/* roulang page: index */
:root{
  --ink:#0D0C0F;
  --coal:#17161B;
  --coal-2:#1F1E24;
  --sand:#F4F1EC;
  --paper:#FCFBF8;
  --coral:#F2603C;
  --coral-hi:#FF7250;
  --mist:#6FD3C7;
  --gold:#C9A961;
  --t-light:#F2F1EE;
  --t-dim:#B9B6B0;
  --t-dark:#1A191D;
  --t-mid:#6E6A64;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(13,12,15,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-dark:0 18px 40px -24px rgba(0,0,0,.9);
  --sh-light:0 1px 2px rgba(13,12,15,.06),0 12px 28px -20px rgba(13,12,15,.22);
  --sp-section:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --wrap:1240px;
  --font-serif:"Noto Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Inter","Space Grotesk",var(--font-sans);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--t-dark);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--coral)}
button,input{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}
::selection{background:var(--coral);color:#fff}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.on-dark{background:var(--ink);color:var(--t-light)}
.on-sand{background:var(--sand);color:var(--t-dark)}
.on-paper{background:var(--paper);color:var(--t-dark)}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);font-weight:500;margin-bottom:14px;display:block;
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{font-family:var(--font-serif);font-weight:700;font-size:clamp(24px,2.6vw,36px);line-height:1.3;letter-spacing:-.01em}
.sec-sub{font-size:15px;color:var(--t-mid);margin-top:10px;max-width:640px}
.on-dark .sec-sub{color:var(--t-dim)}
.text-link{
  font-size:14px;font-weight:500;color:var(--coral);
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color var(--dur) var(--ease),gap var(--dur) var(--ease);
}
.text-link:hover{border-color:var(--coral);gap:12px;color:var(--coral-hi)}
.btn-coral,.btn-line,.btn-ghost,.btn-paper{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 10px 24px -16px rgba(242,96,60,.9)}
.btn-coral:hover{background:var(--coral-hi);color:#fff;transform:translateY(-1px);box-shadow:0 0 0 2px rgba(242,96,60,.35),0 14px 30px -18px rgba(242,96,60,.9)}
.btn-line{background:transparent;color:var(--t-light);border-color:rgba(255,255,255,.28)}
.btn-line:hover{color:var(--coral);border-color:var(--coral);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--t-dim);border-color:rgba(255,255,255,.16);height:40px;padding:0 16px;font-size:13px}
.btn-ghost:hover{color:var(--t-light);border-color:var(--coral)}
.btn-paper{background:var(--paper);color:var(--t-dark);border-color:var(--line-light)}
.btn-paper:hover{color:var(--coral);border-color:var(--coral);transform:translateY(-1px)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(13,12,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(13,12,15,.94);border-bottom-color:var(--line-dark)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.brand-mark{font-family:var(--font-serif);font-weight:700;font-size:20px;color:var(--t-light);letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--mist);text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--t-dim);padding:6px 0;
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--coral);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--t-light)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t-light)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 10px 0 14px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-btn);min-width:264px;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.cmd-search:focus-within{border-color:var(--coral);background:rgba(255,255,255,.07);box-shadow:0 0 0 3px rgba(242,96,60,.16)}
.cmd-search i{font-size:13px;color:#8E8A84}
.cmd-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--t-light);
  font-size:13px;min-width:0;
}
.cmd-search input::placeholder{color:#8E8A84}
.kbd{
  font-family:var(--font-num);font-size:11px;color:#8E8A84;
  border:1px solid rgba(255,255,255,.14);border-radius:5px;padding:2px 6px;line-height:1.2;
  flex-shrink:0;
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--t-light);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--coral);color:var(--coral)}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:1001;background:rgba(13,12,15,.98);
  display:flex;flex-direction:column;padding:20px 24px 32px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--t-light)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px;overflow-y:auto}
.drawer-nav a{
  font-size:17px;color:var(--t-light);padding:14px 4px;border-bottom:1px solid var(--line-dark);
  display:flex;justify-content:space-between;align-items:center;
}
.drawer-nav a i{font-size:12px;color:var(--mist)}
.drawer-nav a.active{color:var(--coral)}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:84vh;display:flex;align-items:flex-end;
  background:var(--ink);overflow:hidden;
}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to top,rgba(13,12,15,.98) 4%,rgba(13,12,15,.72) 38%,rgba(13,12,15,.28) 70%,rgba(13,12,15,.55) 100%),
    linear-gradient(to right,rgba(13,12,15,.92) 0%,rgba(13,12,15,.55) 42%,rgba(13,12,15,.05) 78%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:128px 0 76px}
.hero-copy{max-width:640px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;color:var(--mist);
  border:1px solid rgba(111,211,199,.34);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:22px;background:rgba(111,211,199,.07);
}
.hero h1{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(34px,5.2vw,68px);line-height:1.1;letter-spacing:-.02em;
  color:#fff;
}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero-sub{
  margin-top:20px;font-size:clamp(15px,1.4vw,17px);line-height:1.8;
  color:#DAD7D1;max-width:520px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;
  font-size:13px;letter-spacing:.04em;color:#A8A49E;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--mist);font-size:12px}
.hero-bars{
  position:absolute;right:32px;bottom:76px;z-index:3;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
.hero-bars span{display:block;width:3px;height:26px;border-radius:2px;background:rgba(255,255,255,.24)}
.hero-bars span.on{background:var(--coral);height:44px}

/* ============ SHELF ============ */
.shelf-section{background:var(--ink);padding:0 0 88px;color:var(--t-light)}
.shelf-wrap{position:relative}
.shelf{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 0 22px;scrollbar-width:thin;
}
.shelf::-webkit-scrollbar{height:6px}
.shelf::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:3px}
.shelf::-webkit-scrollbar-track{background:transparent}
.shelf-item{flex:0 0 216px;scroll-snap-align:start}
.poster{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-dark);background:var(--coal);
  aspect-ratio:3/4;
}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.poster:hover img{transform:scale(1.03)}
.poster:hover{border-color:rgba(242,96,60,.5)}
.poster-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:16px;gap:6px;
  background:linear-gradient(to top,rgba(13,12,15,.94) 0%,rgba(13,12,15,.6) 42%,rgba(13,12,15,0) 78%);
  opacity:0;transition:opacity var(--dur) var(--ease);
}
.poster:hover .poster-mask{opacity:1}
.poster-mask h3{font-size:15px;font-weight:600;color:#fff;line-height:1.4}
.poster-mask p{font-size:12px;color:#B9B6B0;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-badge{
  position:absolute;top:12px;left:12px;font-size:11px;letter-spacing:.06em;
  background:rgba(242,96,60,.9);color:#fff;border-radius:var(--r-pill);padding:3px 10px;
}
.shelf-btn{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:44px;height:44px;border-radius:50%;background:rgba(13,12,15,.72);
  border:1px solid rgba(255,255,255,.24);color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.shelf-btn:hover{background:var(--coral);border-color:var(--coral)}
.shelf-btn.prev{left:-20px}
.shelf-btn.next{right:-20px}

/* ============ HOT GRID ============ */
.hot-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px}
.hot-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line-dark);background:var(--coal);aspect-ratio:16/9;
}
.hot-main img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.hot-main:hover img{transform:scale(1.03)}
.hot-main-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;
  background:linear-gradient(to top,rgba(13,12,15,.95) 0%,rgba(13,12,15,.5) 46%,rgba(13,12,15,0) 80%);
}
.hot-main-mask .badge-cat{margin-bottom:12px}
.hot-main-mask h3{font-family:var(--font-serif);font-size:clamp(20px,2vw,26px);color:#fff;line-height:1.4}
.hot-main-mask p{margin-top:8px;font-size:14px;color:#C2BFB9;line-height:1.7;max-width:520px}
.hot-list{display:flex;flex-direction:column;gap:2px}
.hot-row{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:center;
  padding:16px 4px;border-bottom:1px solid var(--line-dark);
  transition:background var(--dur) var(--ease);
}
.hot-row:first-child{padding-top:4px}
.hot-row:hover{background:rgba(255,255,255,.03)}
.hot-row:hover .hot-title{color:var(--coral)}
.hot-num{
  font-family:var(--font-num);font-size:48px;font-weight:300;line-height:1;
  color:rgba(255,255,255,.18);letter-spacing:-.03em;
}
.hot-row:hover .hot-num{color:var(--mist)}
.hot-title{font-size:17px;font-weight:600;color:var(--t-light);line-height:1.5;transition:color var(--dur) var(--ease)}
.hot-desc{font-size:13px;color:var(--t-dim);margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.badge-cat{
  display:inline-block;font-size:11px;letter-spacing:.06em;
  background:rgba(242,96,60,.14);color:var(--coral);
  border-radius:var(--r-pill);padding:4px 11px;line-height:1.4;
}
.badge-mist{background:rgba(111,211,199,.14);color:var(--mist)}

