/* roulang page: index */
:root{
  --green:#123C35;
  --green-deep:#0C2B26;
  --green-2:#1F5A4D;
  --copper:#C96F3B;
  --copper-light:#F0D8C5;
  --bg:#F7F3EA;
  --bg-soft:#F2EDE1;
  --card:#FFFDF7;
  --ink:#18221F;
  --sub:#66736D;
  --line:#D8D0C2;
  --ok:#2F7D5E;
  --err:#B4552D;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 16px 40px rgba(18,60,53,.08);
  --shadow-sm:0 6px 18px rgba(18,60,53,.06);
  --serif:"Songti SC","Noto Serif SC",Georgia,"Source Han Serif SC","SimSun",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--bg-soft)}
a{color:var(--green);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--copper)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);color:var(--green);margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section--tight{padding:72px 0}
.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--copper);
  margin-bottom:14px;
}
.section-label::before{content:"";width:3px;height:16px;background:var(--copper);border-radius:2px}
.section-head{margin-bottom:40px;max-width:760px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--sub);font-size:15.5px;margin:0}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:none;color:inherit;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 20px rgba(18,60,53,.16)}
.btn-primary:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(18,60,53,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--card);color:var(--green);border-color:var(--green)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--radius-sm)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--copper);
  border-bottom:1px solid rgba(201,111,59,.4);padding-bottom:2px;
}
.link-arrow:hover{color:var(--green);border-color:var(--green)}
.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;
  background:rgba(31,90,77,.1);color:var(--green-2);
  font-size:12px;font-weight:600;line-height:1.6;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.95);
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:#F2EDE1;box-shadow:0 6px 18px rgba(18,60,53,.07)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;max-width:1200px;margin:0 auto;padding:0 24px;
}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.1}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--green);letter-spacing:.04em}
.brand-en{font-size:10px;letter-spacing:.24em;color:var(--sub);font-weight:600;margin-top:5px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
  background:linear-gradient(180deg,#F7F3EA 0%,#F2EDE1 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  opacity:.08;pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.35fr 1fr;
  gap:56px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(18,60,53,.07);color:var(--green);
  font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--copper);display:inline-block}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:20px;letter-spacing:.01em}
.hero-lead{font-size:16.5px;color:#3C4A44;max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0}
.hero-stats li{
  padding-right:34px;margin-right:34px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:2px;
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats strong{font-family:var(--serif);font-size:26px;color:var(--green);line-height:1.2}
.hero-stats span{font-size:13.5px;color:var(--sub)}
.hero-visual{position:relative}
.hero-figure{
  margin:0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:6/5;background:var(--bg-soft);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-badge-card{
  position:absolute;left:-28px;bottom:-30px;width:300px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow);
}
.hero-badge-card .badge-title{
  font-family:var(--serif);font-size:15px;font-weight:700;color:var(--green);
  display:block;margin-bottom:10px;
}
.hero-badge-card ul li{
  font-size:13.5px;color:var(--sub);line-height:1.75;
  padding-left:14px;position:relative;margin-bottom:4px;
}
.hero-badge-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:5px;height:5px;
  background:var(--copper);border-radius:1px;
}
.hero-badge-card .link-arrow{margin-top:10px;font-size:13.5px}

/* ---------- matrix ---------- */
.matrix-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;box-shadow:var(--shadow-sm)}
.matrix-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.matrix{min-width:740px;width:100%;border-collapse:separate;border-spacing:0}
.matrix th,.matrix td{padding:15px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.matrix thead th{
  background:var(--bg-soft);color:var(--green);font-family:var(--serif);
  font-size:16px;font-weight:700;white-space:nowrap;
}
.matrix thead th.is-recommend{background:rgba(240,216,197,.6);border-top:3px solid var(--copper)}
.rec-tag{
  display:inline-block;margin-left:8px;padding:1px 9px;border-radius:999px;
  background:var(--copper);color:#fff;font-family:var(--sans);
  font-size:11px;font-weight:600;vertical-align:2px;
}
.matrix .col-feature{
  position:sticky;left:0;z-index:3;background:var(--card);
  font-weight:600;min-width:200px;border-right:1px solid var(--line);color:var(--ink);
}
.matrix thead .col-feature{background:var(--bg-soft);z-index:4;color:var(--green)}
.matrix td.is-recommend{background:rgba(240,216,197,.22)}
.matrix tbody tr:hover td{background:#FAF7EF}
.matrix tbody tr:hover td.is-recommend{background:rgba(240,216,197,.36)}
.matrix tbody tr:hover td.col-feature{background:#F5F0E4}
.matrix .group-row td{
  background:var(--bg-soft);font-family:var(--serif);font-weight:700;
  color:var(--green);font-size:14px;letter-spacing:.08em;
}
.matrix tbody tr.group-row:hover td{background:var(--bg-soft)}
.tick{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:4px;background:var(--copper);
  color:#fff;font-size:12px;font-weight:700;line-height:1;
}
.tick--muted{background:rgba(102,115,109,.28);color:#fff}
.dash{color:#9AA5A0}
.matrix-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;border-top:1px solid var(--line);background:#FBF8F0;flex-wrap:wrap;
}
.matrix-foot p{margin:0;font-size:14px;color:var(--sub)}
.swipe-tip{display:none;font-size:13px;color:var(--copper);font-weight:600}

