/* roulang page: index */
:root{
  --amber:#E8A33D;
  --amber-dark:#C77D1E;
  --amber-light:#F6C35C;
  --ink:#1F4B45;
  --ink-deep:#173B37;
  --ink-soft:#2F6B5F;
  --green-soft:#DCE9E5;
  --mulberry:#6B3D5A;
  --paper:#FBF7EF;
  --card:#FFFFFF;
  --text:#1D2825;
  --muted:#5E6A64;
  --border:#E7DED0;
  --grad-brand:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
  --grad-nav:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
  --radius-xl:30px;
  --radius-lg:24px;
  --radius-md:16px;
  --shadow-soft:0 18px 50px rgba(31,75,69,.08);
  --shadow-hover:0 24px 60px rgba(31,75,69,.13);
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:800}
::selection{background:rgba(232,163,61,.32);color:#173B37}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:8px}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  position:fixed;top:0;left:0;width:272px;height:100vh;height:100dvh;
  display:flex;flex-direction:column;gap:22px;
  background:var(--grad-nav);color:#F4EFE4;
  padding:26px 20px 22px;z-index:60;overflow-y:auto;
  scrollbar-width:thin;scrollbar-color:rgba(246,195,92,.4) transparent;
}
.sidenav::-webkit-scrollbar{width:6px}
.sidenav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.35);border-radius:99px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  position:relative;flex:none;width:42px;height:42px;border-radius:15px;
  background:var(--grad-brand);box-shadow:0 10px 22px rgba(217,130,43,.35);
}
.brand-mark::before{
  content:"";position:absolute;inset:0;border-radius:15px;
  background-image:radial-gradient(circle at 30% 32%,rgba(255,255,255,.85) 2.2px,transparent 2.6px),
                   radial-gradient(circle at 66% 60%,rgba(23,59,55,.45) 2.2px,transparent 2.6px);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;
  transform:translate(-50%,-50%);border-radius:50%;background:#173B37;opacity:.8;
}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-line1{font-size:12.5px;letter-spacing:.2em;font-weight:700;color:var(--amber-light)}
.brand-line2{font-size:17px;font-weight:800;color:#FFFDF6;letter-spacing:.02em}
.sidenav-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;position:relative}
.nav-label{font-size:11px;letter-spacing:.24em;color:rgba(244,239,228,.42);padding:0 12px 8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:14px;font-size:14.5px;font-weight:600;
  color:rgba(244,239,228,.76);transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item i{font-size:13px;width:16px;text-align:center;color:rgba(246,195,92,.7);transition:color .22s ease}
.nav-num{font-family:var(--font-num);font-size:11px;letter-spacing:.06em;color:rgba(246,195,92,.62);min-width:16px}
.nav-item:hover{background:rgba(246,195,92,.12);color:#FFFDF6;transform:translateX(2px)}
.nav-item:hover i{color:var(--amber-light)}
.nav-item.active{background:rgba(246,195,92,.17);color:#FFFDF6}
.nav-item.active i{color:var(--amber-light)}
.nav-item.active::before{
  content:"";position:absolute;left:-20px;top:11px;bottom:11px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad-brand);
}
.sidenav-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:16px;border-top:1px solid rgba(246,195,92,.16)}
.sidenav-foot .btn{width:100%;font-size:14px;padding:11px 16px;border-radius:13px}
.sidenav-contact{font-size:12.5px;line-height:1.8;color:rgba(244,239,228,.55)}
.sidenav-contact b{display:block;color:rgba(246,195,92,.85);font-weight:700;font-size:11px;letter-spacing:.2em;margin-bottom:2px}

/* ---------- 主内容区 ---------- */
.page{margin-left:272px;min-height:100vh;display:flex;flex-direction:column;padding-bottom:96px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 56px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:800;line-height:1.35;letter-spacing:-.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.18em;color:var(--amber-dark);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad-brand)}
.divider{height:1px;background:var(--border);border:none;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:15px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
}
.btn i{font-size:13px}
.btn-primary{background:var(--grad-brand);color:#173B37;box-shadow:0 12px 28px rgba(217,130,43,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 38px rgba(217,130,43,.34);color:#12332F}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(31,75,69,.42);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#FBF7EF;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,75,69,.22)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#FFFDF6;color:var(--ink);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);background:#FFFFFF}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px}
.link-underline{color:var(--ink);font-weight:700;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;text-decoration-color:rgba(232,163,61,.7);transition:color .2s ease,text-decoration-color .2s ease}
.link-underline:hover{color:var(--amber-dark);text-decoration-color:var(--amber-dark)}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:72px 0 8px;
  background-image:
    linear-gradient(180deg,rgba(251,247,239,.15) 0%,rgba(251,247,239,.9) 62%,#FBF7EF 100%),
    radial-gradient(circle at 1px 1px,rgba(232,163,61,.32) 1px,transparent 0);
  background-size:100% 100%,24px 24px;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:44px;align-items:center}
.hero h1{
  font-size:clamp(2.3rem,3.4vw,3.4rem);line-height:1.24;font-weight:800;
  letter-spacing:-.015em;margin:18px 0 0;
}
.hero h1 em{font-style:normal;color:var(--amber-dark)}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.9;color:var(--muted);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:#fff;border:1px solid var(--border);color:var(--ink);
}
.chip i{color:var(--amber-dark);font-size:11px}
.hero-visual{position:relative}
.hero-figure{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:0 26px 60px rgba(31,75,69,.18);aspect-ratio:4/5;background:#173B37;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(23,59,55,.55) 0%,rgba(31,75,69,.18) 42%,rgba(217,130,43,.5) 100%);
}
.hero-figure-cap{
  position:absolute;left:22px;bottom:22px;right:22px;z-index:2;color:#FFFDF6;
  font-size:13.5px;line-height:1.7;font-weight:600;text-shadow:0 2px 12px rgba(0,0,0,.4);
}
.hero-badges{position:absolute;right:-14px;bottom:34px;display:flex;flex-direction:column;gap:10px;z-index:3}
.badge-pill{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;
  background:#FFFDF6;box-shadow:0 14px 32px rgba(31,75,69,.18);border:1px solid rgba(232,163,61,.35);
}
.badge-pill .num{font-family:var(--font-num);font-size:19px;font-weight:800;color:var(--ink);line-height:1}
.badge-pill .lbl{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.04em}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:44px;padding-top:26px;
  border-top:1px solid var(--border);
}
.hero-stat .n{font-family:var(--font-num);font-size:26px;font-weight:800;color:var(--ink);line-height:1.1}
.hero-stat .t{font-size:12.5px;color:var(--muted);margin-top:4px;letter-spacing:.06em}

/* ---------- 卖点阶梯 ---------- */
.stair{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.stair-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stair-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55)}
.stair-card:nth-child(1){grid-column:span 5}
.stair-card:nth-child(2){grid-column:span 3;margin-top:34px}
.stair-card:nth-child(3){grid-column:span 4;margin-top:-6px}
.stair-num{
  font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:18px;
}
.stair-card h3{font-size:1.16rem;font-weight:800;line-height:1.5}
.stair-card p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.8}
.stair-more{margin-top:auto;padding-top:20px;font-size:13px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px;transition:gap .2s ease,color .2s ease}
.stair-card:hover .stair-more{gap:14px;color:var(--amber-dark)}

/* ---------- 场景演示 ---------- */
.scene-card{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.scene-card + .scene-card{margin-top:32px}
.scene-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(232,163,61,.5)}
.scene-card.reverse .scene-media{order:2}
.scene-media{position:relative;overflow:hidden;min-height:340px;background:#DCE9E5}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-media .tag-on-img{
  position:absolute;left:20px;top:20px;padding:6px 14px;border-radius:999px;
  background:rgba(255,253,246,.94);color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.06em;
}
.scene-body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center}
.scene-body h3{font-size:1.35rem;font-weight:800;line-height:1.45}
.scene-body p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85}
.steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.step{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:12px;
  background:#FDF8EE;border:1px solid rgba(232,163,61,.3);font-size:13px;font-weight:700;color:var(--ink);
}
.step b{font-family:var(--font-num);font-size:12px;color:var(--amber-dark)}

/* ---------- 最新资讯 ---------- */
.news-grid{display:grid;grid-template-columns:3fr 9fr;gap:40px;align-items:start}
.news-side{position:sticky;top:32px;display:flex;flex-direction:column;gap:16px}
.news-side h2{font-size:1.7rem;font-weight:800;line-height:1.4}
.news-side p{color:var(--muted);font-size:14.5px;line-height:1.85}
.news-filter{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.news-filter span{
  font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--border);color:var(--muted);
}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55)}
.news-thumb{
  width:64px;height:64px;border-radius:18px;background:var(--grad-brand);
  display:grid;place-items:center;position:relative;overflow:hidden;flex:none;
}
.news-thumb::before{
  content:"";position:absolute;width:26px;height:26px;border-radius:50%;
  background:rgba(23,59,55,.22);top:-6px;right:-6px;
}
.news-thumb i{color:#173B37;font-size:20px;position:relative;z-index:2}
.news-body{min-width:0}
.news-body h3{font-size:1.02rem;font-weight:800;line-height:1.55;transition:color .2s ease}
.news-card:hover .news-body h3{color:var(--amber-dark)}
.news-body p{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.meta-badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:#FDF8EE;color:var(--ink);border:1px solid rgba(232,163,61,.28);
}
.meta-badge.plain{background:#F2F6F4;border-color:transparent;color:var(--muted);font-family:var(--font-num);letter-spacing:.02em}
.news-arrow{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:#F5F1E7;color:var(--ink);transition:background .2s ease,transform .2s ease,color .2s ease;
}
.news-card:hover .news-arrow{background:var(--grad-brand);transform:translateX(3px);color:#173B37}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;text-align:center;background:var(--card);border:1px dashed var(--border);
  border-radius:var(--radius-lg);
}
.empty-dots{display:flex;gap:8px}
.empty-dots span{width:12px;height:12px;border-radius:50%;background:var(--grad-brand);opacity:.75}
.empty-dots span:nth-child(2){opacity:.5}
.empty-dots span:nth-child(3){opacity:.28}
.empty-state p{color:var(--muted);font-size:14.5px}

/* ---------- 内容依据 ---------- */
.proof-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-xl);
  padding:32px;box-shadow:var(--shadow-soft);
}
.proof-band .item{display:flex;flex-direction:column;gap:6px;padding-left:20px;border-left:2px solid rgba(232,163,61,.45)}
.proof-band .item:first-child{padding-left:0;border-left:none}
.proof-band .n{font-family:var(--font-num);font-size:34px;font-weight:800;color:var(--ink);line-height:1}
.proof-band .t{font-size:14.5px;font-weight:700}
.proof-band .d{font-size:13px;color:var(--muted);line-height:1.7}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.proof-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 28px;box-shadow:var(--shadow-soft);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-card:nth-child(2){margin-top:32px}
.proof-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.5)}
.proof-card h3{font-size:1.1rem;font-weight:800}
.proof-card p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.85}
.proof-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.proof-tags span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink);
  background:var(--green-soft);padding:9px 16px;border-radius:999px;
}
.proof-tags span i{color:var(--ink-soft);font-size:11px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  overflow:hidden;transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(232,163,61,.55);box-shadow:var(--shadow-soft)}
.faq-item[open]{background:#FDF8EE;border-color:rgba(232,163,61,.6);box-shadow:var(--shadow-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:15.5px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:#F2F6F4;color:var(--ink);font-size:12px;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#173B37}
.faq-answer{padding:0 26px 22px;color:var(--muted);font-size:14.5px;line-height:1.9}

/* ---------- 底部 CTA + 表单 ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(135deg,#1F4B45 0%,#173B37 55%,#2F6B5F 100%);
  color:#FFFDF6;padding:56px 52px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;
  box-shadow:0 30px 70px rgba(23,59,55,.24);
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,195,92,.28) 0%,transparent 70%);
}
.cta-card h2{font-size:clamp(1.5rem,2.2vw,1.95rem);font-weight:800;line-height:1.42;position:relative}
.cta-card p{margin-top:16px;color:rgba(255,253,246,.72);font-size:15px;line-height:1.85;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative}
.cta-actions .btn-ghost{border-color:rgba(255,253,246,.5);color:#FFFDF6}
.cta-actions .btn-ghost:hover{background:#FFFDF6;color:var(--ink)}
.form-card{
  position:relative;background:rgba(255,253,246,.07);border:1px solid rgba(246,195,92,.28);
  border-radius:24px;padding:28px;backdrop-filter:blur(2px);
}
.form-card h3{font-size:1.02rem;font-weight:800;margin-bottom:18px;color:#FFFDF6}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:rgba(255,253,246,.72);margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:14px;font-size:14.5px;font-family:inherit;
  background:rgba(255,253,246,.96);color:var(--text);border:1px solid transparent;
  transition:box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.field textarea{min-height:78px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA49E}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);box-shadow:0 0 0 4px rgba(246,195,92,.32);background:#FFFDF6;
}
.field.has-error input,.field.has-error textarea{border-color:#C97FA8;box-shadow:0 0 0 4px rgba(107,61,90,.28)}
.field .err{
  display:none;margin-top:6px;font-size:12.5px;font-weight:700;color:#F0B9D4;
}
.field.has-error .err{display:block}
.form-check{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:rgba(255,253,246,.68);line-height:1.7;margin-top:6px}
.form-check input{width:16px;height:16px;margin-top:2px;accent-color:var(--amber);flex:none}
.form-card .btn{width:100%;margin-top:20px}
.form-note{margin-top:12px;font-size:12px;color:rgba(255,253,246,.5);line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:14px;
  background:rgba(246,195,92,.18);border:1px solid rgba(246,195,92,.45);
  color:#FFE9BE;font-size:13.5px;font-weight:700;
}
.form-success.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,253,246,.72);margin-top:auto;padding:60px 0 40px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(246,195,92,.14) 0%,transparent 70%);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;position:relative}
.footer-brand .brand-line1{font-size:12.5px}
.footer-brand .brand-line2{font-size:18px}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(255,253,246,.6);max-width:26em}
.footer-col h4{font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--amber-light);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,253,246,.72);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--amber-light);padding-left:4px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,253,246,.13);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:rgba(255,253,246,.45);position:relative;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:rgba(246,195,92,.14);border:1px solid rgba(246,195,92,.32);
  color:var(--amber-light);font-size:12.5px;font-weight:700;transition:background .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(246,195,92,.26);transform:translateY(-2px)}

/* ---------- 固定转化条 ---------- */
.convert-bar{
  position:fixed;bottom:0;left:272px;right:0;height:72px;z-index:50;
  display:flex;align-items:center;gap:18px;padding:0 40px;
  background:linear-gradient(180deg,#173B37 0%,#1F4B45 100%);
  box-shadow:0 -12px 32px rgba(23,59,55,.22);
}
.convert-bar .cb-text{font-size:14px;font-weight:700;color:#FFFDF6;display:flex;align-items:center;gap:10px}
.convert-bar .cb-text i{color:var(--amber-light)}
.convert-bar .cb-text span{font-weight:500;color:rgba(255,253,246,.6);font-size:13px}
.convert-bar .cb-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.convert-bar .cb-link{font-size:13.5px;font-weight:700;color:rgba(255,253,246,.82);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(246,195,92,.6);transition:color .2s ease}
.convert-bar .cb-link:hover{color:var(--amber-light)}