/* ============ CHIPS + GRID ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-light);background:var(--paper);color:var(--t-mid);
  font-size:13px;display:inline-flex;align-items:center;cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.chip:hover{border-color:var(--coral);color:var(--coral)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.c-card{
  background:var(--paper);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-light);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  display:flex;flex-direction:column;
}
.c-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -28px rgba(13,12,15,.4);border-color:rgba(242,96,60,.4)}
.c-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7E3DB}
.c-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.c-card:hover .c-thumb img{transform:scale(1.03)}
.c-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.c-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--t-dark)}
.c-card:hover .c-title{color:var(--coral)}
.c-desc{
  font-size:14px;line-height:1.75;color:var(--t-mid);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.c-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px}
.c-meta{font-family:var(--font-num);font-size:12px;letter-spacing:.04em;color:#928E88}

/* ============ STATS ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r-card);overflow:hidden}
.stat{background:var(--ink);padding:32px 28px}
.stat b{font-family:var(--font-num);font-size:clamp(28px,3vw,40px);font-weight:400;color:var(--t-light);letter-spacing:-.02em;display:block;line-height:1.2}
.stat b em{font-style:normal;color:var(--coral);font-size:.5em;margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--t-dim);letter-spacing:.04em}

/* ============ CMS LIST ============ */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cms-card{
  background:var(--paper);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--sh-light);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.cms-card:hover{transform:translateY(-4px);border-color:rgba(242,96,60,.4);box-shadow:0 22px 44px -30px rgba(13,12,15,.45)}
.cms-card h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--t-dark);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-card:hover h3{color:var(--coral)}
.cms-card p{
  font-size:14px;line-height:1.75;color:var(--t-mid);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;border-top:1px solid var(--line-light)}
.cms-time{font-family:var(--font-num);font-size:12px;letter-spacing:.04em;color:#928E88}
.cms-empty{
  border:1px dashed rgba(13,12,15,.18);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;background:var(--paper);
}
.cms-empty i{font-size:26px;color:#B4AFA7;display:block;margin-bottom:14px}
.cms-empty p{font-size:15px;color:var(--t-mid);margin-bottom:20px}

/* ============ CTA BAND ============ */
.cta-band{position:relative;background:var(--ink);color:var(--t-light);overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;opacity:.85;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:80px 0;flex-wrap:wrap}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(26px,3.2vw,44px);line-height:1.28;letter-spacing:-.01em;max-width:620px}
.cta-band p{margin-top:16px;color:var(--t-dim);font-size:15px;max-width:560px}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-item:first-child{border-top:1px solid var(--line-light)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16px;font-weight:600;color:var(--t-dark);
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--coral)}
.faq-icon{
  position:relative;flex-shrink:0;width:18px;height:18px;
  transition:transform var(--dur) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--coral);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--t-mid);max-width:720px}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:var(--t-dim);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}
.footer-brand .brand-mark{font-size:22px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t-dim);max-width:300px}
.footer-col h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--t-light);margin-bottom:18px;font-weight:500}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t-dim)}
.footer-col a:hover{color:var(--coral)}
.footer-contact li{font-size:14px;line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8E8A84;
}
.footer-bottom .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--gold);margin:0 10px;vertical-align:middle}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .wrap{padding:0 24px}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .hot-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:991px){
  :root{--sp-section:72px}
  .main-nav{display:none}
  .cmd-search{display:none}
  .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:60px;gap:16px}
  .brand-mark{font-size:18px}
  .hero{min-height:68vh}
  .hero-inner{padding:96px 0 56px}
  .hero-bars{right:24px;bottom:48px}
  .shelf-btn{display:none}
  .shelf-wrap::before,.shelf-wrap::after{
    content:"";position:absolute;top:0;bottom:22px;width:48px;pointer-events:none;z-index:3;
  }
  .shelf-wrap::before{left:0;background:linear-gradient(to right,var(--ink),transparent)}
  .shelf-wrap::after{right:0;background:linear-gradient(to left,var(--ink),transparent)}
  .stats{grid-template-columns:1fr 1fr}
  .cta-inner{padding:64px 0}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .cms-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-meta{gap:8px 18px;font-size:12px}
  .hot-num{font-size:36px}
  .hot-row{grid-template-columns:44px 1fr;gap:12px}
  .stat{padding:24px 20px}
  .shelf-item{flex:0 0 168px}
}
@media (max-width:575px){
  :root{--sp-section:56px}
  .wrap{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero{min-height:76vh}
  .hero-cta .btn-coral,.hero-cta .btn-line{flex:1 1 100%}
  .hero-bars{display:none}
  .sec-head{margin-bottom:24px}
  .cms-card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
  .c-card:hover,.cms-card:hover,.btn-coral:hover,.btn-line:hover,.btn-paper:hover{transform:none}
  .poster:hover img,.c-card:hover .c-thumb img,.hot-main:hover img{transform:none}
}

/* roulang page: article */
:root{
  --ink:#0D0C0F;
  --char:#17161B;
  --sand:#F4F1EC;
  --paper:#FCFBF8;
  --coral:#F2603C;
  --coral-soft:rgba(242,96,60,.12);
  --coral-deep:#C63F1E;
  --mist:#6FD3C7;
  --text-dark:#1A191D;
  --text-muted:#6E6A64;
  --text-light:#F2F1EE;
  --text-light-muted:#B9B6B0;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(13,12,15,.10);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-light:0 1px 2px rgba(13,12,15,.06),0 12px 28px -20px rgba(13,12,15,.22);
  --shadow-dark:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-num:"Space Grotesk",Inter,"Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text-dark);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
a:hover{color:var(--coral)}
ul,ol{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.wrap{padding:0 18px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(13,12,15,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(13,12,15,.98);border-bottom-color:var(--line-dark)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:inline-flex;align-items:baseline;gap:9px;flex-shrink:0}
.brand-mark{font-family:var(--font-serif);font-weight:700;font-size:20px;color:#fff;letter-spacing:.02em;line-height:1}
.brand-sub{font-family:var(--font-num);font-size:10px;letter-spacing:.3em;color:var(--mist);text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:28px;margin-right:auto}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--text-light-muted);padding:8px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--coral);transition:width var(--dur) var(--ease)}
.nav-link:hover,.nav-link.active{color:#fff}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.command-search{
  display:flex;align-items:center;gap:9px;height:40px;padding:0 12px;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);min-width:236px;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.command-search:hover{border-color:rgba(255,255,255,.26)}
.command-search i{font-size:12px;color:#8E8A84}
.command-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text-light);font-size:13px;min-width:0}
.command-search input::placeholder{color:#8E8A84}
.kbd{
  font-family:var(--font-num);font-size:11px;color:#8E8A84;letter-spacing:.04em;
  border:1px solid rgba(255,255,255,.16);border-radius:5px;padding:1px 6px;line-height:1.5;
}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--radius-btn);
  background:var(--coral);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--coral);white-space:nowrap;
  transition:background-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary:hover{background:#FF7350;border-color:#FF7350;color:#fff;transform:translateY(-1px);box-shadow:0 0 0 2px rgba(242,96,60,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);color:var(--text-light);font-size:14px;font-weight:500;white-space:nowrap;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;
  border-radius:var(--radius-btn);border:1px solid rgba(13,12,15,.18);color:var(--text-dark);
  font-size:14px;font-weight:600;background:transparent;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-outline:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-btn);position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:1.5px;background:#fff;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-toggle.is-active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:110;
  background:var(--ink);padding:22px 20px 32px;
  display:flex;flex-direction:column;gap:20px;
  transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.drawer-search{width:100%;min-width:0}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{display:block;padding:14px 2px;font-size:16px;color:var(--text-light);border-bottom:1px solid var(--line-dark)}
.drawer-nav a:hover{color:var(--coral)}
.drawer-cta{width:100%;height:48px;margin-top:auto}
body.drawer-open{overflow:hidden}