/* ---------- tiers ---------- */
.tiers{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}
.tier-aside{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
}
.tier-aside h3{font-size:20px;margin-bottom:12px}
.tier-aside p{font-size:14.5px;color:var(--sub);line-height:1.8}
.tier-aside dl{margin:18px 0 0;display:grid;gap:12px}
.tier-aside dt{font-size:13px;color:var(--sub);font-weight:600;letter-spacing:.06em}
.tier-aside dd{margin:2px 0 0;font-size:14.5px;color:var(--ink)}
.tier-aside .btn{margin-top:22px}
.tier-list{display:grid;gap:18px}
.tier-row{
  display:grid;grid-template-columns:96px 1fr;gap:24px;
  padding:28px 30px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--card);transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.tier-row:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow)}
.tier-row.is-recommend{background:rgba(240,216,197,.34);border-color:#E0C0A6}
.tier-index{font-family:var(--serif);font-size:44px;font-weight:700;line-height:1;color:rgba(18,60,53,.18)}
.tier-row.is-recommend .tier-index{color:rgba(201,111,59,.4)}
.tier-body h3{font-size:21px;margin-bottom:6px}
.tier-body .tier-note{font-size:14px;color:var(--sub);margin-bottom:14px}
.tier-points{display:grid;gap:8px;margin-bottom:16px}
.tier-points li{
  position:relative;padding-left:20px;font-size:14.5px;color:#33413B;line-height:1.75;
}
.tier-points li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;
  border:1px solid var(--copper);border-radius:2px;background:var(--copper-light);
}

/* ---------- collage ---------- */
.collage{display:grid;grid-template-columns:1.55fr 1fr;gap:20px}
.collage-side{display:grid;gap:20px}
.preview-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.preview-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow)}
.preview-media{position:relative;overflow:hidden;background:var(--bg-soft)}
.preview-card--lg .preview-media{aspect-ratio:16/9}
.preview-card--sm .preview-media{aspect-ratio:4/3}
.preview-media img{width:100%;height:100%;object-fit:cover}
.preview-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 11px;border-radius:999px;
  background:rgba(255,253,247,.94);color:var(--green);
  font-size:12px;font-weight:600;
}
.preview-tag--lock{background:rgba(18,60,53,.86);color:#fff}
.lock-overlay{
  position:absolute;inset:0;display:flex;align-items:flex-end;
  padding:14px;background:linear-gradient(180deg,rgba(12,43,38,.05) 30%,rgba(12,43,38,.55) 100%);
}
.lock-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,253,247,.94);color:var(--green);
  font-size:12px;font-weight:600;
}
.lock-badge svg{width:13px;height:13px}
.preview-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.preview-body h3{font-size:20px;line-height:1.4}
.preview-card--sm .preview-body h3{font-size:17px}
.preview-body p{font-size:14px;color:var(--sub);margin:0;line-height:1.75}
.preview-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--sub)}
.collage-foot{margin-top:28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.collage-foot p{margin:0;font-size:14px;color:var(--sub)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.news-card{
  display:grid;grid-template-columns:148px 1fr;gap:18px;
  padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  color:inherit;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.news-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow-sm);background:#FFFEF9;color:inherit}
.news-thumb{aspect-ratio:4/3;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-soft);border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--sub);flex-wrap:wrap}
.news-body h3{
  font-size:17px;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13.5px;color:var(--sub);margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:180px;max-height:220px;padding:32px 24px;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);
  text-align:center;
}
.news-empty p{margin:0;color:var(--sub);font-size:14.5px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.4fr;gap:56px;align-items:start}
.faq-aside p{font-size:15px;color:var(--sub);max-width:340px}
.faq-aside .btn{margin-top:12px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:padding .16s ease}
.faq-item.is-open{border-left:3px solid var(--copper);padding-left:18px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:0;cursor:pointer;
  font-size:16px;color:var(--ink);text-align:left;line-height:1.6;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--green)}
.faq-item.is-open .faq-q{color:var(--green);font-weight:600}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  border:1px solid var(--line);border-radius:50%;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);transition:transform .16s ease,opacity .16s ease;
}
.faq-icon::before{left:5px;right:5px;top:50%;height:1.5px;transform:translateY(-50%)}
.faq-icon::after{top:5px;bottom:5px;left:50%;width:1.5px;transform:translateX(-50%)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .16s ease}
.faq-a p{margin:0;padding:0 0 22px;font-size:14.5px;color:var(--sub);line-height:1.85;max-width:660px}

/* ---------- join ---------- */
.join-panel{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.join-left{background:var(--green);color:#E8EFEA;padding:52px 48px;position:relative;overflow:hidden}
.join-left::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;
  border:1px solid rgba(240,216,197,.24);border-radius:50%;
}
.join-left h2{color:#fff;font-size:28px;margin-bottom:14px}
.join-left > p{font-size:14.5px;color:rgba(232,239,234,.86);max-width:400px}
.join-points{margin:26px 0 0;display:grid;gap:14px}
.join-points li{display:grid;grid-template-columns:26px 1fr;gap:12px;font-size:14.5px;line-height:1.7}
.join-points span.num{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:6px;
  background:rgba(240,216,197,.18);color:var(--copper-light);
  font-size:12px;font-weight:700;font-family:var(--serif);
}
.join-right{background:var(--card);padding:52px 48px}
.join-right h3{font-size:20px;margin-bottom:6px}
.join-right .form-note{font-size:13.5px;color:var(--sub);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--green);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);font-family:inherit;font-size:15px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--copper);box-shadow:0 0 0 3px rgba(201,111,59,.18);outline:none;
}
.field input::placeholder,.field textarea::placeholder{color:#A3ADA8}
.field-error{display:none;font-size:12.5px;color:var(--err);margin-top:6px}
.field.is-invalid input,.field.is-invalid select{border-color:var(--err)}
.field.is-invalid .field-error{display:block}
.form-status{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);
  font-size:13.5px;line-height:1.7;
}
.form-status.is-ok{display:block;background:rgba(47,125,94,.12);color:#225E46;border:1px solid rgba(47,125,94,.28)}
.form-status.is-err{display:block;background:rgba(180,85,45,.1);color:var(--err);border:1px solid rgba(180,85,45,.26)}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:#CBD8D2;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-name{color:#fff;font-size:20px}
.footer-brand p{font-size:14px;color:rgba(203,216,210,.8);margin:16px 0 0;max-width:320px;line-height:1.8}
.footer-col h4{font-size:14px;color:#fff;font-family:var(--sans);letter-spacing:.08em;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(203,216,210,.86)}
.footer-col a:hover{color:var(--copper-light)}
.footer-col p{font-size:14px;color:rgba(203,216,210,.8);margin:0 0 10px;line-height:1.8}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(216,208,194,.18);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(203,216,210,.68);
}

