/* roulang page: index */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#111315;
  --muted:#6B6F76;
  --primary:#0E9F8A;
  --primary-deep:#087A6B;
  --accent:#FF6B35;
  --accent-soft:#FFE4D8;
  --line:#E6E1D6;
  --dark:#0C0D0F;
  --on-dark:#F7F5F0;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 10px 30px rgba(17,19,21,.08);
  --shadow-sm:0 4px 14px rgba(17,19,21,.06);
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
input{font:inherit}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-deep)}
:focus-visible{outline:3px solid rgba(14,159,138,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-x{margin-left:-14px;margin-right:-14px}
.cards-grid{margin-left:-14px;margin-right:-14px}
.cards-grid>.cell{padding-left:14px;padding-right:14px;margin-bottom:28px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.96);backdrop-filter:blur(6px);border-bottom:1px solid transparent;transition:box-shadow .3s var(--ease),border-color .3s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(17,19,21,.06)}
.nav-inner{padding:12px 0 8px}
.nav-top{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;display:grid;place-items:center;font-size:1rem;font-weight:800;letter-spacing:0}
.brand-text{line-height:1.2}
.search-bar{position:relative;flex:1 1 340px;max-width:620px;transition:.25s var(--ease)}
.search-bar .search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;display:grid;place-items:center}
.search-bar input[type="search"]{width:100%;height:50px;border:1px solid var(--line);border-radius:999px;background:var(--surface);padding:0 126px 0 48px;color:var(--ink);transition:.24s var(--ease)}
.search-bar input[type="search"]::placeholder{color:#9AA0A6}
.search-bar input[type="search"]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,159,138,.14)}
.search-bar.is-error input[type="search"]{border-color:#D64534;box-shadow:0 0 0 4px rgba(214,69,52,.12)}
.search-submit{position:absolute;right:6px;top:6px;height:38px;padding:0 20px;border-radius:999px;background:var(--primary);color:#fff;font-size:.86rem;font-weight:700;transition:.24s var(--ease)}
.search-submit:hover{background:var(--primary-deep)}
.search-submit:active{transform:scale(.97)}
.search-hint{display:none;margin:8px 0 0 18px;font-size:.8rem;color:var(--muted)}
.search-hint.is-show{display:block}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:#3B4046;transition:.24s var(--ease)}
.nav-link:hover{background:#EDE8DE;color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:#fff}
.nav-toggle{display:none;align-items:center;gap:8px;margin-left:auto;padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.88rem;font-weight:700}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:4px}
.nav-toggle .bars i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-cats{display:flex;gap:10px;overflow-x:auto;padding:10px 0 4px;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-chip{flex:0 0 auto;padding:7px 15px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.82rem;color:#454A50;font-weight:600;white-space:nowrap;transition:.24s var(--ease)}
.cat-chip:hover{border-color:var(--primary);color:var(--primary-deep);background:#EDF7F5}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:68px 0 78px;
  background-image:linear-gradient(115deg,rgba(246,243,236,.97) 0%,rgba(246,243,236,.9) 46%,rgba(246,243,236,.6) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;letter-spacing:.12em;font-weight:700;color:var(--primary-deep);background:#E4F4F0;padding:7px 14px;border-radius:999px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
.hero h1{font-size:clamp(2.2rem,5.4vw,4.3rem);line-height:1.08;letter-spacing:-.035em;font-weight:800;margin:22px 0 0}
.hero-sub{margin-top:20px;max-width:580px;font-size:1.02rem;line-height:1.85;color:#43484E}
.hero-search{margin-top:30px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:30px}
.hero-point{display:inline-flex;align-items:center;gap:9px;font-size:.88rem;color:#4A4F55;font-weight:600}
.hero-point svg{flex:0 0 auto;color:var(--primary)}
.hero-visual{display:flex;justify-content:center;position:relative}
.phone-card{position:relative;width:min(320px,88%);aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;background:var(--dark);box-shadow:0 26px 50px rgba(17,19,21,.22)}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,13,15,.05) 45%,rgba(12,13,15,.78) 100%)}
.phone-play{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--primary-deep);box-shadow:0 12px 28px rgba(0,0,0,.24);z-index:2;transition:.3s var(--ease)}
.phone-card:hover .phone-play{transform:translate(-50%,-50%) scale(1.08)}
.phone-tag{position:absolute;left:16px;top:16px;z-index:2;background:rgba(255,255,255,.94);color:var(--ink);font-size:.76rem;font-weight:700;padding:6px 12px;border-radius:999px}
.phone-duration{position:absolute;right:16px;bottom:18px;z-index:2;background:var(--accent);color:#fff;font-size:.76rem;font-weight:700;padding:6px 12px;border-radius:999px}
.phone-caption{position:absolute;left:18px;right:18px;bottom:56px;z-index:2;color:#F7F5F0;font-size:.95rem;font-weight:700;line-height:1.5}
.hero-float{position:absolute;left:-6px;bottom:26px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px 18px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 5px rgba(14,159,138,.16)}
.hero-float b{display:block;font-size:.9rem}
.hero-float span{font-size:.76rem;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:50px;padding:0 26px;border-radius:999px;font-size:.94rem;font-weight:700;border:1px solid transparent;transition:transform .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease),color .26s var(--ease)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,159,138,.24)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,159,138,.3)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,107,53,.26)}
.btn-accent:hover{background:#E85B26;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.btn-light{background:#F7F5F0;color:var(--ink)}
.btn-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.99)}

/* ---------- sections ---------- */
.sec{padding:84px 0}
.sec--alt{background:#F1EDE3}
.sec--dark{background:var(--dark);color:var(--on-dark)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;flex-wrap:wrap;margin-bottom:42px}
.sec-title{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;line-height:1.28;letter-spacing:-.02em;margin-top:14px}
.sec-desc{margin-top:12px;max-width:660px;color:var(--muted);font-size:.98rem}
.sec--dark .sec-title{color:var(--on-dark)}
.sec--dark .sec-desc{color:#A9AEB4}
.sec-link{font-size:.9rem;font-weight:700;color:var(--primary-deep);display:inline-flex;align-items:center;gap:6px}
.sec-link:hover{gap:10px}