/* ---------- 移动端 ---------- */
.mobile-bar{display:none}
.drawer-mask{display:none}
.hamburger{
  width:44px;height:44px;border-radius:13px;background:rgba(246,195,92,.14);
  border:1px solid rgba(246,195,92,.3);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;transition:background .2s ease;
}
.hamburger:hover{background:rgba(246,195,92,.26)}
.hamburger span{display:block;width:19px;height:2px;border-radius:2px;background:#F6C35C;transition:transform .25s ease,opacity .25s ease}
body.nav-open .hamburger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .hamburger span:nth-child(2){opacity:0}
body.nav-open .hamburger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:1023px){
  .sidenav{transform:translateX(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);width:288px;z-index:80;box-shadow:0 0 60px rgba(0,0,0,.35)}
  body.nav-open .sidenav{transform:translateX(0)}
  .drawer-mask{
    display:none;position:fixed;inset:0;background:rgba(23,59,55,.58);z-index:70;
    backdrop-filter:blur(2px);
  }
  body.nav-open .drawer-mask{display:block}
  body.nav-open{overflow:hidden}
  .mobile-bar{
    position:fixed;top:0;left:0;right:0;height:66px;z-index:65;
    display:flex;align-items:center;justify-content:space-between;padding:0 18px;
    background:linear-gradient(180deg,#173B37 0%,#1F4B45 100%);
    box-shadow:0 8px 24px rgba(23,59,55,.22);
  }
  .mobile-bar .brand-line1{font-size:11.5px}
  .mobile-bar .brand-line2{font-size:15px}
  .mobile-bar .brand-mark{width:38px;height:38px;border-radius:13px}
  .page{margin-left:0;padding-top:66px;padding-bottom:110px}
  .container{padding:0 24px}
  .hero{padding:44px 0 4px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure{aspect-ratio:16/11}
  .hero-badges{right:12px;bottom:14px;flex-direction:row;gap:8px}
  .badge-pill{padding:8px 12px}
  .badge-pill .num{font-size:16px}
  .badge-pill .lbl{font-size:11px}
  .section{padding:60px 0}
  .section--tight{padding:44px 0}
  .stair-card:nth-child(1),.stair-card:nth-child(2),.stair-card:nth-child(3){grid-column:span 12;margin-top:0}
  .scene-card{grid-template-columns:1fr}
  .scene-card.reverse .scene-media{order:0}
  .scene-media{min-height:230px;aspect-ratio:16/10}
  .scene-body{padding:26px 24px}
  .news-grid{grid-template-columns:1fr;gap:24px}
  .news-side{position:static}
  .proof-band{grid-template-columns:1fr;gap:18px;padding:24px}
  .proof-band .item{padding-left:16px}
  .proof-band .item:first-child{padding-left:16px;border-left:2px solid rgba(232,163,61,.45)}
  .proof-cards{grid-template-columns:1fr}
  .proof-card:nth-child(2){margin-top:0}
  .cta-card{grid-template-columns:1fr;padding:34px 24px;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .convert-bar{left:0;right:0;height:auto;min-height:70px;padding:10px 16px;flex-wrap:wrap;gap:10px}
  .convert-bar .cb-text{font-size:13px;flex:1 1 100%}
  .convert-bar .cb-actions{margin-left:0;width:100%;justify-content:space-between}
  .convert-bar .btn{padding:10px 18px;font-size:13.5px;border-radius:12px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .hero h1{font-size:1.95rem}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px}
  .hero-stat .n{font-size:22px}
  .section{padding:48px 0}
  .stair-card,.proof-card,.news-card{padding:22px 20px}
  .news-card{grid-template-columns:48px 1fr;gap:14px}
  .news-thumb{width:48px;height:48px;border-radius:14px}
  .news-thumb i{font-size:16px}
  .news-arrow{display:none}
  .faq-item summary{padding:16px 18px;font-size:14.5px;gap:12px}
  .faq-answer{padding:0 18px 18px;font-size:14px}
  .cta-card h2{font-size:1.35rem}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .form-card{padding:20px}
  .btn{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --amber-1:#F6C35C;
  --amber-2:#E8A33D;
  --amber-3:#D9822B;
  --amber-deep:#C77D1E;
  --ink:#1F4B45;
  --ink-deep:#173B37;
  --ink-soft:#2F6B5F;
  --ink-light:#DCE9E5;
  --mulberry:#6B3D5A;
  --bg:#FBF7EF;
  --bg-soft:#F4EFE4;
  --card:#FFFFFF;
  --text:#1D2825;
  --muted:#5E6A64;
  --line:#E7DED0;
  --radius-xl:32px;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 18px 50px rgba(31,75,69,.08);
  --shadow-hover:0 24px 60px rgba(31,75,69,.13);
  --grad:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
  --navgrad:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(rgba(232,163,61,.14) 1px,transparent 1px);
  background-size:26px 26px;
  background-attachment:fixed;
}
a{color:var(--ink);text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:800;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(232,163,61,.35);color:var(--ink-deep);}
:focus-visible{outline:3px solid #2F6B5F;outline-offset:3px;border-radius:6px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#FBF7EF;padding:12px 20px;border-radius:0 0 14px 0;
}
.skip-link:focus{left:0;}

/* ============ 布局骨架 ============ */
.layout{min-height:100vh;}
.content-col{margin-left:272px;display:flex;flex-direction:column;min-height:100vh;}
.site-main{flex:1 0 auto;padding-bottom:40px;}

/* ============ 左侧导航 ============ */
.sidenav{
  position:fixed;left:0;top:0;bottom:0;width:272px;z-index:70;
  background:var(--navgrad);
  color:#E7F1EE;
  padding:26px 20px 22px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
  box-shadow:14px 0 40px rgba(23,59,55,.16);
}
.sidenav::-webkit-scrollbar{width:6px;}
.sidenav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.35);border-radius:99px;}
.brand{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(246,195,92,.22);
  border-radius:var(--radius-md);
  padding:14px 14px;
}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:50%;
  background:
    radial-gradient(circle at 32% 30%, #FFE6B0 0%, #F6C35C 42%, #E8A33D 74%, #C77D1E 100%);
  box-shadow:0 0 0 4px rgba(246,195,92,.16), inset 0 -6px 12px rgba(199,125,30,.45);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:6px;width:2px;height:11px;
  background:rgba(31,75,69,.55);border-radius:2px;transform:translateX(-50%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.24;}
.brand-line1{font-size:14px;font-weight:700;color:#FBE8C4;letter-spacing:.06em;}
.brand-line2{font-size:17px;font-weight:800;color:#FFFFFF;letter-spacing:.03em;}
.nav-label{
  font-size:12px;letter-spacing:.22em;color:rgba(231,241,238,.55);
  padding-left:6px;text-transform:uppercase;
}
.sidenav-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--radius-sm);
  color:#C6DCD5;font-size:15px;position:relative;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item i{width:16px;font-size:14px;opacity:.8;text-align:center;}
.nav-num{font-family:var(--mono);font-size:12px;opacity:.55;width:18px;}
.nav-item:hover{background:rgba(255,255,255,.09);color:#FFFFFF;transform:translateX(3px);}
.nav-item:active{transform:translateX(1px) scale(.99);}
.nav-item.active{
  background:rgba(246,195,92,.16);
  color:#FBE8C4;font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:0 4px 4px 0;background:var(--grad);
}
.nav-item.active i{opacity:1;color:var(--amber-1);}
.sidenav-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid rgba(246,195,92,.18);
  display:flex;flex-direction:column;gap:12px;
}
.sidenav-foot .note{font-size:12.5px;color:rgba(231,241,238,.62);line-height:1.7;}
.sidenav-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#1F4B45;font-weight:800;font-size:14px;
  padding:11px 14px;border-radius:var(--radius-sm);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  box-shadow:0 10px 24px rgba(217,130,43,.28);
}
.sidenav-cta:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,130,43,.36);}
.sidenav-cta:active{transform:scale(.98);}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{display:none;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,59,55,.55);
  backdrop-filter:blur(2px);z-index:90;opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.mobile-drawer{
  position:fixed;left:0;top:0;bottom:0;width:300px;max-width:86vw;z-index:100;
  background:var(--navgrad);color:#E7F1EE;padding:24px 20px;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(-100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  box-shadow:20px 0 60px rgba(0,0,0,.3);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;background:rgba(255,255,255,.1);border:0;color:#FBE8C4;
  width:36px;height:36px;border-radius:12px;font-size:16px;
}
.drawer-close:hover{background:rgba(255,255,255,.2);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ============ 容器 ============ */
.page-wrap{
  max-width:1240px;margin:0 auto;padding:34px 56px 96px;
}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.crumbs a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(232,163,61,.55);}
.crumbs a:hover{color:var(--amber-deep);}
.crumbs .sep{opacity:.45;}
.crumbs .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-hero{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
  padding:38px 40px 34px;
  position:relative;overflow:hidden;
  margin-bottom:26px;
}
.article-hero::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%, rgba(246,195,92,.35), rgba(246,195,92,0) 70%);
  pointer-events:none;
}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;line-height:1.5;
}
.badge-amber{background:var(--grad);color:#173B37;box-shadow:0 8px 20px rgba(217,130,43,.24);}
.badge-ink{background:var(--ink);color:#FBE8C4;}
.badge-soft{background:#EFF4F1;color:var(--ink);border:1px solid #D8E5E0;}
.badge-plum{background:rgba(107,61,90,.1);color:var(--mulberry);border:1px solid rgba(107,61,90,.2);}
.article-hero h1{
  font-size:clamp(1.75rem,3vw,2.5rem);
  line-height:1.32;font-weight:800;color:var(--ink-deep);
  margin-bottom:16px;max-width:26ch;
}
.article-lead{
  font-size:16.5px;color:var(--muted);line-height:1.9;max-width:70ch;
  margin-bottom:22px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
  font-size:13.5px;color:var(--muted);
  padding-top:18px;border-top:1px dashed var(--line);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--amber-deep);font-size:13px;}
.meta-row time{font-family:var(--mono);font-size:13px;color:var(--ink);}

.article-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  margin-bottom:36px;
}

/* ============ 两栏阅读区 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
}
.article-main{min-width:0;}
.prose-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:40px 44px 44px;
}
.article-prose{font-size:17px;line-height:1.92;color:var(--text);word-break:break-word;}
.article-prose > *:first-child{margin-top:0;}
.article-prose h2{
  font-size:clamp(1.3rem,2vw,1.6rem);font-weight:800;color:var(--ink-deep);
  margin:2.1em 0 .8em;padding-left:18px;position:relative;
}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.26em;width:6px;height:1.05em;border-radius:4px;background:var(--grad);
}
.article-prose h3{
  font-size:1.18rem;font-weight:700;color:var(--ink);
  margin:1.8em 0 .6em;
}
.article-prose h4{font-size:1.05rem;font-weight:700;color:var(--ink);margin:1.4em 0 .5em;}
.article-prose p{margin:0 0 1.15em;}
.article-prose strong{color:var(--ink-deep);font-weight:700;}
.article-prose a{
  color:var(--ink);font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(232,163,61,.7);
  transition:color .2s ease,text-decoration-color .2s ease;
}
.article-prose a:hover{color:var(--amber-deep);text-decoration-color:var(--amber-deep);}
.article-prose ul,.article-prose ol{margin:0 0 1.2em;padding-left:1.45em;}
.article-prose ul{list-style:disc;}
.article-prose ol{list-style:decimal;}
.article-prose li{margin-bottom:.5em;}
.article-prose li::marker{color:var(--amber-deep);}
.article-prose blockquote{
  margin:1.7em 0;padding:18px 26px;
  background:var(--bg-soft);
  border-left:5px solid var(--ink);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#2C3A35;font-size:16.5px;
}
.article-prose blockquote p:last-child{margin-bottom:0;}
.article-prose img{
  max-width:100%;height:auto;border-radius:20px;
  margin:1.7em auto;box-shadow:var(--shadow);
}
.article-prose figure{margin:1.7em 0;}
.article-prose figcaption{
  font-size:13px;color:var(--muted);text-align:center;margin-top:10px;
}
.article-prose hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0;}
.article-prose code{
  font-family:var(--mono);font-size:.9em;background:#F4EFE4;color:var(--ink-deep);
  padding:2px 7px;border-radius:6px;
}
.article-prose table{
  width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;
  border-radius:var(--radius-sm);overflow:hidden;
}
.article-prose th,.article-prose td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;
}
.article-prose th{background:var(--bg-soft);color:var(--ink);font-weight:700;}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;
  border:1px dashed var(--line);border-radius:var(--radius-md);
  background:var(--bg-soft);
}
.empty-dots{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%, #FFE6B0 0%, #F6C35C 44%, #E8A33D 76%, #C77D1E 100%);
  box-shadow:0 0 0 10px rgba(246,195,92,.16);
}
.empty-state h2{font-size:1.3rem;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow);
  padding:22px 22px;
}
.side-card h3{
  font-size:14px;letter-spacing:.1em;color:var(--muted);font-weight:700;
  margin-bottom:14px;
}
.side-list{display:flex;flex-direction:column;gap:10px;}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);}
.side-list li b{color:var(--ink);font-weight:600;max-width:62%;text-align:right;word-break:break-all;}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--radius-sm);
  background:var(--bg-soft);border:1px solid transparent;
  font-size:14.5px;font-weight:600;color:var(--ink);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.side-links a:hover{background:#FFFFFF;border-color:rgba(232,163,61,.5);transform:translateX(3px);}
.side-links a i{font-size:12px;color:var(--amber-deep);}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#173B37;font-weight:800;font-size:14.5px;
  padding:13px 16px;border-radius:var(--radius-sm);
  box-shadow:0 12px 26px rgba(217,130,43,.26);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.side-cta:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,130,43,.34);}
.side-cta:active{transform:scale(.98);}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.75;margin-top:14px;}

/* ============ 继续浏览 ============ */
.readmore{margin-top:40px;}
.section-head{margin-bottom:20px;}
.section-head .eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.22em;
  color:var(--amber-deep);font-weight:700;display:block;margin-bottom:8px;
}
.section-head h2{font-size:clamp(1.3rem,2.2vw,1.65rem);color:var(--ink-deep);}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.readmore-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.readmore-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px 22px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.readmore-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55);}
.readmore-card .tag{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;color:var(--amber-deep);font-weight:700;
}
.readmore-card h3{font-size:15.5px;color:var(--ink);line-height:1.5;}
.readmore-card p{font-size:13px;color:var(--muted);line-height:1.75;}
.readmore-card .go{
  margin-top:auto;font-size:13px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.readmore-card:hover .go{color:var(--amber-deep);}

