/* roulang page: index */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-h:#F5C061;
  --c-gold-d:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-d:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-on-dark:#F6F1E7;
  --c-text:#241C2E;
  --c-muted:#6C6178;
  --c-line:#E7DFD2;
  --c-line-dark:rgba(233,169,60,.28);
  --c-ok:#3E8E63;
  --c-warn:#D9822B;
  --c-err:#C0432F;
  --c-info:#3F6E8C;
  --r-card:16px;
  --r-card-lg:20px;
  --r-field:10px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --glow:0 0 0 1px rgba(233,169,60,.22);
  --container:1200px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,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:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}
.section{padding:104px 0;}
.section-sm{padding:72px 0;}
.bg-light{background:var(--c-paper);}
.bg-light-2{background:var(--c-paper-2);}
.bg-dark{background:var(--c-ink);color:var(--c-on-dark);}
.gold-rule{height:1px;background:linear-gradient(90deg,rgba(233,169,60,0),rgba(233,169,60,.75),rgba(233,169,60,0));border:0;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:600;
  color:var(--c-gold-d);text-transform:uppercase;
}
.bg-dark .eyebrow{color:var(--c-gold);}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;opacity:.7;}
.section-head{max-width:760px;}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,34px);
  margin-top:14px;
  letter-spacing:.01em;
}
.section-head p{margin-top:16px;color:var(--c-muted);font-size:16px;}
.bg-dark .section-head p{color:rgba(246,241,231,.72);}
.head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-gold{background:var(--c-gold);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-gold:hover{background:var(--c-gold-h);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-gold:active{background:var(--c-gold-d);transform:translateY(0);}
.btn-ghost{border:1.5px solid var(--c-gold);color:var(--c-gold);background:transparent;}
.btn-ghost:hover{background:rgba(233,169,60,.12);transform:translateY(-1px);}
.btn-ghost:active{background:rgba(233,169,60,.2);transform:translateY(0);}
.btn-ink{background:var(--c-ink);color:var(--c-on-dark);border:1.5px solid var(--c-ink);}
.btn-ink:hover{background:var(--c-ink-3);border-color:var(--c-ink-3);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ink:active{transform:translateY(0);}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:600;color:var(--c-gold-d);
}
.link-arrow span.arw{transition:transform .22s var(--ease);}
.link-arrow:hover{color:var(--c-gold);}
.link-arrow:hover span.arw{transform:translateX(3px);}
.bg-dark .link-arrow{color:var(--c-gold);}
.bg-dark .link-arrow:hover{color:var(--c-gold-h);}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:rgba(233,169,60,.13);color:var(--c-gold-d);
}
.badge-jade{background:rgba(47,127,110,.13);color:var(--c-jade-d);}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(23,16,33,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(233,169,60,.34);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(23,16,33,.985);box-shadow:0 10px 30px rgba(0,0,0,.32);}
.nav-wrap{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--c-gold),var(--c-gold-d));
  color:var(--c-ink);font-family:var(--font-serif);font-size:19px;font-weight:700;
  box-shadow:0 0 0 1px rgba(233,169,60,.4) inset;
}
.brand-text{
  font-family:var(--font-serif);font-size:18px;font-weight:700;color:var(--c-on-dark);
  letter-spacing:.02em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:rgba(246,241,231,.82);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--c-gold);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(246,241,231,.07);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-gold);background:rgba(233,169,60,.12);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(233,169,60,.4);color:var(--c-gold);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  position:fixed;inset:0;z-index:120;display:none;
}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(12,8,18,.72);backdrop-filter:blur(3px);}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(340px,86vw);height:100%;
  background:var(--c-ink-2);border-left:1px solid rgba(233,169,60,.28);
  padding:26px 22px 40px;display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-title{font-family:var(--font-serif);font-size:16px;color:var(--c-gold);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(233,169,60,.35);color:var(--c-gold);font-size:18px;line-height:1;}
.drawer a.drawer-link{
  padding:13px 14px;border-radius:12px;color:rgba(246,241,231,.9);
  font-size:15px;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link:focus-visible{background:rgba(233,169,60,.12);color:var(--c-gold);border-color:rgba(233,169,60,.28);}
.drawer a.drawer-link.active{background:rgba(233,169,60,.14);color:var(--c-gold);}
.drawer .btn{margin-top:18px;width:100%;}
/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--c-on-dark);
  background:var(--c-ink);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(23,16,33,.96) 0%,rgba(23,16,33,.86) 46%,rgba(23,16,33,.42) 100%);
}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,169,60,.22),rgba(233,169,60,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:96px 0 104px;
}
.hero-copy h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,4vw,52px);
  line-height:1.2;letter-spacing:.01em;
  margin-top:20px;
}
.hero-copy h1 em{font-style:normal;color:var(--c-gold);}
.hero-sub{
  margin-top:22px;font-size:clamp(16px,1.5vw,19px);
  color:rgba(246,241,231,.86);max-width:30ch;
}
.hero-note{
  margin-top:12px;font-size:14px;color:rgba(246,241,231,.6);
  display:inline-flex;align-items:center;gap:8px;
}
.hero-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-jade);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-stack{
  position:relative;height:430px;
}
.hero-shot{
  position:absolute;overflow:hidden;border-radius:var(--r-card-lg);
  border:1px solid var(--c-line-dark);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
  background:var(--c-ink-3);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,16,33,0) 46%,rgba(23,16,33,.78) 100%);
}
.hero-shot figcaption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-size:13px;font-weight:600;color:var(--c-on-dark);
}
.hero-shot.s1{width:66%;height:300px;left:0;top:22px;transform:rotate(-3.2deg);}
.hero-shot.s2{width:56%;height:250px;right:0;top:0;transform:rotate(2.6deg);}
.hero-shot.s3{width:52%;height:212px;right:8%;bottom:0;transform:rotate(-1.6deg);}
/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.pain-list{display:flex;flex-direction:column;gap:0;}
.pain-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 0;border-top:1px solid var(--c-line);
}
.pain-item:last-child{border-bottom:1px solid var(--c-line);}
.pain-num{
  font-family:var(--font-serif);font-size:32px;font-weight:700;color:var(--c-gold);
  line-height:1;
}
.pain-item h3{font-size:18px;margin-bottom:6px;}
.pain-item p{font-size:15px;color:var(--c-muted);}
/* ---------- 解决方案 ---------- */
.solve-list{display:flex;flex-direction:column;gap:72px;margin-top:64px;}
.solve-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.solve-row.reverse .solve-media{order:2;}
.solve-media{
  position:relative;border-radius:var(--r-card-lg);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  aspect-ratio:16/10;background:var(--c-paper-2);
}
.solve-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.solve-media:hover img{transform:scale(1.03);}
.solve-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(23,16,33,.82);color:var(--c-gold);
  padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  backdrop-filter:blur(6px);
}
.solve-body h3{font-family:var(--font-serif);font-size:23px;margin-bottom:14px;}
.solve-body p{font-size:15.5px;color:var(--c-muted);margin-bottom:12px;}
.solve-body .link-arrow{margin-top:10px;}
/* ---------- 数据条带 ---------- */
.stats{
  background:var(--c-ink-2);color:var(--c-on-dark);
  border-top:1px solid rgba(233,169,60,.24);
  border-bottom:1px solid rgba(233,169,60,.24);
  position:relative;overflow:hidden;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(233,169,60,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.stats-inner{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:64px 0;}
.stat-item{text-align:center;position:relative;}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:-16px;top:14%;height:72%;width:1px;
  background:linear-gradient(180deg,rgba(233,169,60,0),rgba(233,169,60,.5),rgba(233,169,60,0));
}
.stat-num{
  font-family:var(--font-serif);font-size:clamp(34px,4.2vw,56px);font-weight:700;
  color:var(--c-gold);line-height:1.05;
}
.stat-num small{font-size:.42em;margin-left:4px;color:rgba(246,241,231,.8);font-family:var(--font-sans);font-weight:600;}
.stat-label{margin-top:10px;font-size:14px;color:rgba(246,241,231,.76);}
/* ---------- 证言 ---------- */
.voice-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;align-items:start;}
.voice-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(233,169,60,.6);}
.voice-card:nth-child(2){margin-top:36px;background:var(--c-paper-2);}
.voice-card:nth-child(3){margin-top:14px;}
.voice-quote{
  font-family:var(--font-serif);font-size:40px;line-height:1;color:var(--c-gold);opacity:.55;
}
.voice-card p{margin-top:6px;font-size:15.5px;color:var(--c-text);}
.voice-meta{margin-top:20px;padding-top:16px;border-top:1px dashed var(--c-line);font-size:13.5px;color:var(--c-muted);}
.voice-meta strong{display:block;color:var(--c-text);font-size:14.5px;font-weight:600;}
/* ---------- 资讯列表 ---------- */
.post-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;
}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-gold);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-paper-2);position:relative;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-title{
  font-size:18px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-sum{
  font-size:14.5px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-muted);
}
.post-more{font-size:13.5px;font-weight:600;color:var(--c-gold-d);display:inline-flex;align-items:center;gap:5px;}
.post-card:hover .post-more{color:var(--c-gold);}
.empty-box{
  margin-top:44px;border:1px dashed rgba(233,169,60,.55);border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;margin:0 auto 16px;
  display:grid;place-items:center;background:rgba(233,169,60,.14);color:var(--c-gold-d);
  font-size:24px;font-family:var(--font-serif);
}
.empty-box p{color:var(--c-muted);font-size:15px;}
.empty-box .link-arrow{margin-top:16px;}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:48px auto 0;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(233,169,60,.65);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid rgba(233,169,60,.6);color:var(--c-gold-d);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.faq-item[open] .faq-ico{transform:rotate(180deg);background:rgba(233,169,60,.14);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--c-muted);line-height:1.8;}
.faq-answer p + p{margin-top:8px;}
/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-ink);color:var(--c-on-dark);
}
.cta-band::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,127,110,.28),rgba(47,127,110,0) 70%);
}
.cta-inner{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:88px 0;
}
.cta-inner h2{font-family:var(--font-serif);font-size:clamp(25px,3vw,36px);line-height:1.3;}
.cta-inner .cta-desc{margin-top:18px;color:rgba(246,241,231,.74);font-size:15.5px;max-width:42ch;}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(246,241,231,.82);}
.cta-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-gold);flex:0 0 7px;}
.form-card{
  background:rgba(44,30,61,.86);border:1px solid rgba(233,169,60,.3);border-radius:20px;
  padding:30px;box-shadow:var(--glow);
}
.form-card h3{font-size:18px;font-family:var(--font-serif);margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:rgba(246,241,231,.6);margin-bottom:20px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:600;color:rgba(246,241,231,.86);}
.field input,.field textarea{
  width:100%;background:rgba(251,247,241,.06);
  border:1px solid rgba(246,241,231,.22);border-radius:var(--r-field);
  padding:12px 14px;font-size:15px;color:var(--c-on-dark);
  min-height:48px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{resize:vertical;min-height:92px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,241,231,.42);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-gold);background:rgba(251,247,241,.1);
  box-shadow:0 0 0 3px rgba(233,169,60,.22);
}
.field.error input,.field.error textarea{border-color:var(--c-err);}
.field .err-msg{display:none;font-size:13px;color:#F0A192;}
.field.error .err-msg{display:block;}
.form-card .btn{width:100%;margin-top:20px;}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(246,241,231,.5);text-align:center;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(246,241,231,.74);font-size:14px;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding:72px 0 56px;
  border-top:1px solid rgba(233,169,60,.28);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{max-width:32ch;line-height:1.8;font-size:14px;color:rgba(246,241,231,.66);}
.footer-col h4{
  font-size:14px;color:var(--c-gold);letter-spacing:.08em;margin-bottom:16px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(246,241,231,.74);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--c-gold);}
.footer-col li{line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(246,241,231,.12);
  padding:22px 0 48px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,241,231,.5);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--c-gold);}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .hero-inner{gap:40px;}
  .hero-stack{height:390px;}
}
@media (max-width:1023px){
  .container{padding:0 28px;}
  .section{padding:76px 0;}
  .section-sm{padding:56px 0;}
  .nav-links{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:48px;padding:72px 0 80px;}
  .hero-sub{max-width:none;}
  .hero-stack{height:340px;max-width:520px;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .solve-row{grid-template-columns:1fr;gap:28px;}
  .solve-row.reverse .solve-media{order:0;}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:40px 24px;padding:52px 0;}
  .stat-item + .stat-item::before{display:none;}
  .voice-wrap{grid-template-columns:1fr;gap:18px;}
  .voice-card:nth-child(2),.voice-card:nth-child(3){margin-top:0;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:68px 0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px 24px;padding:56px 0 44px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .nav-wrap{height:60px;}
  .site-header.is-scrolled .nav-wrap{height:58px;}
  .brand-text{font-size:16px;}
  .hero-copy h1{font-size:clamp(27px,7vw,32px);}
  .hero-inner{padding:56px 0 64px;}
  .hero-cta{flex-direction:column;gap:12px;}
  .hero-cta .btn{width:100%;}
  .hero-stack{height:300px;}
  .hero-shot.s1{width:70%;height:210px;}
  .hero-shot.s2{width:60%;height:172px;}
  .hero-shot.s3{width:56%;height:150px;}
  .pain-item{grid-template-columns:44px 1fr;gap:14px;padding:22px 0;}
  .pain-num{font-size:26px;}
  .solve-list{gap:48px;margin-top:40px;}
  .solve-body h3{font-size:20px;}
  .post-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .faq-item summary{padding:17px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{padding:20px 0 48px;flex-direction:column;align-items:flex-start;gap:10px;}
  .head-row{align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-hover:#F5C061;
  --c-gold-press:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-deep:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-text:#241C2E;
  --c-muted:#6C6178;
  --c-line:#E7DFD2;
  --c-light-text:#F6F1E7;
  --r-card:16px;
  --r-lg:20px;
  --r-field:10px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --max:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --f-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --f-sans:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.4em}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 40px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(23,16,33,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(233,169,60,.28);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(23,16,33,.98);box-shadow:0 10px 30px rgba(23,16,33,.28)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--c-gold),var(--c-gold-press));
  color:#25171f;font-family:var(--f-serif);font-weight:700;font-size:17px;
  box-shadow:0 0 0 1px rgba(233,169,60,.35);
}
.brand-text{font-family:var(--f-serif);font-size:19px;font-weight:700;color:var(--c-light-text);letter-spacing:.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:15px;font-weight:500;color:rgba(246,241,231,.82);
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-gold);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-gold-hover)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-gold)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(233,169,60,.3);background:rgba(233,169,60,.08);
  align-items:center;justify-content:center;padding:0;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(233,169,60,.16);border-color:rgba(233,169,60,.55)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-gold);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-gold);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.3px;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-gold);color:#231738;box-shadow:0 8px 20px rgba(233,169,60,.28)}
.btn-primary:hover{background:var(--c-gold-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(233,169,60,.36)}
.btn-primary:active{background:var(--c-gold-press);transform:translateY(0);box-shadow:0 6px 14px rgba(233,169,60,.24)}
.btn-ghost{background:transparent;border-color:rgba(233,169,60,.6);color:var(--c-gold)}
.btn-ghost:hover{background:rgba(233,169,60,.1);border-color:var(--c-gold);transform:translateY(-1px)}
.btn-light{background:transparent;border-color:var(--c-line);color:var(--c-text)}
.btn-light:hover{border-color:var(--c-gold);color:var(--c-ink);background:rgba(233,169,60,.08)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-gold-press);font-weight:600;font-size:15px}
.text-link .arrow{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--c-ink)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(233,169,60,.14);color:var(--c-gold-press);
}
.badge-jade{background:rgba(47,127,110,.13);color:var(--c-jade-deep)}