/* ---------- Article head ---------- */
.article-head{padding:44px 0 0}
.breadcrumb-bar{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.04em;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb-bar .sep{width:12px;height:1px;background:rgba(13,12,15,.24);display:inline-block}
.breadcrumb-bar a{color:var(--text-muted)}
.breadcrumb-bar a:hover{color:var(--coral)}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--coral-soft);color:var(--coral-deep);
  font-size:12px;font-weight:600;letter-spacing:.04em;border:1px solid rgba(242,96,60,.22);
}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:rgba(111,211,199,.16);color:#257A70;
  font-size:12px;font-weight:600;letter-spacing:.03em;
}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(27px,3.5vw,42px);
  line-height:1.3;
  letter-spacing:-0.01em;
  margin:18px 0 20px;
  max-width:940px;
  color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-muted);letter-spacing:.03em}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{font-size:12px;color:#A9A49C}
.article-cover{
  margin:32px 0 0;border-radius:16px;overflow:hidden;
  background:linear-gradient(135deg,rgba(242,96,60,.16),rgba(111,211,199,.10));
  box-shadow:var(--shadow-light);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- Article layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,740px) 240px;
  gap:64px;
  justify-content:center;
  padding:56px 0 0;
  align-items:start;
}
.article-main{min-width:0}
.prose{font-size:16px;line-height:1.95;color:#2B282D}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.4em}
.prose h2{
  font-family:var(--font-serif);
  font-size:clamp(21px,2.1vw,28px);
  line-height:1.42;
  margin:2.2em 0 .8em;
  padding-left:15px;
  position:relative;
  color:var(--ink);
  scroll-margin-top:96px;
}
.prose h2::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;background:var(--coral)}
.prose h3{font-size:19px;line-height:1.5;margin:1.9em 0 .7em;color:var(--ink);scroll-margin-top:96px}
.prose h4{font-size:16px;margin:1.6em 0 .6em;color:var(--ink)}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:#EFEAE2;
  border-left:2px solid var(--coral);border-radius:0 12px 12px 0;color:#4B4741;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.4em}
.prose li{margin-bottom:.55em}
.prose ul li::marker{color:var(--coral)}
.prose ol li::marker{color:var(--coral);font-family:var(--font-num);font-weight:700}
.prose img{border-radius:var(--radius-img);margin:1.6em 0;box-shadow:var(--shadow-light)}
.prose a{color:var(--coral-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--coral)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14px;line-height:1.75}
.prose th,.prose td{border:0;border-bottom:1px solid var(--line-light);padding:11px 12px;text-align:left}
.prose th{font-weight:600;color:var(--ink);background:rgba(13,12,15,.03)}
.prose code{font-family:var(--font-num);font-size:.92em;background:rgba(13,12,15,.06);padding:2px 6px;border-radius:5px;color:var(--coral-deep)}
.prose hr{border:0;border-top:1px solid var(--line-light);margin:2.4em 0}
.prose figcaption{font-size:12px;color:var(--text-muted);margin-top:10px;text-align:center}

.empty-state{
  padding:64px 26px;text-align:center;background:var(--paper);
  border:1px solid var(--line-light);border-radius:var(--radius-card);box-shadow:var(--shadow-light);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-light);color:var(--text-muted);font-size:18px;
}
.empty-state h2{font-family:var(--font-serif);font-size:22px;margin-bottom:10px;color:var(--ink)}
.empty-state p{font-size:14px;color:var(--text-muted);margin-bottom:22px}

/* ---------- TOC ---------- */
.article-aside{position:sticky;top:100px}
.toc-title{
  font-family:var(--font-num);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:#9A958D;margin:0 0 14px;padding-left:2px;
}
.toc-list{list-style:none;padding:0;margin:0;border-left:1px solid var(--line-light)}
.toc-list a{
  display:block;padding:7px 0 7px 14px;margin-left:-1px;
  font-size:13px;line-height:1.65;color:var(--text-muted);
  border-left:2px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.toc-list a:hover,.toc-list a.active{color:var(--coral);border-left-color:var(--coral)}
.aside-note{
  margin-top:26px;padding:16px;border-radius:var(--radius-card);
  background:rgba(111,211,199,.10);border:1px solid rgba(111,211,199,.28);
  font-size:12.5px;line-height:1.8;color:#3F6C66;
}
.aside-note strong{display:block;color:#1F5C55;font-size:13px;margin-bottom:6px;letter-spacing:.02em}

/* ---------- Tags / back ---------- */
.article-foot{margin-top:52px;padding-top:30px;border-top:1px solid var(--line-light)}
.foot-label{font-size:12px;letter-spacing:.14em;color:#9A958D;text-transform:uppercase;margin-bottom:14px;font-family:var(--font-num)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-muted);border:1px solid rgba(13,12,15,.14);background:transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.tag:hover{color:var(--coral);border-color:var(--coral);background:var(--coral-soft)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- Related ---------- */
.related{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-family:var(--font-serif);font-size:clamp(23px,2.5vw,32px);line-height:1.3;color:var(--ink)}
.section-head h2 span{display:block;font-family:var(--font-sans);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#A9A49C;font-weight:500;margin-bottom:10px}
.link-more{
  font-size:14px;font-weight:600;color:var(--ink);position:relative;padding-bottom:4px;
  display:inline-flex;align-items:center;gap:6px;
}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--coral);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.link-more:hover{color:var(--coral)}
.link-more:hover::after{transform:scaleX(1)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line-light);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-light);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(242,96,60,.4);box-shadow:0 18px 40px -26px rgba(13,12,15,.5)}
.rec-thumb{overflow:hidden;background:linear-gradient(135deg,rgba(242,96,60,.14),rgba(111,211,199,.10))}
.rec-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--dur) var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 20px 22px}
.rec-body h3{font-size:17px;line-height:1.55;margin:12px 0 8px;color:var(--ink)}
.rec-body p{font-size:13.5px;line-height:1.8;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA band ---------- */
.cta-band{position:relative;margin-top:96px;background:var(--ink);overflow:hidden;padding:72px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-family:var(--font-serif);font-size:clamp(24px,2.8vw,36px);line-height:1.35;color:#fff;max-width:620px}
.cta-inner p{font-size:14.5px;line-height:1.85;color:#A9A49E;margin-top:12px;max-width:560px}
.cta-inner .btn-primary{height:46px;padding:0 26px;font-size:15px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--text-light-muted);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.05fr;gap:48px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:#8E8A84;max-width:330px}
.footer-col h4{font-family:var(--font-num);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#fff;margin:0 0 18px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#9C988F}
.footer-col a:hover{color:var(--coral)}
.footer-contact li{font-size:14px;line-height:1.7;color:#8E8A84}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7A766E;letter-spacing:.02em;
}
.dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:#4A4640;margin:0 9px;vertical-align:middle}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:48px}
  .article-main{max-width:760px;margin:0 auto}
  .article-aside{display:none}
}
@media (max-width:991px){
  .header-inner{gap:18px;height:64px}
  .main-nav,.command-search,.btn-ghost{display:none}
  .nav-toggle{display:block}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .article-head{padding-top:34px}
  .related{padding-top:72px}
  .cta-band{margin-top:76px;padding:60px 0}
}
@media (max-width:767px){
  .header-inner{height:60px}
  .brand-mark{font-size:18px}
  .brand-sub{font-size:9px;letter-spacing:.24em}
  .mobile-drawer{top:60px}
  .article-title{font-size:26px;line-height:1.36;margin:16px 0 18px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .article-cover{margin-top:26px;border-radius:12px}
  .article-layout{padding-top:38px}
  .prose{font-size:15.5px;line-height:1.9}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:36px}
  .site-footer{padding-top:56px}
  .footer-brand p{max-width:none}
  .cta-inner .btn-primary{width:100%}
  .related{padding-top:60px}
  .cta-band{margin-top:64px;padding:52px 0}
}
@media (max-width:399px){
  .header-actions .btn-primary{padding:0 13px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .rec-card:hover,.btn-primary:hover,.btn-outline:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0D0C0F;
  --ink-2:#17161B;
  --ink-3:#1F1E24;
  --sand:#F4F1EC;
  --paper:#FCFBF8;
  --coral:#F2603C;
  --coral-hover:#FF7048;
  --coral-soft:rgba(242,96,60,.12);
  --mist:#6FD3C7;
  --mist-soft:rgba(111,211,199,.16);
  --gold:#C9A46A;
  --text-dark:#1A191D;
  --text-muted:#6E6A64;
  --text-light:#F2F1EE;
  --text-light-muted:#B9B6B0;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(13,12,15,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-dark:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-light:0 1px 2px rgba(13,12,15,.06),0 12px 28px -20px rgba(13,12,15,.22);
  --shadow-lift:0 6px 16px rgba(13,12,15,.08),0 24px 48px -28px rgba(13,12,15,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --sec-space:96px;
  --gutter:32px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Inter","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-dark);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Noto Sans SC",serif;
  font-weight:700;
  color:var(--text-dark);
  margin:0;
  letter-spacing:-.01em;
  line-height:1.24;
}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--coral);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}
::selection{background:var(--coral);color:#fff;}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(13,12,15,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.scrolled{
  background:rgba(13,12,15,.97);
  border-bottom-color:var(--line-dark);
}
.nav-wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 var(--gutter);
  height:72px;
  display:flex;
  align-items:center;
  gap:26px;
}
.brand{
  display:flex;
  align-items:baseline;
  gap:8px;
  flex-shrink:0;
  color:var(--text-light);
}
.brand:hover{color:var(--text-light);}
.brand-mark{
  font-family:"Noto Serif SC",serif;
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--mist);
  font-weight:500;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-link{
  position:relative;
  display:inline-block;
  font-size:14px;
  font-weight:500;
  color:var(--text-light-muted);
  padding:10px 13px;
  border-radius:8px;
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:4px;
  height:2px;
  background:var(--coral);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text-light);}
.nav-link:hover::after,
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--text-light);}
.nav-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.command-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  min-width:216px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  color:#8E8A84;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.command-search:focus-within{
  border-color:rgba(242,96,60,.6);
  background:rgba(255,255,255,.06);
}
.command-search i{font-size:13px;}
.command-search input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text-light);
  font-size:13.5px;
  font-family:inherit;
}
.command-search input::placeholder{color:#8E8A84;}
.command-search kbd{
  font-family:"Inter",sans-serif;
  font-size:11px;
  line-height:1;
  padding:4px 6px;
  border-radius:5px;
  border:1px solid var(--line-dark);
  color:#8E8A84;
  background:rgba(255,255,255,.03);
}
.btn-primary-solid{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  font-size:14px;
  font-weight:600;
  color:#fff;
  background:var(--coral);
  border:1px solid transparent;
  border-radius:var(--r-btn);
  white-space:nowrap;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary-solid:hover{
  color:#fff;
  background:var(--coral-hover);
  transform:translateY(-1px);
  box-shadow:0 0 0 3px rgba(242,96,60,.25);
}
.btn-primary-solid:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 16px;
  font-size:14px;
  font-weight:500;
  color:var(--text-light);
  background:transparent;
  border:1px solid var(--line-dark);
  border-radius:var(--r-btn);
  white-space:nowrap;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover{
  color:var(--coral);
  border-color:rgba(242,96,60,.65);
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;
  height:42px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  color:var(--text-light);
  font-size:16px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:rgba(242,96,60,.65);color:var(--coral);}