/* ---------- feature cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;height:100%;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#D9D2C4}
.card-icon{width:46px;height:46px;border-radius:14px;background:#E4F4F0;color:var(--primary-deep);display:grid;place-items:center;margin-bottom:18px}
.card h3{font-size:1.12rem;font-weight:700;letter-spacing:-.01em}
.card p{margin-top:12px;color:var(--muted);font-size:.94rem;line-height:1.8}
.card-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;padding:5px 12px;border-radius:999px;background:#F1EDE3;color:#4A4F55;font-size:.76rem;font-weight:600}
.tag-primary{background:#E4F4F0;color:var(--primary-deep)}
.tag-accent{background:var(--accent-soft);color:#B8410F}

/* ---------- clips ---------- */
.snap-row{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 20px;scrollbar-width:thin}
.snap-row::-webkit-scrollbar{height:6px}
.snap-row::-webkit-scrollbar-thumb{background:#D8D2C6;border-radius:99px}
.clip{flex:0 0 248px;scroll-snap-align:start;display:block}
.clip-cover{position:relative;aspect-ratio:9/16;border-radius:22px;overflow:hidden;background:var(--dark)}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.clip:hover .clip-cover img{transform:scale(1.05)}
.clip-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,13,15,0) 42%,rgba(12,13,15,.8) 100%)}
.clip-badge{position:absolute;left:12px;top:12px;z-index:2;background:rgba(255,255,255,.94);color:var(--ink);font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:999px}
.clip-time{position:absolute;right:12px;bottom:12px;z-index:2;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;padding:5px 10px;border-radius:999px}
.clip-play{position:absolute;left:12px;bottom:12px;z-index:2;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--primary-deep);display:grid;place-items:center}
.clip-text{margin-top:14px;font-size:.94rem;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-sub{margin-top:6px;font-size:.78rem;color:var(--muted)}

/* ---------- rank list ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{display:grid;grid-template-columns:70px 76px 1fr auto;gap:24px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.24s var(--ease)}
.rank-item:hover{padding-left:10px}
.rank-num{font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.rank-thumb{width:76px;height:76px;border-radius:18px;overflow:hidden;background:#E6E1D6}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rank-item:hover .rank-thumb img{transform:scale(1.06)}
.rank-body h3{font-size:1.05rem;font-weight:700}
.rank-body p{margin-top:8px;color:var(--muted);font-size:.9rem;line-height:1.75}
.rank-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}
.rank-arrow{color:var(--muted);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);transition:.24s var(--ease)}
.rank-item:hover .rank-arrow{background:var(--primary);border-color:var(--primary);color:#fff}

/* ---------- news ---------- */
.news-card{display:block;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#D9D2C4}
.news-card h3{margin-top:14px;font-size:1.06rem;font-weight:700;line-height:1.5}
.news-desc{margin-top:10px;color:var(--muted);font-size:.9rem;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:18px;display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 28px;text-align:center}
.empty-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:20px;background:#E4F4F0;color:var(--primary-deep);display:grid;place-items:center}
.empty-state h3{font-size:1.1rem;font-weight:700}
.empty-state p{margin-top:10px;color:var(--muted);font-size:.92rem}
.empty-state .btn{margin-top:22px}