/* ---------- Drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;z-index:80;background:rgba(23,16,33,.62);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-panel{
  position:fixed;top:0;right:0;z-index:90;height:100%;
  width:min(330px,86vw);background:var(--c-ink-2);
  border-left:1px solid rgba(233,169,60,.28);
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:22px;padding:22px 22px 40px;overflow-y:auto;
}
body.drawer-open .drawer-overlay{opacity:1;visibility:visible}
body.drawer-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .brand-text{font-size:17px}
.drawer-close{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(233,169,60,.32);
  background:transparent;color:var(--c-gold);font-size:20px;line-height:1;display:grid;place-items:center;
  transition:background .2s var(--ease);
}
.drawer-close:hover{background:rgba(233,169,60,.14)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 12px;border-radius:10px;color:rgba(246,241,231,.86);font-size:15.5px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(233,169,60,.12);color:var(--c-gold)}
.drawer-panel .btn{width:100%}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:26px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted)}
.crumbs a{color:var(--c-muted);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--c-gold-press)}
.crumbs .sep{color:#B9AEC4}
.crumbs .current{color:var(--c-text);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding-top:30px;padding-bottom:80px;align-items:start;
}
.article-main{min-width:0;max-width:820px}
.article-head{padding-bottom:28px;border-bottom:1px solid var(--c-line)}
.article-head .badge{margin-bottom:18px}
.article-head h1{
  font-family:var(--f-serif);font-weight:700;
  font-size:38px;line-height:1.35;letter-spacing:.2px;color:var(--c-ink);
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13.5px;color:var(--c-muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4B8CF}
.article-lead{
  margin-top:22px;padding:20px 22px;border-radius:var(--r-card);
  background:var(--c-paper-2);border-left:3px solid var(--c-gold);
  font-size:15.5px;line-height:1.8;color:#4A3F55;
}
.article-thumb{
  margin-top:26px;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16 / 9;background:var(--c-paper-2);box-shadow:var(--sh-1);
}
.article-thumb img{width:100%;height:100%;object-fit:cover}

.article-body{padding-top:34px;font-size:16px;line-height:1.75;color:var(--c-text)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-family:var(--f-serif);font-weight:700;
  font-size:26px;line-height:1.4;color:var(--c-ink);
  margin:2em 0 .75em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-gold),var(--c-gold-press));
}
.article-body h3{
  font-family:var(--f-sans);font-size:20px;font-weight:700;line-height:1.5;
  color:var(--c-ink);margin:1.7em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;color:var(--c-ink-3)}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;border-left:3px solid var(--c-gold);
  background:var(--c-paper-2);border-radius:0 12px 12px 0;
  font-style:italic;color:#4A3F55;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin-bottom:.55em}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:1.7em 0;box-shadow:var(--sh-1)}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);margin-top:10px;line-height:1.6}
.article-body a{
  color:var(--c-gold-press);text-decoration:underline;text-underline-offset:3px;
  transition:color .2s var(--ease);
}
.article-body a:hover{color:var(--c-ink)}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-paper-2);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}
.article-body code{background:var(--c-paper-2);border-radius:6px;padding:2px 6px;font-size:14px}

.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--c-line);
  border-radius:var(--r-lg);background:#fff;
}
.empty-state .empty-ico{
  width:56px;height:56px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;background:rgba(233,169,60,.14);color:var(--c-gold-press);
  font-family:var(--f-serif);font-size:22px;font-weight:700;
}
.empty-state h2{font-family:var(--f-serif);font-size:22px;color:var(--c-ink);margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:24px}

.article-end{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line);
}
.article-end .note{font-size:13.5px;color:var(--c-muted)}

/* ---------- Aside ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.aside-card h2{
  font-family:var(--f-serif);font-size:16px;font-weight:700;color:var(--c-ink);
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line);
}
.aside-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.aside-list li{display:flex;gap:10px;font-size:14px;line-height:1.65;color:#4A3F55}
.aside-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;
  background:var(--c-jade);margin-top:9px;
}
.aside-articles{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.aside-articles a{
  display:block;font-size:14.5px;line-height:1.6;font-weight:600;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.aside-articles a:hover{color:var(--c-gold-press)}
.aside-articles .meta{display:block;font-size:12.5px;color:var(--c-muted);font-weight:400;margin-top:5px}

/* ---------- Related ---------- */
.related{padding:0 0 88px}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--c-line);
}
.section-head h2{
  font-family:var(--f-serif);font-size:30px;font-weight:700;color:var(--c-ink);line-height:1.3;
}
.section-head .sub{font-size:14px;color:var(--c-muted);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(233,169,60,.7);box-shadow:var(--sh-2)}
.rel-card .thumb{aspect-ratio:16 / 10;overflow:hidden;background:var(--c-paper-2)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;font-weight:700;line-height:1.55;color:var(--c-ink)}
.rel-card .meta{font-size:12.5px;color:var(--c-muted);margin-top:auto}
.rel-card:hover h3{color:var(--c-gold-press)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-ink) 0%,var(--c-ink-3) 100%);
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 82% 18%,rgba(233,169,60,.22),transparent 55%),
                   radial-gradient(circle at 8% 90%,rgba(47,127,110,.22),transparent 52%);
  pointer-events:none;
}
.cta-inner{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;
  align-items:center;gap:36px;
}
.cta-inner h2{font-family:var(--f-serif);font-size:32px;font-weight:700;color:var(--c-light-text);line-height:1.35}
.cta-inner p{margin-top:12px;font-size:15px;color:rgba(246,241,231,.74);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;background:var(--c-ink);color:rgba(246,241,231,.76);
  border-top:1px solid rgba(233,169,60,.28);padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(233,169,60,.6),transparent);
}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:46px;border-bottom:1px solid rgba(246,241,231,.12);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:340px;color:rgba(246,241,231,.66)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-light-text);margin-bottom:16px;letter-spacing:.6px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col li,.footer-col a{font-size:14px;line-height:1.65;color:rgba(246,241,231,.66)}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-gold)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 34px;font-size:13px;color:rgba(246,241,231,.54);
}
.fb-links{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.fb-links a{color:rgba(246,241,231,.66);transition:color .2s var(--ease)}
.fb-links a:hover{color:var(--c-gold)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .article-shell{grid-template-columns:minmax(0,1fr) 272px;gap:40px}
  .article-head h1{font-size:34px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
  .header-actions .btn{display:none}
  .article-shell{grid-template-columns:minmax(0,1fr);padding-bottom:64px}
  .article-aside{position:static;display:none}
  .article-main{max-width:none}
  .article-head h1{font-size:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid .rel-card:last-child{grid-column:1 / -1}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .section-head h2{font-size:26px}
  .crumbs .current{max-width:320px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .brand-text{font-size:16.5px}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .crumb-bar{padding-top:18px}
  .article-shell{padding-top:22px;padding-bottom:52px}
  .article-head h1{font-size:26px;line-height:1.4}
  .article-meta{font-size:13px;gap:8px}
  .article-lead{font-size:15px;padding:16px 18px}
  .article-body{font-size:16px;padding-top:26px}
  .article-body h2{font-size:22px;padding-left:13px}
  .article-body h3{font-size:18px}
  .article-body blockquote{padding:14px 16px}
  .article-end{margin-top:36px}
  .article-end .btn{width:100%}
  .related{padding-bottom:60px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:23px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .related-grid .rel-card:last-child{grid-column:auto}
  .cta-band{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:48px}
  .crumbs .current{max-width:200px}
}