/* mobile drawer */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:1100;
  background:rgba(13,12,15,.98);
  transform:translateX(100%);
  opacity:0;
  visibility:hidden;
  transition:transform 280ms var(--ease),opacity 280ms var(--ease),visibility 280ms;
  overflow-y:auto;
}
.mobile-drawer.open{
  transform:translateX(0);
  opacity:1;
  visibility:visible;
}
.drawer-inner{
  min-height:100%;
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:24px var(--gutter) 40px;
}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line-dark);
}
.drawer-close{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line-dark);
  background:transparent;
  color:var(--text-light);
  cursor:pointer;
  font-size:15px;
}
.drawer-close:hover{color:var(--coral);border-color:rgba(242,96,60,.65);}
.drawer-search{min-width:0;width:100%;height:46px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--text-light-muted);
  border-bottom:1px solid var(--line-dark);
}
.drawer-nav a:hover,
.drawer-nav a.active{color:var(--coral);}
.drawer-nav a i{font-size:12px;opacity:.6;}
.drawer-cta{width:100%;height:48px;font-size:15px;margin-top:8px;}

/* ============ HERO ============ */
.page-hero{
  position:relative;
  min-height:440px;
  display:flex;
  align-items:flex-end;
  color:var(--text-light);
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(13,12,15,.55) 0%,rgba(13,12,15,.80) 58%,#0D0C0F 100%),
    linear-gradient(90deg,rgba(13,12,15,.90) 0%,rgba(13,12,15,.45) 58%,rgba(13,12,15,.05) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:120px var(--gutter) 64px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-light-muted);
  margin-bottom:20px;
}
.crumb a{color:var(--text-light-muted);}
.crumb a:hover{color:var(--mist);}
.crumb .sep{width:12px;height:1px;background:rgba(255,255,255,.28);display:inline-block;}
.crumb .now{color:var(--mist);}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
  background:var(--mist-soft);
  border:1px solid rgba(111,211,199,.32);
  margin-bottom:22px;
}
.hero-tag i{font-size:11px;}
.page-hero h1{
  color:var(--text-light);
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.16;
  letter-spacing:-.02em;
  max-width:820px;
}
.hero-desc{
  margin-top:20px;
  max-width:660px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-light-muted);
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  font-size:13px;
  font-weight:500;
  color:var(--text-light);
  border:1px solid var(--line-dark);
  border-radius:999px;
  background:rgba(255,255,255,.05);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.chip:hover{
  color:var(--coral);
  border-color:rgba(242,96,60,.65);
  background:rgba(242,96,60,.10);
  transform:translateY(-1px);
}
.chip i{font-size:11px;opacity:.75;}

/* ============ SECTION SHELL ============ */
.section{padding:var(--sec-space) 0;}
.section.sand{background:var(--sand);}
.section.paper{background:var(--paper);}
.sec-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:"Inter",sans-serif;
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--coral);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--coral);
  display:inline-block;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.28;
}
.sec-head p{
  margin-top:16px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--text-muted);
}

/* ============ PREP CARDS ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.prep-card{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:30px 26px;
  box-shadow:var(--shadow-light);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.prep-card::before{
  content:"";
  position:absolute;
  top:0;
  left:24px;
  width:44px;
  height:2px;
  background:var(--coral);
  border-radius:2px;
}
.prep-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lift);
  border-color:rgba(242,96,60,.35);
}
.prep-icon{
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:var(--coral-soft);
  color:var(--coral);
  font-size:18px;
  margin-bottom:20px;
}
.prep-card h3{
  font-size:18px;
  margin-bottom:10px;
}
.prep-card > p{
  font-size:14.5px;
  color:var(--text-muted);
  line-height:1.8;
}
.prep-list{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line-light);
  display:flex;
  flex-direction:column;
  gap:9px;
}
.prep-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
}
.prep-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--mist);
}

/* ============ TIMELINE ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:4px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;
  top:18px;
  bottom:24px;
  width:2px;
  background:linear-gradient(180deg,rgba(13,12,15,.14),rgba(13,12,15,.06));
}
.step{
  position:relative;
  padding-left:72px;
  padding-bottom:44px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  position:absolute;
  left:0;
  top:0;
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--paper);
  border:1px solid var(--line-light);
  font-family:"Inter",sans-serif;
  font-size:15px;
  font-weight:600;
  color:var(--coral);
  box-shadow:0 0 0 6px var(--sand);
  z-index:2;
}
.step-body{
  background:var(--paper);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--shadow-light);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.step-body:hover{
  border-color:rgba(242,96,60,.32);
  transform:translateY(-2px);
  box-shadow:var(--shadow-lift);
}
.step-head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.step-head h3{font-size:19px;}
.step-tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:12px;
  font-weight:500;
  color:var(--coral);
  background:var(--coral-soft);
  border-radius:999px;
}
.step-body > p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-muted);
}
.step-list{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px 24px;
}
.step-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.75;
  color:var(--text-dark);
}
.step-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--mist);
  transform:rotate(45deg);
}