/* ============ 底部转化条 ============ */
.conversion-bar{
  position:fixed;left:272px;right:0;bottom:0;height:72px;z-index:60;
  background:linear-gradient(180deg,rgba(23,59,55,.98),rgba(31,75,69,.98));
  border-top:1px solid rgba(246,195,92,.28);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 44px;
  box-shadow:0 -14px 40px rgba(23,59,55,.18);
}
.conversion-bar .cb-text{
  display:flex;align-items:center;gap:12px;color:#DCE9E5;font-size:14px;min-width:0;
}
.conversion-bar .cb-text i{color:var(--amber-1);}
.conversion-bar .cb-text strong{color:#FFFFFF;font-weight:700;}
.conversion-bar .cb-actions{display:flex;align-items:center;gap:14px;flex-wrap:nowrap;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#173B37;font-weight:800;font-size:14.5px;
  padding:12px 24px;border-radius:var(--radius-sm);border:0;
  box-shadow:0 12px 26px rgba(217,130,43,.3);
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,130,43,.4);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#FBF7EF;font-weight:600;font-size:14px;
  padding:11px 20px;border-radius:var(--radius-sm);border:1.5px solid rgba(251,247,239,.45);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:#FBF7EF;color:var(--ink);border-color:#FBF7EF;transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#173B37 0%,#1B423C 60%,#245248 100%);
  color:#DCE9E5;margin-top:auto;
  padding:56px 0 96px;
}
.site-footer .container{max-width:1240px;margin:0 auto;padding:0 56px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(246,195,92,.18);
}
.footer-brand .brand{background:rgba(255,255,255,.06);border-color:rgba(246,195,92,.2);margin-bottom:16px;display:inline-flex;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(220,233,229,.75);max-width:34ch;}
.footer-col h4{font-size:14px;color:#FBE8C4;letter-spacing:.08em;margin-bottom:14px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{
  color:rgba(220,233,229,.8);font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--amber-1);padding-left:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;
  padding-top:24px;font-size:13px;color:rgba(220,233,229,.6);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:#FBE8C4;font-size:13.5px;font-weight:600;
  padding:8px 16px;border-radius:999px;border:1px solid rgba(246,195,92,.3);
  transition:background .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(246,195,92,.16);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .page-wrap{padding:30px 40px 96px;}
  .site-footer .container{padding:0 40px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:34px;}
}
@media (max-width:1024px){
  .sidenav{display:none;}
  .content-col{margin-left:0;}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    position:sticky;top:0;z-index:65;
    background:linear-gradient(180deg,#173B37 0%,#1F4B45 100%);
    padding:12px 20px;box-shadow:0 8px 26px rgba(23,59,55,.2);
  }
  .mobile-topbar .brand{
    background:transparent;border:0;padding:0;gap:10px;
    border-radius:0;
  }
  .mobile-topbar .brand-mark{width:32px;height:32px;flex:0 0 32px;}
  .mobile-topbar .brand-line1{font-size:11.5px;color:#F3D9A6;}
  .mobile-topbar .brand-line2{font-size:15px;color:#FFFFFF;}
  .burger{
    width:44px;height:44px;border-radius:14px;border:1px solid rgba(246,195,92,.32);
    background:rgba(255,255,255,.08);color:#FBE8C4;font-size:17px;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background .2s ease,transform .2s ease;
  }
  .burger:hover{background:rgba(255,255,255,.18);}
  .burger:active{transform:scale(.95);}
  .conversion-bar{left:0;padding:0 24px;}
  .site-footer{padding-bottom:110px;}
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;}
  .article-side .side-card:first-child{display:none;}
}
@media (max-width:768px){
  .page-wrap{padding:22px 20px 90px;}
  .article-hero{padding:26px 22px 24px;border-radius:var(--radius-lg);}
  .prose-card{padding:26px 22px 30px;border-radius:var(--radius-lg);}
  .article-prose{font-size:16.5px;line-height:1.9;}
  .readmore-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .site-footer .container{padding:0 22px;}
  .conversion-bar{
    height:auto;padding:12px 20px;flex-wrap:wrap;gap:10px;
  }
  .conversion-bar .cb-text{font-size:13px;flex:1 1 100%;}
  .conversion-bar .cb-actions{flex:1 1 100%;}
  .conversion-bar .btn-primary,.conversion-bar .btn-ghost{flex:1;padding:11px 14px;font-size:13.5px;}
}
@media (max-width:520px){
  .article-hero h1{font-size:1.5rem;}
  .meta-row{font-size:12.5px;gap:8px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .readmore-card{padding:18px;}
  .crumbs{font-size:12.5px;}
  .brand-line2{font-size:14px;}
  .btn-primary,.btn-ghost{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --amber:#E8A33D;
  --amber-deep:#C77D1E;
  --amber-light:#F6C35C;
  --ink:#1F4B45;
  --ink-deep:#173B37;
  --ink-soft:#2F6B5F;
  --ink-pale:#DCE9E5;
  --berry:#6B3D5A;
  --bg:#FBF7EF;
  --card:#FFFFFF;
  --text:#1D2825;
  --muted:#5E6A64;
  --line:#E7DED0;
  --r-card:26px;
  --r-lg:30px;
  --r-btn:15px;
  --shadow:0 18px 50px rgba(31,75,69,.08);
  --shadow-hover:0 24px 60px rgba(31,75,69,.13);
  --grad-amber:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
  --grad-ink:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--amber-deep)}
button{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.28;margin:0;color:var(--text);letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(232,163,61,.32)}

/* ---------- 左侧固定导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;width:276px;height:100vh;
  background:var(--grad-ink);
  color:#FBF7EF;
  padding:26px 20px 24px;
  display:flex;flex-direction:column;
  gap:22px;
  overflow-y:auto;
  z-index:60;
  box-shadow:12px 0 40px rgba(23,59,55,.16);
}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.35);border-radius:6px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#FBF7EF}
.brand:hover{color:#FBF7EF}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:50%;
  background:var(--grad-amber);
  position:relative;
  box-shadow:0 0 0 6px rgba(246,195,92,.13);
}
.brand-mark::after{
  content:"";position:absolute;inset:11px;border-radius:50%;
  background:rgba(23,59,55,.62);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-line1{font-size:13px;letter-spacing:3px;color:rgba(251,247,239,.78);font-weight:600}
.brand-line2{font-size:19px;font-weight:800;letter-spacing:1px;color:#FBF7EF}
.nav-label{
  display:block;font-size:11.5px;letter-spacing:3px;color:rgba(220,233,229,.55);
  padding-left:8px;margin-bottom:10px;
}
.sidenav-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 13px;
  border-radius:14px;
  font-size:14.5px;
  color:var(--ink-pale);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{font-size:13px;width:16px;text-align:center;opacity:.85}
.nav-num{
  font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
  font-size:11.5px;letter-spacing:1px;color:rgba(246,195,92,.72);
}
.nav-item:hover{background:rgba(246,195,92,.13);color:#FFFFFF;transform:translateX(2px)}
.nav-item.active{background:#FBF7EF;color:var(--ink-deep);font-weight:700}
.nav-item.active .nav-num{color:var(--amber-deep)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:999px;background:var(--grad-amber);
}
.nav-item:focus-visible{outline:3px solid var(--amber-light);outline-offset:2px}
.side-cta{
  margin-top:auto;
  background:rgba(251,247,239,.08);
  border:1px solid rgba(246,195,92,.25);
  border-radius:20px;
  padding:18px;
}
.side-cta p{font-size:13px;line-height:1.7;color:rgba(251,247,239,.75);margin-bottom:12px}
.side-cta .btn{width:100%;font-size:14px;padding:12px 16px}
.side-note{
  font-size:12.5px;color:rgba(251,247,239,.55);line-height:1.8;
  border-top:1px solid rgba(251,247,239,.14);padding-top:14px;
}
.side-note a{color:rgba(246,195,92,.9)}
.side-note a:hover{color:#F6C35C}

/* ---------- 页面主体容器 ---------- */
.page-shell{margin-left:276px;padding-bottom:120px}
.container{max-width:1240px;margin:0 auto;padding:0 48px;width:100%}

/* ---------- 移动端顶栏 & 抽屉 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:70;
  align-items:center;justify-content:space-between;
  gap:12px;
  padding:12px 18px;
  background:var(--grad-ink);
  box-shadow:0 10px 30px rgba(23,59,55,.2);
}
.mobile-bar .brand-line1{font-size:11px;letter-spacing:2px}
.mobile-bar .brand-line2{font-size:16px}
.hamburger{
  width:44px;height:44px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:13px;border:1px solid rgba(246,195,92,.4);
  background:rgba(251,247,239,.1);color:#FBF7EF;font-size:17px;cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.hamburger:hover{background:rgba(246,195,92,.22)}
.hamburger:active{transform:scale(.96)}
.hamburger:focus-visible{outline:3px solid var(--amber-light);outline-offset:3px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,59,55,.55);
  z-index:80;opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;height:100vh;width:290px;
  background:var(--grad-ink);color:#FBF7EF;
  padding:24px 20px;z-index:90;
  transform:translateX(-104%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
  display:flex;flex-direction:column;gap:20px;
}
.drawer.open{transform:translateX(0)}
.drawer .nav-item{font-size:15px}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
  padding:26px 0 18px;
}
.breadcrumb a{color:var(--ink);font-weight:600}
.breadcrumb a:hover{color:var(--amber-deep)}
.breadcrumb span.sep{color:var(--line)}
.breadcrumb .current{color:var(--muted)}

/* ---------- 分类 Hero ---------- */
.cat-hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:46px 48px;
  color:#FBF7EF;
  background:var(--ink-deep);
  box-shadow:0 26px 60px rgba(23,59,55,.18);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.3;
}
.cat-hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(23,59,55,.95) 0%,rgba(31,75,69,.88) 52%,rgba(47,107,95,.74) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:760px}
.cat-hero-inner h1{
  color:#FFFFFF;
  font-size:clamp(1.9rem,3.1vw,2.7rem);
  margin:16px 0 14px;
  letter-spacing:.3px;
}
.cat-hero-inner p{
  color:rgba(251,247,239,.86);
  font-size:16px;line-height:1.9;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.6px;
  background:rgba(251,247,239,.16);
  color:#FCEBC6;
  border:1px solid rgba(246,195,92,.45);
}
.badge-amber{background:var(--grad-amber);color:var(--ink-deep);border-color:transparent}
.badge-soft{background:var(--ink-pale);color:var(--ink);border-color:transparent}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn i{font-size:13px}
.btn-primary{
  background:var(--grad-amber);color:var(--ink-deep);
  box-shadow:0 12px 28px rgba(232,163,61,.34);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 38px rgba(232,163,61,.44);color:var(--ink-deep)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.btn-ghost{
  background:transparent;border-color:rgba(31,75,69,.45);color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#FBF7EF;transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-ghost:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.btn-on-dark{border-color:rgba(251,247,239,.6);color:#FBF7EF}
.btn-on-dark:hover{background:#FBF7EF;color:var(--ink-deep)}
.btn-sm{padding:11px 20px;font-size:14px;border-radius:13px}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:36px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2rem);margin-top:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:460px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:2.4px;
  color:var(--amber-deep);
  font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-amber);
}

/* ---------- 时间轴 ---------- */
.timeline{list-style:none;position:relative;padding:6px 0 0}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,#F6C35C 0%,#E8A33D 42%,rgba(220,233,229,.9) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:54px;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:0;top:24px;
  width:24px;height:24px;border-radius:50%;
  background:var(--bg);
  border:3px solid var(--amber);
  box-shadow:0 0 0 5px rgba(232,163,61,.14);
  transition:transform .2s ease,box-shadow .2s ease;
}
.tl-item:hover .tl-dot{transform:scale(1.08);box-shadow:0 0 0 7px rgba(232,163,61,.2)}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55)}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;
  background:rgba(232,163,61,.16);color:var(--amber-deep);
}
.tag-ink{background:var(--ink-pale);color:var(--ink)}
.tl-step{
  font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
  font-size:12px;letter-spacing:1.4px;color:var(--muted);
}
.tl-card h3{font-size:1.16rem;margin-bottom:8px}
.tl-card p{color:var(--muted);font-size:15.2px;line-height:1.9}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-tags span{
  font-size:12px;color:var(--ink);
  background:#FBF7EF;border:1px solid var(--line);
  padding:3px 10px;border-radius:999px;
}

/* ---------- 节点卡 ---------- */
.node-grid{display:grid;grid-template-columns:1fr;gap:24px}
.node-card{
  display:grid;grid-template-columns:340px 1fr;gap:0;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.node-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55)}
.node-media{position:relative;overflow:hidden;min-height:230px}
.node-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.node-card:hover .node-media img{transform:scale(1.03)}
.node-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,59,55,.12),rgba(232,163,61,.3));
}
.node-body{padding:26px 30px;display:flex;flex-direction:column;gap:10px}
.node-body h3{font-size:1.2rem}
.node-body p{color:var(--muted);font-size:15.2px;line-height:1.9}
.node-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px}
.node-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:1.5px solid rgba(232,163,61,.7);padding-bottom:2px;
}
.node-link:hover{color:var(--amber-deep);border-color:var(--amber-deep)}
.node-link i{font-size:12px;transition:transform .2s ease}
.node-link:hover i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(232,163,61,.55);box-shadow:0 14px 34px rgba(31,75,69,.07)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:16px;font-weight:700;color:var(--text);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBF7EF}
.faq-item summary:focus-visible{outline:3px solid var(--ink);outline-offset:-3px}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(232,163,61,.16);color:var(--amber-deep);
  font-size:12px;transition:transform .22s ease,background .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad-amber);color:var(--ink-deep)}
.faq-body{
  padding:0 26px 22px;color:var(--muted);font-size:15px;line-height:1.9;
  border-top:1px solid var(--line);margin-top:-1px;padding-top:16px;background:#FBF7EF;
}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:80px 0 0}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:48px 50px;
  background:var(--grad-amber);
  color:var(--ink-deep);
  box-shadow:0 26px 60px rgba(232,163,61,.28);
}
.cta-card::before{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.22);
}
.cta-card::after{
  content:"";position:absolute;right:90px;bottom:-90px;width:180px;height:180px;border-radius:50%;
  background:rgba(31,75,69,.1);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.4rem,2.1vw,1.9rem);max-width:560px}
.cta-inner p{margin-top:10px;color:rgba(23,59,55,.78);font-size:15px;max-width:560px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-dark{background:var(--ink);color:#FBF7EF;box-shadow:0 12px 28px rgba(23,59,55,.28)}
.btn-dark:hover{background:var(--ink-deep);color:#FBF7EF;transform:translateY(-2px)}
.btn-dark:focus-visible{outline:3px solid #FFFFFF;outline-offset:3px}
.btn-outline-dark{border-color:rgba(23,59,55,.55);color:var(--ink-deep);background:transparent}
.btn-outline-dark:hover{background:var(--ink-deep);color:#FBF7EF;transform:translateY(-2px)}