/* roulang page: category1 */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-hover:#F5C061;
  --c-gold-press:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-deep:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-text-light:#F6F1E7;
  --c-text:#241C2E;
  --c-muted:#6C6178;
  --c-line:#E7DFD2;
  --c-line-dark:rgba(233,169,60,.28);
  --c-ok:#3E8E63;
  --c-warn:#D9822B;
  --c-err:#C0432F;
  --r-card:16px;
  --r-card-lg:20px;
  --r-pill:999px;
  --r-sm:10px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --ease:cubic-bezier(.2,.7,.2,1);
  --w:1200px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,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:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  line-height:1.25;
  margin:0;
  letter-spacing:.01em;
}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding:0 40px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(23,16,33,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line-dark);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(23,16,33,.98);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  height:72px;
  transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:62px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-text-light);
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(145deg,var(--c-gold),#B9772A);
  color:#221705;
  font-family:var(--font-serif);
  font-weight:700;
  font-size:18px;
  line-height:1;
  box-shadow:0 0 0 1px rgba(233,169,60,.4);
}
.brand-text{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.06em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:rgba(246,241,231,.78);
  padding:6px 2px;
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--c-gold);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-gold-hover)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-gold)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--c-line-dark);
  color:var(--c-text-light);
  place-items:center;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;
  background:currentColor;
  border-radius:2px;
  position:relative;
}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;
  width:18px;height:2px;background:currentColor;border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle:hover{color:var(--c-gold);border-color:var(--c-gold)}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(15,9,22,.72);
  backdrop-filter:blur(4px);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(330px,86vw);
  height:100%;
  background:var(--c-ink-2);
  border-left:1px solid var(--c-line-dark);
  padding:22px 22px 40px;
  display:flex;
  flex-direction:column;
  gap:22px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--c-line-dark);
  color:var(--c-text-light);
  font-size:22px;
  line-height:1;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-close:hover{color:var(--c-gold);border-color:var(--c-gold)}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:13px 14px;
  border-radius:12px;
  color:rgba(246,241,231,.86);
  font-size:16px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(233,169,60,.1);color:var(--c-gold-hover)}
.drawer-nav a.active{background:rgba(233,169,60,.14);color:var(--c-gold)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1.5px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),opacity .2s var(--ease);
}
.btn-primary{
  background:var(--c-gold);
  color:#221705;
  box-shadow:0 6px 18px rgba(233,169,60,.26);
}
.btn-primary:hover{background:var(--c-gold-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(233,169,60,.34)}
.btn-primary:active{background:var(--c-gold-press);transform:translateY(0)}
.btn-ghost{
  border-color:var(--c-gold);
  color:var(--c-gold);
  background:transparent;
}
.btn-ghost:hover{background:rgba(233,169,60,.1);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(233,169,60,.18);transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-gold-press);
  font-size:14.5px;
  font-weight:600;
  transition:color .2s var(--ease);
}
.link-arrow .arw{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--c-gold)}
.link-arrow:hover .arw{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.03em;
  background:rgba(233,169,60,.12);
  color:var(--c-gold-press);
}
.badge-jade{background:rgba(47,127,110,.12);color:var(--c-jade-deep)}
.badge-dark{background:rgba(233,169,60,.16);color:var(--c-gold)}

/* ---------- 分类页小 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  color:var(--c-text-light);
  padding:70px 0 78px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 78% 18%,rgba(233,169,60,.18),transparent 46%),
    radial-gradient(circle at 12% 88%,rgba(47,127,110,.20),transparent 50%),
    linear-gradient(115deg,rgba(23,16,33,.94) 0%,rgba(23,16,33,.78) 52%,rgba(23,16,33,.5) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(246,241,231,.62);
  margin-bottom:22px;
}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-gold)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--c-gold)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;
  max-width:16em;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--c-gold);
}
.hero-sub{
  font-size:18px;
  color:rgba(246,241,231,.86);
  max-width:36em;
  margin-bottom:10px;
}
.hero-note{
  font-size:14px;
  color:rgba(246,241,231,.58);
  letter-spacing:.04em;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{
  background:var(--c-ink);
  color:var(--c-text-light);
  position:relative;
  overflow:hidden;
}
.section-dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(233,169,60,.10) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.section-dark .container{position:relative;z-index:2}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head .lead{max-width:640px}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  margin-bottom:10px;
}
.section-head p{color:var(--c-muted);font-size:16px}
.section-dark .section-head p{color:rgba(246,241,231,.68)}

/* 金色分隔线 */
.gold-rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,transparent,rgba(233,169,60,.6),transparent);
}

/* ---------- 数据条带 ---------- */
.stats-strip{
  background:var(--c-ink-2);
  border-top:1px solid var(--c-line-dark);
  border-bottom:1px solid var(--c-line-dark);
  padding:52px 0;
  position:relative;
  overflow:hidden;
}
.stats-strip::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(47,127,110,.18) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.stats-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat{border-left:1px solid var(--c-line-dark);padding-left:24px}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{
  display:block;
  font-family:var(--font-serif);
  font-size:clamp(38px,4.6vw,56px);
  font-weight:700;
  line-height:1;
  color:var(--c-gold);
  margin-bottom:10px;
}
.stat-label{
  display:block;
  font-size:16px;
  font-weight:600;
  color:var(--c-text-light);
  margin-bottom:6px;
}
.stat p{font-size:13.5px;line-height:1.6;color:rgba(246,241,231,.6)}

/* ---------- 图文卡网格 ---------- */
.type-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.type-card{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.type-card:hover{
  transform:translateY(-2px);
  border-color:rgba(233,169,60,.75);
  box-shadow:var(--sh-2);
}
.type-thumb{
  position:relative;
  overflow:hidden;
  background:var(--c-paper-2);
  aspect-ratio:1 / 1;
}
.type-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.type-card:hover .type-thumb img{transform:scale(1.04)}
.type-thumb::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:3px;
  background:linear-gradient(90deg,var(--c-gold),rgba(233,169,60,0));
  opacity:0;
  transition:opacity .22s var(--ease);
}
.type-card:hover .type-thumb::after{opacity:1}
.type-body{
  padding:22px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.type-body h3{font-size:19px}
.type-body p{
  font-size:14.5px;
  line-height:1.7;
  color:var(--c-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.type-body .link-arrow{margin-top:auto}