/* ============ AFTER CARDS (cover) ============ */
.after-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.after-card{
  display:flex;
  flex-direction:column;
  background:var(--ink-2);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.after-card:hover{
  transform:translateY(-4px);
  border-color:rgba(111,211,199,.42);
  box-shadow:var(--shadow-dark);
}
.after-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,rgba(242,96,60,.18),rgba(13,12,15,.9));
}
.after-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 300ms var(--ease);
}
.after-card:hover .after-thumb img{transform:scale(1.04);}
.after-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,12,15,0) 45%,rgba(13,12,15,.72) 100%);
}
.after-body{
  padding:22px 24px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.after-body h3{
  color:var(--text-light);
  font-size:18px;
}
.after-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-light-muted);
}
.after-badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--mist);
  border:1px solid rgba(111,211,199,.34);
  border-radius:999px;
  background:rgba(111,211,199,.10);
}

/* ============ TROUBLE GRID ============ */
.trouble-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.trouble-item{
  display:flex;
  gap:18px;
  padding:24px 26px;
  background:var(--paper);
  border:1px solid var(--line-light);
  border-left:3px solid var(--coral);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-light);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.trouble-item:hover{
  transform:translateX(3px);
  box-shadow:var(--shadow-lift);
}
.trouble-item i{
  flex-shrink:0;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:var(--mist-soft);
  color:#2E9C8E;
  font-size:15px;
}
.trouble-item h4{
  font-family:"Noto Sans SC",sans-serif;
  font-size:16px;
  font-weight:700;
  margin-bottom:6px;
  color:var(--text-dark);
}
.trouble-item p{
  font-size:14px;
  line-height:1.78;
  color:var(--text-muted);
}

/* ============ FAQ ============ */
.faq-block{
  background:var(--paper);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  padding:8px 32px;
  box-shadow:var(--shadow-light);
}
.faq-item{border-bottom:1px solid var(--line-light);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 0;
  font-size:16px;
  font-weight:600;
  color:var(--text-dark);
  cursor:pointer;
  list-style:none;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--coral);}
.faq-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-light);
  color:var(--coral);
  font-size:12px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  border-color:rgba(242,96,60,.5);
}
.faq-answer{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-muted);
  max-width:860px;
}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:var(--text-light);
  overflow:hidden;
  padding:88px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:-160px;
  right:-120px;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,96,60,.28),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:44px;
  flex-wrap:wrap;
}
.cta-copy h2{
  color:var(--text-light);
  font-size:clamp(24px,2.8vw,36px);
  line-height:1.3;
  max-width:600px;
}
.cta-copy p{
  margin-top:16px;
  max-width:560px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-light-muted);
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  flex-shrink:0;
}
.btn-outline-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 26px;
  font-size:15px;
  font-weight:500;
  color:var(--text-light);
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-btn);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-outline-light:hover{
  color:var(--coral);
  border-color:rgba(242,96,60,.7);
  transform:translateY(-1px);
}
.cta-actions .btn-primary-solid{height:48px;padding:0 28px;font-size:15px;}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--ink);
  color:var(--text-light-muted);
  border-top:1px solid var(--line-dark);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  margin-bottom:18px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-light-muted);
  max-width:340px;
}
.footer-col h4{
  font-family:"Noto Sans SC",sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-light);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-light-muted);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--coral);padding-left:3px;}
.footer-contact li{
  font-size:14px;
  line-height:1.8;
  color:var(--text-light-muted);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0 26px;
  border-top:1px solid var(--line-dark);
  font-size:13px;
  color:#8E8A84;
}
.footer-bottom .dot{
  display:inline-block;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--gold);
  margin:0 10px;
  vertical-align:middle;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1199.98px){
  :root{--sec-space:80px;}
}
@media (max-width:991.98px){
  :root{--sec-space:72px;--gutter:24px;}
  .main-nav,.nav-tools{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-wrap{height:60px;gap:16px;}
  .page-hero{min-height:400px;}
  .hero-inner{padding:104px var(--gutter) 52px;}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .after-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{gap:30px;}
  .step-list{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  :root{--sec-space:60px;--gutter:20px;}
  .page-hero{min-height:auto;}
  .hero-inner{padding:92px var(--gutter) 46px;}
  .page-hero h1{font-size:clamp(26px,6.4vw,34px);}
  .hero-desc{font-size:15px;}
  .prep-grid,.after-grid,.trouble-grid{grid-template-columns:1fr;}
  .step{padding-left:58px;padding-bottom:32px;}
  .step-num{width:40px;height:40px;font-size:14px;}
  .timeline::before{left:19px;}
  .step-body{padding:22px 20px;}
  .faq-block{padding:4px 20px;}
  .cta-band{padding:64px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary-solid,.cta-actions .btn-outline-light{flex:1;min-width:140px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519.98px){
  .brand-mark{font-size:18px;}
  .brand-sub{font-size:10px;letter-spacing:.12em;}
  .trouble-item{flex-direction:column;gap:12px;}
  .hero-chips{gap:8px;}
  .chip{height:34px;padding:0 13px;font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .prep-card:hover,.after-card:hover,.step-body:hover,.trouble-item:hover,.btn-primary-solid:hover,.btn-ghost:hover,.chip:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0D0C0F;
  --ink-2:#17161B;
  --ink-3:#201F25;
  --sand:#F4F1EC;
  --paper:#FCFBF8;
  --coral:#F2603C;
  --coral-lift:#FF7550;
  --teal:#6FD3C7;
  --gold:#C9A227;
  --text-light:#F2F1EE;
  --text-muted-light:#B9B6B0;
  --text-dark:#1A191D;
  --text-muted-dark:#6E6A64;
  --line-dark:rgba(255,255,255,.10);
  --line-light:rgba(13,12,15,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-dark:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-light:0 1px 2px rgba(13,12,15,.06),0 12px 28px -20px rgba(13,12,15,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms var(--ease);
  --wrap:1240px;
  --gutter:32px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-dark);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
button{background:none;border:0;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:4px}
::selection{background:rgba(242,96,60,.28);color:var(--ink)}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(13,12,15,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:rgba(13,12,15,.95);border-bottom-color:var(--line-dark)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:baseline;gap:9px;flex-shrink:0}
.brand-mark{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;
  color:#fff;letter-spacing:.01em;line-height:1;
}
.brand-sub{
  font-size:11px;letter-spacing:.16em;color:var(--teal);
  font-weight:500;line-height:1;
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;font-weight:500;color:rgba(242,241,238,.70);
  transition:color var(--t);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--coral);transition:width var(--t);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.active{color:#fff}
.nav-link.active::after{width:100%}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:250px;
  padding:0 12px;border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-btn);background:rgba(255,255,255,.045);
  transition:border-color var(--t),background var(--t);
}
.nav-search:focus-within{border-color:rgba(242,96,60,.65);background:rgba(255,255,255,.07)}
.nav-search i{font-size:12px;color:#8E8A84}
.nav-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:13px;
}
.nav-search input::placeholder{color:#8E8A84}
.nav-search kbd{
  font-family:"Space Grotesk",monospace;font-size:11px;color:#8E8A84;
  border:1px solid rgba(255,255,255,.16);border-radius:5px;
  padding:1px 5px;line-height:1.5;white-space:nowrap;
}
.btn-coral,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-coral{background:var(--coral);color:#fff;border:1px solid transparent}
.btn-coral:hover{background:var(--coral-lift);transform:translateY(-1px);box-shadow:0 0 0 2px rgba(242,96,60,.30)}
.btn-coral:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#F2F1EE;border:1px solid rgba(255,255,255,.28)}
.btn-outline:hover{border-color:var(--coral);color:var(--coral)}
.btn-ghost{background:transparent;color:rgba(242,241,238,.80);border:1px solid transparent;padding:0 14px}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.06)}
.btn-sm-nav{height:40px;padding:0 18px;font-size:13px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-btn);color:#fff;font-size:15px;
  align-items:center;justify-content:center;
}
.mobile-drawer{display:none}
.drawer-open .mobile-drawer{
  display:block;position:absolute;top:100%;left:0;right:0;
  background:var(--ink);border-bottom:1px solid var(--line-dark);
  padding:20px var(--gutter) 24px;max-height:calc(100vh - 72px);overflow-y:auto;
}
.drawer-search{width:100%;margin-bottom:18px;background:rgba(255,255,255,.05)}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer-nav a{
  padding:12px 2px;font-size:15px;font-weight:500;
  color:rgba(242,241,238,.78);border-bottom:1px solid var(--line-dark);
}
.drawer-nav a:hover{color:var(--coral)}
.drawer-nav a.is-current{color:var(--coral)}
.drawer-actions{display:flex;gap:12px}
.drawer-actions a{flex:1}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:var(--text-light);
  background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:420px;display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(13,12,15,.62) 0%,rgba(13,12,15,.90) 100%),
    linear-gradient(90deg,rgba(13,12,15,.94) 0%,rgba(13,12,15,.30) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:72px 72px;
}
.hero-inner{position:relative;z-index:2;padding:84px 0 68px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:"Space Grotesk",sans-serif;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);margin-bottom:20px;font-weight:500;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal);display:inline-block}
.page-hero h1{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:clamp(30px,4.2vw,52px);line-height:1.14;letter-spacing:-.02em;
  color:#fff;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--coral)}
.hero-desc{font-size:15px;line-height:1.9;color:var(--text-muted-light);max-width:590px;margin-bottom:26px}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px}
.anchor-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid rgba(255,255,255,.20);border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:rgba(242,241,238,.86);
  transition:border-color var(--t),color var(--t),background var(--t);
}
.anchor-chip:hover{border-color:var(--coral);color:var(--coral);background:rgba(242,96,60,.08)}