/* ---------- 固定转化条 ---------- */
.dock{
  position:fixed;left:276px;right:0;bottom:0;z-index:55;
  background:linear-gradient(90deg,#173B37 0%,#1F4B45 62%,#2F6B5F 100%);
  color:#FBF7EF;
  box-shadow:0 -12px 34px rgba(23,59,55,.22);
  padding-bottom:env(safe-area-inset-bottom);
}
.dock-inner{
  max-width:1240px;margin:0 auto;padding:12px 48px;
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.dock-text{font-size:14px;color:rgba(251,247,239,.85);line-height:1.6}
.dock-text strong{color:#FCEBC6}
.dock-actions{display:flex;align-items:center;gap:18px;flex:none}
.dock-link{
  color:#FBF7EF;font-size:14px;font-weight:600;
  border-bottom:1.5px solid rgba(246,195,92,.6);padding-bottom:2px;
}
.dock-link:hover{color:#F6C35C;border-color:#F6C35C}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:84px;
  background:var(--grad-ink);
  color:#FBF7EF;
  padding:60px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:38px;border-bottom:1px solid rgba(251,247,239,.16);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(251,247,239,.7);max-width:340px}
.footer-col h4{font-size:14px;letter-spacing:2px;color:#FCEBC6;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(251,247,239,.78)}
.footer-col a:hover{color:#F6C35C}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(251,247,239,.58);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:#FBF7EF;font-size:13.5px;font-weight:600;
  padding:9px 16px;border-radius:999px;
  border:1px solid rgba(246,195,92,.45);
  transition:background .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(246,195,92,.18);color:#FBF7EF;transform:translateY(-2px)}
.to-top:focus-visible{outline:3px solid var(--amber-light);outline-offset:3px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .side-nav{display:none}
  .page-shell{margin-left:0}
  .mobile-bar{display:flex}
  .container{padding:0 28px}
  .dock{left:0}
  .dock-inner{padding:12px 28px;min-height:68px}
  .cat-hero-card{padding:36px 32px}
  .node-card{grid-template-columns:1fr}
  .node-media{min-height:200px;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:56px 0 0}
  .cta-wrap{padding:60px 0 0}
  .site-footer{margin-top:64px;padding:48px 0 22px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .dock-inner{
    padding:10px 20px;flex-wrap:wrap;justify-content:center;gap:10px;
    min-height:auto;text-align:center;
  }
  .dock-text{font-size:13px;max-width:100%}
  .dock-actions{width:100%;justify-content:center;gap:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head p{max-width:100%}
  .cat-hero-inner h1{font-size:1.6rem}
  .cat-hero-card{padding:30px 24px;border-radius:24px}
  .tl-item{padding-left:42px}
  .timeline::before{left:9px}
  .tl-dot{width:20px;height:20px;top:22px}
  .tl-card{padding:20px 22px}
  .node-body{padding:22px 22px}
  .cta-card{padding:32px 24px;border-radius:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .faq-item summary{padding:17px 20px;font-size:15px}
  .faq-body{padding:14px 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .page-shell{padding-bottom:150px}
}
@media (max-width:520px){
  .btn{width:100%}
  .hero-actions{width:100%}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .brand-line2{font-size:15px}
  .breadcrumb{font-size:12.5px;padding:18px 0 14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --amber:#E8A33D;
    --amber-deep:#C77D1E;
    --apricot:#F6C35C;
    --ink:#1F4B45;
    --ink-deep:#173B37;
    --mint:#DCE9E5;
    --mulberry:#6B3D5A;
    --paper:#FBF7EF;
    --card:#FFFFFF;
    --text:#1D2825;
    --muted:#5E6A64;
    --border:#E7DED0;
    --grad-amber:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
    --grad-ink:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
    --shadow-sm:0 18px 50px rgba(31,75,69,.08);
    --shadow-lg:0 24px 60px rgba(31,75,69,.13);
    --r-xl:32px;
    --r-lg:26px;
    --r-md:20px;
    --r-btn:15px;
    --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:17px;
    line-height:1.88;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;}
  a{color:var(--ink);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
  a:hover{color:var(--amber-deep);}
  p{margin:0 0 1.1em;}
  p:last-child{margin-bottom:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:-.01em;}
  button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
  input,textarea{font:inherit;}
  :focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px;}
  ::selection{background:rgba(232,163,61,.32);}

  /* ============ 左侧竖向导航 ============ */
  .sidenav{
    position:fixed;
    inset:0 auto 0 0;
    width:280px;
    display:flex;
    flex-direction:column;
    gap:26px;
    padding:30px 20px 26px;
    background:var(--grad-ink);
    color:#EAF2EF;
    overflow-y:auto;
    z-index:60;
    scrollbar-width:thin;
    scrollbar-color:rgba(246,195,92,.45) transparent;
  }
  .sidenav::-webkit-scrollbar{width:6px;}
  .sidenav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.4);border-radius:999px;}
  .brand-wrap{padding:6px 8px 18px;border-bottom:1px solid rgba(255,255,255,.14);}
  .brand{display:flex;align-items:center;gap:12px;}
  .brand-mark{
    position:relative;
    flex:0 0 auto;
    width:36px;height:36px;
    border-radius:50%;
    background:var(--grad-amber);
    box-shadow:0 8px 20px rgba(217,130,43,.4);
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    top:8px;left:9px;
    width:9px;height:9px;
    border-radius:50%;
    background:rgba(255,255,255,.7);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-line1{font-size:13px;letter-spacing:.22em;color:#F6C35C;font-weight:600;}
  .brand-line2{font-size:18px;font-weight:800;color:#FFFFFF;letter-spacing:.02em;}
  .brand-note{margin:14px 0 0;font-size:12px;letter-spacing:.16em;color:#9FBDB4;}
  .nav-label{
    display:block;
    padding:0 12px 10px;
    font-size:12px;
    letter-spacing:.2em;
    color:#8FB2A8;
  }
  .sidenav-nav{display:flex;flex-direction:column;gap:4px;}
  .nav-item{
    position:relative;
    display:flex;
    align-items:center;
    gap:11px;
    padding:11px 14px;
    border-radius:14px;
    font-size:15px;
    color:#C9DCD5;
    transition:background .22s ease,color .22s ease,transform .22s ease;
  }
  .nav-item i{width:18px;font-size:14px;color:#8FB2A8;transition:color .22s ease;}
  .nav-item .nav-num{font-family:var(--mono);font-size:12px;color:#7E9F95;letter-spacing:.06em;}
  .nav-item:hover{background:rgba(255,255,255,.08);color:#FFFFFF;transform:translateX(2px);}
  .nav-item:hover i{color:var(--apricot);}
  .nav-item.active{
    background:#F7F0E2;
    color:var(--ink);
    font-weight:700;
    box-shadow:0 10px 26px rgba(6,30,27,.24);
  }
  .nav-item.active .nav-num{color:var(--amber-deep);}
  .nav-item.active i{color:var(--amber-deep);}
  .nav-item.active::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:4px;height:22px;
    border-radius:0 4px 4px 0;
    background:var(--grad-amber);
  }
  .sidenav-foot{
    margin-top:auto;
    padding:20px 12px 0;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-direction:column;
    gap:8px;
  }
  .foot-title{font-size:12px;letter-spacing:.2em;color:#8FB2A8;margin:0 0 2px;}
  .sidenav-foot a{font-size:14px;color:#C9DCD5;}
  .sidenav-foot a:hover{color:var(--apricot);}
  .foot-contact{margin:10px 0 0;font-size:13px;color:#9FBDB4;font-family:var(--mono);}

  /* ============ 移动端顶部导航 ============ */
  .mobile-topbar{
    display:none;
    position:fixed;
    top:0;left:0;right:0;
    z-index:70;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    padding:10px 18px;
    background:var(--grad-ink);
    box-shadow:0 12px 30px rgba(11,40,36,.28);
  }
  .brand-sm .brand-mark{width:30px;height:30px;}
  .brand-sm .brand-line1{font-size:11px;letter-spacing:.18em;}
  .brand-sm .brand-line2{font-size:15px;}
  .burger{
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:44px;height:44px;
    padding:0 11px;
    border-radius:13px;
    background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.18);
    transition:background .2s ease;
  }
  .burger span{display:block;height:2px;border-radius:2px;background:#F6EFE2;}
  .burger:hover{background:rgba(255,255,255,.18);}
  .drawer-overlay{
    position:fixed;inset:0;
    z-index:80;
    background:rgba(15,44,40,.62);
    backdrop-filter:blur(2px);
    opacity:0;
    pointer-events:none;
    transition:opacity .28s ease;
  }
  .drawer-overlay.open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;
    top:0;bottom:0;left:0;
    z-index:90;
    width:290px;
    max-width:86vw;
    display:flex;
    flex-direction:column;
    gap:20px;
    padding:22px 18px 28px;
    background:var(--grad-ink);
    color:#EAF2EF;
    overflow-y:auto;
    transform:translateX(-104%);
    transition:transform .32s cubic-bezier(.4,0,.2,1);
  }
  .drawer.open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .drawer-close{
    width:38px;height:38px;
    border-radius:12px;
    display:grid;place-items:center;
    color:#F6EFE2;
    background:rgba(255,255,255,.1);
    transition:background .2s ease;
  }
  .drawer-close:hover{background:rgba(255,255,255,.2);}
  .drawer-cta{justify-content:center;}
  .drawer-contact{margin:0;font-size:13px;color:#9FBDB4;font-family:var(--mono);}

  /* ============ 主体框架 ============ */
  .page-shell{margin-left:280px;}
  .main{
    min-height:100vh;
    padding-bottom:132px;
    background:
      radial-gradient(circle at 88% 4%,rgba(246,195,92,.16) 0,transparent 42%),
      radial-gradient(circle at 6% 72%,rgba(220,233,229,.6) 0,transparent 46%),
      var(--paper);
  }
  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 56px;
  }
  .hero-wrap{padding-top:46px;}
  .section{margin-top:88px;}
  .section + .section{margin-top:88px;}

  /* ============ 面包屑 ============ */
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.72);
    margin-bottom:20px;
  }
  .crumbs a{color:rgba(255,255,255,.82);}
  .crumbs a:hover{color:var(--apricot);}
  .crumbs .sep{opacity:.55;}
  .crumbs [aria-current]{color:#FFFFFF;font-weight:600;}

  /* ============ 分类 Hero ============ */
  .cat-hero{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-xl);
    padding:34px 44px 42px;
    color:#F4F8F6;
    background-image:
      linear-gradient(104deg,rgba(20,56,52,.94) 0%,rgba(23,59,55,.86) 46%,rgba(217,130,43,.44) 100%),
      url("/assets/images/backpic/back-2.webp");
    background-size:cover;
    background-position:center;
    box-shadow:var(--shadow-lg);
  }
  .cat-hero::after{
    content:"";
    position:absolute;
    right:-70px;bottom:-90px;
    width:280px;height:280px;
    border-radius:50%;
    background:radial-gradient(circle at 30% 30%,rgba(246,195,92,.34),rgba(246,195,92,0) 70%);
    pointer-events:none;
  }
  .hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 16px;
    border-radius:999px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--ink);
    background:linear-gradient(135deg,#FBE3B4,#F6C35C);
    box-shadow:0 10px 22px rgba(11,40,36,.24);
  }
  .cat-hero h1{
    margin:20px 0 16px;
    font-size:clamp(2.05rem,3.2vw,2.9rem);
    line-height:1.28;
    max-width:18em;
    color:#FFFFFF;
  }
  .hero-lead{
    max-width:44em;
    font-size:16.5px;
    line-height:1.9;
    color:rgba(244,248,246,.9);
    margin:0 0 26px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .hero-tags span{
    padding:6px 14px;
    border-radius:999px;
    font-size:12.5px;
    letter-spacing:.06em;
    color:#EAF2EF;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    padding:13px 26px;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:700;
    letter-spacing:.02em;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
    cursor:pointer;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--grad-amber);
    color:#1B3934;
    box-shadow:0 14px 30px rgba(217,130,43,.32);
  }
  .btn-primary:hover{
    filter:brightness(1.05);
    transform:translateY(-2px);
    box-shadow:0 20px 40px rgba(217,130,43,.4);
    color:#12302B;
  }
  .btn-primary:active{transform:translateY(0) scale(.98);}
  .btn-ghost{
    background:transparent;
    border:1.5px solid rgba(31,75,69,.5);
    color:var(--ink);
  }
  .btn-ghost:hover{background:var(--ink);color:#FBF7EF;border-color:var(--ink);transform:translateY(-2px);}
  .btn-ghost:active{transform:translateY(0) scale(.98);}
  .btn-ghost-light{
    background:transparent;
    border:1.5px solid rgba(255,255,255,.55);
    color:#F7F2E7;
  }
  .btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#FFFFFF;border-color:#FFFFFF;transform:translateY(-2px);}
  .btn-ghost-light:active{transform:translateY(0) scale(.98);}

  /* ============ 区块标题 ============ */
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
  .section-head .kicker{
    display:inline-block;
    margin-bottom:10px;
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:.24em;
    color:var(--amber-deep);
  }
  .section-head h2{
    font-size:clamp(1.55rem,2.2vw,2.05rem);
    max-width:22em;
  }
  .section-head p{
    max-width:38em;
    margin:0;
    font-size:15.5px;
    color:var(--muted);
  }

  /* ============ 关系总览 ============ */
  .overview-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr;
    gap:28px;
    align-items:start;
  }
  .center-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .center-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(232,163,61,.45);}
  .center-media{position:relative;overflow:hidden;aspect-ratio:16/10;}
  .center-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .center-card:hover .center-media img{transform:scale(1.03);}
  .center-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(23,59,55,0) 42%,rgba(23,59,55,.68) 100%);
  }
  .center-media .name-plate{
    position:absolute;
    left:24px;bottom:20px;
    z-index:2;
    color:#FFFFFF;
  }
  .center-media .name-plate strong{display:block;font-size:26px;font-weight:800;letter-spacing:.02em;}
  .center-media .name-plate span{font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.08em;}
  .center-body{padding:26px 30px 30px;}
  .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:16px;}
  .tag{
    padding:5px 13px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.04em;
    color:var(--ink);
    background:var(--mint);
  }
  .tag-amber{background:rgba(246,195,92,.3);color:#7A4A08;}
  .tag-dark{background:var(--ink);color:#F6EFE2;}
  .tag-line{border:1px solid var(--border);background:#fff;color:var(--muted);}
  .center-body h3{font-size:1.32rem;margin-bottom:12px;}
  .center-body p{font-size:15.5px;color:#37443F;line-height:1.9;}

  .rel-panel{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-sm);
    padding:26px 26px 14px;
  }
  .rel-panel h3{font-size:1.12rem;margin-bottom:6px;}
  .rel-panel .rel-note{font-size:13.5px;color:var(--muted);margin:0 0 16px;}
  .rel-item{padding:15px 0;border-top:1px solid var(--border);}
  .rel-item:first-of-type{border-top:0;}
  .rel-item .who{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--text);}
  .rel-item .who i{color:var(--amber-deep);font-size:13px;}
  .rel-item .line-tag{
    display:inline-block;
    margin-left:auto;
    padding:2px 10px;
    border-radius:999px;
    font-size:11.5px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--ink);
    background:var(--mint);
  }
  .rel-item p{margin:7px 0 0;font-size:14.5px;color:var(--muted);line-height:1.8;}

  /* ============ 人物卡错落网格 ============ */
  .people-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:26px;
    align-items:start;
  }
  .people-grid > *:nth-child(even){margin-top:34px;}
  .person-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .person-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(232,163,61,.45);}
  .person-media{overflow:hidden;aspect-ratio:16/10;}
  .person-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
  .person-card:hover .person-media img{transform:scale(1.03);}
  .person-body{padding:22px 26px 26px;}
  .person-body h3{font-size:1.16rem;margin-bottom:8px;}
  .person-body .role{font-size:12.8px;letter-spacing:.08em;color:var(--amber-deep);font-weight:700;margin-bottom:10px;display:block;}
  .person-body p{font-size:15px;color:#38453F;line-height:1.85;}

  /* ============ 三层关系线 ============ */
  .layer-list{display:flex;flex-direction:column;gap:16px;}
  .layer-row{
    display:grid;
    grid-template-columns:74px 1fr auto;
    align-items:center;
    gap:22px;
    padding:24px 28px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-sm);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
  }
  .layer-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(232,163,61,.5);background:#FFFDF8;}
  .layer-num{
    font-family:var(--mono);
    font-size:26px;
    font-weight:700;
    color:var(--amber);
    letter-spacing:.04em;
  }
  .layer-row h3{font-size:1.08rem;margin-bottom:6px;}
  .layer-row p{margin:0;font-size:14.8px;color:var(--muted);line-height:1.8;}
  .layer-row .layer-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}