/* ---------- 类型对照条带 ---------- */
.compare-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.compare-item{
  background:var(--c-ink-2);
  border:1px solid var(--c-line-dark);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.compare-item:hover{border-color:rgba(233,169,60,.65);transform:translateY(-2px)}
.compare-item h3{font-size:19px;color:var(--c-text-light);margin-bottom:16px}
.compare-row{
  display:flex;
  justify-content:space-between;
  gap:14px;
  padding:9px 0;
  border-top:1px dashed rgba(233,169,60,.22);
  font-size:14px;
}
.compare-row:first-of-type{border-top:0}
.compare-row dt{color:rgba(246,241,231,.55);flex-shrink:0}
.compare-row dd{margin:0;color:var(--c-text-light);text-align:right}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(233,169,60,.6);box-shadow:var(--sh-1)}
.faq-item[open]{border-color:rgba(233,169,60,.75);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--c-text);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-gold-press)}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--c-line);
  display:grid;
  place-items:center;
  color:var(--c-muted);
  font-size:13px;
  transition:transform .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--c-gold-press);border-color:rgba(233,169,60,.7)}
.faq-body{
  padding:0 24px 22px;
  color:var(--c-muted);
  font-size:15px;
  line-height:1.8;
}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:linear-gradient(160deg,var(--c-ink) 0%,var(--c-ink-3) 100%);
  color:var(--c-text-light);
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(233,169,60,.22),transparent 66%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-100px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,127,110,.24),transparent 68%);
  pointer-events:none;
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.cta-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
.cta-copy p{color:rgba(246,241,231,.72);font-size:16px;margin-bottom:24px}
.cta-points{display:flex;flex-direction:column;gap:12px}
.cta-points li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:rgba(246,241,231,.8);
}
.cta-points li::before{
  content:"";
  flex-shrink:0;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--c-gold);
}
.cta-form{
  background:rgba(246,241,231,.05);
  border:1px solid var(--c-line-dark);
  border-radius:var(--r-card-lg);
  padding:28px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{
  font-size:13.5px;
  font-weight:600;
  color:rgba(246,241,231,.8);
  letter-spacing:.03em;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(246,241,231,.22);
  background:rgba(23,16,33,.55);
  color:var(--c-text-light);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 16px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,241,231,.36)}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-gold);
  box-shadow:0 0 0 3px rgba(233,169,60,.22);
}
.field.invalid input,.field.invalid textarea{
  border-color:var(--c-err);
  box-shadow:0 0 0 3px rgba(192,67,47,.18);
}
.err-msg{font-size:13px;color:#F08A78;min-height:0;display:none}
.field.invalid .err-msg{display:block}
.cta-form .btn{grid-column:1 / -1;justify-self:start;padding-left:34px;padding-right:34px}
.form-note{grid-column:1 / -1;font-size:13.5px;color:var(--c-ok);min-height:20px;margin:0}
.form-note.error{color:#F08A78}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(246,241,231,.72);
  padding:72px 0 36px;
  border-top:1px solid var(--c-line-dark);
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(233,169,60,.08) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.5;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:2}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(246,241,231,.1);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,231,.6);max-width:34em}
.footer-col h4{
  font-size:15px;
  color:var(--c-gold);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:rgba(246,241,231,.6);line-height:1.6}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-gold)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:26px;
  font-size:13.5px;
  color:rgba(246,241,231,.5);
}
.fb-links{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.fb-links a{transition:color .2s var(--ease)}
.fb-links a:hover{color:var(--c-gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
  .cta-grid{gap:40px}
}
@media (max-width:1023px){
  .container{padding:0 28px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links{display:none}
  .menu-toggle{display:grid}
  .page-hero{padding:56px 0 62px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .type-grid{grid-template-columns:1fr;gap:20px}
  .compare-band{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .header-inner{height:60px;gap:14px}
  .site-header.is-scrolled .header-inner{height:56px}
  .brand-text{font-size:16px}
  .brand-mark{width:30px;height:30px;font-size:16px}
  .header-actions .btn{display:none}
  .section{padding:56px 0}
  .section-tight{padding:46px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px}
  .page-hero{padding:44px 0 52px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr;gap:22px}
  .stat{border-left:0;padding-left:0;border-top:1px solid var(--c-line-dark);padding-top:18px}
  .stat:first-child{border-top:0;padding-top:0}
  .type-card{grid-template-columns:1fr}
  .type-thumb{aspect-ratio:16 / 10}
  .type-body{padding:18px 20px}
  .type-body p{-webkit-line-clamp:4}
  .compare-item{padding:22px 20px}
  .cta-band{padding:60px 0}
  .cta-form{grid-template-columns:1fr;padding:20px}
  .cta-form .btn{width:100%;justify-self:stretch}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;padding-bottom:48px}
  .fb-links{gap:14px}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .stat-num{font-size:38px}
  .btn{padding:12px 22px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-hi:#F5C061;
  --c-gold-lo:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-d:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-text:#241C2E;
  --c-text-2:#6C6178;
  --c-line:#E7DFD2;
  --c-line-d:rgba(233,169,60,.28);
  --c-onink:#F6F1E7;
  --c-onink-2:#CFC6DA;
  --r-card:16px;
  --r-lg:20px;
  --r-sm:10px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --w:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",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:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;line-height:1.26;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
::selection{background:rgba(233,169,60,.28);color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 40px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(23,16,33,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--c-line-d);
  transition:background .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(18,12,26,.97)}
.header-inner{
  display:flex;align-items:center;gap:22px;
  height:72px;transition:height .25s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(150deg,var(--c-gold),var(--c-gold-lo));
  color:var(--c-ink);display:grid;place-items:center;
  font-family:var(--font-serif);font-size:18px;font-weight:700;
  box-shadow:0 0 0 1px rgba(233,169,60,.35);
}
.brand-text{
  font-family:var(--font-serif);font-size:17px;font-weight:700;
  color:var(--c-onink);letter-spacing:.02em;white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:999px;
  font-size:14.5px;color:var(--c-onink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--c-gold-hi);background:rgba(233,169,60,.1)}
.nav-links a.active{color:var(--c-gold)}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--c-gold);
}
.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 20px;border-radius:999px;
  background:var(--c-gold);color:var(--c-ink);
  font-size:14px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--c-gold-hi);transform:translateY(-1px);box-shadow:0 8px 20px rgba(233,169,60,.28)}
.nav-cta:active{background:var(--c-gold-lo);transform:none}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line-d);margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background .2s var(--ease);
}
.menu-toggle:hover{background:rgba(233,169,60,.12)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-onink);transition:transform .25s var(--ease),opacity .2s var(--ease)}
body.nav-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .menu-toggle span:nth-child(2){opacity:0}
body.nav-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-gold);color:var(--c-ink);box-shadow:0 8px 22px rgba(233,169,60,.24)}
.btn-primary:hover{background:var(--c-gold-hi);transform:translateY(-1px);box-shadow:0 14px 30px rgba(233,169,60,.32)}
.btn-primary:active{background:var(--c-gold-lo);transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--c-gold);border:1.5px solid rgba(233,169,60,.65)}
.btn-ghost:hover{background:rgba(233,169,60,.12);border-color:var(--c-gold-hi);color:var(--c-gold-hi);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(233,169,60,.2);transform:none}
.btn-ghost-dark{background:transparent;color:var(--c-text);border:1.5px solid rgba(233,169,60,.7)}
.btn-ghost-dark:hover{background:rgba(233,169,60,.12);color:var(--c-ink);transform:translateY(-1px)}
.btn:disabled{opacity:.45;pointer-events:none;transform:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
}
.badge-gold{background:rgba(233,169,60,.12);color:var(--c-gold-lo)}
.badge-jade{background:rgba(47,127,110,.12);color:var(--c-jade-d)}
.badge-onink{background:rgba(233,169,60,.16);color:var(--c-gold)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-ink);color:var(--c-onink);padding:52px 0 62px}
.hero-veil{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(23,16,33,.96) 0%,rgba(23,16,33,.82) 48%,rgba(23,16,33,.62) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.hero-veil::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 82% 18%,rgba(233,169,60,.18) 0%,rgba(233,169,60,0) 52%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-onink-2);margin-bottom:20px}
.crumbs a{color:var(--c-onink-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--c-gold)}
.crumbs span[aria-current]{color:var(--c-gold)}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  line-height:1.2;margin:16px 0 14px;color:#fff;
  letter-spacing:.01em;
}
.page-hero h1 em{font-style:normal;color:var(--c-gold)}
.hero-sub{font-size:18px;color:#E4DCEA;line-height:1.65}
.hero-note{margin-top:8px;font-size:13.5px;color:rgba(246,241,231,.62)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- generic section ---------- */
.section{padding:96px 0}
.section-alt{background:var(--c-paper-2)}
.section-ink{background:var(--c-ink);color:var(--c-onink);position:relative;overflow:hidden}
.section-ink::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 12% 0%,rgba(233,169,60,.14) 0%,rgba(233,169,60,0) 46%);
  pointer-events:none;
}
.section-ink > .container{position:relative;z-index:2}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);margin:12px 0 12px}
.sec-head p{color:var(--c-text-2);font-size:16px}
.section-ink .sec-head h2{color:#fff}
.section-ink .sec-head p{color:rgba(246,241,231,.72)}
.sec-kicker{
  display:inline-block;font-family:var(--font-sans);
  font-size:12.5px;font-weight:700;letter-spacing:.18em;
  color:var(--c-gold-lo);text-transform:uppercase;
}
.section-ink .sec-kicker{color:var(--c-gold)}

/* ---------- doc layout ---------- */
.doc-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:52px;align-items:start}
.doc-nav{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.doc-nav-title{
  font-family:var(--font-serif);font-size:15px;font-weight:700;
  color:var(--c-ink);padding-bottom:12px;margin-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.doc-nav ul{display:flex;flex-direction:column;gap:6px}
.doc-nav a{
  display:block;padding:9px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.doc-nav a:hover{color:var(--c-ink);background:rgba(233,169,60,.1);border-left-color:var(--c-gold)}
.doc-nav a:active{background:rgba(233,169,60,.18)}
.doc-note{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-text-2);
}
.doc-note strong{display:block;color:var(--c-jade-d);font-weight:700;margin-bottom:4px;font-size:13px}

.doc-body{display:flex;flex-direction:column;gap:52px;min-width:0}
.doc-section h2{
  font-size:clamp(22px,2.3vw,30px);
  padding-left:16px;border-left:4px solid var(--c-gold);
  margin:0 0 18px;line-height:1.35;
}
.doc-section h3{
  font-size:19px;margin:26px 0 10px;color:var(--c-ink);font-weight:700;
  font-family:var(--font-sans);
}
.doc-section p{color:#3A3145;margin-bottom:14px}
.doc-section p:last-child{margin-bottom:0}
.lead-p{font-size:17px;color:var(--c-text-2)}
.doc-index{
  display:inline-block;font-family:var(--font-serif);
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-gold-lo);margin-bottom:8px;
}
.tick-list{display:flex;flex-direction:column;gap:10px;margin:16px 0 4px}
.tick-list li{
  position:relative;padding-left:26px;font-size:15.5px;color:#3A3145;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:9px;height:9px;border-radius:50%;
  background:rgba(233,169,60,.28);
  box-shadow:inset 0 0 0 2px var(--c-gold);
}
.doc-figure{margin:26px 0}
.doc-figure img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--c-line)}
.doc-figure figcaption{margin-top:10px;font-size:13px;color:var(--c-text-2)}

.cast-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.cast-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cast-card:hover{transform:translateY(-3px);border-color:rgba(233,169,60,.7);box-shadow:var(--sh-2)}
.cast-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin-bottom:14px}
.cast-card h4{font-size:17px;margin-bottom:6px;color:var(--c-ink)}
.cast-card p{font-size:14px;color:var(--c-text-2);margin:0}
.cast-card .cast-role{
  display:inline-block;margin-top:12px;font-size:12.5px;font-weight:600;
  color:var(--c-jade-d);background:rgba(47,127,110,.1);
  padding:4px 10px;border-radius:999px;
}

.timeline{position:relative;margin-top:26px;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(233,169,60,.85),rgba(233,169,60,.12));
  border-radius:2px;
}
.timeline li{position:relative;padding-bottom:22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:9px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-paper);border:2px solid var(--c-gold);
}
.timeline h4{font-size:17px;margin-bottom:4px;color:var(--c-ink)}
.timeline p{font-size:14.5px;color:var(--c-text-2);margin:0}