/* ---------- reviews ---------- */
.review-row{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.review-row::-webkit-scrollbar{height:6px}
.review-row::-webkit-scrollbar-thumb{background:#D8D2C6;border-radius:99px}
.review-card{flex:0 0 306px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;display:grid;place-items:center;font-weight:700;font-size:.95rem}
.review-name{font-weight:700;font-size:.95rem}
.review-from{font-size:.76rem;color:var(--muted)}
.stars{color:var(--accent);letter-spacing:2px;font-size:.86rem;margin-top:14px}
.review-text{margin-top:10px;color:#43484E;font-size:.92rem;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-top:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:1rem;font-weight:600;transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-deep)}
.faq-item summary::after{content:"";width:11px;height:11px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .3s var(--ease);flex:0 0 auto;margin-right:8px}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 0 24px 18px;margin-bottom:8px;border-left:2px solid var(--primary);color:var(--muted);font-size:.94rem;line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:32px;padding:60px 56px;color:var(--on-dark);background-image:linear-gradient(110deg,rgba(12,13,15,.94) 0%,rgba(12,13,15,.86) 55%,rgba(8,122,107,.78) 100%),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;letter-spacing:-.02em;line-height:1.3;max-width:720px}
.cta-band p{margin-top:16px;max-width:640px;color:#C9CDD2;font-size:.98rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-list{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:28px}
.cta-list li{display:inline-flex;align-items:center;gap:9px;font-size:.88rem;color:#D7DBDF}
.cta-list svg{color:var(--primary)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:66px 0 26px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--primary),var(--primary-deep))}
.footer-about{margin-top:16px;color:#A2A7AD;font-size:.9rem;line-height:1.85;max-width:340px}
.footer-col h4{font-size:.82rem;letter-spacing:.1em;color:#8E9399;font-weight:700;margin-bottom:18px}
.footer-list li{margin-bottom:12px}
.footer-list a{color:#DCE0E4;font-size:.9rem}
.footer-list a:hover{color:var(--primary)}
.footer-contact li{color:#A2A7AD;font-size:.88rem;margin-bottom:12px;line-height:1.7}
.footer-bottom{margin-top:46px;padding-top:22px;border-top:1px solid rgba(247,245,240,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#83888E;font-size:.8rem}
.footer-bottom a{color:#A2A7AD}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 24px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;font-size:.92rem;box-shadow:0 14px 32px rgba(255,107,53,.35);transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.float-cta:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 38px rgba(255,107,53,.42)}
.float-cta .float-close{display:none;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.22);color:#fff;place-items:center;font-size:.9rem}
.float-cta.is-hidden{display:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero{padding:52px 0 64px}
  .hero-visual{order:-1}
  .phone-card{width:min(280px,80%)}
  .hero-float{left:0;bottom:10px}
  .nav-toggle{display:inline-flex}
  .nav-links{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:4px;margin-left:0;padding:8px 0 4px}
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 16px;border-radius:14px;font-size:.95rem}
  .search-bar{order:3;flex-basis:100%;max-width:none}
  .rank-item{grid-template-columns:56px 64px 1fr;gap:18px}
  .rank-arrow{display:none}
  .rank-thumb{width:64px;height:64px;border-radius:16px}
  .sec{padding:66px 0}
  .cta-band{padding:48px 32px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .brand{font-size:1rem}
  .hero h1{font-size:clamp(1.9rem,8vw,2.6rem);line-height:1.16}
  .hero-sub{font-size:.96rem}
  .search-bar input[type="search"]{padding-right:98px}
  .search-submit{padding:0 16px;font-size:.82rem}
  .btn{height:48px;padding:0 20px;font-size:.9rem}
  .hero-actions .btn{flex:1 1 100%}
  .card{padding:22px}
  .rank-item{grid-template-columns:44px 1fr;gap:14px;align-items:flex-start}
  .rank-thumb{display:none}
  .sec-head{margin-bottom:30px}
  .cta-band{padding:38px 22px;border-radius:26px}
  .cta-actions .btn{flex:1 1 100%}
  .float-cta{left:0;right:0;bottom:0;height:66px;border-radius:0;justify-content:space-between;padding:0 18px;box-shadow:0 -8px 24px rgba(255,107,53,.28)}
  .float-cta .float-close{display:grid}
  .site-footer{padding-bottom:96px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#111315;
  --muted:#6B6F76;
  --primary:#0E9F8A;
  --primary-deep:#087A6B;
  --accent:#FF6B35;
  --accent-soft:#FFE4D8;
  --line:#E6E1D6;
  --dark:#0C0D0F;
  --on-dark:#F7F5F0;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(17,19,21,.08);
  --shadow-sm:0 4px 14px rgba(17,19,21,.06);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-deep);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--primary)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(14,159,138,.4);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--font);color:var(--ink);margin:0;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.grid-x{display:flex;flex-flow:row wrap}
.cards-grid{margin-left:-14px;margin-right:-14px}
.cards-grid>.cell{padding-left:14px;padding-right:14px;margin-bottom:28px}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,243,236,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(17,19,21,.06)}
.nav-inner{padding-top:14px;padding-bottom:12px}
.nav-top{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-weight:800;font-size:1.15rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,159,138,.28);
}
.brand-text{font-weight:800;font-size:1.12rem;color:var(--ink);letter-spacing:-.02em}
.search-bar{
  position:relative;
  flex:1 1 380px;
  max-width:620px;
  display:flex;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 6px 5px 14px;
  box-shadow:var(--shadow-sm);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,159,138,.14)}
.search-icon{display:flex;align-items:center;color:var(--muted);margin-right:8px}
.search-bar input[type="search"]{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:.95rem;color:var(--ink);padding:9px 6px;min-width:60px;
}
.search-bar input::placeholder{color:#9AA0A6}
.search-submit{
  border:0;border-radius:999px;padding:10px 20px;
  background:var(--primary);color:#fff;font-weight:700;font-size:.9rem;
  cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.search-submit:hover{background:var(--primary-deep)}
.search-submit:active{transform:translateY(1px)}
.search-hint{
  position:absolute;left:18px;top:calc(100% + 8px);
  background:var(--dark);color:var(--on-dark);
  font-size:.78rem;padding:7px 12px;border-radius:10px;
  opacity:0;visibility:hidden;transition:opacity .2s ease;
  white-space:nowrap;z-index:20;
}
.search-hint.is-show{opacity:1;visibility:visible}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:.94rem;font-weight:600;
  color:var(--ink);transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:#EDE8DC;color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:var(--on-dark)}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--surface);
  border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;
  color:var(--ink);cursor:pointer;margin-left:auto;
}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:4px}
.nav-toggle .bars i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-cats{
  display:flex;gap:10px;margin-top:12px;padding-bottom:2px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-chip{
  flex:0 0 auto;
  padding:7px 15px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  font-size:.84rem;color:var(--muted);font-weight:500;
  transition:all .2s ease;white-space:nowrap;
}
.cat-chip:hover{border-color:var(--primary);color:var(--primary-deep);background:#fff}

/* ============ hero ============ */
.page-hero{
  position:relative;
  margin-top:28px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  color:var(--on-dark);
  background:var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,13,15,.94) 0%,rgba(12,13,15,.82) 46%,rgba(12,13,15,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 56px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.08em;font-weight:700;
  color:#8FF0DF;text-transform:uppercase;
}
.hero-kicker::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.page-hero h1{
  color:var(--on-dark);
  font-size:clamp(1.9rem,4vw,3.1rem);
  line-height:1.16;
  font-weight:800;
  margin:16px 0 16px;
  max-width:20em;
}
.page-hero .hero-sub{
  color:rgba(247,245,240,.78);
  font-size:1.02rem;
  line-height:1.85;
  max-width:44em;
}
.hero-search{
  display:flex;gap:10px;margin-top:28px;max-width:620px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:6px 6px 6px 18px;
  transition:border-color .22s ease,background .22s ease;
}
.hero-search:focus-within{border-color:var(--primary);background:rgba(255,255,255,.16)}
.hero-search input{
  flex:1;border:0;background:transparent;outline:none;
  color:var(--on-dark);font-size:.98rem;padding:10px 4px;
}
.hero-search input::placeholder{color:rgba(247,245,240,.55)}
.hero-search button{
  border:0;border-radius:999px;background:var(--accent);color:#fff;
  font-weight:700;font-size:.92rem;padding:11px 24px;cursor:pointer;
  transition:filter .2s ease,transform .2s ease;
}
.hero-search button:hover{filter:brightness(1.06)}
.hero-search button:active{transform:translateY(1px)}
.hero-actions{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;padding:12px 26px;
  font-size:.94rem;font-weight:700;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.3)}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(247,245,240,.38)}
.btn-ghost:hover{border-color:var(--on-dark);color:#fff;transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--on-dark)}
.btn-ink:hover{background:#22262a;color:#fff;transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.3)}
.btn-accent:hover{filter:brightness(1.05);color:#fff;transform:translateY(-2px)}