  /* ============ FAQ ============ */
  .faq-list{display:flex;flex-direction:column;gap:14px;}
  .faq-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-md);
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:rgba(232,163,61,.5);box-shadow:var(--shadow-lg);}
  .faq-item summary{
    display:flex;
    align-items:center;
    gap:16px;
    padding:20px 26px;
    font-size:16px;
    font-weight:700;
    color:var(--text);
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";
    margin-left:auto;
    font-family:var(--mono);
    font-size:22px;
    line-height:1;
    color:var(--amber-deep);
    transition:transform .26s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-item[open] summary{background:#FDF8EE;}
  .faq-answer{padding:0 26px 22px;background:#FDF8EE;font-size:15.4px;color:#3A4742;line-height:1.88;}
  .faq-answer p{margin:0;}

  /* ============ 底部 CTA ============ */
  .cta-band{
    margin-top:88px;
    border-radius:var(--r-xl);
    padding:46px 48px;
    color:#F5F9F7;
    background:linear-gradient(118deg,#173B37 0%,#1F4B45 52%,#2F6B5F 100%);
    box-shadow:var(--shadow-lg);
    display:grid;
    grid-template-columns:1.35fr 1fr;
    gap:34px;
    align-items:center;
    position:relative;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    right:-60px;top:-80px;
    width:260px;height:260px;
    border-radius:50%;
    background:radial-gradient(circle at 40% 40%,rgba(246,195,92,.3),rgba(246,195,92,0) 70%);
  }
  .cta-band h2{font-size:clamp(1.5rem,2.1vw,1.95rem);margin-bottom:14px;color:#FFFFFF;}
  .cta-band p{font-size:15.5px;color:rgba(245,249,247,.84);margin:0;max-width:34em;}
  .cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;position:relative;z-index:2;}
  .cta-actions .btn{width:100%;}
  .cta-links{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;}
  .cta-links a{color:#F6C35C;border-bottom:1px solid rgba(246,195,92,.45);padding-bottom:2px;}
  .cta-links a:hover{color:#FFFFFF;border-color:#FFFFFF;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:96px;
    background:var(--grad-ink);
    color:#DCE9E5;
    padding:60px 0 26px;
  }
  .site-footer .container{padding:0 56px;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1fr;
    gap:38px;
  }
  .footer-brand p{margin:18px 0 0;font-size:14.5px;line-height:1.85;color:#AFCBC3;max-width:34em;}
  .footer-col h4{font-size:14px;letter-spacing:.14em;color:#FFFFFF;margin-bottom:16px;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14.5px;color:#C4D9D2;}
  .footer-col a:hover{color:var(--apricot);}
  .footer-bottom{
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.14);
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    font-size:13.5px;
    color:#9FBDB4;
  }
  .to-top{display:inline-flex;align-items:center;gap:8px;color:#F6C35C;font-size:13.5px;}
  .to-top:hover{color:#FFFFFF;}

  /* ============ 底部转化条 ============ */
  .bottom-bar{
    position:fixed;
    left:280px;right:0;bottom:0;
    z-index:55;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:13px 32px;
    background:linear-gradient(90deg,#173B37 0%,#1F4B45 62%,#2A6156 100%);
    color:#EAF2EF;
    box-shadow:0 -14px 34px rgba(14,44,40,.24);
  }
  .bottom-bar .bar-text{font-size:14.5px;color:#C9DCD5;margin:0;}
  .bottom-bar .bar-text strong{color:#FFFFFF;font-weight:700;}
  .bar-actions{display:flex;align-items:center;gap:18px;}
  .bar-actions .link-soft{font-size:14px;color:#F6C35C;border-bottom:1px solid rgba(246,195,92,.4);padding-bottom:2px;}
  .bar-actions .link-soft:hover{color:#FFFFFF;border-color:#FFFFFF;}
  .bottom-bar .btn{padding:10px 22px;font-size:14px;}

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .container{padding:0 40px;}
    .site-footer .container{padding:0 40px;}
    .overview-grid{grid-template-columns:1.35fr 1fr;}
  }
  @media (max-width:1023px){
    .sidenav{display:none;}
    .mobile-topbar{display:flex;}
    .page-shell{margin-left:0;}
    .main{padding-top:74px;padding-bottom:150px;}
    .bottom-bar{left:0;padding:11px 20px;}
    .cat-hero{padding:30px 30px 34px;}
    .cta-band{grid-template-columns:1fr;padding:38px 32px;}
    .cta-actions{width:100%;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }
  @media (max-width:860px){
    .overview-grid{grid-template-columns:1fr;}
    .people-grid > *:nth-child(even){margin-top:0;}
    .layer-row{grid-template-columns:56px 1fr;gap:16px;}
    .layer-row .layer-tags{grid-column:1 / -1;justify-content:flex-start;}
  }
  @media (max-width:768px){
    body{font-size:16px;line-height:1.85;}
    .container{padding:0 22px;}
    .site-footer .container{padding:0 22px;}
    .hero-wrap{padding-top:26px;}
    .section,.section + .section{margin-top:60px;}
    .cat-hero{padding:26px 22px 30px;border-radius:26px;}
    .cat-hero h1{font-size:clamp(1.7rem,6.4vw,2.2rem);}
    .hero-lead{font-size:15.4px;}
    .people-grid{grid-template-columns:1fr;gap:20px;}
    .center-body{padding:22px 22px 26px;}
    .person-body{padding:20px 22px 24px;}
    .rel-panel{padding:22px 22px 10px;}
    .layer-row{padding:20px 22px;}
    .layer-num{font-size:22px;}
    .faq-item summary{padding:17px 20px;font-size:15.2px;}
    .faq-answer{padding:0 20px 20px;}
    .cta-band{padding:32px 24px;margin-top:60px;border-radius:26px;}
    .site-footer{margin-top:64px;padding:44px 0 20px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .bottom-bar{flex-direction:column;align-items:stretch;gap:10px;padding:10px 18px;}
    .bottom-bar .bar-text{font-size:13.2px;text-align:center;}
    .bar-actions{justify-content:space-between;}
    .main{padding-bottom:170px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .site-footer .container{padding:0 16px;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .btn{padding:12px 18px;font-size:14.5px;}
    .bar-actions .btn{flex:1;}
    .section-head{margin-bottom:24px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
    .person-card:hover,.center-card:hover,.layer-row:hover{transform:none;}
  }

/* roulang page: category3 */
:root{
      --amber:#E8A33D;
      --amber-deep:#C77D1E;
      --amber-light:#F6C35C;
      --ink:#1F4B45;
      --ink-dark:#173B37;
      --ink-mid:#2F6B5F;
      --ink-soft:#DCE9E5;
      --berry:#6B3D5A;
      --paper:#FBF7EF;
      --card:#FFFFFF;
      --text:#1D2825;
      --muted:#5E6A64;
      --line:#E7DED0;
      --nav-w:272px;
      --r-lg:32px;
      --r-md:24px;
      --r-sm:15px;
      --shadow:0 18px 50px rgba(31,75,69,.08);
      --shadow-hover:0 24px 60px rgba(31,75,69,.13);
      --grad:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
      --nav-grad:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
      --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,monospace;
    }
    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
      background:var(--paper);
      color:var(--text);
      font-size:16px;
      line-height:1.88;
      -webkit-font-smoothing:antialiased;
    }
    img{display:block;max-width:100%;}
    a{color:var(--ink);text-decoration:none;}
    ul,ol{margin:0;padding:0;list-style:none;}
    h1,h2,h3,h4,p{margin:0;}
    button{font-family:inherit;}
    :focus-visible{outline:3px solid rgba(31,75,69,.5);outline-offset:3px;border-radius:8px;}

    /* 左侧竖向导航 */
    .sidenav{
      position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
      background:var(--nav-grad);
      color:#F6F1E7;
      padding:28px 20px 26px;
      display:flex;flex-direction:column;gap:24px;
      overflow-y:auto;z-index:60;
      box-shadow:8px 0 40px rgba(23,59,55,.14);
    }
    .sidenav::-webkit-scrollbar{width:6px;}
    .sidenav::-webkit-scrollbar-thumb{background:rgba(246,241,231,.22);border-radius:99px;}
    .brand{display:flex;align-items:center;gap:11px;}
    .brand-mark{
      width:36px;height:36px;border-radius:50%;flex:none;
      background:var(--grad);
      box-shadow:0 0 0 4px rgba(246,195,92,.16),0 8px 18px rgba(0,0,0,.22);
      position:relative;
    }
    .brand-mark::after{
      content:"";position:absolute;inset:10px;border-radius:50%;
      border:2px solid rgba(23,59,55,.55);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18;}
    .brand-line1{font-size:14px;font-weight:800;letter-spacing:.14em;color:#FBE8C2;}
    .brand-line2{font-size:17px;font-weight:800;letter-spacing:.05em;color:#FFFFFF;}
    .nav-label{
      display:block;font-size:11px;letter-spacing:.24em;
      color:rgba(246,241,231,.42);padding-left:12px;margin-bottom:10px;
    }
    .sidenav-nav{display:flex;flex-direction:column;gap:6px;}
    .nav-item{
      display:flex;align-items:center;gap:10px;
      padding:11px 13px;border-radius:14px;
      color:rgba(246,241,231,.82);font-size:15px;
      position:relative;transition:background .22s ease,color .22s ease,transform .22s ease;
    }
    .nav-item i{width:18px;text-align:center;font-size:13px;opacity:.85;flex:none;}
    .nav-num{
      font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;
      color:rgba(246,241,231,.45);width:20px;flex:none;
    }
    .nav-item:hover{background:rgba(255,255,255,.09);color:#FFFFFF;transform:translateX(2px);}
    .nav-item.active{
      background:#FBF7EF;color:var(--ink-dark);font-weight:700;
      box-shadow:0 12px 26px rgba(0,0,0,.2);
    }
    .nav-item.active .nav-num{color:var(--amber-deep);}
    .nav-item.active i{opacity:1;color:var(--ink);}
    .nav-item.active::before{
      content:"";position:absolute;left:-20px;top:50%;transform:translateY(-50%);
      width:5px;height:26px;border-radius:0 6px 6px 0;background:var(--amber);
    }
    .sidenav-foot{
      margin-top:auto;padding-top:18px;
      border-top:1px solid rgba(246,241,231,.14);
      display:flex;flex-direction:column;gap:12px;
    }
    .sidenav-foot p{font-size:12.5px;line-height:1.7;color:rgba(246,241,231,.62);}
    .sidenav-foot .btn{width:100%;justify-content:center;}
    .foot-mail{
      font-size:12.5px;color:rgba(246,241,231,.8);
      text-decoration:underline;text-underline-offset:4px;
      text-decoration-color:rgba(246,241,231,.32);
    }
    .foot-mail:hover{color:#FFFFFF;}

    /* 移动端顶栏 */
    .mobile-top{
      display:none;position:fixed;top:0;left:0;right:0;height:68px;z-index:70;
      background:rgba(23,59,55,.97);
      align-items:center;justify-content:space-between;
      padding:0 18px;color:#fff;
      box-shadow:0 10px 30px rgba(23,59,55,.24);
    }
    .mobile-top .brand-mark{width:30px;height:30px;box-shadow:0 0 0 3px rgba(246,195,92,.16);}
    .mobile-top .brand-mark::after{inset:8px;}
    .mobile-top .brand-line1{font-size:11px;letter-spacing:.12em;}
    .mobile-top .brand-line2{font-size:14px;}
    .burger{
      width:42px;height:42px;border-radius:12px;flex:none;
      border:1px solid rgba(246,241,231,.28);
      background:rgba(255,255,255,.06);color:#FBF7EF;
      display:flex;align-items:center;justify-content:center;
      font-size:16px;cursor:pointer;transition:.2s;
    }
    .burger:hover{background:rgba(255,255,255,.14);}
    .burger:active{transform:scale(.96);}

    /* 抽屉 */
    .drawer-mask{
      position:fixed;inset:0;background:rgba(23,59,55,.58);
      opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:80;
    }
    .drawer-mask.open{opacity:1;pointer-events:auto;}
    .drawer{
      position:fixed;top:0;left:0;bottom:0;width:296px;max-width:86vw;z-index:90;
      background:var(--nav-grad);color:#F6F1E7;
      padding:26px 20px;overflow-y:auto;
      transform:translateX(-102%);
      transition:transform .32s cubic-bezier(.4,.1,.2,1);
      display:flex;flex-direction:column;gap:22px;
      box-shadow:20px 0 60px rgba(0,0,0,.28);
    }
    .drawer.open{transform:translateX(0);}
    .drawer-close{
      align-self:flex-end;width:38px;height:38px;border-radius:11px;
      border:1px solid rgba(246,241,231,.26);background:rgba(255,255,255,.06);
      color:#FBF7EF;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;
    }
    .drawer-close:hover{background:rgba(255,255,255,.14);}

    /* 主内容区 */
    .main{margin-left:var(--nav-w);padding-bottom:130px;min-height:100vh;}
    .container{max-width:1240px;margin:0 auto;padding:0 56px;}

    .crumbs{
      display:flex;flex-wrap:wrap;align-items:center;gap:9px;
      font-size:13px;color:var(--muted);padding:30px 0 18px;
    }
    .crumbs a{
      color:var(--ink);text-decoration:underline;text-underline-offset:4px;
      text-decoration-color:rgba(31,75,69,.3);
    }
    .crumbs a:hover{text-decoration-color:var(--amber);color:var(--amber-deep);}
    .crumbs .sep{color:rgba(94,106,100,.5);}
    .crumbs .cur{color:var(--ink);font-weight:600;}

    /* 按钮 */
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 24px;border-radius:var(--r-sm);
      font-size:15px;font-weight:700;line-height:1.2;
      border:1.5px solid transparent;cursor:pointer;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
    }
    .btn-primary{
      background:var(--grad);color:#173B37;
      box-shadow:0 12px 28px rgba(217,130,43,.3);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 38px rgba(217,130,43,.4);}
    .btn-primary:active{transform:scale(.98);}
    .btn-ghost{
      border-color:rgba(251,247,239,.62);color:#FBF7EF;background:transparent;
    }
    .btn-ghost:hover{background:#FBF7EF;color:var(--ink-dark);transform:translateY(-2px);}
    .btn-ghost:active{transform:scale(.98);}
    .btn-outline{
      border-color:var(--ink);color:var(--ink);background:transparent;
    }
    .btn-outline:hover{background:var(--ink);color:#FBF7EF;transform:translateY(-2px);}
    .btn-outline:active{transform:scale(.98);}

    /* Hero */
    .hero{
      position:relative;border-radius:var(--r-lg);overflow:hidden;isolation:isolate;
      padding:46px 44px 48px;
      background:linear-gradient(118deg,#173B37 0%,#1F4B45 56%,#2F6B5F 100%);
      color:#FBF7EF;box-shadow:var(--shadow);
    }
    .hero::before{
      content:"";position:absolute;inset:0;z-index:-2;
      background-image:url(/assets/images/backpic/back-1.webp);
      background-size:cover;background-position:center;
      opacity:.24;mix-blend-mode:luminosity;
    }
    .hero::after{
      content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
      background-image:radial-gradient(circle at 12% 22%,rgba(246,195,92,.24) 0 3px,transparent 4px),
                       radial-gradient(circle at 76% 68%,rgba(246,195,92,.18) 0 2px,transparent 3px),
                       radial-gradient(circle at 46% 88%,rgba(246,195,92,.16) 0 2.5px,transparent 3.5px),
                       radial-gradient(circle at 92% 16%,rgba(246,195,92,.2) 0 2px,transparent 3px);
      background-size:180px 180px,220px 220px,260px 260px,200px 200px;
      opacity:.85;
    }
    .hero-inner{
      display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);
      gap:40px;align-items:center;
    }
    .badge-line{
      display:inline-flex;align-items:center;gap:8px;
      padding:6px 15px;border-radius:999px;
      background:rgba(246,195,92,.16);
      border:1px solid rgba(246,195,92,.42);
      color:#F6C35C;font-size:12.5px;font-weight:700;letter-spacing:.08em;
      margin-bottom:18px;
    }
    .hero h1{
      font-size:clamp(1.85rem,3.1vw,2.85rem);
      line-height:1.32;font-weight:800;letter-spacing:.01em;
      color:#FFFFFF;margin:0 0 18px;
    }
    .hero h1 .h1-dot{color:var(--amber-light);}
    .hero-lead{
      font-size:15.5px;line-height:1.9;color:rgba(251,247,239,.84);
      max-width:640px;margin:0 0 26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
    .hero-side{display:flex;flex-direction:column;gap:14px;}
    .stat{
      display:flex;align-items:center;gap:14px;
      padding:16px 20px;border-radius:20px;
      background:rgba(251,247,239,.1);
      border:1px solid rgba(251,247,239,.22);
      backdrop-filter:blur(2px);
    }
    .stat-num{
      font-family:var(--mono);font-size:34px;line-height:1;
      color:var(--amber-light);font-weight:700;
    }
    .stat-label{font-size:13.5px;line-height:1.5;color:rgba(251,247,239,.86);}

