line);
    box-shadow:none;padding:12px;margin:6px 0 8px;transform:none!important;
  }
  .mega-grid{grid-template-columns:1fr;gap:14px}
  .mega-entry{min-height:auto}
  .nav-cta{padding-top:12px}
  .nav-cta .btn-main{width:100%}
  .hero-duo{grid-template-columns:1fr}
  .hero-card-main{padding:32px 26px}
  .overview-grid{grid-template-columns:1fr}
  .progress-card{position:static}
  .steps-layout{grid-template-columns:1fr}
  .aside-sticky{position:static}
  .phase-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .entry-banner{flex-direction:column;align-items:flex-start;padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .hero-cat{padding:32px 0 48px}
  .phase-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .step-item{grid-template-columns:1fr;gap:14px;padding:22px}
  .step-no{width:48px;height:48px;border-radius:14px;font-size:17px}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .cta-bar .actions{width:100%}
  .cta-bar .actions .btn-main,.cta-bar .actions .btn-ghost{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-col p{max-width:none}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .hero-card-main h1{font-size:clamp(24px,7vw,30px)}
  .hero-actions{width:100%}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .entry-banner .btn-line{width:100%}
  .section-head h2{font-size:22px}
}

/* roulang page: category5 */
:root{
  --brand-900:#0F3D38;--brand-700:#17564E;--brand-500:#2C7F6E;--brand-300:#7FC0AC;--brand-100:#DDEEE7;--brand-50:#EFF6F2;
  --accent-600:#C96A2B;--accent-500:#E4894A;--accent-300:#F3B27A;--accent-100:#FBE7D8;
  --ink-900:#1D2422;--ink-700:#3B4441;--ink-500:#6C7773;--line:#E4DDD1;
  --bg:#F6F3EC;--surface:#FFFFFF;--surface-2:#FBF9F4;
  --grad:linear-gradient(135deg,#0F3D38 0%,#2C7F6E 55%,#7FC0AC 100%);
  --grad-2:linear-gradient(160deg,#17564E 0%,#2C7F6E 60%,#7FC0AC 100%);
  --grad-warm:linear-gradient(120deg,#E4894A,#F3B27A);
  --r-xl:28px;--r-lg:24px;--r-md:18px;--r-sm:14px;--r-xs:10px;
  --sh-sm:0 2px 8px rgba(15,61,56,.06);
  --sh-md:0 10px 30px rgba(15,61,56,.10);
  --sh-hover:0 18px 44px rgba(15,61,56,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-color:#1D2422;--bs-body-bg:#F6F3EC;--bs-border-color:#E4DDD1;
  --bs-primary:#17564E;--bs-link-color:#17564E;--bs-link-hover-color:#0F3D38;
  --bs-border-radius:14px;
  --bs-body-font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1035;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-900);text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;color:var(--brand-900);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;box-shadow:var(--sh-sm);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.2px;color:var(--brand-900);}
.brand-sub{font-size:11px;color:var(--ink-500);letter-spacing:.6px;margin-top:3px;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:none;background:var(--brand-50);border-radius:12px;
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform .2s var(--ease);}
.nav-wrap{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink-700);
  padding:8px 13px;border-radius:999px;text-decoration:none;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50);text-decoration:none;}
.nav-link.active{color:var(--brand-900);background:var(--brand-50);}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:3px;border-radius:3px;
  background:var(--accent-500);
}
.nav-more .dropdown-toggle::after{border-top-color:currentColor;margin-left:2px;}
.dropdown-menu.mega-menu{
  width:780px;max-width:calc(100vw - 40px);left:auto;right:0;
  padding:22px;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-md);background:#fff;margin-top:14px;
}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--ink-500);margin-bottom:12px;text-transform:uppercase;}
.mega-item{display:block;padding:9px 10px;border-radius:12px;text-decoration:none;transition:background .18s var(--ease);}
.mega-item:hover{background:var(--brand-50);text-decoration:none;}
.mi-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand-900);}
.mi-title::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300);flex-shrink:0;}
.mega-item:hover .mi-title::before{background:var(--accent-500);}
.mi-desc{display:block;font-size:12px;color:var(--ink-500);line-height:1.6;margin-top:2px;padding-left:14px;}
.mega-note{display:block;padding:9px 10px;font-size:12.5px;color:var(--ink-500);line-height:1.7;border-bottom:1px dashed var(--line);}
.mega-note b{display:block;font-size:13.5px;color:var(--ink-900);font-weight:600;}
.mega-cta{
  background:var(--grad);border-radius:20px;padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  position:relative;overflow:hidden;
}
.mega-cta::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.12);}
.mega-cta p{font-size:14px;line-height:1.7;margin:0;color:rgba(255,255,255,.9);position:relative;z-index:1;}
.mega-cta .mega-cta-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.mega-cta a{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--brand-900);
  background:#fff;border-radius:999px;padding:9px 16px;align-self:flex-start;position:relative;z-index:1;text-decoration:none;
  transition:transform .2s var(--ease);
}
.mega-cta a:hover{transform:translateX(3px);color:var(--brand-900);text-decoration:none;}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;
  background:var(--brand-700);color:#fff;font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);text-decoration:none;
}
.header-cta:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none;}
.header-cta:active{transform:translateY(0);box-shadow:var(--sh-sm);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  padding:0 26px;height:48px;border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  text-decoration:none;
}
.btn-brand{background:var(--brand-700);color:#fff;box-shadow:var(--sh-sm);}
.btn-brand:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none;}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-900);text-decoration:none;}
.btn-text{background:none;border:none;padding:0;height:auto;color:var(--brand-700);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.btn-text i{transition:transform .2s var(--ease);}
.btn-text:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#EFF6F2 0%,#FBF9F4 55%,#F6F3EC 100%);
  padding:56px 0 72px;border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,192,172,.28),rgba(127,192,172,0) 70%);
}
.page-hero::after{
  content:"";position:absolute;left:-90px;bottom:-150px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,137,74,.16),rgba(228,137,74,0) 70%);
}
.crumbs{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);margin-bottom:26px;justify-content:center;
}
.crumbs a{color:var(--ink-500);text-decoration:none;}
.crumbs a:hover{color:var(--brand-700);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--ink-900);font-weight:600;}
.hero-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.4px;
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);flex-shrink:0;}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.28;font-weight:700;letter-spacing:-.2px;
  color:var(--brand-900);margin:0 0 18px;
}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--ink-700);margin:0 auto 28px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.hero-note{margin-top:18px;font-size:13px;color:var(--ink-500);}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.surface{background:var(--surface);}
.section.surface-2{background:var(--surface-2);}
.section.brand-soft{background:var(--brand-50);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1.2px;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-500);}
.sec-title{font-size:clamp(23px,2.6vw,32px);line-height:1.35;font-weight:700;color:var(--brand-900);margin:0 0 14px;}
.sec-desc{font-size:16px;line-height:1.85;color:var(--ink-500);margin:0;}
.divider-line{height:2px;width:64px;border-radius:2px;background:var(--grad);margin:0 auto 28px;}