.tag-filter{
  display:flex;gap:10px;margin-top:30px;overflow-x:auto;padding-bottom:4px;
  scrollbar-width:none;
}
.tag-filter::-webkit-scrollbar{display:none}
.tag-btn{
  flex:0 0 auto;border:1px solid rgba(247,245,240,.28);
  background:rgba(255,255,255,.06);color:rgba(247,245,240,.85);
  border-radius:999px;padding:8px 18px;font-size:.84rem;font-weight:600;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.tag-btn:hover{border-color:var(--primary);color:#fff}
.tag-btn.is-on{background:var(--primary);border-color:var(--primary);color:#fff}

/* ============ sections ============ */
.section{padding:72px 0 8px}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
  display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.1em;
  color:var(--primary-deep);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.24;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1rem;line-height:1.85}

.point-grid{display:flex;flex-wrap:wrap;margin:0 -14px}
.point-grid>.cell{padding:0 14px;margin-bottom:26px}
.point-card{
  height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:28px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s ease;
}
.point-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.point-num{
  font-size:1.4rem;font-weight:800;color:var(--primary);
  letter-spacing:-.03em;display:block;margin-bottom:14px;
}
.point-card h3{font-size:1.08rem;font-weight:700;margin-bottom:10px}
.point-card p{color:var(--muted);font-size:.94rem;line-height:1.8}

.card{
  height:100%;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:#E9E4D9}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.card:hover .card-media img{transform:scale(1.04)}
.card-badge{
  position:absolute;left:14px;top:14px;
  background:rgba(12,13,15,.78);color:#fff;
  font-size:.72rem;font-weight:700;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;
}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.06rem;font-weight:700;line-height:1.5;margin-bottom:10px}
.card-body p{color:var(--muted);font-size:.92rem;line-height:1.78;flex:1}
.card-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.8rem;color:var(--muted);
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.card-link{
  margin-top:16px;font-weight:700;font-size:.9rem;color:var(--primary-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.card:hover .card-link{color:var(--primary)}

/* steps */
.steps-wrap{display:flex;flex-wrap:wrap;margin:0 -12px}
.steps-wrap>.cell{padding:0 12px;margin-bottom:24px}
.step{
  position:relative;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:30px 24px 26px;
}
.step::before{
  content:attr(data-step);
  position:absolute;top:-16px;left:24px;
  background:var(--ink);color:var(--on-dark);
  font-size:.78rem;font-weight:800;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
}
.step h3{font-size:1.02rem;font-weight:700;margin:12px 0 10px}
.step p{color:var(--muted);font-size:.92rem;line-height:1.8}

/* compare list */
.compare-band{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-wrap:wrap;
}
.compare-col{flex:1 1 320px;padding:34px 32px}
.compare-col+.compare-col{border-top:1px solid var(--line)}
.compare-col h3{font-size:1.06rem;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col h3 i{color:var(--primary);font-size:1rem}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:.94rem;color:#3A3E44;line-height:1.75;
}
.check-list li:last-child{border-bottom:0}
.check-list li .tick{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:rgba(14,159,138,.14);color:var(--primary-deep);
  font-size:.7rem;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin-top:5px;
}
.warn-list li .tick{background:var(--accent-soft);color:#C6410F}

/* quotes */
.quote-row{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory}
.quote-row::-webkit-scrollbar{height:6px}
.quote-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.quote-card{
  flex:0 0 auto;width:300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px;
  box-shadow:var(--shadow-sm);
}
.quote-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.95rem;
}
.quote-name{font-weight:700;font-size:.92rem}
.stars{color:var(--accent);font-size:.78rem;letter-spacing:.1em}
.quote-card p{color:var(--muted);font-size:.9rem;line-height:1.78}
.quote-src{margin-top:14px;font-size:.76rem;color:#9AA0A6}

/* faq */
.faq-wrap{max-width:900px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;cursor:pointer;list-style:none;
  font-size:1rem;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:1.35rem;font-weight:400;
  color:var(--primary);transition:transform .26s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--primary-deep)}
.faq-answer{
  padding:0 4px 24px;color:var(--muted);font-size:.95rem;line-height:1.85;
  border-top:1px solid rgba(14,159,138,.35);
  margin-top:-1px;padding-top:16px;
}

/* cta band */
.cta-band{
  margin:72px 0 0;border-radius:var(--radius-lg);
  background:var(--dark) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  position:relative;overflow:hidden;color:var(--on-dark);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(12,13,15,.95),rgba(12,13,15,.7));
}
.cta-inner{position:relative;z-index:2;padding:58px 48px;display:flex;gap:32px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);color:var(--on-dark);font-weight:800;line-height:1.3;margin-bottom:10px}
.cta-inner p{color:rgba(247,245,240,.75);font-size:.96rem;max-width:52em}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap}

/* related categories */
.rel-card{
  display:flex;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(14,159,138,.4)}
.rel-card img{width:96px;height:96px;border-radius:var(--radius-sm);object-fit:cover;flex:0 0 auto}
.rel-card h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--ink)}
.rel-card p{font-size:.88rem;color:var(--muted);line-height:1.75}
.rel-card .rel-arrow{margin-left:auto;color:var(--primary);font-size:1rem}

/* floating cta */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:#fff;font-weight:700;font-size:.9rem;
  padding:13px 24px;border-radius:999px;
  box-shadow:0 14px 32px rgba(255,107,53,.36);
  transition:transform .22s ease,filter .22s ease;
}
.float-cta:hover{color:#fff;transform:translateY(-3px);filter:brightness(1.05)}

/* footer */
.site-footer{background:var(--dark);color:var(--on-dark);margin-top:80px;padding:64px 0 28px}
.site-footer .cards-grid>.cell{margin-bottom:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--on-dark);font-weight:800;font-size:1.05rem;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-about{color:rgba(247,245,240,.62);font-size:.88rem;line-height:1.85;max-width:34em}
.footer-col h4{color:var(--on-dark);font-size:.92rem;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-list li,.footer-contact li{margin-bottom:11px;font-size:.87rem;color:rgba(247,245,240,.62);line-height:1.7}
.footer-list a{color:rgba(247,245,240,.62)}
.footer-list a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(247,245,240,.14);
  padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.78rem;color:rgba(247,245,240,.5);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.2,.8,.2,1),transform .32s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

@media (min-width:900px){
  .compare-col+.compare-col{border-top:0;border-left:1px solid var(--line)}
}