    /* 板块通用 */
    .section{padding-top:76px;}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:24px;flex-wrap:wrap;margin-bottom:30px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      font-size:12px;letter-spacing:.2em;font-weight:700;
      color:var(--amber-deep);
    }
    .eyebrow::before{
      content:"";width:22px;height:2px;border-radius:2px;background:var(--amber);
    }
    .sec-title{
      font-size:clamp(1.45rem,2.2vw,1.95rem);
      font-weight:800;line-height:1.4;margin-top:10px;color:var(--text);
    }
    .sec-desc{
      font-size:15px;line-height:1.85;color:var(--muted);
      max-width:600px;margin-top:12px;
    }
    .sec-link{
      font-size:14px;font-weight:700;color:var(--ink);
      display:inline-flex;align-items:center;gap:7px;
      padding-bottom:2px;border-bottom:2px solid rgba(232,163,61,.4);
      transition:.2s;
    }
    .sec-link:hover{color:var(--amber-deep);border-bottom-color:var(--amber-deep);gap:11px;}

    /* 前后对照 */
    .compare-grid{
      display:grid;grid-template-columns:1fr 64px 1fr;
      gap:18px;align-items:stretch;
    }
    .compare-card{
      background:var(--card);border:1px solid var(--line);
      border-radius:var(--r-md);padding:28px 26px;
      box-shadow:var(--shadow);
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
      display:flex;flex-direction:column;
    }
    .compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.45);}
    .compare-card.after{background:linear-gradient(180deg,#FFFFFF 0%,#FFF9EC 100%);border-color:rgba(232,163,61,.5);}
    .card-tag{
      display:inline-flex;align-items:center;gap:7px;
      padding:5px 13px;border-radius:999px;
      font-size:12px;font-weight:700;letter-spacing:.06em;
      align-self:flex-start;margin-bottom:16px;
    }
    .tag-before{background:rgba(31,75,69,.1);color:var(--ink);}
    .tag-after{background:rgba(232,163,61,.18);color:var(--amber-deep);}
    .compare-card h3{
      font-size:1.24rem;font-weight:800;line-height:1.45;margin-bottom:6px;
    }
    .compare-card .card-note{
      font-size:13.5px;color:var(--muted);line-height:1.75;margin-bottom:16px;
    }
    .set-list{display:flex;flex-direction:column;gap:10px;}
    .set-list li{
      display:flex;gap:11px;align-items:flex-start;
      padding:12px 14px;border-radius:14px;
      background:#FBF7EF;border:1px solid var(--line);
      font-size:14.5px;line-height:1.7;color:var(--text);
    }
    .compare-card.after .set-list li{background:#FFFDF8;border-color:rgba(232,163,61,.28);}
    .set-list .dot{
      flex:none;width:8px;height:8px;border-radius:50%;
      margin-top:9px;background:var(--ink);opacity:.6;
    }
    .compare-card.after .set-list .dot{background:var(--amber-deep);opacity:1;}
    .set-list .ico{
      flex:none;width:18px;height:18px;border-radius:50%;
      background:rgba(232,163,61,.22);color:var(--amber-deep);
      display:flex;align-items:center;justify-content:center;
      font-size:9.5px;margin-top:5px;
    }
    .compare-mid{
      display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
    }
    .compare-mid .line{width:1px;flex:1;background:linear-gradient(180deg,transparent,var(--line),transparent);}
    .compare-mid .arrow{
      width:46px;height:46px;border-radius:50%;
      background:var(--grad);color:#173B37;
      display:flex;align-items:center;justify-content:center;
      font-size:15px;box-shadow:0 12px 26px rgba(217,130,43,.34);
    }
    .compare-mid span{
      font-family:var(--mono);font-size:11px;letter-spacing:.16em;
      color:var(--muted);writing-mode:vertical-rl;
    }

    /* 规则卡 */
    .rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
    .rule-card{
      background:var(--card);border:1px solid var(--line);
      border-radius:var(--r-md);padding:26px;
      box-shadow:var(--shadow);position:relative;
      transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    }
    .rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.5);}
    .rule-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
    .rule-num{
      font-family:var(--mono);font-size:15px;font-weight:700;
      width:38px;height:38px;border-radius:12px;flex:none;
      display:flex;align-items:center;justify-content:center;
      background:rgba(31,75,69,.08);color:var(--ink);
      border:1px solid rgba(31,75,69,.14);
    }
    .rule-card h3{font-size:1.1rem;font-weight:800;line-height:1.5;}
    .rule-card p{font-size:14.5px;line-height:1.85;color:var(--muted);margin-top:8px;}
    .rule-badge{
      display:inline-flex;align-items:center;gap:6px;
      margin-top:16px;padding:5px 12px;border-radius:999px;
      background:rgba(31,75,69,.92);color:#F6E3BE;
      font-size:11.5px;letter-spacing:.06em;font-weight:600;
    }
    .rule-card.wide{
      grid-column:span 2;
      display:grid;grid-template-columns:200px minmax(0,1fr);
      gap:24px;align-items:center;padding:22px;
    }
    .rule-card.wide .wide-media{
      border-radius:18px;overflow:hidden;height:100%;min-height:150px;
    }
    .rule-card.wide .wide-media img{
      width:100%;height:100%;object-fit:cover;
      transition:transform .5s ease;
    }
    .rule-card.wide:hover .wide-media img{transform:scale(1.04);}

    /* FAQ */
    .faq{display:flex;flex-direction:column;gap:12px;}
    .faq details{
      background:var(--card);border:1px solid var(--line);
      border-radius:20px;padding:0 24px;
      transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .faq details:hover{background:#FFFCF4;border-color:rgba(232,163,61,.4);}
    .faq details[open]{
      background:#FFFCF4;border-color:rgba(232,163,61,.5);
      box-shadow:var(--shadow);
    }
    .faq summary{
      list-style:none;cursor:pointer;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:19px 0;font-size:16px;font-weight:700;line-height:1.6;color:var(--text);
    }
    .faq summary::-webkit-details-marker{display:none;}
    .faq .plus{
      flex:none;width:28px;height:28px;border-radius:50%;
      background:rgba(232,163,61,.18);color:var(--amber-deep);
      display:flex;align-items:center;justify-content:center;
      font-size:12px;transition:transform .28s ease,background .22s ease;
    }
    .faq details[open] .plus{transform:rotate(45deg);background:var(--amber);color:#173B37;}
    .faq .ans{
      font-size:14.8px;line-height:1.9;color:var(--muted);
      padding:16px 0 22px;margin-top:-2px;
      border-top:1px dashed var(--line);
    }

    /* 底部 CTA */
    .cta-band{
      margin-top:78px;border-radius:var(--r-lg);padding:44px 46px;
      background:var(--grad);color:#173B37;
      display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
      gap:34px;align-items:center;
      box-shadow:0 26px 60px rgba(217,130,43,.28);
      position:relative;overflow:hidden;
    }
    .cta-band::after{
      content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
      border-radius:50%;background:rgba(255,255,255,.16);
    }
    .cta-band h2{font-size:clamp(1.4rem,2.2vw,1.85rem);font-weight:800;line-height:1.42;margin-bottom:12px;}
    .cta-band p{font-size:14.8px;line-height:1.85;color:rgba(23,59,55,.82);max-width:520px;}
    .cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;}
    .cta-actions .btn-primary{
      background:#173B37;color:#FBE8C2;box-shadow:0 14px 30px rgba(23,59,55,.28);
    }
    .cta-actions .btn-primary:hover{background:#12312D;box-shadow:0 20px 40px rgba(23,59,55,.36);}
    .cta-actions .btn-outline{border-color:#173B37;color:#173B37;}
    .cta-actions .btn-outline:hover{background:#173B37;color:#FBE8C2;}

    /* 页脚 */
    .site-footer{
      margin-left:var(--nav-w);
      background:linear-gradient(180deg,#173B37 0%,#1F4B45 100%);
      color:#EFE7D8;padding:60px 0 118px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;
      gap:40px;padding-bottom:38px;
      border-bottom:1px solid rgba(246,241,231,.14);
    }
    .footer-brand .brand{margin-bottom:16px;}
    .footer-brand p{font-size:13.8px;line-height:1.85;color:rgba(239,231,216,.7);max-width:340px;}
    .footer-col h4{
      font-size:13px;letter-spacing:.14em;color:#F6C35C;
      font-weight:700;margin-bottom:14px;
    }
    .footer-col ul{display:flex;flex-direction:column;gap:9px;}
    .footer-col a{
      font-size:13.8px;color:rgba(239,231,216,.78);
      transition:color .2s ease,padding-left .2s ease;
    }
    .footer-col a:hover{color:#F6C35C;padding-left:4px;}
    .footer-bottom{
      display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
      gap:14px;padding-top:22px;font-size:12.8px;color:rgba(239,231,216,.62);
    }
    .to-top{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 16px;border-radius:12px;
      border:1px solid rgba(246,241,231,.24);
      color:#EFE7D8;font-size:12.8px;transition:.2s;
    }
    .to-top:hover{background:rgba(246,195,92,.16);color:#F6C35C;border-color:rgba(246,195,92,.5);}

    /* 固定转化条 */
    .sticky-bar{
      position:fixed;left:var(--nav-w);right:0;bottom:0;height:72px;z-index:55;
      background:rgba(23,59,55,.97);
      border-top:1px solid rgba(246,241,231,.14);
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:0 40px;color:#FBF7EF;
      box-shadow:0 -14px 40px rgba(23,59,55,.18);
    }
    .sticky-bar .bar-text{
      display:flex;align-items:center;gap:10px;
      font-size:14px;color:rgba(251,247,239,.86);
    }
    .sticky-bar .bar-text i{color:var(--amber-light);font-size:13px;}
    .sticky-bar .bar-actions{display:flex;align-items:center;gap:18px;}
    .sticky-bar .btn{padding:10px 20px;font-size:14px;border-radius:13px;}
    .bar-link{
      font-size:13.5px;color:rgba(251,247,239,.78);
      text-decoration:underline;text-underline-offset:4px;
      text-decoration-color:rgba(251,247,239,.35);transition:.2s;
    }
    .bar-link:hover{color:#F6C35C;text-decoration-color:#F6C35C;}

    /* 响应式 */
    @media (max-width:1200px){
      .container{padding:0 40px;}
      .hero{padding:40px 34px 42px;}
      .hero-inner{grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:30px;}
      .rule-card.wide{grid-template-columns:170px minmax(0,1fr);}
    }
    @media (max-width:1023px){
      .sidenav{display:none;}
      .mobile-top{display:flex;}
      .main{margin-left:0;padding-top:86px;padding-bottom:120px;}
      .site-footer{margin-left:0;}
      .sticky-bar{left:0;height:74px;padding:0 20px;}
      .sticky-bar .bar-text{font-size:13px;}
      .container{padding:0 32px;}
      .compare-grid{grid-template-columns:1fr;}
      .compare-mid{flex-direction:row;gap:14px;padding:6px 0;}
      .compare-mid .line{width:auto;height:1px;flex:1;background:linear-gradient(90deg,transparent,var(--line),transparent);}
      .compare-mid span{writing-mode:horizontal-tb;}
      .cta-band{grid-template-columns:1fr;gap:26px;padding:36px 32px;}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    }
    @media (max-width:768px){
      body{font-size:15.5px;}
      .container{padding:0 20px;}
      .hero{padding:32px 24px 34px;border-radius:26px;}
      .hero-inner{grid-template-columns:1fr;gap:26px;}
      .hero h1{font-size:clamp(1.6rem,6vw,2.1rem);}
      .hero-side{flex-direction:row;flex-wrap:wrap;}
      .stat{flex:1 1 140px;padding:13px 16px;}
      .stat-num{font-size:26px;}
      .section{padding-top:56px;}
      .rule-grid{grid-template-columns:1fr;}
      .rule-card.wide{grid-column:span 1;grid-template-columns:1fr;gap:16px;}
      .rule-card.wide .wide-media{min-height:180px;}
      .cta-band{padding:30px 24px;border-radius:26px;}
      .cta-actions .btn{width:100%;}
      .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:30px;}
      .site-footer{padding:46px 0 128px;}
      .sticky-bar{height:auto;padding:12px 16px;flex-wrap:wrap;gap:10px;}
      .sticky-bar .bar-text{width:100%;font-size:12.5px;}
      .sticky-bar .bar-actions{width:100%;justify-content:space-between;}
      .sticky-bar .btn{flex:1;padding:11px 14px;}
      .faq details{padding:0 18px;}
      .faq summary{font-size:15px;}
    }
    @media (max-width:520px){
      .hero h1{font-size:1.55rem;}
      .hero-lead{font-size:14.5px;}
      .hero-actions .btn{width:100%;}
      .compare-card,.rule-card{padding:22px 18px;}
      .sec-desc{font-size:14.5px;}
      .set-list li{font-size:14px;padding:11px 12px;}
      .stat-num{font-size:23px;}
      .stat-label{font-size:12.5px;}
      .crumbs{font-size:12.5px;padding:22px 0 14px;}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
    }

/* roulang page: category4 */
:root{
  --amber:#E8A33D;
  --amber-deep:#C77D1E;
  --apricot:#F6C35C;
  --ink-green:#1F4B45;
  --ink-green-deep:#173B37;
  --ink-green-light:#2F6B5F;
  --ink-green-soft:#DCE9E5;
  --plum:#6B3D5A;
  --paper:#FBF7EF;
  --card:#FFFFFF;
  --text:#1D2825;
  --muted:#5E6A64;
  --line:#E7DED0;
  --grad:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
  --grad-soft:linear-gradient(135deg,rgba(246,195,92,.22) 0%,rgba(232,163,61,.14) 55%,rgba(217,130,43,.1) 100%);
  --sidenav-grad:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
  --radius-card:26px;
  --radius-hero:30px;
  --radius-btn:15px;
  --shadow:0 18px 50px rgba(31,75,69,.08);
  --shadow-hover:0 24px 60px rgba(31,75,69,.13);
  --sidenav-w:272px;
  --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink-green);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--amber-deep)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(31,75,69,.55);
  outline-offset:3px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 56px}