/* ---------- scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:8px}
.scene-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.scene-card:nth-child(2){transform:translateY(26px)}
.scene-card:hover,.scene-card:nth-child(2):hover{border-color:rgba(233,169,60,.7);box-shadow:var(--sh-2);transform:translateY(-3px)}
.scene-card:nth-child(2):hover{transform:translateY(23px)}
.scene-card h3{font-size:19px;margin:14px 0 10px;color:var(--c-ink);font-family:var(--font-serif)}
.scene-card p{font-size:15px;color:var(--c-text-2);margin:0}
.scene-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14.5px;font-weight:600;color:var(--c-gold-lo)}
.scene-link .arrow{transition:transform .2s var(--ease)}
.scene-link:hover .arrow{transform:translateX(3px)}
.scene-link:hover{color:var(--c-gold-lo)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{padding:6px 0 6px 0;border-left:1px solid rgba(233,169,60,.28);padding-left:22px}
.stat b{
  display:block;font-family:var(--font-serif);font-weight:700;
  font-size:clamp(38px,4.4vw,56px);line-height:1.05;color:var(--c-gold);
}
.stat span{display:block;margin-top:8px;font-size:14px;color:rgba(246,241,231,.72)}
.stats-note{margin-top:34px;padding-top:22px;border-top:1px solid rgba(233,169,60,.22);font-size:13.5px;color:rgba(246,241,231,.58)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-3px);border-color:rgba(233,169,60,.7);box-shadow:var(--sh-2)}
.step b{
  display:block;font-family:var(--font-serif);font-size:34px;line-height:1;
  color:rgba(233,169,60,.55);margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:8px;color:var(--c-ink);font-family:var(--font-sans);font-weight:700}
.step p{font-size:14.5px;color:var(--c-text-2);margin:0}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:4px 22px;box-shadow:var(--sh-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(233,169,60,.55)}
.faq-item[open]{border-color:rgba(233,169,60,.7);box-shadow:var(--sh-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:17px;font-weight:700;color:var(--c-ink);
  list-style:none;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--c-line);position:relative;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.faq-icon::before{
  content:"";position:absolute;left:50%;top:50%;
  width:7px;height:7px;border-right:1.6px solid var(--c-text-2);border-bottom:1.6px solid var(--c-text-2);
  transform:translate(-50%,-70%) rotate(45deg);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open] .faq-icon{background:rgba(233,169,60,.16);border-color:rgba(233,169,60,.6)}
.faq-item[open] .faq-icon::before{transform:translate(-50%,-30%) rotate(225deg);border-color:var(--c-gold-lo)}
.faq-answer{padding:0 0 20px;border-top:1px solid var(--c-line);margin-top:-2px}
.faq-answer p{padding-top:16px;font-size:15.5px;color:var(--c-text-2);line-height:1.8}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--c-ink-2);color:var(--c-onink);padding:88px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(23,16,33,.94) 0%,rgba(23,16,33,.72) 58%,rgba(44,30,61,.86) 100%),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr auto;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px;color:#fff}
.cta-inner p{font-size:16px;color:rgba(246,241,231,.72);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:var(--c-onink);padding:72px 0 34px;border-top:1px solid var(--c-line-d)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px;border-bottom:1px solid rgba(233,169,60,.18)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(246,241,231,.62);line-height:1.85;max-width:340px}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;font-weight:700;
  color:var(--c-gold);margin-bottom:16px;letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:rgba(246,241,231,.62);line-height:1.7}
.footer-col a{color:rgba(246,241,231,.62);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-gold)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:26px;font-size:13.5px;color:rgba(246,241,231,.5)}
.fb-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.fb-links a{color:rgba(246,241,231,.62);transition:color .2s var(--ease)}
.fb-links a:hover{color:var(--c-gold)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 32px}
  .doc-layout{grid-template-columns:240px minmax(0,1fr);gap:36px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:26px}
}
@media (max-width:1119px){
  .nav-links{
    position:absolute;left:0;right:0;top:100%;
    height:calc(100vh - 64px);
    background:rgba(20,14,28,.985);
    flex-direction:column;justify-content:flex-start;gap:6px;
    padding:34px 24px 48px;margin:0;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{width:100%;max-width:340px;margin:0 auto;text-align:center;font-size:17px;padding:14px 16px;border-radius:12px}
  .nav-links a.active::after{left:50%;right:auto;width:28px;transform:translateX(-50%);bottom:6px}
  .menu-toggle{display:flex}
  .nav-cta{display:none}
  .header-inner{height:64px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .doc-nav{position:static;top:auto;padding:18px 18px 14px}
  .doc-nav-title{margin-bottom:10px;padding-bottom:10px}
  .doc-nav ul{flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
  .doc-nav li{flex:0 0 auto}
  .doc-nav a{
    white-space:nowrap;border:1px solid var(--c-line);border-left:1px solid var(--c-line);
    border-radius:999px;padding:8px 14px;font-size:13.5px;background:var(--c-paper);
  }
  .doc-nav a:hover{background:rgba(233,169,60,.14);border-color:rgba(233,169,60,.6);border-left-color:rgba(233,169,60,.6)}
  .doc-note{margin-top:12px;padding-top:12px}
  .scene-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .scene-card:nth-child(2){transform:none}
  .scene-card:nth-child(2):hover{transform:translateY(-3px)}
  .cast-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 48px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .sec-head{margin-bottom:30px}
  .doc-body{gap:40px}
  .doc-section h2{font-size:22px;padding-left:12px;border-left-width:3px}
  .doc-section h3{font-size:17.5px}
  .cast-grid{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .stat{padding-left:16px}
  .steps{grid-template-columns:minmax(0,1fr)}
  .faq-item{padding:2px 16px}
  .faq-item summary{font-size:15.5px;padding:16px 0;gap:12px}
  .cta-band{padding:60px 0}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer{padding-bottom:48px}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .brand-mark{width:30px;height:30px;font-size:16px}
  .stats{grid-template-columns:minmax(0,1fr)}
  .stat{border-left:0;padding-left:0;border-top:1px solid rgba(233,169,60,.22);padding-top:16px}
  .stat:first-child{border-top:0;padding-top:0}
  .doc-figure img{aspect-ratio:4/3}
}

/* roulang page: category3 */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-hi:#F5C061;
  --c-gold-press:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-deep:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-cream:#F6F1E7;
  --c-text:#241C2E;
  --c-muted:#6C6178;
  --c-line:#E7DFD2;
  --c-line-dark:rgba(233,169,60,.28);
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-sm:10px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --container:1200px;
  --pad-x:40px;
  --sec-y:96px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::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:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad-x);
}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:72px 0;}
.section--paper2{background:var(--c-paper-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--c-gold);
  color:var(--c-ink);
  box-shadow:0 8px 20px rgba(233,169,60,.24);
}
.btn-primary:hover{background:var(--c-gold-hi);transform:translateY(-1px);box-shadow:0 12px 26px rgba(233,169,60,.32);}
.btn-primary:active{background:var(--c-gold-press);transform:translateY(0);box-shadow:0 4px 12px rgba(233,169,60,.24);}
.btn-ghost{
  border-color:rgba(233,169,60,.7);
  color:var(--c-gold);
  background:transparent;
}
.btn-ghost:hover{background:rgba(233,169,60,.1);border-color:var(--c-gold);transform:translateY(-1px);}
.btn-ghost:active{background:rgba(233,169,60,.18);transform:translateY(0);}
.btn-ghost--ink{
  border-color:rgba(201,139,38,.55);
  color:var(--c-ink);
}
.btn-ghost--ink:hover{background:rgba(233,169,60,.12);border-color:var(--c-gold);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--c-gold-press);
  border-bottom:1px solid rgba(201,139,38,.4);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more .arrow{transition:transform .2s var(--ease);}
.link-more:hover{color:var(--c-gold);border-color:var(--c-gold);}
.link-more:hover .arrow{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  background:rgba(233,169,60,.12);
  color:var(--c-gold-press);
  line-height:1.5;
}
.badge--jade{background:rgba(47,127,110,.12);color:var(--c-jade-deep);}
.badge--dark{background:rgba(233,169,60,.16);color:var(--c-gold-hi);}
.tag{
  display:inline-block;
  padding:3px 10px;
  border-radius:var(--r-sm);
  font-size:12.5px;
  font-weight:600;
  background:rgba(47,127,110,.1);
  color:var(--c-jade-deep);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(23,16,33,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line-dark);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(23,16,33,.98);box-shadow:0 10px 30px rgba(10,6,16,.35);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-cream);}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--c-gold),var(--c-gold-press));
  color:var(--c-ink);
  font-family:var(--font-serif);
  font-weight:700;
  font-size:18px;
  flex:none;
}
.brand-text{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;
  padding:9px 13px;
  font-size:14.5px;
  font-weight:500;
  color:rgba(246,241,231,.78);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-gold);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(233,169,60,.08);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-gold);}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(233,169,60,.4);
  border-radius:12px;
  background:transparent;
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  margin:3px auto;
  border-radius:2px;
  background:var(--c-gold);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(12,8,18,.72);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s var(--ease);
}
.drawer.open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:var(--c-ink-2);
  border-left:1px solid var(--c-line-dark);
  padding:22px 22px 40px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(233,169,60,.4);
  background:transparent;
  color:var(--c-gold);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:hover{background:rgba(233,169,60,.14);}
.drawer-brand{margin:4px 0 6px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  padding:12px 14px;
  border-radius:12px;
  color:rgba(246,241,231,.84);
  font-size:15px;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.drawer-links a:hover{background:rgba(233,169,60,.1);color:#fff;}
.drawer-links a.active{color:var(--c-gold);background:rgba(233,169,60,.12);}
.drawer .btn{margin-top:6px;width:100%;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(246,241,231,.62);
}
.crumbs a{color:rgba(246,241,231,.82);transition:color .2s var(--ease);}
.crumbs a:hover{color:var(--c-gold);}
.crumbs span.sep{opacity:.5;}

/* ============ 小号 Hero ============ */
.hero-sub{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(112deg,rgba(23,16,33,.95) 12%,rgba(23,16,33,.78) 58%,rgba(23,16,33,.6) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:var(--c-cream);
  padding:56px 0 64px;
}
.hero-sub::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(233,169,60,.65),transparent);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);
  gap:56px;
  align-items:center;
}
.hero-sub h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,3.8vw,46px);
  line-height:1.22;
  margin:18px 0 16px;
  letter-spacing:.005em;
}
.hero-sub h1 em{
  font-style:normal;
  color:var(--c-gold);
}
.hero-lead{
  font-size:17px;
  color:rgba(246,241,231,.8);
  max-width:36em;
}
.hero-note{
  margin-top:10px;
  font-size:14px;
  color:rgba(246,241,231,.58);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-aside{position:relative;}
.hero-shot{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(233,169,60,.4);
  box-shadow:0 24px 60px rgba(8,4,14,.5);
  transform:rotate(-2deg);
  background:var(--c-paper-2);
}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-chip{
  position:absolute;
  left:-14px;
  bottom:-22px;
  background:var(--c-ink-3);
  border:1px solid rgba(233,169,60,.45);
  border-radius:14px;
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  box-shadow:0 14px 32px rgba(8,4,14,.45);
}
.hero-chip strong{
  font-family:var(--font-serif);
  font-size:24px;
  color:var(--c-gold);
  line-height:1;
}
.hero-chip span{font-size:12.5px;color:rgba(246,241,231,.72);line-height:1.4;}

/* ============ 板块标题 ============ */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{
  color:var(--c-muted);
  font-size:15.5px;
  max-width:44em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--c-gold-press);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--c-gold);
  border-radius:2px;
}

/* ============ 路径条带 ============ */
.flow-wrap{
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
}
.flow-strip{
  display:flex;
  gap:0;
  overflow-x:auto;
  padding:8px 0 4px;
  scrollbar-width:thin;
}
.flow-step{
  position:relative;
  flex:1 1 0;
  min-width:170px;
  padding:38px 18px 6px;
}
.flow-step::before{
  content:"";
  position:absolute;
  top:16px;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,rgba(233,169,60,.25),rgba(233,169,60,.55));
}
.flow-step:first-child::before{background:linear-gradient(90deg,rgba(233,169,60,.05),rgba(233,169,60,.55));}
.flow-step:last-child::before{background:linear-gradient(90deg,rgba(233,169,60,.55),rgba(233,169,60,.05));}
.flow-step::after{
  content:"";
  position:absolute;
  top:9px;left:18px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--c-paper);
  border:2px solid var(--c-gold);
  box-shadow:0 0 0 4px rgba(233,169,60,.12);
}
.flow-step .fs-no{
  font-family:var(--font-serif);
  font-size:13px;
  color:var(--c-gold-press);
  letter-spacing:.14em;
}
.flow-step h3{
  font-size:17px;
  margin:6px 0 6px;
}
.flow-step p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.65;
}

/* ============ 编号步骤列表 ============ */
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) 132px;
  align-items:center;
  gap:26px;
  padding:26px 28px;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-item:hover{
  transform:translateY(-2px);
  border-color:rgba(233,169,60,.75);
  box-shadow:var(--sh-2);
}
.step-num{
  font-family:var(--font-serif);
  font-size:44px;
  line-height:1;
  color:var(--c-gold);
  letter-spacing:-.02em;
  position:relative;
  padding-left:16px;
}
.step-num::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--c-gold),rgba(233,169,60,.15));
}
.step-body h3{font-size:19px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--c-muted);line-height:1.7;}
.step-side{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:10px;
  text-align:right;
}
.step-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;place-items:center;
  background:rgba(47,127,110,.1);
  color:var(--c-jade-deep);
}
.step-icon svg{width:22px;height:22px;}

/* ============ 图文分区 ============ */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-paper-2);
  box-shadow:var(--sh-2);
}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.5vw,32px);
  margin-bottom:16px;
  line-height:1.32;
}
.split-body p{color:var(--c-muted);margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin:20px 0 26px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15.5px;
  color:var(--c-text);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(233,169,60,.16);
  border:1.5px solid var(--c-gold);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:5px;top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-gold);
}