/* ---------- mobile tabbar ---------- */
.tabbar{display:none}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .hero h1{font-size:40px}
  .hero-grid{gap:40px}
  .join-left,.join-right{padding:44px 36px}
}
@media (max-width:992px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:560px}
  .hero-badge-card{position:static;width:auto;margin-top:18px;left:auto;bottom:auto}
  .hero-figure{aspect-ratio:16/10}
  .tiers{grid-template-columns:1fr;gap:28px}
  .tier-aside{position:static}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .collage{grid-template-columns:1fr}
  .join-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .news-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-links{display:none}
  .brand-en{display:none}
  .nav-inner{height:64px;padding:0 16px}
  .container{padding:0 18px}
  .hero h1{font-size:32px}
  .hero-lead{font-size:15.5px}
  .section-head h2{font-size:25px}
  .hero-stats li{padding-right:20px;margin-right:20px}
  .hero-stats strong{font-size:22px}
  .matrix-foot{padding:18px}
  .swipe-tip{display:block}
  .faq-item.is-open{padding-left:14px}
  .join-left,.join-right{padding:34px 24px}
  .join-left h2{font-size:24px}
  .news-card{grid-template-columns:112px 1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 26px}
  .footer-bottom{margin-top:34px}
  .tabbar{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:#FFFDF7;border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(18,60,53,.06);
  }
  .tabbar a{
    height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--sub);line-height:1.2;
  }
  .tabbar a svg{width:22px;height:22px;display:block}
  .tabbar a.active{color:var(--green);font-weight:600}
  .tab-ico{position:relative;display:inline-flex}
  .tabbar a.active .tab-ico::after{
    content:"";position:absolute;right:-6px;top:-3px;width:6px;height:6px;
    border-radius:50%;background:var(--copper);
  }
  body{padding-bottom:84px}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .hero-stats{flex-wrap:wrap;gap:16px 0}
  .hero-stats li{padding-right:16px;margin-right:16px}
  .section{padding:56px 0}
  .news-card{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .tier-row{grid-template-columns:1fr;gap:12px;padding:22px}
  .tier-index{font-size:34px}
  .join-left,.join-right{padding:28px 20px}
  .brand-name{font-size:18px}
}

/* roulang page: article */
:root{
  --ink:#123C35;
  --ink-deep:#0C2B26;
  --green-2:#1F5A4D;
  --copper:#C96F3B;
  --copper-soft:#F0D8C5;
  --bg:#F7F3EA;
  --paper:#FBF8F1;
  --card:#FFFDF7;
  --text:#18221F;
  --muted:#66736D;
  --line:#D8D0C2;
  --success:#2F7D5E;
  --error:#B4552D;
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:16px;
  --shadow:0 16px 40px rgba(18,60,53,.08);
  --shadow-soft:0 6px 18px rgba(18,60,53,.06);
  --font-head:"Songti SC","Source Han Serif SC","Noto Serif SC",SimSun,"Times New Roman",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px}
::selection{background:var(--copper-soft);color:var(--ink-deep)}