@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;width:100%;margin:14px 0 0;flex-direction:column;align-items:stretch;gap:8px;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 16px;background:var(--surface);border:1px solid var(--line)}
  .nav-link.is-active{border-color:var(--ink)}
  .search-bar{order:3;flex:1 1 100%;max-width:none}
  .nav-top{gap:14px}
  .hero-inner{padding:48px 34px}
  .section{padding:58px 0 4px}
}

@media (max-width:767px){
  .container{padding:0 18px}
  .page-hero{margin-top:18px;border-radius:24px}
  .hero-inner{padding:38px 24px}
  .hero-search{flex-wrap:wrap;border-radius:22px;padding:12px}
  .hero-search input{width:100%;padding:8px 6px}
  .hero-search button{width:100%;padding:12px}
  .cta-inner{padding:42px 26px}
  .float-cta{right:16px;bottom:16px;padding:12px 20px;font-size:.85rem}
  .rel-card{flex-direction:column;align-items:flex-start}
  .rel-card img{width:100%;height:160px}
  .footer-bottom{flex-direction:column}
}

@media (max-width:520px){
  .page-hero h1{font-size:1.7rem;line-height:1.28}
  .section{padding:46px 0 0}
  .point-card,.card-body{padding:20px}
  .quote-card{width:262px}
}

/* roulang page: article */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#111315;
  --muted:#6B6F76;
  --primary:#0E9F8A;
  --primary-deep:#087A6B;
  --primary-soft:#E4F5F1;
  --accent:#FF6B35;
  --accent-soft:#FFE4D8;
  --line:#E6E1D6;
  --dark:#0C0D0F;
  --on-dark:#F7F5F0;
  --radius-xl:32px;
  --radius-lg:26px;
  --radius:20px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(17,19,21,.08);
  --shadow-lg:0 20px 50px rgba(17,19,21,.14);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,159,138,.4);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,243,236,.97);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 22px rgba(17,19,21,.07)}
.nav-inner{padding-top:14px;padding-bottom:12px}
.nav-top{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.02rem;letter-spacing:-.03em;white-space:nowrap;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 14px rgba(14,159,138,.28);
}
.brand-text{color:var(--ink)}

.search-bar{
  position:relative;flex:1 1 auto;max-width:600px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:4px 4px 4px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,159,138,.15)}
.search-icon{color:var(--muted);display:flex;flex:0 0 auto}
.search-bar input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;height:44px;font-size:.95rem}
.search-bar input::placeholder{color:#9BA1A8}
.search-submit{
  flex:0 0 auto;border:0;border-radius:999px;background:var(--primary);color:#fff;
  padding:0 20px;height:42px;font-weight:700;font-size:.9rem;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-submit:hover{background:var(--primary-deep)}
.search-submit:active{transform:scale(.97)}
.search-hint{
  position:absolute;left:6px;top:calc(100% + 10px);margin:0;z-index:9;
  font-size:.78rem;color:#C0451C;background:#fff;border:1px solid var(--accent-soft);
  border-radius:12px;padding:7px 14px;box-shadow:var(--shadow);display:none;
}
.search-hint.is-visible{display:block}

.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.9rem;font-weight:600;color:#3B4046;
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:#fff;color:var(--primary-deep)}
.nav-link.is-active{background:var(--ink);color:#fff}

.nav-toggle{
  display:none;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:9px 16px;font-weight:700;font-size:.86rem;cursor:pointer;
}
.bars{display:inline-flex;flex-direction:column;gap:3px}
.bars i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}

.nav-cats{display:flex;gap:8px;overflow-x:auto;margin-top:12px;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.cat-chip{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:.82rem;font-weight:600;color:#4C5158;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.cat-chip:hover{border-color:var(--primary);color:var(--primary-deep);background:#F1FAF8}

/* ---------- article hero ---------- */
.article-hero{position:relative;background:var(--dark);color:var(--on-dark);padding:46px 0 108px;border-radius:0 0 44px 44px;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.32}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,13,15,.95) 12%,rgba(12,13,15,.72) 62%,rgba(8,122,107,.55))}
.article-hero .container{position:relative;z-index:2}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:rgba(247,245,240,.62);margin-bottom:24px}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.crumb-sep{color:rgba(247,245,240,.35)}
.crumb-current{color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:.76rem;font-weight:700;letter-spacing:.06em;
}
.badge-accent{background:var(--accent);color:#fff}
.badge-outline{border:1px solid rgba(247,245,240,.3);color:rgba(247,245,240,.82)}

.article-hero h1{
  font-size:clamp(1.85rem,4vw,3.1rem);font-weight:800;line-height:1.15;letter-spacing:-.035em;
  max-width:900px;color:#fff;
}
.hero-lead{
  margin-top:20px;max-width:800px;font-size:1rem;line-height:1.85;
  color:rgba(247,245,240,.78);
}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;font-size:.83rem;color:rgba(247,245,240,.68)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(247,245,240,.4)}

/* ---------- cover ---------- */
.cover-wrap{margin-top:-72px;position:relative;z-index:3}
.cover-frame{
  border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);
  background:#fff;border:1px solid var(--line);
}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- article layout ---------- */
.article-main{padding:56px 0 20px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:40px;align-items:start}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:clamp(24px,4vw,48px);box-shadow:var(--shadow);
}