/* ============ 左侧固定导航 ============ */
.sidenav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidenav-w);
  background:var(--sidenav-grad);
  color:#EDF5F1;
  padding:26px 18px 24px;
  display:flex;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
  z-index:60;
  scrollbar-width:thin;
}
.sidenav::-webkit-scrollbar{width:6px}
.sidenav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.35);border-radius:6px}
.sidenav-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 14px;
  border-radius:20px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(246,195,92,.22);
}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:var(--grad);
  position:relative;
  flex:none;
  box-shadow:0 8px 18px rgba(232,163,61,.35);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:-7px;width:2px;height:9px;
  background:#8FD3BE;transform:translateX(-50%);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-line1{font-size:12px;letter-spacing:3px;color:#F3D9AE;font-weight:600}
.brand-line2{font-size:17px;font-weight:800;color:#FFF7E6;letter-spacing:.5px}
.nav-label{
  font-size:11px;letter-spacing:2.5px;color:rgba(220,233,229,.55);
  padding-left:12px;display:block;margin-bottom:6px;
}
.sidenav-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:grid;
  grid-template-columns:26px 20px 1fr;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:13px;
  font-size:15px;
  color:#CFE0DA;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item .nav-num{
  font-family:var(--font-mono);
  font-size:11px;
  color:rgba(246,195,92,.7);
  letter-spacing:.5px;
}
.nav-item i{font-size:13px;opacity:.8;text-align:center}
.nav-item:hover{background:rgba(255,255,255,.09);color:#FFF7E6;transform:translateX(2px)}
.nav-item.active{
  background:rgba(246,195,92,.16);
  color:#FFF7E6;
  font-weight:600;
}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--grad);
}
.nav-item.active .nav-num{color:#F6C35C}
.sidenav-foot{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.side-cta{
  display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:11px 14px;border-radius:14px;
  background:var(--grad);color:#1F4B45;font-weight:700;font-size:14px;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.side-cta:hover{color:#1F4B45;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,163,61,.32);filter:brightness(1.04)}
.side-note{font-size:11px;letter-spacing:2px;color:rgba(220,233,229,.5);padding-left:2px}
.side-mail{font-size:13px;color:#CFE0DA;word-break:break-all}
.side-mail:hover{color:#F6C35C}

/* ============ 移动端顶部与抽屉 ============ */
.mobile-head{
  display:none;
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:var(--sidenav-grad);
  padding:10px 16px;
  align-items:center;justify-content:space-between;
  box-shadow:0 8px 24px rgba(23,59,55,.24);
}
.mobile-head .brand-mark{width:28px;height:28px}
.mobile-head .brand-line1{font-size:10px;letter-spacing:2px}
.mobile-head .brand-line2{font-size:14px}
.mobile-brand{display:flex;align-items:center;gap:10px}
.burger{
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);color:#FFF7E6;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  transition:background .2s ease;
}
.burger:hover{background:rgba(246,195,92,.24)}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(23,59,55,.55);
  z-index:80;backdrop-filter:blur(2px);
}
.drawer-mask.show{display:block}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:288px;max-width:86vw;
  background:var(--sidenav-grad);color:#EDF5F1;
  padding:22px 18px;z-index:90;overflow-y:auto;
  transform:translateX(-105%);transition:transform .3s ease;
  display:flex;flex-direction:column;gap:16px;
}
.drawer.show{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.1);color:#FFF7E6;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}

/* ============ 主区域 ============ */
.main-wrap{margin-left:var(--sidenav-w);padding-bottom:118px}
.page-main{padding-top:24px}

/* 面包屑 */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin:6px 0 18px;
}
.crumbs a{color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.crumbs a:hover{color:var(--ink-green)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--ink-green);font-weight:600}

/* Hero */
.cat-hero{
  position:relative;
  border-radius:var(--radius-hero);
  overflow:hidden;
  min-height:352px;
  display:flex;
  align-items:flex-end;
  box-shadow:var(--shadow);
  isolation:isolate;
}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.cat-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(23,59,55,.94) 0%,rgba(31,75,69,.82) 48%,rgba(217,130,43,.46) 100%);
}
.cat-hero .hero-inner{
  position:relative;z-index:2;
  padding:44px 44px 42px;
  width:100%;
  color:#FFF7E6;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  background:rgba(246,195,92,.9);color:#1F4B45;
  font-size:12.5px;font-weight:700;letter-spacing:1.5px;
  margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(1.9rem,3.2vw,2.75rem);
  color:#FFFFFF;
  max-width:840px;
  line-height:1.28;
}
.cat-hero .hero-sub{
  margin-top:16px;
  max-width:720px;
  font-size:16.5px;
  color:rgba(255,247,230,.9);
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  will-change:transform;
}
.btn-primary{
  background:var(--grad);color:#1F4B45;
  box-shadow:0 14px 30px rgba(217,130,43,.28);
}
.btn-primary:hover{color:#1F4B45;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 38px rgba(217,130,43,.36)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{
  border:1.5px solid var(--ink-green);color:var(--ink-green);background:transparent;
}
.btn-outline:hover{background:var(--ink-green);color:#FBF7EF;transform:translateY(-2px)}
.btn-outline:active{transform:scale(.98)}
.btn-outline.on-dark{border-color:rgba(255,247,230,.62);color:#FFF7E6}
.btn-outline.on-dark:hover{background:#FFF7E6;color:var(--ink-green);border-color:#FFF7E6}

/* 区块 */
.section{padding:76px 0 0}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:2.5px;
  color:var(--amber-deep);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:clamp(1.55rem,2.2vw,2.1rem);color:var(--ink-green-deep)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}

/* 工序步骤条 */
.step-track{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
}
.step-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px 20px 24px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.55)}
.step-item::after{
  content:"";position:absolute;top:38px;right:-12px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(232,163,61,.85),rgba(232,163,61,0));
}
.step-item:last-child::after{display:none}
.step-num{
  font-family:var(--font-mono);font-size:26px;font-weight:700;
  color:var(--amber-deep);display:block;line-height:1;margin-bottom:14px;
  letter-spacing:1px;
}
.step-item h3{font-size:16.5px;color:var(--ink-green-deep);margin-bottom:10px}
.step-item p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* 幕后大图卡 */
.feature-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch;
}
.feature-media{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);min-height:360px;
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .media-tag{
  position:absolute;left:20px;top:20px;
  padding:6px 14px;border-radius:999px;
  background:rgba(23,59,55,.82);color:#F6C35C;
  font-size:12.5px;letter-spacing:1.5px;font-weight:600;
}
.feature-media .media-badges{
  position:absolute;left:20px;right:20px;bottom:20px;
  display:flex;flex-wrap:wrap;gap:10px;
}
.mini-badge{
  display:inline-flex;align-items:baseline;gap:6px;
  padding:8px 14px;border-radius:14px;
  background:rgba(251,247,239,.94);
  color:var(--ink-green-deep);
  font-size:12.5px;
  box-shadow:0 10px 24px rgba(23,59,55,.18);
}
.mini-badge b{font-family:var(--font-mono);font-size:16px;color:var(--amber-deep)}
.feature-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px 28px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:16px;
}
.feature-card h3{font-size:20px;color:var(--ink-green-deep)}
.feature-card p{font-size:15px;color:var(--muted)}
.point-list{display:flex;flex-direction:column;gap:14px;margin-top:2px}
.point-list li{
  display:grid;grid-template-columns:22px 1fr;gap:10px;
  font-size:14.8px;color:var(--muted);line-height:1.78;
}
.point-list li i{color:var(--amber-deep);font-size:12px;margin-top:7px}
.point-list li b{color:var(--ink-green-deep);font-weight:700}

/* 制作要点清单 */
.check-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.check-card{
  display:grid;grid-template-columns:46px 1fr 20px;gap:14px;align-items:start;
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;padding:22px 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.check-card:hover{
  transform:translateY(-3px);box-shadow:var(--shadow-hover);
  border-color:rgba(232,163,61,.55);background:#FFFDF8;
}
.check-idx{
  font-family:var(--font-mono);font-size:19px;font-weight:700;
  color:#1F4B45;background:var(--ink-green-soft);
  border-radius:12px;text-align:center;line-height:40px;height:40px;
}
.check-card h3{font-size:16.5px;color:var(--ink-green-deep);margin-bottom:7px}
.check-card p{font-size:14.5px;color:var(--muted);line-height:1.75}
.check-card .arrow{color:var(--ink-green);opacity:.5;font-size:13px;margin-top:12px;transition:transform .22s ease,opacity .22s ease}
.check-card:hover .arrow{transform:translateX(4px);opacity:1;color:var(--amber-deep)}

/* 数据带 */
.stat-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:linear-gradient(120deg,#173B37 0%,#1F4B45 58%,#2F6B5F 100%);
  border-radius:var(--radius-card);
  padding:34px 32px;
  color:#EDF5F1;
  box-shadow:var(--shadow);
}
.stat-band .stat b{
  display:block;font-family:var(--font-mono);font-size:34px;
  color:#F6C35C;line-height:1.1;letter-spacing:1px;
}
.stat-band .stat span{display:block;margin-top:8px;font-size:14px;color:rgba(237,245,241,.82)}
.stat-band .stat{border-left:2px solid rgba(246,195,92,.35);padding-left:18px}
.stat-band .stat:first-child{border-left:0;padding-left:0}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:20px;margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(232,163,61,.55)}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(232,163,61,.6)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-weight:700;font-size:16.5px;color:var(--ink-green-deep);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FDF9F1}
.faq-plus{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:var(--ink-green-soft);color:var(--ink-green);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--apricot);color:#1F4B45}
.faq-answer{
  padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;
  background:linear-gradient(180deg,#FBF7EF 0%,#FFFFFF 100%);
}

/* CTA */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:32px;
  padding:52px 48px;
  background:linear-gradient(128deg,#F6C35C 0%,#E8A33D 46%,#D9822B 100%);
  box-shadow:0 24px 60px rgba(217,130,43,.28);
  color:#1F4B45;
}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:rgba(255,255,255,.16);
}
.cta-block::before{
  content:"";position:absolute;right:90px;bottom:-120px;width:240px;height:240px;
  border-radius:50%;background:rgba(31,75,69,.1);
}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-block h2{font-size:clamp(1.5rem,2.3vw,2rem);color:#153E39}
.cta-block p{margin-top:14px;font-size:15.5px;color:rgba(21,62,57,.86);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-dark{
  background:var(--ink-green);color:#FFF7E6;
  box-shadow:0 14px 30px rgba(31,75,69,.28);
}
.btn-dark:hover{background:#173B37;color:#FFF7E6;transform:translateY(-2px)}
.btn-dark:active{transform:scale(.98)}
.cta-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 6px;font-weight:700;color:#153E39;
  text-decoration:underline;text-underline-offset:5px;
}
.cta-link:hover{color:#0F2B27}

/* 固定转化条 */
.sticky-cta{
  position:fixed;left:var(--sidenav-w);right:0;bottom:0;z-index:50;
  background:linear-gradient(90deg,#173B37 0%,#1F4B45 60%,#2F6B5F 100%);
  border-top:1px solid rgba(246,195,92,.25);
  padding:12px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  box-shadow:0 -14px 34px rgba(23,59,55,.2);
}
.sticky-cta .sticky-text{
  display:flex;flex-direction:column;gap:2px;color:#EDF5F1;font-size:14.5px;font-weight:600;
}
.sticky-cta .sticky-text span{font-size:12.5px;font-weight:400;color:rgba(220,233,229,.7)}
.sticky-actions{display:flex;align-items:center;gap:18px}
.sticky-link{color:#F3D9AE;font-size:14px;text-decoration:underline;text-underline-offset:4px}
.sticky-link:hover{color:#FFF7E6}

/* 页脚 */
.site-footer{
  background:linear-gradient(180deg,#173B37 0%,#1F4B45 100%);
  color:#DCE9E5;
  margin-top:88px;
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand .brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-brand .brand-line1{font-size:12px;letter-spacing:3px;color:#F3D9AE}
.footer-brand .brand-line2{font-size:17px;color:#FFF7E6}
.footer-brand p{font-size:14px;color:rgba(220,233,229,.75);line-height:1.85;max-width:360px}
.footer-col h4{
  font-size:13px;letter-spacing:2px;color:#F6C35C;
  margin-bottom:16px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(220,233,229,.82)}
.footer-col a:hover{color:#F6C35C}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:13px;color:rgba(220,233,229,.62);flex-wrap:wrap;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  border:1px solid rgba(246,195,92,.4);color:#F3D9AE;font-size:13px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(246,195,92,.16);color:#FFF7E6;transform:translateY(-2px)}

/* 响应式 */
@media (max-width:1180px){
  .container{padding:0 36px}
  .step-track{grid-template-columns:repeat(3,1fr)}
  .step-item:nth-child(3)::after{display:none}
  .stat-band{grid-template-columns:repeat(3,1fr);padding:28px 24px}
}
@media (max-width:1024px){
  .sidenav{display:none}
  .mobile-head{display:flex}
  .main-wrap{margin-left:0;padding-bottom:132px;padding-top:64px}
  .sticky-cta{left:0;padding:12px 22px}
  .container{padding:0 24px}
  .feature-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cat-hero .hero-inner{padding:34px 28px 32px}
  .cta-block{padding:40px 28px}
  .section{padding:60px 0 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .step-track{grid-template-columns:1fr;gap:14px}
  .step-item::after{display:none}
  .step-item{padding:22px 20px}
  .step-num{font-size:22px;margin-bottom:10px}
  .stat-band{grid-template-columns:1fr;gap:20px;padding:26px 22px}
  .stat-band .stat{border-left:0;padding-left:0;border-top:1px solid rgba(246,195,92,.22);padding-top:16px}
  .stat-band .stat:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .cat-hero{min-height:0}
  .cat-hero .hero-inner{padding:30px 22px 30px}
  .cat-hero .hero-sub{font-size:15px}
  .feature-media{min-height:250px}
  .feature-card{padding:24px 22px}
  .sticky-cta .sticky-text span{display:none}
  .sticky-cta{padding:10px 16px;gap:12px}
  .sticky-actions{gap:12px}
  .btn{padding:11px 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .sticky-actions .sticky-link{display:none}
  .check-card{grid-template-columns:38px 1fr;padding:20px}
  .check-card .arrow{display:none}
  .cat-hero h1{font-size:1.65rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --amber:#E8A33D;
  --amber-deep:#C77D1E;
  --apricot:#F6C35C;
  --ink:#1D2825;
  --muted:#5E6A64;
  --bg:#FBF7EF;
  --card:#FFFFFF;
  --border:#E7DED0;
  --teal:#1F4B45;
  --teal-deep:#173B37;
  --teal-soft:#DCE9E5;
  --berry:#6B3D5A;
  --grad:linear-gradient(135deg,#F6C35C 0%,#E8A33D 48%,#D9822B 100%);
  --grad-side:linear-gradient(180deg,#173B37 0%,#1F4B45 55%,#2F6B5F 100%);
  --shadow:0 18px 50px rgba(31,75,69,.08);
  --shadow-hover:0 24px 60px rgba(31,75,69,.13);
  --r-card:26px;
  --r-btn:15px;
  --side-w:276px;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;text-underline-offset:4px;transition:color .22s ease;}
a:hover{color:var(--amber-deep);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,75,69,.6);outline-offset:3px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 56px;}