/* ---------- 容器与基础排版 ---------- */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{
  font-family:var(--font-head);
  font-size:30px;
  line-height:1.35;
  color:var(--ink);
  letter-spacing:-.2px;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:4px;border-radius:2px;
  background:var(--copper);
}
.section-head p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-top:8px;padding-left:16px;max-width:56ch}
.link-more{font-size:14.5px;font-weight:600;color:var(--copper);border-bottom:1px solid rgba(201,111,59,.45);padding-bottom:2px;transition:color .18s,border-color .18s}
.link-more:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:background-color .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 4px 12px rgba(18,60,53,.16)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,60,53,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px rgba(18,60,53,.2)}
.btn-ghost{background:var(--card);border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--copper);border-bottom:1px solid rgba(201,111,59,.4);padding-bottom:2px;transition:color .18s,border-color .18s}
.btn-text:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,243,234,.94);
  border-bottom:1px solid var(--line);
  transition:background-color .2s,box-shadow .2s;
}
.site-header.is-scrolled{background:#F4EFE4;box-shadow:0 6px 20px rgba(18,60,53,.08)}
.nav-inner{
  max-width:1180px;margin:0 auto;padding:0 24px;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand-name{font-family:var(--font-head);font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.6px}
.brand-en{font-size:10px;font-weight:600;letter-spacing:.3em;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;color:var(--text);padding:6px 0;
  transition:color .18s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:1px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
  padding-top:28px;margin-bottom:24px;
}
.crumb a{transition:color .18s}
.crumb a:hover{color:var(--copper)}
.crumb .sep{color:#BFB6A5}
.crumb .cur{color:var(--ink);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:linear-gradient(180deg,var(--paper) 0%,#F5F0E5 100%);
  border-bottom:1px solid var(--line);
  padding-bottom:8px;
}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 13px;
  border-radius:999px;
  background:var(--copper-soft);
  color:#8A4720;
  font-size:12.5px;font-weight:700;letter-spacing:.5px;
}
.post-title{
  font-family:var(--font-head);
  font-size:41px;
  line-height:1.28;
  letter-spacing:-.5px;
  color:var(--ink);
  margin:18px 0 22px;
  max-width:26ch;
}
.post-meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-bottom:28px;
  font-size:14px;color:var(--muted);
}
.post-meta span{display:inline-flex;align-items:center;gap:7px}
.post-meta svg{width:15px;height:15px;stroke:var(--copper);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ---------- 阅读区 ---------- */
.article-main{padding:56px 0 8px}
.article-wrap{
  max-width:820px;
  margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:44px 48px 52px;
}
.article-body{max-width:720px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-family:var(--font-head);
  font-size:26px;line-height:1.4;color:var(--ink);
  margin:2.2em 0 .7em;
  padding-left:14px;
  border-left:4px solid var(--copper);
  letter-spacing:-.2px;
}
.article-body h3{
  font-size:19.5px;line-height:1.5;color:var(--ink);
  margin:1.8em 0 .6em;font-weight:700;
}
.article-body h4{font-size:17px;color:var(--green-2);margin:1.6em 0 .5em}
.article-body a{color:var(--copper);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--ink)}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.3em}
.article-body ul li{list-style:disc;margin-bottom:.45em}
.article-body ol li{list-style:decimal;margin-bottom:.45em}
.article-body li::marker{color:var(--copper)}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;
  border-left:3px solid var(--copper);
  background:#FBF6EC;
  border-radius:0 10px 10px 0;
  color:#3F4C47;
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:1.7em auto;width:100%;height:auto}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:#F1EBDD;color:var(--ink);font-weight:600}
.article-body tr:nth-child(even) td{background:#FCFAF4}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:#F1EBDD;border-radius:4px;padding:2px 6px;font-size:14px}
.lead{
  font-size:16.5px;line-height:1.85;color:#3A4A44;
  background:#FBF6EC;
  border-left:3px solid var(--copper);
  border-radius:0 10px 10px 0;
  padding:15px 20px;
  margin:0 0 1.8em;
}