/* ---------- generic section ---------- */
.section{padding:var(--section) 0}
.section--dark{background:var(--ink);color:var(--text-light)}
.section--sand{background:var(--sand)}
.section--paper{background:var(--paper)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:28px;margin-bottom:34px;flex-wrap:wrap;
}
.sec-label{
  font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--coral);font-weight:500;margin-bottom:10px;
}
.sec-title{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:clamp(24px,2.6vw,36px);line-height:1.25;letter-spacing:-.01em;
}
.section--dark .sec-title{color:#fff}
.sec-sub{font-size:14px;color:var(--text-muted-dark);max-width:520px;margin-top:10px;line-height:1.8}
.section--dark .sec-sub{color:var(--text-muted-light)}
.sec-link{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--text-dark);padding-bottom:3px;
  background-image:linear-gradient(var(--coral),var(--coral));
  background-size:0 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size var(--t),color var(--t);
}
.sec-link:hover{color:var(--coral);background-size:100% 2px}
.sec-link i{font-size:11px;transition:transform var(--t)}
.sec-link:hover i{transform:translateX(4px)}
.section--dark .sec-link{color:rgba(242,241,238,.86)}

/* ---------- filter chips ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  height:36px;padding:0 17px;border-radius:var(--r-pill);
  border:1px solid var(--line-light);background:var(--paper);
  color:var(--text-muted-dark);font-size:13px;font-weight:500;
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.chip:hover{border-color:var(--coral);color:var(--coral);transform:translateY(-1px)}
.chip.is-active{background:var(--coral);border-color:var(--coral);color:#fff}

/* ---------- poster wall ---------- */
.poster-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:26px 24px}
.poster{
  position:relative;border-radius:var(--r-card);
  transition:transform var(--t);
}
.poster-media{
  position:relative;aspect-ratio:1/1.4;overflow:hidden;
  border-radius:var(--r-img);background:
    linear-gradient(160deg,rgba(242,96,60,.16),rgba(13,12,15,0) 70%),var(--ink-2);
  box-shadow:var(--shadow-light);
}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.poster-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-img);
  border:1px solid rgba(13,12,15,.06);
  transition:border-color var(--t),box-shadow var(--t);
  pointer-events:none;
}
.poster:hover .poster-media img{transform:scale(1.045)}
.poster:hover .poster-media::after{
  border-color:rgba(242,96,60,.9);
  box-shadow:0 0 0 1px rgba(242,96,60,.65),0 18px 34px -22px rgba(13,12,15,.55);
}
.poster-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(13,12,15,.72);
  color:#fff;font-size:11px;font-weight:500;letter-spacing:.03em;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.poster-veil{
  position:absolute;inset:auto 0 0 0;z-index:2;
  padding:34px 12px 12px;
  background:linear-gradient(180deg,rgba(13,12,15,0),rgba(13,12,15,.88));
  opacity:0;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t);
}
.poster:hover .poster-veil,.poster:focus-within .poster-veil{opacity:1;transform:translateY(0)}
.poster-veil p{font-size:12px;line-height:1.6;color:rgba(242,241,238,.88);margin-bottom:6px}
.poster-veil span{font-size:11px;font-weight:600;color:var(--coral);letter-spacing:.04em}
.poster-info{padding:12px 2px 0}
.poster-info h3{font-size:15px;font-weight:600;line-height:1.45;color:var(--text-dark);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.poster-info p{font-size:12px;color:var(--text-muted-dark);letter-spacing:.03em;margin-top:4px}
.poster.is-hidden{display:none}
.empty-tip{
  display:none;padding:56px 24px;text-align:center;border:1px dashed var(--line-light);
  border-radius:var(--r-card);color:var(--text-muted-dark);font-size:14px;background:var(--paper);
}
.empty-tip.is-on{display:block}

/* ---------- rail / spotlight ---------- */
.rail{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:99px}
.rail-card{
  flex:0 0 320px;scroll-snap-align:start;border-radius:var(--r-card);
  border:1px solid var(--line-dark);background:var(--ink-2);overflow:hidden;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.rail-card:hover{border-color:rgba(242,96,60,.55);transform:translateY(-3px);box-shadow:var(--shadow-dark)}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.05)}
.rail-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,12,15,.05),rgba(13,12,15,.72))}
.rail-count{
  position:absolute;left:14px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);background:rgba(242,96,60,.9);
  font-size:11px;font-weight:600;color:#fff;letter-spacing:.04em;
}
.rail-body{padding:18px 20px 22px}
.rail-body h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:8px;line-height:1.4}
.rail-body p{font-size:13px;line-height:1.8;color:var(--text-muted-light)}
.rail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag-teal{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid rgba(111,211,199,.4);
  color:var(--teal);font-size:11px;font-weight:500;letter-spacing:.03em;
}

/* ---------- chart ---------- */
.chart{display:grid;grid-template-columns:7fr 5fr;gap:34px;align-items:start}
.chart-hero-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-img);
  border:1px solid var(--line-dark);margin-bottom:20px;
}
.chart-hero-media img{width:100%;height:100%;object-fit:cover}
.chart-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,12,15,.05) 40%,rgba(13,12,15,.75) 100%);
}
.chart-hero h3{
  font-family:"Noto Serif SC",serif;font-size:clamp(22px,2.2vw,30px);
  color:#fff;line-height:1.3;margin-bottom:10px;
}
.chart-hero p{font-size:14px;line-height:1.85;color:var(--text-muted-light);max-width:520px}
.chart-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:16px;font-size:12px;letter-spacing:.04em;color:var(--text-muted-light);
}
.chart-meta span{display:inline-flex;align-items:center;gap:6px}
.chart-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--gold)}
.chart-list{display:flex;flex-direction:column}
.chart-item{
  display:grid;grid-template-columns:auto 78px 1fr;gap:16px;align-items:center;
  padding:14px 0;border-bottom:1px solid var(--line-dark);
  transition:transform var(--t);
}
.chart-item:first-child{padding-top:0}
.chart-item:hover{transform:translateX(4px)}
.chart-num{
  font-family:"Space Grotesk",sans-serif;font-size:40px;font-weight:300;
  line-height:1;color:var(--teal);opacity:.7;min-width:54px;
}
.chart-item:hover .chart-num{opacity:1;color:var(--coral)}
.chart-thumb{width:78px;aspect-ratio:1/1.4;border-radius:8px;overflow:hidden;background:var(--ink-3)}
.chart-thumb img{width:100%;height:100%;object-fit:cover}
.chart-text h4{font-size:15px;font-weight:600;color:#fff;line-height:1.4;margin-bottom:4px}
.chart-text p{font-size:12px;color:var(--text-muted-light);letter-spacing:.03em}