.prose{font-size:1.0625rem;line-height:1.85;color:#25292E;word-break:break-word}
.prose p{margin:0 0 1.25em}
.prose h2{
  font-size:clamp(1.32rem,2.4vw,1.72rem);font-weight:800;letter-spacing:-.03em;
  margin:2em 0 .75em;padding-left:15px;border-left:5px solid var(--primary);line-height:1.4;
}
.prose h3{font-size:1.14rem;font-weight:700;margin:1.7em 0 .6em;color:var(--ink)}
.prose h4{font-size:1.02rem;font-weight:700;margin:1.4em 0 .5em}
.prose img{border-radius:18px;margin:1.6em auto;box-shadow:var(--shadow)}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:10px}
.prose blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--accent-soft);
  border-left:5px solid var(--accent);border-radius:0 18px 18px 0;color:#6A3B22;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.35em}
.prose ul li{list-style:disc;margin:.5em 0}
.prose ol li{list-style:decimal;margin:.5em 0}
.prose a{color:var(--primary-deep);border-bottom:1px solid rgba(14,159,138,.35);transition:border-color .2s ease}
.prose a:hover{border-bottom-color:var(--primary-deep)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.prose th{background:#F2EFE7;font-weight:700}
.prose code{background:#F2EFE7;border-radius:6px;padding:2px 6px;font-size:.92em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--radius);
  background:#FBF9F4;
}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--primary-soft);color:var(--primary-deep);
  display:grid;place-items:center;margin:0 auto 18px;font-size:1.5rem;font-weight:800;
}
.empty-state h2{font-size:1.3rem;font-weight:800;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:.95rem;max-width:460px;margin:0 auto 22px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.side-title{font-size:.78rem;font-weight:800;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:4px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:#3B4046;
  transition:background .2s ease,color .2s ease;
}
.side-list a:hover{background:#F1FAF8;color:var(--primary-deep)}
.side-list a::after{content:"→";color:var(--primary);font-weight:700}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tag{padding:6px 12px;border-radius:999px;background:#F4F1E9;border:1px solid var(--line);font-size:.79rem;color:#52575E;font-weight:600}
.side-cta{background:var(--dark);color:var(--on-dark);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.side-cta h3{font-size:1.05rem;font-weight:800;margin-bottom:10px;color:#fff}
.side-cta p{font-size:.86rem;color:rgba(247,245,240,.72);margin-bottom:18px;line-height:1.7}
.side-cta .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:.94rem;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(14,159,138,.26)}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px rgba(255,107,53,.3)}
.btn-accent:hover{background:#E85A26;transform:translateY(-2px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(247,245,240,.35);color:#fff}
.btn-outline-light:hover{background:rgba(247,245,240,.12);border-color:rgba(247,245,240,.6)}
.btn:active{transform:translateY(0) scale(.98)}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section-head{margin-bottom:34px;max-width:720px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:800;
  letter-spacing:.12em;color:var(--primary-deep);margin-bottom:12px;text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px}
.section-title{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:800;letter-spacing:-.035em}
.section-desc{margin-top:12px;color:var(--muted);font-size:.98rem;line-height:1.8}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.post-thumb{overflow:hidden;background:#EFEBE0}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.post-tag{
  align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:.08em;
  color:var(--primary-deep);background:var(--primary-soft);border-radius:999px;padding:5px 12px;
}
.post-card h3{font-size:1.08rem;font-weight:700;line-height:1.45}
.post-card p{font-size:.9rem;color:var(--muted);line-height:1.75;flex:1 1 auto}
.post-more{font-size:.86rem;font-weight:700;color:var(--primary-deep);display:inline-flex;align-items:center;gap:6px}
.post-card:hover .post-more{gap:10px}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:1rem;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary-deep)}
.faq-plus{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:#F1EEE6;transition:transform .3s cubic-bezier(.2,.8,.2,1),background .3s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-plus::before{width:12px;height:2px}
.faq-plus::after{width:2px;height:12px}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--primary-soft)}
.faq-item[open] .faq-plus::before,.faq-item[open] .faq-plus::after{background:var(--primary-deep)}
.faq-body{padding:0 4px 24px;font-size:.95rem;color:#4A4F56;line-height:1.85;max-width:760px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:var(--on-dark);
  border-radius:var(--radius-xl);padding:clamp(32px,5vw,60px);
}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.24}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,13,15,.95),rgba(8,122,107,.6))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;color:#fff;letter-spacing:-.03em}
.cta-inner p{margin-top:14px;color:rgba(247,245,240,.76);font-size:.98rem;line-height:1.8;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding:64px 0 28px;margin-top:72px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:#fff;margin-bottom:16px}
.footer-about{font-size:.88rem;color:rgba(247,245,240,.66);line-height:1.85;max-width:320px}
.footer-col h4{font-size:.78rem;font-weight:800;letter-spacing:.12em;color:rgba(247,245,240,.55);margin-bottom:16px}
.footer-list{display:flex;flex-direction:column;gap:11px}
.footer-list a{font-size:.89rem;color:rgba(247,245,240,.82);transition:color .2s ease}
.footer-list a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:.86rem;color:rgba(247,245,240,.66);line-height:1.75}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.79rem;color:rgba(247,245,240,.5);
}
.cards-grid{margin-left:-14px;margin-right:-14px}
.cards-grid > .cell{padding-left:14px;padding-right:14px;margin-bottom:32px}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:999px;background:var(--accent);color:#fff;
  font-weight:800;font-size:.92rem;box-shadow:0 16px 34px rgba(255,107,53,.34);
  transition:transform .22s ease,box-shadow .22s ease;
}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 20px 40px rgba(255,107,53,.42)}
.mobile-cta-bar{display:none}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.2,.8,.2,1),transform .32s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:28px}
}
@media (max-width:1023px){
  .nav-top{flex-wrap:wrap;row-gap:0}
  .brand{order:1}
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .search-bar{order:3;flex:1 1 100%;max-width:none;margin-top:12px}
  .nav-links{
    order:4;flex-direction:column;align-items:stretch;width:100%;
    gap:6px;padding:12px 0 4px;display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{background:#fff;border:1px solid var(--line);padding:13px 16px;border-radius:var(--radius-sm)}
  .nav-link.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
  .nav-cats{margin-top:10px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;order:2}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr)}
  .cta-actions{justify-content:flex-start}
  .article-hero{border-radius:0 0 32px 32px;padding-bottom:96px}
  .cover-wrap{margin-top:-64px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .article-card{border-radius:var(--radius-lg);padding:22px 20px}
  .article-hero{padding:32px 0 88px}
  .hero-lead{font-size:.94rem}
  .cover-wrap{margin-top:-56px}
  .cover-frame{border-radius:var(--radius-lg)}
  .faq-item summary{font-size:.95rem;padding:18px 2px}
}
@media (max-width:639px){
  .float-cta{display:none}
  .mobile-cta-bar{
    display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:75;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(246,243,236,.98);border-top:1px solid var(--line);
    box-shadow:0 -8px 24px rgba(17,19,21,.09);
  }
  .mobile-cta-bar .btn{flex:1 1 0;padding:13px 12px;font-size:.88rem}
  body{padding-bottom:78px}
  .site-footer{padding-bottom:96px}
  .footer-bottom{flex-direction:column;gap:6px}
  .article-hero h1{font-size:1.6rem}
  .search-submit{padding:0 14px;font-size:.84rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#111315;
  --muted:#6B6F76;
  --primary:#0E9F8A;
  --primary-deep:#087A6B;
  --primary-soft:#E6F5F2;
  --accent:#FF6B35;
  --accent-soft:#FFE4D8;
  --line:#E6E1D6;
  --dark:#0C0D0F;
  --on-dark:#F7F5F0;
  --radius:24px;
  --radius-sm:16px;
  --shadow:0 10px 30px rgba(17,19,21,.08);
  --shadow-hover:0 18px 40px rgba(17,19,21,.14);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.2;font-weight:800;letter-spacing:-.02em}
:focus-visible{outline:3px solid rgba(14,159,138,.5);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 22px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#F6F3EC;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(17,19,21,.07)}
.nav-inner{padding-top:12px;padding-bottom:10px}
.nav-top{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  background:var(--ink);color:#fff;font-size:1.05rem;font-weight:800;line-height:1;
}
.brand-text{font-size:1.06rem}
.search-bar{
  position:relative;display:flex;align-items:center;gap:8px;
  flex:1 1 300px;max-width:600px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:5px 5px 5px 15px;transition:border-color .2s,box-shadow .2s;
}
.search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,159,138,.15)}
.search-icon{display:flex;color:var(--muted);flex:0 0 auto}
.search-bar input[type="search"]{
  flex:1 1 auto;min-width:0;height:40px;margin:0;border:0;box-shadow:none;
  background:transparent;font-size:.95rem;color:var(--ink);
}
.search-bar input[type="search"]::placeholder{color:#9AA0A6}
.search-submit{
  flex:0 0 auto;height:40px;padding:0 20px;border:0;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:600;font-size:.92rem;cursor:pointer;
  transition:background .2s,transform .2s;
}
.search-submit:hover{background:var(--primary-deep)}
.search-hint{
  position:absolute;left:18px;top:calc(100% + 7px);margin:0;
  font-size:.78rem;color:#C0392B;display:none;
}
.search-hint.is-visible{display:block}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;color:#3B3F45;
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:#EBE6DB;color:var(--ink)}
.nav-link.is-active{background:var(--ink);color:#fff}
.nav-toggle{
  display:none;align-items:center;gap:8px;margin-left:auto;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:.9rem;color:var(--ink);cursor:pointer;
}
.nav-toggle .bars{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle .bars i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.nav-cats{
  display:flex;gap:8px;overflow-x:auto;padding:10px 0 6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.cat-chip{
  flex:0 0 auto;border:1px solid var(--line);background:var(--surface);
  border-radius:999px;padding:7px 15px;font-size:.82rem;color:#4A4E55;
  white-space:nowrap;transition:border-color .2s,color .2s,background .2s;
}
.cat-chip:hover{border-color:var(--primary);color:var(--primary-deep);background:var(--primary-soft)}