/* ---------- 文内会员提示 ---------- */
.member-note{
  max-width:820px;margin:28px auto 0;
  display:flex;align-items:flex-start;gap:18px;flex-wrap:wrap;
  background:#F1F6F1;
  border:1px solid #D5E2D7;
  border-radius:var(--radius);
  padding:24px 26px;
}
.member-note .note-icon{
  width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;
  background:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.member-note .note-icon svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.member-note .note-txt{flex:1 1 260px;min-width:0}
.member-note h3{font-size:17px;color:var(--ink);font-weight:700;margin-bottom:6px}
.member-note p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.member-note .btn{flex:0 0 auto;align-self:center}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.rel-card:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.rel-thumb{
  flex:0 0 132px;width:132px;aspect-ratio:4/3;
  border-radius:8px;overflow:hidden;background:#EFE9DC;
  border:1px solid var(--line);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{min-width:0}
.rel-cat{font-size:12px;font-weight:700;color:var(--copper);letter-spacing:.6px}
.rel-body h3{font-size:16px;line-height:1.5;color:var(--ink);margin:6px 0 8px;font-weight:700}
.rel-body p{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  background:var(--ink);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(12,43,38,.22);
}
.cta-left{padding:48px 44px;color:#E9F0EC}
.cta-left h2{font-family:var(--font-head);font-size:29px;line-height:1.4;color:#fff;margin-bottom:14px}
.cta-left > p{font-size:14.8px;line-height:1.85;color:#B9CBC4;max-width:44ch}
.steps{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.steps li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:#D3E0DA;line-height:1.7}
.steps .num{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  border:1px solid rgba(240,216,197,.55);color:var(--copper-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;margin-top:2px;
}
.cta-right{background:var(--card);padding:42px 40px}
.cta-right h3{font-size:18px;color:var(--ink);font-weight:700;margin-bottom:6px}
.cta-right .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px;line-height:1.7}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.form-control{
  width:100%;height:48px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .18s,box-shadow .18s;
}
.form-control::placeholder{color:#A8B0AB}
.form-control:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(201,111,59,.16)}
textarea.form-control{height:auto;min-height:92px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.6}
.form-msg{margin-top:14px;font-size:13.5px;border-radius:8px;padding:10px 14px;display:none;line-height:1.7}
.form-msg.is-ok{display:block;background:#EDF5F0;color:var(--success);border:1px solid #CBE1D5}
.form-msg.is-err{display:block;background:#FBEDE7;color:var(--error);border:1px solid #EFD2C5}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:720px;margin:64px auto 80px;
  text-align:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:64px 32px;
  box-shadow:var(--shadow-soft);
}
.empty-state .empty-mark{
  width:56px;height:56px;margin:0 auto 20px;border-radius:50%;
  border:1px solid var(--line);background:#F5F0E5;
  display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-mark svg{width:24px;height:24px;stroke:var(--copper);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state h1{font-family:var(--font-head);font-size:26px;color:var(--ink);margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--muted);line-height:1.85;max-width:44ch;margin:0 auto 26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#C9D6D1;padding:64px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-name{display:block;font-family:var(--font-head);font-size:20px;font-weight:700;color:#fff;letter-spacing:.6px;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB2AC;max-width:34ch}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#9FB2AC;transition:color .18s}
.footer-col a:hover{color:var(--copper-soft)}
.footer-col p{font-size:13.5px;line-height:1.8;color:#8FA39D;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(216,208,194,.16);
  padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#7E928C;
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .post-title{font-size:36px}
  .cta-left{padding:40px 34px}
  .cta-right{padding:36px 32px}
}
@media (max-width:992px){
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr}
  .article-wrap{padding:36px 32px 42px}
  .post-title{font-size:32px;max-width:none}
}
@media (max-width:768px){
  :root{--nav-h:62px}
  body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
  .container{padding:0 18px}
  .nav-links{display:none}
  .nav-cta .btn{height:34px;padding:0 14px;font-size:13.5px}
  .brand-name{font-size:17px}
  .brand-en{font-size:9px;letter-spacing:.24em}
  .section{padding:52px 0}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:24px}
  .section-head p{font-size:13.5px}
  .crumb{padding-top:18px;font-size:12.5px;margin-bottom:18px}
  .crumb .cur{white-space:normal;max-width:100%}
  .post-title{font-size:29px;line-height:1.32}
  .post-meta{gap:8px 18px;font-size:13px;padding-bottom:20px}
  .article-main{padding:32px 0 0}
  .article-wrap{border-radius:var(--radius);padding:26px 20px 32px;box-shadow:none}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:22px;margin-top:1.9em}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .member-note{padding:20px 18px}
  .member-note .btn{width:100%;margin-top:4px}
  .rel-thumb{flex:0 0 104px;width:104px}
  .cta-left{padding:32px 22px}
  .cta-left h2{font-size:24px}
  .cta-right{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12px}
  .site-footer{margin-top:56px;padding-top:48px}
  .mobile-tabbar{
    display:flex;
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    height:calc(62px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,253,247,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(18,60,53,.07);
  }
  .mobile-tabbar a{
    flex:1 1 0;min-width:0;
    position:relative;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--muted);
    transition:color .18s;
  }
  .mobile-tabbar a::after{
    content:"";position:absolute;top:5px;left:50%;transform:translateX(-50%);
    width:4px;height:4px;border-radius:50%;background:var(--copper);opacity:0;
    transition:opacity .18s;
  }
  .mobile-tabbar a.active{color:var(--ink);font-weight:600}
  .mobile-tabbar a.active::after{opacity:1}
  .mobile-tabbar svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
}
@media (max-width:480px){
  .post-title{font-size:25px}
  .article-wrap{padding:22px 16px 28px}
  .cta-left h2{font-size:22px}
  .rel-card{flex-direction:column}
  .rel-thumb{width:100%;flex:none;aspect-ratio:16/9}
  .empty-state{padding:44px 20px}
}

/* roulang page: category1 */
:root{
  --ink:#123C35;
  --ink-deep:#0C2B26;
  --green:#1F5A4D;
  --copper:#C96F3B;
  --copper-light:#F0D8C5;
  --copper-soft:#FBF1E6;
  --bg:#F7F3EA;
  --card:#FFFDF7;
  --text:#18221F;
  --muted:#66736D;
  --line:#D8D0C2;
  --ok:#2F7D5E;
  --warn:#B4552D;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC",STSong,serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 16px 40px rgba(18,60,53,.08);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);color:var(--ink);line-height:1.3;letter-spacing:.01em;font-weight:700}
h1{font-size:42px;line-height:1.25}
h2{font-size:30px;line-height:1.32}
h3{font-size:21px;line-height:1.4}
strong{color:var(--ink);font-weight:600}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,60,53,.2)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--copper);font-size:15px;font-weight:600;
  border-bottom:1px solid rgba(201,111,59,.45);padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.link-more:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{background:rgba(247,243,234,.99);box-shadow:0 8px 24px rgba(18,60,53,.07)}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:flex;align-items:baseline;gap:9px;flex-shrink:0}
.brand-name{
  font-family:var(--font-serif);font-size:21px;font-weight:700;
  color:var(--ink);letter-spacing:.02em;
}
.brand-en{font-size:10px;letter-spacing:.22em;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;color:var(--muted);
  padding:6px 0;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-cta{flex-shrink:0}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabs{display:none}
.mobile-tabs a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);position:relative;transition:color .18s ease;
}
.mobile-tabs svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabs a.active{color:var(--ink);font-weight:600}
.mobile-tabs a.active::after{
  content:"";position:absolute;top:6px;left:50%;margin-left:12px;
  width:6px;height:6px;border-radius:50%;background:var(--copper);
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:780px;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.18em;font-weight:600;
  color:var(--copper);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--copper)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{transition:color .18s ease}
.crumbs a:hover{color:var(--copper)}
.crumbs span.sep{color:#B9B1A2}