/* ============ 数据条带 ============ */
.stats-band{
  background:linear-gradient(120deg,var(--c-ink) 0%,var(--c-ink-2) 58%,var(--c-ink-3) 100%);
  color:var(--c-cream);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.stats-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle at 82% 18%,rgba(233,169,60,.14),transparent 46%);
  pointer-events:none;
}
.stats-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:38px;
}
.stats-head h2{
  font-family:var(--font-serif);
  font-size:clamp(22px,2.2vw,28px);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px;
  position:relative;
}
.stat{
  border-left:1px solid rgba(233,169,60,.28);
  padding-left:20px;
}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{
  display:block;
  font-family:var(--font-serif);
  font-size:clamp(34px,4vw,50px);
  line-height:1.05;
  color:var(--c-gold);
  letter-spacing:-.01em;
}
.stat b small{font-size:16px;font-weight:600;margin-left:4px;color:rgba(233,169,60,.85);}
.stat span{
  display:block;
  margin-top:10px;
  font-size:14px;
  color:rgba(246,241,231,.66);
  line-height:1.6;
}

/* ============ 作息安排（左窄右宽） ============ */
.rhythm{
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}
.rhythm-aside h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,2.5vw,32px);
  line-height:1.32;
  margin-bottom:14px;
}
.rhythm-aside p{color:var(--c-muted);font-size:15.5px;margin-bottom:22px;}
.rhythm-list{display:flex;flex-direction:column;gap:14px;}
.rhythm-item{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  gap:22px;
  padding:22px 24px;
  border-radius:var(--r-card);
  background:#fff;
  border:1px solid var(--c-line);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.rhythm-item:hover{border-color:rgba(233,169,60,.7);transform:translateX(3px);box-shadow:var(--sh-1);}
.rhythm-item .ri-time{
  font-family:var(--font-serif);
  font-size:15px;
  color:var(--c-jade-deep);
  font-weight:700;
  align-self:start;
  padding-top:2px;
}
.rhythm-item h3{font-size:17px;margin-bottom:6px;}
.rhythm-item p{font-size:14.5px;color:var(--c-muted);line-height:1.68;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(233,169,60,.7);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-gold-press);}
.faq-icon{
  flex:none;
  width:30px;height:30px;
  border-radius:50%;
  border:1px solid rgba(233,169,60,.55);
  display:grid;place-items:center;
  color:var(--c-gold-press);
  font-size:15px;
  font-weight:700;
  transition:transform .25s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(233,169,60,.14);}
.faq-answer{
  padding:0 24px 22px;
  color:var(--c-muted);
  font-size:15px;
  line-height:1.75;
  max-width:62em;
}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:
    linear-gradient(120deg,rgba(23,16,33,.96),rgba(34,23,48,.94)),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  color:var(--c-cream);
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(233,169,60,.6),transparent);
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) auto;
  gap:40px;
  align-items:center;
}
.cta-inner h2{
  font-family:var(--font-serif);
  font-size:clamp(26px,3vw,36px);
  line-height:1.3;
  margin-bottom:14px;
}
.cta-inner p{color:rgba(246,241,231,.72);font-size:16px;max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(246,241,231,.74);
  padding:72px 0 28px;
  border-top:1px solid var(--c-line-dark);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(233,169,60,.18);
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(246,241,231,.6);
  max-width:30em;
}
.footer-col h4{
  font-size:15px;
  color:var(--c-cream);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.65;color:rgba(246,241,231,.6);}
.footer-col a{
  font-size:14px;
  color:rgba(246,241,231,.66);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--c-gold);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(246,241,231,.5);
}
.fb-links{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.fb-links a{color:rgba(246,241,231,.62);transition:color .2s var(--ease);}
.fb-links a:hover{color:var(--c-gold);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--pad-x:32px;--sec-y:84px;}
  .hero-grid{gap:40px;}
  .step-item{grid-template-columns:84px minmax(0,1fr) 116px;gap:22px;padding:24px;}
  .split,.rhythm{gap:40px;}
}
@media (max-width:1023px){
  :root{--pad-x:28px;--sec-y:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-aside{max-width:520px;}
  .hero-shot{transform:none;}
  .hero-chip{left:auto;right:12px;bottom:-18px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
  .rhythm{grid-template-columns:1fr;gap:32px;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .step-item{grid-template-columns:76px minmax(0,1fr);}
  .step-side{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start;text-align:left;}
}
@media (max-width:767px){
  :root{--pad-x:18px;--sec-y:56px;}
  .header-inner{height:60px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:30px;height:30px;font-size:16px;border-radius:9px;}
  .header-actions .btn-sm{display:none;}
  .hero-sub{padding:40px 0 52px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .flow-step{min-width:150px;padding:34px 14px 4px;}
  .step-item{grid-template-columns:1fr;gap:12px;padding:20px;}
  .step-num{font-size:34px;padding-left:12px;}
  .step-side{grid-column:auto;flex-direction:row;justify-content:flex-start;align-items:center;}
  .step-icon{width:38px;height:38px;border-radius:11px;}
  .rhythm-item{grid-template-columns:1fr;gap:8px;padding:18px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 18px;}
  .stat{padding-left:14px;}
  .stat:first-child{padding-left:14px;border-left:1px solid rgba(233,169,60,.28);}
  .stat:nth-child(odd){padding-left:0;border-left:none;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:60px 0;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .site-footer{padding:52px 0 88px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .hero-sub h1{font-size:28px;}
  .flow-step{min-width:136px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat,.stat:first-child{padding-left:0;border-left:none;padding-bottom:18px;border-bottom:1px solid rgba(233,169,60,.16);}
  .stat:last-child{border-bottom:none;padding-bottom:0;}
}

/* roulang page: category5 */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-hi:#F5C061;
  --c-gold-lo:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-deep:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-text:#241C2E;
  --c-text-soft:#6C6178;
  --c-line:#E7DFD2;
  --c-line-dark:rgba(233,169,60,.28);
  --c-light:#F6F1E7;
  --c-ok:#3E8E63;
  --c-warn:#D9822B;
  --c-err:#C0432F;
  --r-card:16px;
  --r-lg:20px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --w:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::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:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);line-height:1.25;color:var(--c-ink);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--w);
  margin:0 auto;
  padding:0 40px;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-jade-deep);text-transform:uppercase;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(47,127,110,.12);
}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:16px 0 12px;}
.section-head p{color:var(--c-text-soft);font-size:16px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(23,16,33,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line-dark);
  transition:background .25s var(--ease);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{
  display:flex;align-items:center;gap:10px;
  color:var(--c-light);font-family:var(--font-serif);
  font-weight:700;font-size:17px;letter-spacing:.02em;white-space:nowrap;
}
.brand-mark{
  display:grid;place-items:center;flex:none;
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--c-gold);
  color:var(--c-gold);font-size:15px;
  background:rgba(233,169,60,.08);
}
.brand:hover .brand-mark{background:rgba(233,169,60,.18);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;display:block;padding:8px 12px;
  font-size:15px;color:rgba(246,241,231,.78);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-gold);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-gold-hi);background:rgba(233,169,60,.08);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-gold);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-gold);color:var(--c-ink);
  font-size:14px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-cta:hover{background:var(--c-gold-hi);transform:translateY(-1px);box-shadow:0 8px 20px rgba(233,169,60,.28);}
.nav-cta:active{background:var(--c-gold-lo);transform:translateY(0);}
.nav-toggle{
  display:none;flex:none;width:42px;height:42px;margin-left:auto;
  border-radius:var(--r-sm);border:1px solid var(--c-line-dark);
  background:transparent;color:var(--c-gold);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(233,169,60,.12);}
.burger{position:relative;display:block;width:18px;height:2px;background:currentColor;border-radius:2px;}
.burger::before,.burger::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.burger::before{top:-6px;}
.burger::after{top:6px;}
.nav-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(23,16,33,.72);
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.nav-drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(330px,86vw);padding:22px;
  background:var(--c-ink-2);border-left:1px solid var(--c-line-dark);
  transform:translateX(100%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.drawer-head span{font-family:var(--font-serif);color:var(--c-gold);font-size:15px;}
.drawer-close{
  width:36px;height:36px;border-radius:50%;cursor:pointer;
  border:1px solid var(--c-line-dark);background:transparent;color:var(--c-light);
  font-size:18px;line-height:1;display:grid;place-items:center;
}
.drawer-close:hover{background:rgba(233,169,60,.14);color:var(--c-gold);}
.drawer-links a{
  display:block;padding:14px 12px;border-radius:var(--r-sm);
  color:var(--c-light);font-size:16px;border-bottom:1px solid rgba(246,241,231,.08);
}
.drawer-links a:hover{background:rgba(233,169,60,.1);color:var(--c-gold-hi);}
.drawer-links a.active{color:var(--c-gold);}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  margin-top:22px;height:46px;border-radius:var(--r-pill);
  background:var(--c-gold);color:var(--c-ink);font-weight:700;font-size:15px;
}
.drawer-cta:hover{background:var(--c-gold-hi);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:var(--c-light);overflow:hidden;
  background:var(--c-ink) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(23,16,33,.95) 0%,rgba(23,16,33,.82) 52%,rgba(23,16,33,.52) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(233,169,60,.16) 0%,rgba(233,169,60,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;padding:62px 0 58px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,241,231,.6);margin-bottom:22px;}
.crumbs a{color:rgba(246,241,231,.78);}
.crumbs a:hover{color:var(--c-gold-hi);}
.crumbs span.sep{color:rgba(246,241,231,.35);}
.page-hero h1{
  font-size:clamp(30px,4vw,42px);
  color:var(--c-light);letter-spacing:.01em;
  max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--c-gold);}
.hero-sub{
  margin-top:18px;max-width:640px;
  font-size:17px;color:rgba(246,241,231,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  color:var(--c-gold);background:rgba(233,169,60,.12);
  border:1px solid rgba(233,169,60,.24);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--c-gold);color:var(--c-ink);}
.btn-primary:hover{background:var(--c-gold-hi);transform:translateY(-1px);box-shadow:0 12px 26px rgba(233,169,60,.28);}
.btn-primary:active{background:var(--c-gold-lo);transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-gold);border-color:var(--c-gold);}
.btn-ghost:hover{background:rgba(233,169,60,.12);transform:translateY(-1px);}
.btn-ghost:active{background:rgba(233,169,60,.2);transform:translateY(0);}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-jade-deep);
  border-bottom:1px solid transparent;transition:color .2s var(--ease);
}
.link-arrow .arw{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--c-gold-lo);}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- 合作方向 ---------- */
.direction-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.dir-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.dir-card:hover{border-color:var(--c-gold);box-shadow:var(--sh-2);transform:translateY(-2px);}
.dir-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-paper-2);}
.dir-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.dir-card:hover .dir-thumb img{transform:scale(1.03);}
.dir-thumb::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--c-gold),rgba(233,169,60,0));
  opacity:0;transition:opacity .22s var(--ease);
}
.dir-card:hover .dir-thumb::after{opacity:1;}
.dir-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.dir-body h3{font-size:19px;}
.dir-body p{font-size:15px;color:var(--c-text-soft);}
.dir-body .link-arrow{margin-top:auto;}