/* ============ 顶部横条 ============ */
.page-strip{
  position:relative;
  background:
    linear-gradient(180deg,rgba(12,13,15,.86),rgba(12,13,15,.9)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:var(--on-dark);
  padding:62px 0 54px;
}
.strip-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:34px;flex-wrap:wrap}
.strip-text{flex:1 1 380px;max-width:640px}
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.1em;
  color:var(--on-dark);background:rgba(14,159,138,.28);
  border:1px solid rgba(14,159,138,.55);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;font-weight:600;
}
.page-strip h1{font-size:clamp(2rem,4.4vw,3.15rem);line-height:1.08;letter-spacing:-.035em;margin-bottom:16px}
.strip-sub{color:rgba(247,245,240,.78);font-size:1.02rem;max-width:560px;margin:0}
.strip-search{
  flex:1 1 340px;max-width:460px;
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border-radius:999px;padding:6px 6px 6px 18px;
  position:relative;box-shadow:0 14px 34px rgba(0,0,0,.28);
}
.strip-search input[type="search"]{
  flex:1 1 auto;min-width:0;height:44px;margin:0;border:0;box-shadow:none;
  background:transparent;font-size:.95rem;
}
.strip-search .search-submit{height:44px;background:var(--accent)}
.strip-search .search-submit:hover{background:#E85B27}

/* ============ 杂志式双栏 ============ */
.magazine{padding:58px 0 20px}
.mag-grid{display:grid;grid-template-columns:330px minmax(0,1fr);gap:34px;align-items:start}
.mag-grid > *{width:auto !important}
.aside-inner{position:sticky;top:112px;display:grid;gap:18px}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.panel h3{font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.panel h3::before{content:"";width:6px;height:18px;border-radius:3px;background:var(--primary)}
.toc-list li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:.9rem;color:#41454C;transition:color .2s,padding-left .2s;
}
.toc-list li:last-child a{border-bottom:0}
.toc-list li a:hover{color:var(--primary-deep);padding-left:4px}
.toc-list li a span{color:#AFB4BA;font-size:.8rem}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:.78rem;padding:5px 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-deep);font-weight:500;
}
.panel-cta{background:var(--dark);border-color:var(--dark);color:var(--on-dark)}
.panel-cta h3{color:var(--on-dark)}
.panel-cta h3::before{background:var(--accent)}
.panel-cta p{color:rgba(247,245,240,.72);font-size:.9rem;margin-bottom:16px}
.panel-cta .btn{width:100%;justify-content:center;margin-bottom:10px}
.panel-cta .btn:last-child{margin-bottom:0}
.link-list li a{
  display:flex;align-items:center;gap:8px;padding:9px 0;font-size:.9rem;color:#41454C;
  transition:color .2s;
}
.link-list li a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex:0 0 auto}
.link-list li a:hover{color:var(--primary-deep)}