/* ---------- info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-card{
  background:var(--paper);border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-light);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(242,96,60,.35);box-shadow:0 18px 34px -24px rgba(13,12,15,.34)}
.info-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(242,96,60,.12);color:var(--coral);font-size:17px;margin-bottom:18px;
}
.info-card h3{font-size:17px;font-weight:600;margin-bottom:10px;line-height:1.45}
.info-card p{font-size:14px;line-height:1.85;color:var(--text-muted-dark)}
.info-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.info-card li{
  position:relative;padding-left:16px;font-size:13px;color:var(--text-muted-dark);line-height:1.7;
}
.info-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:50%;border:1px solid var(--coral);
}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line-light);max-width:880px}
.faq-item{border-bottom:1px solid var(--line-light)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:16px;font-weight:600;color:var(--text-dark);
  cursor:pointer;list-style:none;transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--coral)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-light);display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--text-muted-dark);transition:transform var(--t),color var(--t),border-color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--coral);border-color:rgba(242,96,60,.5)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--text-muted-dark);max-width:760px}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--text-light)}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,96,60,.22),rgba(242,96,60,0) 70%);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding:76px 0;flex-wrap:wrap;
}
.cta-inner h2{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:clamp(24px,3vw,38px);line-height:1.3;color:#fff;max-width:640px;
}
.cta-inner p{font-size:14px;color:var(--text-muted-light);margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--text-light);padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:52px;border-bottom:1px solid var(--line-dark);
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:13px;line-height:1.9;color:var(--text-muted-light);max-width:360px}
.footer-col h4{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(242,241,238,.55);font-weight:500;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li{font-size:13px;line-height:1.7;color:var(--text-muted-light)}
.footer-col a{color:var(--text-muted-light);transition:color var(--t)}
.footer-col a:hover{color:var(--coral)}
.footer-contact li{color:var(--text-muted-light)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 26px;font-size:12px;color:rgba(185,182,176,.75);flex-wrap:wrap;
}
.footer-bottom .dot{
  display:inline-block;width:3px;height:3px;border-radius:50%;
  background:var(--gold);margin:0 9px;vertical-align:middle;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--section:80px;--gutter:28px}
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1099px){
  .main-nav{display:none}
  .nav-search{display:none}
  .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-right{gap:10px}
}
@media (max-width:991px){
  :root{--section:72px;--gutter:24px}
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 18px}
  .chart{grid-template-columns:1fr;gap:30px}
  .info-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .page-hero{min-height:360px}
  .hero-inner{padding:64px 0 52px}
}
@media (max-width:767px){
  :root{--section:56px;--gutter:20px}
  .header-inner{height:60px;gap:16px}
  .brand-mark{font-size:18px}
  .brand-sub{font-size:10px;letter-spacing:.12em}
  .btn-coral.btn-sm-nav,.btn-outline{height:38px;padding:0 14px;font-size:13px}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-grid{grid-template-columns:1fr}
  .cta-inner{padding:56px 0;gap:24px}
  .chart-num{font-size:32px;min-width:44px}
  .chart-item{grid-template-columns:auto 64px 1fr;gap:12px}
  .chart-thumb{width:64px}
  .rail-card{flex:0 0 260px}
  .page-hero{min-height:320px}
  .page-hero::after{opacity:.22;background-size:52px 52px}
  .anchor-chips{gap:8px}
  .anchor-chip{height:32px;padding:0 13px;font-size:12px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding-top:52px}
}
@media (max-width:520px){
  :root{--gutter:16px}
  .poster-grid{gap:16px 12px}
  .poster-info h3{font-size:14px}
  .poster-info p{font-size:11px}
  .poster-veil{display:none}
  .cta-actions{width:100%}
  .cta-actions a{flex:1}
  .hero-desc{font-size:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .poster:hover .poster-media img,.rail-card:hover .rail-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#0D0C0F;
  --ink-2:#17161B;
  --sand:#F4F1EC;
  --paper:#FCFBF8;
  --coral:#F2603C;
  --coral-deep:#DE4E2B;
  --coral-soft:rgba(242,96,60,.12);
  --mint:#6FD3C7;
  --mint-soft:rgba(111,211,199,.16);
  --text:#1A191D;
  --text-soft:#6E6A64;
  --text-light:#F2F1EE;
  --text-light-soft:#B9B6B0;
  --line:rgba(13,12,15,.10);
  --line-strong:rgba(13,12,15,.18);
  --line-dark:rgba(255,255,255,.10);
  --gold-line:rgba(214,178,110,.45);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-light:0 1px 2px rgba(13,12,15,.06),0 12px 28px -20px rgba(13,12,15,.22);
  --sh-dark:0 18px 40px -24px rgba(0,0,0,.9);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --wrap:1240px;
  --gutter:24px;
  --section-y:96px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Inter",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease)}
a:hover{color:var(--coral)}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Noto Sans SC",serif;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}
::selection{background:var(--coral);color:#fff}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(13,12,15,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line-dark);box-shadow:0 14px 34px -26px #000;background:rgba(13,12,15,.96)}
.header-inner{display:flex;align-items:center;gap:22px;height:var(--nav-h)}
.brand{display:inline-flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.brand-mark{font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;color:#fff;letter-spacing:.02em}
.brand-sub{font-family:"Inter",sans-serif;font-size:10.5px;font-weight:500;letter-spacing:.24em;color:var(--coral);text-transform:uppercase;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:6px 1px;
  font-size:14px;font-weight:500;color:var(--text-light-soft);
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--coral);border-radius:2px;
  transition:width var(--dur) var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:#fff}
.nav-link:hover::after,.nav-link:focus-visible::after{width:100%}
.nav-link.active{color:#fff}
.nav-link.active::after{width:100%}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 10px 0 12px;min-width:236px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  border-radius:var(--r-btn);
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.command-search:focus-within{border-color:rgba(242,96,60,.6);background:rgba(255,255,255,.07)}
.command-search svg{flex-shrink:0;color:#8E8A84}
.command-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:var(--text-light);font-size:13.5px;
}
.command-search input::placeholder{color:#8E8A84}
.kbd{
  font-family:"Inter",sans-serif;font-size:11px;line-height:1;
  color:#8E8A84;border:1px solid var(--line-dark);border-radius:5px;
  padding:4px 5px;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;line-height:1;white-space:nowrap;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),
             color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;border:1px solid var(--coral)}
.btn-primary:hover,.btn-primary:focus-visible{background:#FA6F4C;border-color:#FA6F4C;color:#fff;transform:translateY(-1px);box-shadow:0 0 0 2px rgba(242,96,60,.35)}
.btn-primary:active{transform:translateY(0);background:var(--coral-deep)}
.btn-ghost{background:transparent;color:var(--text-light);border:1px solid var(--line-dark)}
.btn-ghost:hover,.btn-ghost:focus-visible{color:var(--coral);border-color:rgba(242,96,60,.55);background:rgba(242,96,60,.08)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--line-strong)}
.btn-outline:hover,.btn-outline:focus-visible{color:var(--coral);border-color:var(--coral);transform:translateY(-1px)}
.btn-light{background:var(--paper);color:var(--ink);border:1px solid var(--paper)}
.btn-light:hover,.btn-light:focus-visible{background:#fff;color:var(--ink);transform:translateY(-1px);box-shadow:0 0 0 2px rgba(252,251,248,.28)}
.btn.full{width:100%}
.btn-lg{height:46px;padding:0 24px;font-size:15px}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);border-radius:var(--r-btn);color:var(--text-light);
}
.nav-toggle:hover{color:var(--coral);border-color:rgba(242,96,60,.55)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:900;
  display:flex;flex-direction:column;gap:22px;
  padding:20px 20px 28px;background:var(--ink);
  opacity:0;visibility:hidden;transform:translateY(-14px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-dark);border-radius:var(--r-btn);color:var(--text-light);font-size:20px;line-height:1}
.drawer-close:hover{color:var(--coral);border-color:rgba(242,96,60,.55)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line-dark);padding-top:16px}
.drawer-nav a{
  padding:14px 2px;font-size:17px;font-weight:500;color:var(--text-light);
  border-bottom:1px solid var(--line-dark);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--coral)}
.drawer-foot{margin-top:auto}
body.drawer-open{overflow:hidden}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);
  display:flex;align-items:flex-end;min-height:420px;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.4}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(13,12,15,.78) 0%,rgba(13,12,15,.9) 58%,rgba(13,12,15,.97) 100%),
    linear-gradient(90deg,rgba(13,12,15,.92) 0%,rgba(13,12,15,.45) 62%,rgba(13,12,15,.2) 100%);
}
.hero-grid{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 86%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 86%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:104px 0 48px;color:var(--text-light)}
.breadcrumb-line{display:flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.05em;color:#8E8A84;margin-bottom:20px}
.breadcrumb-line a{color:#8E8A84}
.breadcrumb-line a:hover{color:var(--coral)}
.breadcrumb-line .sep{width:14px;height:1px;background:rgba(255,255,255,.28);display:inline-block}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Inter",sans-serif;font-size:11.5px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--mint);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--mint)}
.page-hero h1{
  font-family:"Noto Serif SC",serif;
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.24;letter-spacing:-.02em;color:#fff;
  max-width:880px;margin-bottom:16px;
}
.hero-desc{max-width:660px;font-size:16px;line-height:1.9;color:var(--text-light-soft);margin:0}
.anchor-chips{display:flex;gap:10px;margin-top:28px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.anchor-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:7px;flex-shrink:0;
  height:36px;padding:0 15px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-light-soft);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.03);
  transition:all var(--dur) var(--ease);
}
.chip:hover,.chip:focus-visible{color:#fff;border-color:rgba(242,96,60,.7);background:rgba(242,96,60,.14)}
.chip .dot-mint{width:6px;height:6px;border-radius:50%;background:var(--mint)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-y) 0}
.section-paper{background:var(--paper)}
.section-ink{background:var(--ink);color:var(--text-light)}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:12px}
.section-head p{color:var(--text-soft);font-size:15.5px}
.section-ink .section-head p{color:var(--text-light-soft)}
.section-head .kicker{
  display:inline-block;font-family:"Inter",sans-serif;font-size:11.5px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--coral);margin-bottom:10px;
}