/* ---------- Hero ---------- */
.hero{padding:36px 0 80px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border:1px solid rgba(18,60,53,.07);border-radius:50%;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;position:relative}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--copper-soft);color:var(--copper);
  border:1px solid var(--copper-light);border-radius:999px;
  font-size:13px;font-weight:600;padding:6px 14px;margin-bottom:20px;
}
.hero-tag::before{content:"";width:6px;height:6px;background:var(--copper);border-radius:2px}
.hero h1 .accent{color:var(--copper)}
.hero-sub{font-size:17px;color:var(--muted);max-width:540px;margin-top:20px;line-height:1.85}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-metrics{
  display:flex;gap:44px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.metric-num{font-size:27px;font-weight:700;color:var(--ink);letter-spacing:.01em;line-height:1.2}
.metric-label{font-size:13px;color:var(--muted);margin-top:4px}
.hero-media{position:relative}
.hero-media img{
  width:100%;height:420px;object-fit:cover;border-radius:16px;
  border:1px solid rgba(18,60,53,.1);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(180deg,rgba(18,60,53,0) 40%,rgba(12,43,38,.34) 100%);
  pointer-events:none;
}
.hero-card{
  position:absolute;left:22px;bottom:22px;width:min(300px,calc(100% - 44px));
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;z-index:2;
}
.hero-card h3{font-size:15px;font-family:var(--font-sans);font-weight:700;color:var(--ink);margin-bottom:12px;letter-spacing:.02em}
.hero-card ul li{
  display:flex;justify-content:space-between;gap:10px;
  font-size:13.5px;color:var(--muted);padding:7px 0;border-bottom:1px dashed rgba(216,208,194,.9);
}
.hero-card ul li:last-child{border-bottom:0;padding-bottom:0}
.hero-card ul li b{color:var(--ink);font-weight:600;font-size:13.5px}

/* ---------- 权益对照矩阵 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.benefit{width:100%;border-collapse:collapse;min-width:780px;font-size:14.5px}
.benefit th,.benefit td{
  padding:15px 18px;text-align:left;vertical-align:middle;
  border-bottom:1px solid var(--line);
}
.benefit thead th{
  background:#F1EBDE;color:var(--ink);font-weight:700;font-size:14.5px;
  font-family:var(--font-sans);white-space:nowrap;
}
.benefit thead th.rec{
  background:var(--copper-light);
  box-shadow:inset 0 3px 0 var(--copper);
}
.benefit thead th .tag-rec{
  display:inline-block;margin-left:8px;font-size:11px;font-weight:700;
  background:var(--copper);color:#fff;border-radius:999px;padding:2px 8px;letter-spacing:.04em;
}
.benefit tbody th[scope="row"]{
  position:sticky;left:0;z-index:2;background:var(--card);
  font-family:var(--font-sans);font-weight:600;color:var(--ink);
  min-width:186px;border-right:1px solid var(--line);font-size:14.5px;
}
.benefit tbody tr:hover td{background:#FBF8F0}
.benefit tbody tr:hover th[scope="row"]{background:#FBF8F0}
.benefit td.rec{background:#FDF6EF}
.benefit tbody tr:hover td.rec{background:#FBEDE1}
.benefit tr.group-row td,.benefit tr.group-row th{
  background:#F4EFE3;color:var(--green);font-weight:700;font-size:13px;
  letter-spacing:.12em;padding:11px 18px;
}
.benefit tr.group-row:hover td{background:#F4EFE3}
.tick{
  display:inline-flex;align-items:center;justify-content:center;
  width:19px;height:19px;border-radius:5px;
  background:var(--copper-light);color:var(--copper);
  font-size:12px;font-weight:700;line-height:1;
}
.dash{color:#B9B1A2}
.scroll-hint{
  display:none;font-size:13px;color:var(--muted);margin-top:12px;
  align-items:center;gap:6px;
}
.table-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px;background:#FBF8F0;border-top:1px solid var(--line);flex-wrap:wrap;
}
.table-foot p{font-size:13.5px;color:var(--muted);margin:0;max-width:620px}

/* ---------- 等级阶梯 ---------- */
.levels{display:grid;grid-template-columns:330px 1fr;gap:44px;align-items:start}
.level-aside{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;
}
.level-aside h3{font-size:18px;margin-bottom:12px}
.level-aside p{font-size:14.5px;color:var(--muted)}
.level-aside ul{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.level-aside ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted);margin-bottom:10px;line-height:1.75;
}
.level-aside ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  background:var(--copper);border-radius:1px;
}
.level-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:26px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 30px;margin-bottom:16px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.level-item:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}
.level-item.recommend{background:var(--copper-soft);border-color:var(--copper-light)}
.level-num{
  font-family:var(--font-serif);font-size:42px;font-weight:700;line-height:1;
  color:rgba(18,60,53,.18);letter-spacing:.02em;
}
.level-item.recommend .level-num{color:rgba(201,111,59,.4)}
.level-body h3{font-size:20px;margin-bottom:6px}
.level-body .level-desc{font-size:14px;color:var(--muted);margin-bottom:12px}
.level-points{display:flex;flex-wrap:wrap;gap:8px 10px}
.level-points li{
  font-size:13px;color:var(--green);background:#F1EDE2;
  border:1px solid rgba(31,90,77,.14);border-radius:999px;padding:4px 12px;
}
.level-item.recommend .level-points li{background:#fff;border-color:var(--copper-light);color:var(--copper)}
.level-cta{font-size:14.5px;white-space:nowrap}