/* ---------- 左侧竖向导航 ---------- */
.sidenav{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--grad-side);
  color:#F2EFE6;
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  overflow-y:auto;
  z-index:60;
  scrollbar-width:thin;
}
.sidenav::-webkit-scrollbar{width:6px;}
.sidenav::-webkit-scrollbar-thumb{background:rgba(246,195,92,.28);border-radius:99px;}
.brand{display:flex;align-items:center;gap:11px;}
.brand-mark{
  position:relative;width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:var(--grad);box-shadow:0 6px 18px rgba(232,163,61,.35);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:6px;width:2px;height:22px;
  background:rgba(23,59,55,.32);transform:translateX(-50%);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-line1{font-size:13.5px;font-weight:600;letter-spacing:.16em;color:#F6C35C;}
.brand-line2{font-size:18px;font-weight:800;letter-spacing:.02em;color:#FFFDF7;}
.side-brand-card{
  display:block;padding:14px 14px;border-radius:16px;
  background:rgba(255,253,247,.06);
  border:1px solid rgba(246,195,92,.18);
  margin-bottom:22px;
}
.side-brand-card .brand-sub{
  margin-top:8px;font-size:12px;line-height:1.6;color:rgba(242,239,230,.62);
}
.nav-label{
  display:block;font-size:11px;letter-spacing:.24em;color:rgba(246,195,92,.7);
  margin:0 0 10px 6px;font-family:var(--mono);
}
.sidenav-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:rgba(242,239,230,.82);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item i{width:16px;font-size:13px;opacity:.7;text-align:center;}
.nav-item:hover{background:rgba(246,195,92,.1);color:#FFFDF7;transform:translateX(2px);}
.nav-item.active{background:rgba(246,195,92,.16);color:#FFFDF7;font-weight:600;}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad);
}
.nav-item.active i{opacity:1;color:var(--apricot);}
.nav-num{font-family:var(--mono);font-size:11px;letter-spacing:.06em;opacity:.55;min-width:18px;}
.nav-item.active .nav-num{opacity:.9;color:var(--apricot);}
.side-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:10px;}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 14px;border-radius:14px;background:var(--grad);
  color:#1B3B36;font-size:14px;font-weight:700;
  box-shadow:0 12px 26px rgba(232,163,61,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.side-cta:hover{color:#142C28;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 34px rgba(232,163,61,.36);}
.side-cta:active{transform:scale(.98);}
.side-contact{font-size:12px;line-height:1.7;color:rgba(242,239,230,.58);}
.side-contact a{color:rgba(242,239,230,.8);}
.side-contact a:hover{color:var(--apricot);}

/* ---------- 主区域 ---------- */
.main-shell{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column;}
main{padding-bottom:132px;flex:1;}

/* ---------- 移动端顶栏 ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:50;
  background:rgba(23,59,55,.97);backdrop-filter:blur(6px);
  padding:12px 18px;align-items:center;justify-content:space-between;gap:12px;
  border-bottom:1px solid rgba(246,195,92,.2);
}
.mobile-topbar .brand-line1{font-size:11.5px;}
.mobile-topbar .brand-line2{font-size:15px;}
.mobile-topbar .brand-mark{width:28px;height:28px;flex:0 0 28px;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(246,195,92,.35);
  background:rgba(246,195,92,.12);color:#F6C35C;
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;
  transition:background .2s ease,transform .2s ease;
}
.hamburger:hover{background:rgba(246,195,92,.22);}
.hamburger:active{transform:scale(.95);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,44,40,.6);
  opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:80;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;left:0;top:0;bottom:0;width:290px;max-width:84vw;
  background:var(--grad-side);color:#F2EFE6;padding:22px 18px;
  transform:translateX(-102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:90;display:flex;flex-direction:column;gap:14px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:36px;height:36px;border-radius:10px;
  background:rgba(255,253,247,.1);border:1px solid rgba(246,195,92,.25);
  color:#F6C35C;display:inline-flex;align-items:center;justify-content:center;
}
.drawer .nav-item{font-size:15px;padding:11px 12px;}
.drawer-cta{
  margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 14px;border-radius:14px;background:var(--grad);
  color:#1B3B36;font-weight:700;font-size:14.5px;
}
.drawer-cta:hover{color:#142C28;}

/* ---------- 通用组件 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--teal);}
.breadcrumb a:hover{color:var(--amber-deep);}
.breadcrumb .sep{color:#B9C4BE;}
.breadcrumb .current{color:var(--muted);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.badge-amber{background:rgba(232,163,61,.16);color:var(--amber-deep);border:1px solid rgba(232,163,61,.34);}
.badge-teal{background:var(--teal-soft);color:var(--teal);border:1px solid rgba(31,75,69,.14);}
.badge-dark{background:var(--teal);color:#FBF7EF;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1.4;
  border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--grad);color:#143330;
  box-shadow:0 14px 32px rgba(232,163,61,.32);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 42px rgba(232,163,61,.4);color:#102A27;}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;color:var(--teal);border-color:var(--teal);
}
.btn-ghost:hover{background:var(--teal);color:#FBF7EF;transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;
  color:var(--teal);border-bottom:1.5px solid rgba(31,75,69,.32);padding-bottom:2px;
}
.btn-link:hover{color:var(--amber-deep);border-color:rgba(199,125,30,.5);}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover i{transform:translateX(3px);}

.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.55rem,2.1vw,2.1rem);margin-top:12px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 18% 22%,rgba(246,195,92,.18) 0 6px,transparent 7px),
    radial-gradient(circle at 82% 68%,rgba(31,75,69,.1) 0 8px,transparent 9px),
    radial-gradient(circle at 62% 12%,rgba(232,163,61,.14) 0 5px,transparent 6px),
    var(--bg);
  background-size:190px 190px,240px 240px,160px 160px,auto;
  padding:44px 0 62px;
  border-bottom:1px solid var(--border);
}
.hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
}
.hero-copy h1{
  font-size:clamp(2rem,3vw,2.85rem);
  letter-spacing:-.02em;margin:16px 0 0;
}
.hero-copy .lead{
  margin-top:16px;font-size:16.5px;line-height:1.92;color:var(--muted);max-width:36em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;align-items:center;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;
}
.stat-chip{
  display:flex;align-items:baseline;gap:8px;
  background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:10px 16px;box-shadow:var(--shadow);
}
.stat-chip .num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--teal);}
.stat-chip .lbl{font-size:12.5px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual figure{
  margin:0;border-radius:30px;overflow:hidden;position:relative;
  box-shadow:var(--shadow);
}
.hero-visual img{width:100%;height:340px;object-fit:cover;transition:transform .5s ease;}
.hero-visual figure:hover img{transform:scale(1.03);}
.hero-visual figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,59,55,.55) 0%,rgba(23,59,55,.12) 45%,rgba(232,163,61,.42) 100%);
}
.hero-visual .float-tag{
  position:absolute;left:22px;bottom:20px;z-index:2;
  background:rgba(251,247,239,.94);color:var(--teal);
  border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:700;
  display:inline-flex;align-items:center;gap:7px;
}
.hero-visual .float-tag i{color:var(--amber-deep);}

/* ---------- 观剧路线编号清单 ---------- */
.route-list{display:flex;flex-direction:column;gap:16px;}
.route-card{
  display:grid;grid-template-columns:76px 1fr auto;gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 28px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.route-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.45);}
.route-num{
  font-family:var(--mono);font-size:30px;font-weight:700;color:var(--amber);
  letter-spacing:-.02em;line-height:1;
}
.route-num span{display:block;font-size:11px;color:#B3BDB7;letter-spacing:.18em;margin-top:6px;font-weight:500;}
.route-body h3{font-size:1.16rem;margin-bottom:8px;}
.route-body p{color:var(--muted);font-size:15px;line-height:1.85;}
.route-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px;}
.route-tags .tag{
  font-size:12px;padding:3px 11px;border-radius:999px;
  background:rgba(31,75,69,.07);color:var(--teal);border:1px solid rgba(31,75,69,.1);
}
.route-go{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(232,163,61,.14);color:var(--amber-deep);font-size:14px;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.route-card:hover .route-go{background:var(--grad);color:#143330;transform:translateX(4px);}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:1.16fr .92fr;gap:24px;}
.entry-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.45);}
.entry-card .thumb{overflow:hidden;position:relative;}
.entry-card .thumb img{width:100%;height:200px;object-fit:cover;transition:transform .45s ease;}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,59,55,0) 40%,rgba(23,59,55,.45) 100%);
}
.entry-body{padding:24px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.entry-body h3{font-size:1.2rem;}
.entry-body p{color:var(--muted);font-size:15px;line-height:1.85;}
.entry-body .btn-link{margin-top:auto;align-self:flex-start;}
.entry-stack{display:flex;flex-direction:column;gap:24px;}
.entry-mini{
  background:var(--card);border:1px solid var(--border);border-radius:22px;
  padding:22px 24px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.45);}
.entry-mini .ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  background:var(--teal-soft);color:var(--teal);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.entry-mini h3{font-size:1.04rem;margin-bottom:6px;}
.entry-mini p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- 观看节奏建议 ---------- */
.pace-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.pace-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pace-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(232,163,61,.4);}
.pace-card.offset{margin-top:28px;}
.pace-card h3{font-size:1.15rem;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.pace-card h3 i{color:var(--amber-deep);font-size:15px;}
.pace-card ul{display:flex;flex-direction:column;gap:12px;}
.pace-card li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);line-height:1.82;
}
.pace-card li::before{
  content:"";flex:0 0 7px;width:7px;height:7px;border-radius:50%;
  background:var(--amber);margin-top:11px;
}
.pace-card li strong{color:var(--ink);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.faq-item:hover{border-color:rgba(232,163,61,.5);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  background:rgba(232,163,61,.14);color:var(--amber-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .28s ease,background .22s ease,color .22s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--teal);color:#F6C35C;}
.faq-item .faq-body{
  padding:0 26px 22px;color:var(--muted);font-size:15px;line-height:1.9;
  background:linear-gradient(180deg,rgba(251,247,239,0) 0%,rgba(251,247,239,.85) 100%);
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:32px;
  background:var(--grad);padding:48px 52px;
  box-shadow:0 28px 60px rgba(201,126,26,.24);
  display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-block::after{
  content:"";position:absolute;left:-40px;bottom:-90px;width:200px;height:200px;border-radius:50%;
  background:rgba(23,59,55,.1);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(1.5rem,2.2vw,2rem);color:#15332F;}
.cta-copy p{margin-top:14px;color:rgba(21,51,47,.82);font-size:15.5px;line-height:1.88;max-width:34em;}
.cta-copy .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.cta-copy .btn-dark{
  background:#15332F;color:#FBF7EF;box-shadow:0 14px 30px rgba(21,51,47,.28);
}
.cta-copy .btn-dark:hover{background:#0F2623;color:#fff;transform:translateY(-2px);}
.cta-copy .btn-outline-dark{
  background:transparent;color:#15332F;border:1.5px solid rgba(21,51,47,.55);
}
.cta-copy .btn-outline-dark:hover{background:rgba(21,51,47,.1);transform:translateY(-2px);}
.cta-form{
  position:relative;z-index:2;background:rgba(255,253,247,.96);
  border-radius:24px;padding:26px 26px 24px;box-shadow:0 20px 44px rgba(21,51,47,.16);
}
.cta-form h3{font-size:1.05rem;margin-bottom:16px;color:var(--teal);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600;}
.field input,.field textarea{
  width:100%;padding:11px 14px;border-radius:14px;border:1px solid var(--border);
  background:#fff;font-size:14.5px;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:74px;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(31,75,69,.16);background:#FFFBF2;
}
.field .err{display:none;font-size:12.5px;color:var(--berry);margin-top:5px;}
.field.invalid input,.field.invalid textarea{border-color:var(--berry);background:#FCF5F8;}
.field.invalid .err{display:block;}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.7;margin:4px 0 16px;}
.consent input{margin-top:3px;accent-color:var(--teal);width:15px;height:15px;flex:0 0 15px;}
.cta-form .btn-primary{width:100%;}
.form-note{margin-top:10px;font-size:12px;color:var(--muted);text-align:center;}
.form-success{
  display:none;margin-top:12px;padding:11px 14px;border-radius:12px;
  background:var(--teal-soft);color:var(--teal);font-size:13.5px;font-weight:600;text-align:center;
}
.form-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-side);color:#F2EFE6;padding:56px 0 26px;margin-top:24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:rgba(242,239,230,.66);font-size:14px;line-height:1.9;max-width:30em;}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;color:var(--apricot);
  margin-bottom:14px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:rgba(242,239,230,.78);font-size:14px;}
.footer-col a:hover{color:var(--apricot);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(246,195,92,.18);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(242,239,230,.56);
}
.to-top{
  display:inline-flex;align-items:center;gap:7px;color:rgba(242,239,230,.82);
  border:1px solid rgba(246,195,92,.32);border-radius:999px;padding:7px 16px;font-size:13px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{background:rgba(246,195,92,.16);color:#FFFDF7;transform:translateY(-2px);}

/* ---------- 固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:var(--side-w);right:0;bottom:0;z-index:55;
  background:rgba(23,59,55,.97);backdrop-filter:blur(8px);
  border-top:1px solid rgba(246,195,92,.24);
  padding:12px 32px;
}
.sticky-inner{
  max-width:1240px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.sticky-text{display:flex;align-items:center;gap:12px;color:#F2EFE6;font-size:14px;}
.sticky-text .dot{
  width:9px;height:9px;border-radius:50%;background:var(--apricot);
  box-shadow:0 0 0 4px rgba(246,195,92,.18);
}
.sticky-text strong{font-weight:700;color:#FFFDF7;}
.sticky-actions{display:flex;align-items:center;gap:18px;}
.sticky-actions .btn{padding:10px 22px;font-size:14px;}
.sticky-actions .link-light{
  color:#F2EFE6;font-size:14px;font-weight:600;border-bottom:1.5px solid rgba(242,239,230,.36);padding-bottom:2px;
}
.sticky-actions .link-light:hover{color:var(--apricot);border-color:rgba(246,195,92,.6);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .container{padding:0 40px;}
  .hero-grid{gap:32px;}
}
@media (max-width:1023px){
  .sidenav{display:none;}
  .main-shell{margin-left:0;}
  .mobile-topbar{display:flex;}
  .sticky-cta{left:0;padding:11px 20px 14px;}
  .container{padding:0 26px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .hero-visual img{height:290px;}
  .entry-grid{grid-template-columns:1fr;}
  .pace-wrap{grid-template-columns:1fr;}
  .pace-card.offset{margin-top:0;}
  .cta-block{grid-template-columns:1fr;padding:38px 32px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .section{padding:58px 0;}
  .section-tight{padding:46px 0;}
  .page-hero{padding:32px 0 48px;}
  .route-card{grid-template-columns:60px 1fr auto;gap:16px;padding:22px 22px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .hero-copy h1{font-size:1.85rem;}
  .route-card{grid-template-columns:52px 1fr;gap:14px;padding:20px;}
  .route-go{display:none;}
  .route-num{font-size:25px;}
  .cta-block{padding:30px 22px;border-radius:26px;}
  .cta-form{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-inner{flex-direction:row;align-items:center;}
  .sticky-text{font-size:12.5px;}
  .sticky-text .hide-sm{display:none;}
  .sticky-actions{gap:12px;}
  .sticky-actions .link-light{display:none;}
}
@media (max-width:560px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{flex-direction:column;}
  .stat-chip{width:100%;justify-content:flex-start;}
  .entry-mini{flex-direction:row;}
  .faq-item summary{padding:17px 18px;font-size:15px;}
  .faq-item .faq-body{padding:0 18px 18px;}
  .sticky-cta{padding:10px 14px calc(10px + env(safe-area-inset-bottom));}
  .sticky-actions .btn{width:100%;}
  .sticky-inner{gap:10px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}