.mag-main{min-width:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:0}
.section-head p{color:var(--muted);font-size:.94rem;margin:6px 0 0;max-width:560px}
.filter-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:14px;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.filter-btn{
  flex:0 0 auto;border:1px solid var(--line);background:var(--surface);
  border-radius:999px;padding:8px 16px;font-size:.83rem;color:#4A4E55;cursor:pointer;
  transition:.2s;
}
.filter-btn:hover{border-color:var(--primary);color:var(--primary-deep)}
.filter-btn.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* 时间线长列表 */
.timeline{display:grid;gap:14px}
.tl-item{
  display:grid;grid-template-columns:62px minmax(0,1fr) 140px;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:20px 22px;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s;
}
.tl-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.tl-index{font-size:1.6rem;font-weight:800;color:var(--primary);letter-spacing:-.04em;line-height:1}
.tl-body h3{font-size:1.08rem;margin-bottom:8px}
.tl-body p{color:var(--muted);font-size:.93rem;margin-bottom:10px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap}
.tl-tags span{font-size:.75rem;color:#6B6F76;border:1px solid var(--line);border-radius:999px;padding:3px 11px}
.tl-thumb{position:relative;overflow:hidden;border-radius:14px}
.tl-thumb img{width:100%;height:92px;object-fit:cover;transition:transform .35s ease}
.tl-item:hover .tl-thumb img{transform:scale(1.05)}

/* ============ 深色核对区 ============ */
.dark-section{
  margin-top:64px;padding:66px 0;color:var(--on-dark);
  background:
    linear-gradient(180deg,rgba(12,13,15,.94),rgba(12,13,15,.97)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.dark-section h2{font-size:clamp(1.5rem,2.8vw,2.15rem);color:var(--on-dark)}
.dark-section .lead{color:rgba(247,245,240,.74);max-width:620px;margin-bottom:34px}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 34px}
.check-item{display:flex;gap:16px;padding:18px 0;border-top:1px solid rgba(247,245,240,.14)}
.check-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(14,159,138,.18);border:1px solid rgba(14,159,138,.5);
  color:#5FD6C3;font-weight:700;font-size:.9rem;
}
.check-item h3{font-size:1.02rem;color:var(--on-dark);margin-bottom:6px}
.check-item p{color:rgba(247,245,240,.7);font-size:.9rem;margin:0}

/* ============ 使用场景 ============ */
.scene-section{padding:66px 0 8px}
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .28s cubic-bezier(.2,.8,.2,1),box-shadow .28s;
}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.scene-card .thumb{overflow:hidden}
.scene-card img{width:100%;height:186px;object-fit:cover;transition:transform .4s ease}
.scene-card:hover img{transform:scale(1.04)}
.scene-body{padding:22px}
.scene-body h3{font-size:1.1rem;margin-bottom:10px}
.scene-body p{color:var(--muted);font-size:.92rem;margin-bottom:14px}
.scene-body .tag{background:var(--accent-soft);color:#B8431E}

/* ============ 反馈摘录 ============ */
.voices{padding:66px 0 10px}
.voice-scroll{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.voice-scroll::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 auto;width:306px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;
}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-deep);font-weight:700;font-size:.95rem;
}
.voice-name{font-weight:600;font-size:.95rem}
.voice-meta{font-size:.76rem;color:#9AA0A6}
.stars{color:var(--accent);font-size:.85rem;letter-spacing:.1em;margin-bottom:8px}
.voice-card p{font-size:.9rem;color:#4A4E55;margin:0}

/* ============ FAQ ============ */
.faq-section{padding:66px 0 10px}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:22px 4px;text-align:left;cursor:pointer;
  font-size:1rem;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--primary-deep)}
.plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);font-size:1rem;line-height:1;
  transition:transform .3s ease,color .3s ease,border-color .3s ease;
}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--accent);border-color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{
  margin:0 0 22px;padding-left:16px;border-left:2px solid var(--primary);
  color:var(--muted);font-size:.95rem;
}

/* ============ CTA ============ */
.cta-section{padding:66px 0 70px}
.cta-block{
  background:linear-gradient(120deg,#0E9F8A,#087A6B);
  border-radius:32px;padding:54px 46px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  box-shadow:0 24px 54px rgba(8,122,107,.28);
}
.cta-block h2{font-size:clamp(1.5rem,2.8vw,2.1rem);color:#fff;margin-bottom:12px}
.cta-block p{color:rgba(255,255,255,.85);margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:13px 26px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);box-shadow:0 12px 26px rgba(8,122,107,.28)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#E85B27;box-shadow:0 12px 26px rgba(255,107,53,.3)}
.btn-light{background:#fff;color:var(--primary-deep)}
.btn-light:hover{background:#EAFBF7}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-deep)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--on-dark);padding:62px 0 26px;margin-top:20px}
.cards-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.cards-grid > .cell{width:auto !important;flex:none !important;max-width:none !important}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;margin-bottom:14px;color:var(--on-dark)}
.footer-brand .brand-mark{background:var(--primary)}
.footer-about{color:rgba(247,245,240,.66);font-size:.9rem;margin:0}
.footer-col h4{color:var(--on-dark);font-size:.98rem;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{color:rgba(247,245,240,.7);font-size:.9rem;transition:color .2s}
.footer-list a:hover{color:var(--primary)}
.footer-contact li{color:rgba(247,245,240,.7);font-size:.9rem;margin-bottom:10px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(247,245,240,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.82rem;color:rgba(247,245,240,.55);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s cubic-bezier(.2,.8,.2,1),transform .32s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .mag-grid{grid-template-columns:280px minmax(0,1fr);gap:26px}
  .cards-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:var(--surface);padding:14px 22px 18px;
    border-bottom:1px solid var(--line);box-shadow:0 18px 32px rgba(17,19,21,.12);
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-links{margin-left:0}
  .mag-grid{grid-template-columns:minmax(0,1fr)}
  .aside-inner{position:static}
  .scene-grid{grid-template-columns:1fr 1fr}
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-top{gap:12px}
  .search-bar{order:3;flex:1 1 100%;max-width:none;margin-top:4px}
  .brand{flex:1 1 auto}
  .page-strip{padding:46px 0 42px}
  .tl-item{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:18px}
  .tl-thumb{grid-column:1 / -1;order:-1}
  .tl-thumb img{height:150px}
  .scene-grid{grid-template-columns:1fr}
  .cta-block{padding:38px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .cards-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .brand-text{font-size:.98rem}
  .page-strip h1{font-size:1.85rem}
  .voice-card{width:264px}
  .btn{padding:12px 20px;font-size:.9rem}
}