/* ---------- 权益使用说明 ---------- */
.steps-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.steps-media img{
  width:100%;height:320px;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line);
}
.steps-media .media-note{
  margin-top:14px;font-size:13px;color:var(--muted);
}
.steps-list{border-top:1px solid var(--line)}
.steps-list li{
  display:grid;grid-template-columns:58px 1fr;gap:18px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.steps-list .step-idx{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--copper);
  letter-spacing:.06em;padding-top:3px;
}
.steps-list h3{font-size:18px;margin-bottom:8px}
.steps-list p{font-size:15px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-aside h2{font-size:28px}
.faq-aside p{color:var(--muted);font-size:15px;margin-top:14px}
.faq-aside .faq-cta{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line);padding-left:18px}
.faq-item::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;
  background:var(--copper);opacity:0;transition:opacity .16s ease;
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;background:none;border:0;padding:20px 0;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  text-align:left;font-family:var(--font-sans);font-size:16.5px;font-weight:600;
  color:var(--ink);line-height:1.6;transition:color .16s ease;
}
.faq-q:hover{color:var(--copper)}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:6px;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--green);line-height:1;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
  margin-top:2px;
}
.faq-item.open .faq-icon{background:var(--copper);border-color:var(--copper);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a-inner{padding:0 0 22px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:640px}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;
  border-radius:16px;overflow:hidden;border:1px solid rgba(18,60,53,.14);
  box-shadow:var(--shadow);
}
.cta-info{background:var(--ink);color:#E7EDE9;padding:48px 44px}
.cta-info h2{color:#fff;font-size:28px;margin-bottom:14px}
.cta-info .lead{color:#BCCBC5;font-size:15.5px;margin-bottom:26px}
.cta-summary{border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.cta-summary li{
  display:flex;justify-content:space-between;gap:16px;
  font-size:14px;color:#BCCBC5;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12);
}
.cta-summary li:last-child{border-bottom:0}
.cta-summary li b{color:#fff;font-weight:600}
.cta-steps{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.cta-steps span{
  font-size:12.5px;color:#E7EDE9;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:5px 12px;
}
.cta-form{background:var(--card);padding:48px 44px}
.cta-form h3{font-size:20px;margin-bottom:6px}
.cta-form .form-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.form-row .req{color:var(--copper)}
input[type="text"],input[type="tel"],input[type="email"],select,textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;padding:0 14px;font-family:var(--font-sans);font-size:15px;color:var(--text);
  transition:border-color .16s ease,box-shadow .16s ease;
}
textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(201,111,59,.16);
}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.7}
.form-msg{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:var(--radius-sm);
  font-size:14px;line-height:1.7;
}
.form-msg.ok{display:block;background:#E7F2EC;border:1px solid #BEDCCB;color:var(--ok)}
.form-msg.err{display:block;background:#FBEDE5;border:1px solid #EBC9B4;color:var(--warn)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:#C2CFC9;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand-name{color:#fff;font-size:20px;display:block;margin-bottom:14px}
.footer-brand p{font-size:14px;color:#9FB0A9;line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--font-sans);letter-spacing:.04em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#9FB0A9;transition:color .18s ease}
.footer-col ul li a:hover{color:var(--copper)}
.footer-col p{font-size:14px;color:#9FB0A9;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8FA29B;
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:36px}
  .levels{grid-template-columns:290px 1fr;gap:32px}
  .steps-layout{gap:36px}
}
@media (max-width:992px){
  h1{font-size:36px}
  h2{font-size:27px}
  .section{padding:72px 0}
  .hero{padding:28px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:340px}
  .hero-card{position:static;width:auto;margin-top:-56px;margin-left:24px;margin-right:24px;box-shadow:var(--shadow)}
  .hero-media::after{display:none}
  .hero-metrics{gap:32px;margin-top:32px}
  .levels{grid-template-columns:1fr}
  .level-aside{position:static}
  .steps-layout{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr}
  .cta-info,.cta-form{padding:36px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{padding-bottom:84px}
  .nav-links{display:none}
  .nav-inner{height:60px;padding:0 18px;gap:14px}
  .brand-name{font-size:18px}
  .brand-en{display:none}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  .hero{padding:22px 0 48px}
  .hero-sub{font-size:15.5px;margin-top:16px}
  .hero-actions{gap:10px;margin-top:24px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-media img{height:260px;border-radius:12px}
  .hero-card{margin:-48px 14px 0;padding:16px 18px}
  .hero-metrics{gap:22px;margin-top:28px;padding-top:20px}
  .metric-num{font-size:22px}
  .scroll-hint{display:flex}
  .table-foot{padding:18px}
  .level-item{grid-template-columns:1fr;gap:12px;padding:22px 20px}
  .level-num{font-size:32px}
  .level-cta{justify-self:start}
  .steps-list li{grid-template-columns:44px 1fr;gap:12px;padding:20px 0}
  .faq-q{font-size:15.5px;padding:18px 0}
  .cta-info,.cta-form{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:52px 0 22px}
  .footer-bottom{flex-direction:column;gap:8px}
  .mobile-tabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;height:62px;
    background:rgba(255,253,247,.98);
    border-top:1px solid var(--line);z-index:70;
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(18,60,53,.06);
  }
}
@media (max-width:480px){
  h1{font-size:27px}
  .hero-metrics{gap:18px}
  .hero-metrics > div{flex:1 1 40%}
  .btn{padding:12px 18px;font-size:14.5px}
  .hero-actions .btn{width:100%}
  .level-points li{font-size:12.5px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --ink:#123C35;
  --ink-deep:#0C2B26;
  --green-2:#1F5A4D;
  --copper:#C96F3B;
  --copper-light:#F0D8C5;
  --paper:#F7F3EA;
  --card:#FFFDF7;
  --text:#18221F;
  --muted:#66736D;
  --line:#D8D0C2;
  --success:#2F7D5E;
  --error:#B4552D;

  --radius-card:12px;
  --radius-btn:8px;
  --shadow-soft:0 16px 40px rgba(18,60,53,.08);
  --shadow-hover:0 20px 48px rgba(18,60,53,.14);