/* ---------- stats ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-46px;position:relative;z-index:3;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--brand-300);}
.stat-num{font-size:26px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:12px;font-weight:600;color:var(--ink-500);margin-left:5px;}
.stat-desc{font-size:13px;color:var(--ink-500);margin-top:6px;line-height:1.6;}

/* ---------- QA grid ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.qa-item{
  background:var(--brand-50);border:1px solid transparent;border-radius:16px;
  padding:24px 26px;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.qa-item:hover{background:#fff;border-color:var(--brand-300);box-shadow:var(--sh-sm);transform:translateY(-3px);}
.qa-q{
  display:flex;align-items:flex-start;gap:10px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--brand-900);margin:0 0 10px;
}
.qa-idx{
  flex-shrink:0;font-size:12px;font-weight:700;color:var(--accent-600);
  background:var(--accent-100);border-radius:8px;padding:2px 7px;margin-top:3px;font-variant-numeric:tabular-nums;
}
.qa-a{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0;}

/* ---------- pick cards ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pick-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  text-decoration:none;color:inherit;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pick-card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);border-color:var(--brand-300);text-decoration:none;color:inherit;}
.pick-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.pick-card:hover .pick-media img{transform:scale(1.05);}
.badge-cat{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:600;color:var(--brand-900);
  background:rgba(255,255,255,.94);border-radius:999px;padding:5px 12px;
  box-shadow:var(--sh-sm);
}
.pick-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.pick-title{font-size:17px;font-weight:600;line-height:1.55;color:var(--brand-900);margin:0 0 10px;}
.pick-card:hover .pick-title{color:var(--brand-700);}
.pick-desc{font-size:14px;line-height:1.75;color:var(--ink-500);margin:0 0 18px;flex:1;}
.pick-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px;
}
.pick-meta i{transition:transform .2s var(--ease);color:var(--brand-500);}
.pick-card:hover .pick-meta i{transform:translateX(4px);}