/* ---------- 双栏文档区 ---------- */
.doc-section{padding:var(--section-y) 0;background:var(--sand)}
.doc-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:56px;align-items:start}
.doc-main{min-width:0}
.doc-block{padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid var(--line)}
.doc-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.doc-block h2{
  position:relative;padding-left:18px;
  font-size:clamp(21px,2.1vw,27px);margin-bottom:14px;
  scroll-margin-top:calc(var(--nav-h) + 26px);
}
.doc-block h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:1.05em;
  background:var(--coral);border-radius:2px;
}
.doc-lead{font-size:15.5px;color:var(--text-soft);margin-bottom:22px}
.qa-item{padding:20px 0;border-top:1px solid var(--line)}
.qa-item:first-of-type{border-top:0;padding-top:0}
.qa-item h3{font-family:"Noto Sans SC",sans-serif;font-size:17px;font-weight:600;line-height:1.6;margin-bottom:8px;color:var(--text)}
.qa-item p{font-size:15px;line-height:1.9;color:var(--text-soft);margin:0}
.qa-item p + p{margin-top:.7em}
.qa-item strong{color:var(--text);font-weight:600}
.thin-list{margin-top:18px;border-top:1px solid var(--line)}
.thin-list li{
  display:flex;gap:12px;padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:14.8px;color:var(--text-soft);line-height:1.8;
}
.thin-list .num{
  flex-shrink:0;width:24px;height:24px;margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:"Inter",sans-serif;font-size:12px;font-weight:600;
  color:var(--mint);background:var(--mint-soft);border-radius:6px;
}
.thin-list strong{color:var(--text);font-weight:600}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;
  background:var(--coral-soft);color:var(--coral-deep);font-weight:500;
}
.tag.mint{background:var(--mint-soft);color:#2F8F84}
.tag.line{background:transparent;border:1px solid var(--line-strong);color:var(--text-soft)}
.doc-figure{margin:26px 0 6px}
.doc-figure img{width:100%;border-radius:var(--r-img);box-shadow:var(--sh-light)}
.doc-figure figcaption{font-size:12.5px;color:var(--text-soft);margin-top:10px;letter-spacing:.02em}

/* 侧栏 */
.doc-side{position:sticky;top:calc(var(--nav-h) + 24px)}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-light);
}
.side-card + .side-card{margin-top:16px}
.side-card h3{font-family:"Noto Sans SC",sans-serif;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--text-soft);text-transform:uppercase;margin-bottom:14px}
.side-toc li{margin-bottom:2px}
.side-toc a{
  display:flex;align-items:center;gap:9px;padding:8px 0;font-size:14px;color:var(--text-soft);
  border-left:2px solid transparent;padding-left:10px;margin-left:-10px;
  transition:all var(--dur) var(--ease);
}
.side-toc a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line-strong);flex-shrink:0;transition:background-color var(--dur) var(--ease)}
.side-toc a:hover,.side-toc a:focus-visible{color:var(--coral);border-left-color:var(--coral);padding-left:14px}
.side-toc a:hover::before{background:var(--coral)}
.side-divider{height:1px;background:var(--line);margin:18px 0}
.quick-list li + li{margin-top:9px}
.quick-list a{font-size:13.8px;color:var(--text-soft);line-height:1.7;display:inline-block}
.quick-list a:hover{color:var(--coral)}
.side-card .btn{margin-top:18px}
.side-note{font-size:12.5px;color:var(--text-soft);margin-top:12px;line-height:1.75}

/* ---------- 速查卡片 ---------- */
.fix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.fix-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-light);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.fix-card:hover{transform:translateY(-3px);border-color:rgba(242,96,60,.4);box-shadow:0 18px 36px -26px rgba(13,12,15,.5)}
.fix-icon{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;background:var(--coral-soft);color:var(--coral-deep);margin-bottom:16px;
}
.fix-card h3{font-family:"Noto Sans SC",sans-serif;font-size:17px;font-weight:600;margin-bottom:8px}
.fix-card p{font-size:14.5px;color:var(--text-soft);line-height:1.85;margin:0}
.fix-card .fix-meta{margin-top:14px;font-size:12.5px;letter-spacing:.04em;color:#8E8A84}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 2px;list-style:none;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.65;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;font-family:"Inter",sans-serif;font-size:20px;font-weight:400;
  color:var(--coral);line-height:1;transition:transform var(--dur) var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--coral)}
.faq-body{padding:0 2px 22px;font-size:15px;line-height:1.9;color:var(--text-soft);max-width:760px}
.faq-body p{margin:0 0 .8em}
.faq-body p:last-child{margin-bottom:0}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--text-light);
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;opacity:.75;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,96,60,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-text h2{font-size:clamp(24px,2.7vw,34px);line-height:1.32;margin-bottom:10px;color:#fff}
.cta-text p{color:var(--text-light-soft);font-size:15px;max-width:560px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 相关栏目 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:block;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-light);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.related-card:hover,.related-card:focus-visible{transform:translateY(-4px);border-color:rgba(242,96,60,.45);box-shadow:0 20px 40px -26px rgba(13,12,15,.55);color:inherit}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,12,15,.08),rgba(13,12,15,.55))}
.related-body{padding:20px 22px 24px}
.related-body h3{font-family:"Noto Sans SC",sans-serif;font-size:17px;font-weight:600;margin-bottom:8px}
.related-body p{font-size:14px;color:var(--text-soft);line-height:1.8;margin:0 0 14px}
.related-link{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--coral-deep)}
.related-link svg{transition:transform var(--dur) var(--ease)}
.related-card:hover .related-link svg{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--text-light-soft);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.9;margin:16px 0 0;max-width:330px;color:var(--text-light-soft)}
.footer-col h4{
  font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:600;
  color:var(--text-light);letter-spacing:.08em;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;font-size:14px;line-height:1.7}
.footer-col a{color:var(--text-light-soft)}
.footer-col a:hover{color:var(--coral)}
.footer-contact li{color:var(--text-light-soft);font-size:13.5px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;border-top:1px solid var(--line-dark);
  font-size:12.5px;letter-spacing:.04em;color:#8E8A84;
}
.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--gold-line);margin:0 10px;vertical-align:middle}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--section-y:82px}
  .doc-grid{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
}
@media (max-width:991.98px){
  :root{--nav-h:64px;--section-y:72px}
  .main-nav,.command-search,.header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .doc-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .doc-side{position:static;order:2}
  .side-card{box-shadow:none}
  .fix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{min-height:380px}
  .hero-inner{padding:88px 0 40px}
}
@media (max-width:767.98px){
  :root{--gutter:20px;--section-y:60px}
  body{font-size:15.5px}
  .page-hero{min-height:360px}
  .page-hero h1{font-size:clamp(25px,6vw,32px)}
  .hero-desc{font-size:15px}
  .fix-grid,.related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .doc-block h2{font-size:21px}
}
@media (max-width:575.98px){
  :root{--gutter:16px;--nav-h:60px}
  .header-actions .btn-primary{display:none}
  .hero-inner{padding:80px 0 34px}
  .breadcrumb-line{font-size:11.5px;gap:8px;flex-wrap:wrap}
  .side-card{padding:20px}
  .fix-card{padding:22px 20px}
  .related-body{padding:18px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .btn:hover,.fix-card:hover,.related-card:hover,.related-card:hover .related-thumb img{transform:none !important}
}