/* ---------- 流程条带 ---------- */
.flow-band{
  position:relative;color:var(--c-light);overflow:hidden;
  background:
    radial-gradient(circle at 12% 18%,rgba(47,127,110,.22),transparent 46%),
    radial-gradient(circle at 88% 82%,rgba(233,169,60,.16),transparent 48%),
    var(--c-ink);
  border-top:1px solid var(--c-line-dark);
  border-bottom:1px solid var(--c-line-dark);
}
.flow-band .section-head h2{color:var(--c-light);}
.flow-band .section-head p{color:rgba(246,241,231,.72);}
.flow-band .eyebrow{color:var(--c-gold);background:rgba(233,169,60,.12);}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.flow-item{
  position:relative;
  padding:26px 22px;border-radius:var(--r-card);
  background:rgba(246,241,231,.04);
  border:1px solid rgba(233,169,60,.22);
  transition:background .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.flow-item:hover{background:rgba(246,241,231,.07);border-color:rgba(233,169,60,.5);transform:translateY(-2px);}
.flow-num{
  display:block;font-family:var(--font-serif);font-size:40px;line-height:1;
  color:var(--c-gold);margin-bottom:14px;letter-spacing:.02em;
}
.flow-item h3{font-size:18px;color:var(--c-light);margin-bottom:8px;}
.flow-item p{font-size:14.5px;color:rgba(246,241,231,.68);line-height:1.7;}

/* ---------- FAQ + 表单 ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:44px;align-items:start;
}
.faq-list{margin-top:4px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item + .faq-item{margin-top:12px;}
.faq-item[open]{border-color:rgba(233,169,60,.6);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 22px;
  font-size:17px;font-weight:700;color:var(--c-ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-gold-lo);}
.faq-ic{
  flex:none;margin-left:auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-gold);color:var(--c-gold);
  display:grid;place-items:center;font-size:13px;line-height:1;
  transition:transform .25s var(--ease),background .2s var(--ease);
}
.faq-item summary:hover .faq-ic{background:rgba(233,169,60,.14);}
.faq-item[open] .faq-ic{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--c-text-soft);}

.form-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-lead{font-size:14px;color:var(--c-text-soft);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink);margin-bottom:7px;letter-spacing:.01em;}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:47px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:var(--c-paper);color:var(--c-text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.65;resize:vertical;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--c-text-soft) 50%),linear-gradient(135deg,var(--c-text-soft) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.field input::placeholder,.field textarea::placeholder{color:#A79DB2;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-gold);background:#fff;
  box-shadow:0 0 0 3px rgba(233,169,60,.22);
}
.field input.is-error,.field textarea.is-error{border-color:var(--c-err);}
.err-text{display:none;margin-top:6px;font-size:13px;color:var(--c-err);}
.err-text.show{display:block;}
.form-note{font-size:13px;color:var(--c-text-soft);margin-top:12px;line-height:1.65;}
.form-status{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  font-size:14px;background:rgba(62,142,99,.1);color:var(--c-ok);
  border:1px solid rgba(62,142,99,.3);
}
.form-status.show{display:block;}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 82% 20%,rgba(233,169,60,.16),transparent 52%),
    linear-gradient(160deg,var(--c-ink-3) 0%,var(--c-ink) 68%);
  color:var(--c-light);
  border-top:1px solid var(--c-line-dark);
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:28px;padding:64px 0;
}
.cta-inner h2{font-size:clamp(24px,3vw,32px);color:var(--c-light);max-width:620px;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(246,241,231,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(246,241,231,.72);font-size:14px;border-top:1px solid var(--c-line-dark);}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;padding:64px 0 44px;
}
.footer-brand .brand{color:var(--c-light);margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,231,.62);max-width:340px;}
.footer-col h4{
  font-family:var(--font-sans);font-size:14px;font-weight:700;
  color:var(--c-gold);margin-bottom:16px;letter-spacing:.04em;
}
.footer-col li{margin-bottom:10px;line-height:1.7;color:rgba(246,241,231,.62);}
.footer-col a{color:rgba(246,241,231,.72);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--c-gold-hi);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;padding:20px 0 28px;
  border-top:1px solid rgba(246,241,231,.1);
  font-size:13px;color:rgba(246,241,231,.5);
}
.fb-links{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.fb-links a{color:rgba(246,241,231,.62);}
.fb-links a:hover{color:var(--c-gold-hi);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .container{padding:0 28px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .section{padding:72px 0;}
  .direction-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .form-card{position:static;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px;}
  .hero-inner{padding:52px 0 48px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-inner{height:60px;}
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:13px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .hero-inner{padding:40px 0 44px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .direction-grid{grid-template-columns:minmax(0,1fr);}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .flow-num{font-size:34px;}
  .faq-item summary{padding:17px 18px;font-size:16px;gap:10px;}
  .faq-body{padding:0 18px 18px;font-size:15px;}
  .form-card{padding:20px;}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:26px;padding:44px 0 32px;}
  .footer-brand p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-bottom:48px;}
}

/* roulang page: category4 */
:root{
  --c-ink:#171021;
  --c-ink-2:#221730;
  --c-ink-3:#2C1E3D;
  --c-gold:#E9A93C;
  --c-gold-h:#F5C061;
  --c-gold-d:#C98B26;
  --c-jade:#2F7F6E;
  --c-jade-d:#1E5C4F;
  --c-paper:#FBF7F1;
  --c-paper-2:#F3EDE4;
  --c-text-light:#F6F1E7;
  --c-text:#241C2E;
  --c-muted:#6C6178;
  --c-line:#E7DFD2;
  --c-line-dark:rgba(233,169,60,.26);
  --r-card:16px;
  --r-card-lg:20px;
  --r-btn:999px;
  --sh-1:0 2px 6px rgba(23,16,33,.06);
  --sh-2:0 18px 44px rgba(23,16,33,.14);
  --tr:220ms cubic-bezier(.2,.7,.2,1);
  --w:1200px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.25;letter-spacing:.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 40px}
.rule-gold{height:1px;background:linear-gradient(90deg,rgba(233,169,60,0),rgba(233,169,60,.55),rgba(233,169,60,0));border:0;margin:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.btn i{font-size:13px;transition:transform var(--tr)}
.btn:hover i{transform:translateX(3px)}
.btn-primary{background:var(--c-gold);color:#1B1226;box-shadow:0 6px 18px rgba(233,169,60,.28)}
.btn-primary:hover{background:var(--c-gold-h);transform:translateY(-1px);box-shadow:0 12px 26px rgba(233,169,60,.36)}
.btn-primary:active{background:var(--c-gold-d);transform:none;box-shadow:0 4px 12px rgba(233,169,60,.22)}
.btn-ghost{border-color:rgba(233,169,60,.65);color:var(--c-gold);background:transparent}
.btn-ghost:hover{background:rgba(233,169,60,.12);border-color:var(--c-gold);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(233,169,60,.2);transform:none}
.btn-ghost.on-light{color:#8A5B12;border-color:rgba(201,139,38,.55)}
.btn-ghost.on-light:hover{background:rgba(233,169,60,.14);border-color:var(--c-gold-d)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:#8A5B12;transition:color var(--tr)}
.link-arrow i{font-size:12px;transition:transform var(--tr)}
.link-arrow:hover{color:var(--c-gold-d)}
.link-arrow:hover i{transform:translateX(3px)}
.link-arrow.on-dark{color:var(--c-gold)}
.link-arrow.on-dark:hover{color:var(--c-gold-h)}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:rgba(233,169,60,.15);color:#8A5B12;
}
.badge-jade{background:rgba(47,127,110,.13);color:var(--c-jade-d)}
.badge.on-dark{background:rgba(233,169,60,.2);color:var(--c-gold)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(23,16,33,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(233,169,60,.24);
  transition:background-color var(--tr),box-shadow var(--tr);
}
.site-header.scrolled{background:rgba(18,12,27,.97);box-shadow:0 10px 30px rgba(10,6,16,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--tr)}
.site-header.scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--c-text-light);flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(150deg,var(--c-gold-h),var(--c-gold-d));
  color:#1B1226;font-family:var(--serif);font-weight:700;font-size:18px;
  box-shadow:0 0 0 1px rgba(233,169,60,.35);
  transition:transform var(--tr);
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04)}
.brand-text{font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-links a{
  position:relative;display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:rgba(246,241,231,.76);
  transition:color var(--tr),background-color var(--tr);
}
.nav-links a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:var(--c-gold);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--tr);
}
.nav-links a:hover{color:var(--c-gold-h);background:rgba(233,169,60,.09)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-gold);background:rgba(233,169,60,.14)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:active{color:var(--c-gold-d)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(233,169,60,.12);border:1px solid rgba(233,169,60,.32);
  cursor:pointer;padding:0;place-items:center;
  transition:background-color var(--tr),border-color var(--tr);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-gold);margin:3px auto;transition:transform var(--tr),opacity var(--tr)}
.nav-toggle:hover{background:rgba(233,169,60,.22);border-color:var(--c-gold)}
.nav-toggle:active{background:rgba(233,169,60,.3)}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(10,6,16,.55);
  opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:linear-gradient(180deg,#1B1226,#171021);
  border-left:1px solid rgba(233,169,60,.28);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:26px;
  transform:translateX(100%);transition:transform 300ms cubic-bezier(.2,.7,.2,1);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.drawer-close{
  width:38px;height:38px;border-radius:50%;padding:0;cursor:pointer;
  background:rgba(233,169,60,.12);border:1px solid rgba(233,169,60,.35);
  color:var(--c-gold);font-size:18px;line-height:1;
  transition:background-color var(--tr),transform var(--tr);
}
.drawer-close:hover{background:rgba(233,169,60,.24);transform:rotate(90deg)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:15.5px;
  color:rgba(246,241,231,.82);border:1px solid transparent;
  transition:background-color var(--tr),color var(--tr),border-color var(--tr);
}
.drawer-nav a:hover{background:rgba(233,169,60,.1);color:var(--c-gold-h);border-color:rgba(233,169,60,.28)}
.drawer-nav a.active{background:rgba(233,169,60,.16);color:var(--c-gold);border-color:rgba(233,169,60,.45)}
.drawer-foot{margin-top:auto;font-size:13px;color:rgba(246,241,231,.5);line-height:1.7}