/* ---------- split FAQ ---------- */
.faq-split{border-top:1px solid var(--line);margin-top:8px;}
.fs-item{
  display:grid;grid-template-columns:330px 1fr;gap:36px;
  padding:28px 0;border-bottom:1px solid var(--line);align-items:start;
  transition:background .2s var(--ease);
}
.fs-item:hover{background:rgba(239,246,242,.55);}
.fs-q{display:flex;align-items:flex-start;gap:12px;font-size:16px;font-weight:600;line-height:1.65;color:var(--brand-900);margin:0;}
.fs-q .qmark{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;background:var(--brand-50);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.fs-a{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0;}
.fs-a b{color:var(--brand-900);font-weight:600;}

/* ---------- callout ---------- */
.callout{
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--sh-sm);
}
.callout h3{font-size:20px;font-weight:700;color:var(--brand-900);margin:0 0 10px;}
.callout p{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0;}
.callout-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.callout-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-700);}
.callout-list li i{color:var(--brand-500);margin-top:3px;flex-shrink:0;}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-xl);padding:52px 56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--sh-md);
}
.cta-card::before{
  content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-card::after{
  content:"";position:absolute;left:-50px;bottom:-110px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-text{position:relative;z-index:1;max-width:620px;}
.cta-text h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;margin:0 0 12px;color:#fff;}
.cta-text p{font-size:15.5px;line-height:1.8;margin:0;color:rgba(255,255,255,.88);}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
.btn-light{background:#fff;color:var(--brand-900);box-shadow:var(--sh-sm);}
.btn-light:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-md);text-decoration:none;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;text-decoration:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);position:relative;padding:64px 0 0;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:24px;
  background:linear-gradient(90deg,#0F3D38,#2C7F6E 45%,#7FC0AC 75%,#E4894A);
  opacity:.9;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-top:24px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:13px;font-weight:600;color:var(--brand-300);letter-spacing:1px;margin-bottom:16px;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.78);text-decoration:none;display:inline-block;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-links a:hover{color:var(--accent-300);transform:translateX(2px);text-decoration:none;}
.footer-contact{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact li{display:flex;gap:10px;line-height:1.7;}
.footer-contact b{color:var(--brand-300);font-weight:600;flex-shrink:0;font-size:13px;}
.footer-contact span{color:rgba(255,255,255,.78);}
.qr-box{
  width:104px;height:104px;border-radius:14px;border:1px dashed rgba(255,255,255,.35);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.55);background:rgba(255,255,255,.04);
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);text-decoration:none;}
.footer-bottom a:hover{color:var(--accent-300);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .pick-grid{gap:20px;}
  .fs-item{grid-template-columns:290px 1fr;gap:28px;}
}
@media (max-width:991px){
  .header-inner{min-height:60px;flex-wrap:wrap;gap:12px;}
  .nav-toggle{display:flex;}
  .header-cta{height:40px;padding:0 16px;font-size:13.5px;margin-left:auto;}
  .nav-toggle{margin-left:0;order:3;}
  .nav-wrap{
    flex-basis:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:8px;
    padding-bottom:16px;
  }
  .nav-wrap.collapse:not(.show){display:none;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{padding:13px 14px;min-height:44px;border-radius:12px;justify-content:space-between;}
  .nav-link.active::after{display:none;}
  .nav-more .dropdown-menu.mega-menu{
    position:static!important;transform:none!important;width:100%;max-width:100%;
    box-shadow:none;border:1px solid var(--line);margin-top:6px;padding:14px;
  }
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .mega-cta{display:none;}
  .stat-strip{grid-template-columns:repeat(3,1fr);margin-top:-36px;gap:12px;}
  .pick-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
  .cta-card{padding:38px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .page-hero{padding:40px 0 64px;}
  .qa-grid{grid-template-columns:1fr;}
  .pick-grid{grid-template-columns:1fr;}
  .fs-item{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .fs-q{font-size:15.5px;}
  .callout{grid-template-columns:1fr;padding:28px 24px;gap:20px;}
  .cta-card{padding:32px 24px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-strip .stat-card:last-child{grid-column:1 / -1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575px){
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .hero-actions .btn{width:100%;}
  .qa-item{padding:20px 18px;}
  .pick-body{padding:18px 18px 20px;}
  .stat-card{padding:18px 16px;}
  .stat-num{font-size:22px;}
  .crumbs{font-size:12px;gap:6px;}
  .cta-actions .btn{width:100%;flex:none;}
}