/* ===== Hero ===== */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--c-ink);color:var(--c-text-light);
}
.hero-bg{
  position:absolute;inset:0;z-index:-3;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center 42%;
  opacity:.42;
}
.hero-veil{
  position:absolute;inset:0;z-index:-2;
  background:linear-gradient(104deg,rgba(23,16,33,.96) 0%,rgba(23,16,33,.86) 44%,rgba(23,16,33,.52) 100%);
}
.hero-scale{
  position:absolute;inset:0;z-index:-1;opacity:.5;
  background-image:repeating-linear-gradient(48deg,rgba(233,169,60,.08) 0 1px,transparent 1px 15px);
}
.hero-inner{position:relative;padding:64px 0 82px;max-width:780px}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(246,241,231,.58);margin-bottom:26px}
.crumb a{transition:color var(--tr)}
.crumb a:hover{color:var(--c-gold)}
.crumb span.sep{color:rgba(246,241,231,.3)}
.crumb .cur{color:rgba(246,241,231,.85)}
.hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.24;color:#FFFDF8;
  margin:18px 0 0;letter-spacing:.01em;
}
.hero h1 em{font-style:normal;color:var(--c-gold);position:relative}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.7;color:rgba(246,241,231,.86);max-width:620px}
.hero-note{margin-top:10px;font-size:13.5px;color:rgba(246,241,231,.55);letter-spacing:.04em}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-meta .tag{
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:rgba(246,241,231,.78);padding:6px 13px;border-radius:999px;
  background:rgba(246,241,231,.07);border:1px solid rgba(246,241,231,.14);
}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section.tight{padding:78px 0}
.section.on-paper{background:var(--c-paper)}
.section.on-paper-2{background:var(--c-paper-2)}
.section.on-ink{background:var(--c-ink);color:var(--c-text-light)}
.sec-head{max-width:726px;margin-bottom:46px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:#8A5B12;margin-bottom:16px;
}
.kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--c-gold)}
.on-ink .kicker{color:var(--c-gold)}
.sec-head h2{font-size:clamp(24px,3vw,34px);color:var(--c-text);line-height:1.3}
.on-ink .sec-head h2{color:#FFFDF8}
.sec-head p{margin-top:14px;font-size:16px;color:var(--c-muted);line-height:1.78}
.on-ink .sec-head p{color:rgba(246,241,231,.68)}

/* ===== 一大两小观察栅格 ===== */
.observe-grid{
  display:grid;grid-template-columns:1.45fr 1fr;grid-template-rows:repeat(2,minmax(200px,1fr));
  gap:22px;
}
.observe-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-card-lg);background:var(--c-ink-2);
  color:var(--c-text-light);box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),transform var(--tr);
  min-height:200px;
}
.observe-card.big{grid-row:span 2;min-height:420px}
.observe-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 560ms cubic-bezier(.2,.7,.2,1);
}
.observe-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,16,33,.06) 22%,rgba(23,16,33,.5) 62%,rgba(23,16,33,.93) 100%);
  transition:opacity var(--tr);
}
.observe-card:hover{transform:translateY(-3px);box-shadow:0 22px 50px rgba(23,16,33,.24)}
.observe-card:hover img{transform:scale(1.045)}
.observe-card::before{
  content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;
  border:1px solid rgba(233,169,60,.22);pointer-events:none;
  transition:border-color var(--tr);
}
.observe-card:hover::before{border-color:rgba(233,169,60,.72)}
.observe-body{
  position:relative;z-index:2;height:100%;min-height:inherit;
  padding:26px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
}
.observe-body h3{font-size:19px;color:#FFFDF8;line-height:1.4}
.observe-card.big .observe-body h3{font-size:24px}
.observe-body p{font-size:14.5px;line-height:1.65;color:rgba(246,241,231,.78)}
.observe-body .badge{align-self:flex-start}

/* ===== 数据条带 ===== */
.stats{
  background:var(--c-ink);color:var(--c-text-light);
  border-top:1px solid var(--c-line-dark);border-bottom:1px solid var(--c-line-dark);
  position:relative;overflow:hidden;
}
.stats::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 280px at 82% 0%,rgba(233,169,60,.14),transparent 68%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);position:relative;z-index:2}
.stat{padding:52px 26px;border-left:1px solid rgba(233,169,60,.16)}
.stat:first-child{border-left:0;padding-left:0}
.stat:last-child{padding-right:0}
.stat-num{
  font-family:var(--serif);font-size:clamp(38px,4.4vw,56px);font-weight:700;
  color:var(--c-gold);line-height:1;letter-spacing:.01em;
}
.stat-num small{font-size:17px;font-family:var(--sans);font-weight:600;margin-left:6px;color:rgba(246,241,231,.65)}
.stat p{margin-top:14px;font-size:14px;line-height:1.65;color:rgba(246,241,231,.66)}

/* ===== 线索卡片网格 ===== */
.clue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.clue-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.clue-card:hover{transform:translateY(-3px);border-color:rgba(233,169,60,.75);box-shadow:var(--sh-2)}
.clue-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-paper-2)}
.clue-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 520ms cubic-bezier(.2,.7,.2,1)}
.clue-card:hover .clue-thumb img{transform:scale(1.05)}
.clue-thumb::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--c-gold),rgba(233,169,60,0));
  transform:scaleX(0);transform-origin:left center;transition:transform var(--tr);
}
.clue-card:hover .clue-thumb::after{transform:scaleX(1)}
.clue-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.clue-body h3{font-size:17px;line-height:1.5;color:var(--c-text)}
.clue-body p{font-size:14.5px;line-height:1.68;color:var(--c-muted)}
.clue-body .link-arrow{margin-top:auto;padding-top:8px;font-size:14px}

/* ===== 阅读方法四步 ===== */
.process-wrap{position:relative}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.process::before{
  content:"";position:absolute;left:22px;right:22px;top:23px;height:1px;
  background:linear-gradient(90deg,rgba(233,169,60,.65),rgba(233,169,60,.12));
}
.p-step{position:relative;padding-top:0}
.p-dot{
  position:relative;z-index:2;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--c-paper);border:1.5px solid var(--c-gold);
  color:#8A5B12;font-family:var(--serif);font-weight:700;font-size:17px;
  box-shadow:0 0 0 6px var(--c-paper);
}
.p-step h3{margin-top:20px;font-size:17.5px;color:var(--c-text)}
.p-step p{margin-top:9px;font-size:14.5px;line-height:1.7;color:var(--c-muted)}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item:hover{border-color:rgba(233,169,60,.6);box-shadow:var(--sh-1)}
.faq-item.open{border-color:rgba(233,169,60,.8);box-shadow:0 0 0 1px rgba(233,169,60,.22)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--c-text);line-height:1.5;
}
.faq-q:hover{color:#8A5B12}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--c-line);
  color:var(--c-muted);font-size:12px;
  transition:transform var(--tr),border-color var(--tr),color var(--tr),background-color var(--tr);
}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--c-gold);color:#8A5B12;background:rgba(233,169,60,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.7,.2,1)}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.78;color:var(--c-muted);max-width:760px}

/* ===== CTA ===== */
.cta{
  position:relative;overflow:hidden;color:var(--c-text-light);
  background:
    radial-gradient(760px 380px at 14% -10%,rgba(233,169,60,.2),transparent 62%),
    linear-gradient(135deg,#171021 0%,#221730 52%,#2C1E3D 100%);
  border-top:1px solid rgba(233,169,60,.28);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(48deg,rgba(233,169,60,.07) 0 1px,transparent 1px 16px);
  opacity:.45;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;padding:82px 0;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.cta h2{font-size:clamp(26px,3.2vw,36px);color:#FFFDF8;line-height:1.3}
.cta h2 em{font-style:normal;color:var(--c-gold)}
.cta-sub{margin-top:16px;font-size:16px;line-height:1.78;color:rgba(246,241,231,.74);max-width:520px}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-card{
  background:rgba(246,241,231,.05);
  border:1px solid rgba(233,169,60,.3);
  border-radius:var(--r-card);padding:26px;
}
.cta-card h3{font-size:15px;color:var(--c-gold);letter-spacing:.06em;margin-bottom:16px}
.cta-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;color:rgba(246,241,231,.78);
  padding:10px 0;border-bottom:1px dashed rgba(246,241,231,.12);
}
.cta-list li:last-child{border-bottom:0;padding-bottom:0}
.cta-list i{color:var(--c-jade);font-size:13px;margin-top:6px}

/* ===== 页脚 ===== */
.site-footer{
  background:#120C1B;color:rgba(246,241,231,.72);
  border-top:1px solid rgba(233,169,60,.26);
  padding-top:64px;font-size:14px;
}
.footer-top{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px}
.footer-brand .brand-text{font-size:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(246,241,231,.58);max-width:330px}
.footer-col h4{
  font-family:var(--sans);font-size:14.5px;font-weight:700;letter-spacing:.05em;
  color:#FFFDF8;margin-bottom:16px;
}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.65;color:rgba(246,241,231,.6)}
.footer-col a{transition:color var(--tr)}
.footer-col a:hover{color:var(--c-gold)}
.footer-bottom{
  border-top:1px solid rgba(246,241,231,.12);
  padding:22px 0 34px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,241,231,.5);
}
.fb-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.fb-links a{transition:color var(--tr)}
.fb-links a:hover{color:var(--c-gold)}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  .container{padding:0 28px}
  .section{padding:76px 0}
  .section.tight{padding:64px 0}
  .brand-text{font-size:15px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .nav-links{gap:0}
  .nav-links a{padding:7px 9px;font-size:13.5px}
  .nav-links a::after{left:9px;right:9px}
  .header-actions .btn{display:none}
  .observe-grid{grid-template-columns:1.25fr 1fr;gap:18px}
  .observe-card.big .observe-body h3{font-size:21px}
  .clue-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:38px 24px;border-left:1px solid rgba(233,169,60,.16)}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .process{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .process::before{display:none}
  .cta-inner{grid-template-columns:1fr;gap:34px;padding:66px 0}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .header-actions .btn{display:inline-flex}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section.tight{padding:50px 0}
  .header-inner{height:60px;gap:14px}
  .site-header.scrolled .header-inner{height:56px}
  .brand-text{font-size:14.5px}
  .header-actions .btn{display:none}
  .hero-inner{padding:44px 0 58px}
  .hero h1{font-size:clamp(26px,7.4vw,32px);line-height:1.3}
  .hero-sub{margin-top:16px;font-size:15.5px}
  .hero-note{font-size:13px}
  .hero-btns{gap:12px;margin-top:26px;flex-direction:column;align-items:stretch}
  .hero-btns .btn{width:100%}
  .hero-meta{margin-top:26px}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:23px}
  .sec-head p{font-size:15px}
  .observe-grid{grid-template-columns:1fr;grid-template-rows:auto;gap:16px}
  .observe-card.big{grid-row:auto;min-height:290px}
  .observe-card{min-height:230px}
  .observe-body{padding:20px}
  .observe-card.big .observe-body h3{font-size:20px}
  .observe-body h3{font-size:17px}
  .clue-grid{grid-template-columns:1fr;gap:18px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:30px 18px}
  .stat-num{font-size:36px}
  .stat-num small{font-size:14px;display:block;margin:6px 0 0}
  .stat p{font-size:13px;margin-top:10px}
  .process{grid-template-columns:1fr;gap:26px}
  .p-dot{width:40px;height:40px;font-size:15px;box-shadow:0 0 0 5px var(--c-paper)}
  .faq-q{font-size:15.5px;padding:17px 18px;gap:14px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .faq-icon{width:26px;height:26px}
  .cta-inner{padding:54px 0;gap:28px}
  .cta-btns{flex-direction:column;align-items:stretch}
  .cta-btns .btn{width:100%}
  .cta-card{padding:20px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .site-footer{padding-top:48px;padding-bottom:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;padding:20px 0 40px}
  .fb-links{gap:14px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0;padding-left:0;padding-right:0;border-top:1px solid rgba(233,169,60,.14)}
  .stat:first-child{border-top:0}
  .badge{font-size:12px;padding:4px 10px}
}