  --font-serif:"Songti SC","SimSun","Source Han Serif SC","Noto Serif SC",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;

  --space-block:92px;
  --w-container:1180px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  color:var(--ink);
  margin:0;
  line-height:1.28;
  font-weight:700;
  letter-spacing:.01em;
}
p{margin:0 0 1em;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--copper);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  padding:13px 24px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .16s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,60,53,.2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper);transform:translateY(-1px);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--copper);
  border-bottom:1px solid rgba(201,111,59,.45);
  padding-bottom:2px;
  transition:border-color .18s ease,color .18s ease;
}
.link-arrow:hover{border-color:var(--copper);color:var(--ink);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.6;font-weight:600;
  background:rgba(18,60,53,.07);
  color:var(--ink);
  border:1px solid rgba(18,60,53,.1);
}
.tag-copper{background:var(--copper-light);color:#8A4520;border-color:rgba(201,111,59,.28);}
.tag-lock{background:rgba(24,34,31,.06);color:var(--muted);border-color:var(--line);}
.tag-sm{font-size:11.5px;padding:3px 10px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,234,.94);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{background:#F7F3EA;box-shadow:0 6px 20px rgba(18,60,53,.07);}
.nav-inner{
  max-width:var(--w-container);margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:32px;
}
.brand{display:flex;align-items:baseline;gap:9px;flex-shrink:0;}
.brand-name{
  font-family:var(--font-serif);
  font-size:20px;font-weight:700;color:var(--ink);letter-spacing:.02em;
}
.brand-en{
  font-size:10.5px;letter-spacing:.22em;font-weight:700;
  color:var(--copper);text-transform:uppercase;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 14px;font-size:15px;color:var(--green-2);font-weight:500;
  border-radius:6px;
  transition:color .16s ease,background .16s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--copper);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{margin-left:8px;flex-shrink:0;}

/* ============ 移动端底部 Tab ============ */
.mobile-tabs{display:none;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  padding:64px 0 60px;
  background:
    linear-gradient(100deg,rgba(12,43,38,.93) 0%,rgba(18,60,53,.86) 52%,rgba(18,60,53,.74) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#F3EFE5;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:420px;height:420px;
  border:1px solid rgba(240,216,197,.16);border-radius:50%;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(243,239,229,.7);margin-bottom:22px;
}
.crumbs a{color:rgba(243,239,229,.78);}
.crumbs a:hover{color:#F0D8C5;}
.crumbs span.sep{opacity:.5;}
.hero-flex{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.cat-hero h1{
  color:#FFFDF7;font-size:42px;line-height:1.24;margin-bottom:18px;
}
.cat-hero h1 em{
  font-style:normal;color:var(--copper-light);
}
.hero-sub{
  font-size:16.5px;color:rgba(243,239,229,.86);max-width:520px;line-height:1.85;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.cat-hero .btn-primary{background:var(--copper);border-color:var(--copper);color:#fff;}
.cat-hero .btn-primary:hover{background:#B25E2E;border-color:#B25E2E;box-shadow:0 12px 26px rgba(0,0,0,.22);}
.cat-hero .btn-ghost{background:transparent;color:#F3EFE5;border-color:rgba(240,216,197,.42);}
.cat-hero .btn-ghost:hover{color:#fff;border-color:var(--copper-light);background:rgba(240,216,197,.1);}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stats .stat-num{
  display:block;font-family:var(--font-sans);font-size:24px;font-weight:700;
  color:#F0D8C5;letter-spacing:.01em;line-height:1.2;
}
.hero-stats .stat-label{font-size:12.5px;color:rgba(243,239,229,.7);letter-spacing:.04em;}

.hero-panel{
  background:rgba(255,253,247,.08);
  border:1px solid rgba(240,216,197,.28);
  border-radius:var(--radius-card);
  padding:24px 24px 20px;
  backdrop-filter:blur(2px);
}
.hero-panel h2{
  color:#FFFDF7;font-size:16px;margin-bottom:14px;letter-spacing:.06em;
  font-family:var(--font-sans);font-weight:700;
}
.hero-panel ul{display:grid;gap:12px;}
.hero-panel li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(243,239,229,.85);line-height:1.7;
}
.hero-panel li i{
  flex-shrink:0;width:7px;height:7px;margin-top:9px;border-radius:2px;
  background:var(--copper);display:block;
}
.hero-panel .panel-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(240,216,197,.2);
  font-size:12.5px;color:rgba(243,239,229,.62);
}

/* ============ 通用板块 ============ */
.section{padding:var(--space-block) 0;}
.section-alt{background:#FDFBF3;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--copper);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--copper);display:block;}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;line-height:1.8;}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 目录 + 内容类型 ============ */
.catalog-layout{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;}
.catalog-aside{position:sticky;top:96px;}
.catalog-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;
}
.catalog-card h2{
  font-size:15px;font-family:var(--font-sans);font-weight:700;letter-spacing:.1em;
  color:var(--ink);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.catalog-nav{display:grid;gap:2px;}
.catalog-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:7px;font-size:14.5px;color:var(--green-2);
  border-left:2px solid transparent;transition:all .16s ease;
}
.catalog-nav a:hover{background:rgba(18,60,53,.05);color:var(--ink);border-left-color:var(--copper);}
.catalog-nav a span.num{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.06em;}
.catalog-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.75;
}
.catalog-card .btn{margin-top:16px;}

.type-list{display:grid;gap:20px;}
.type-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 26px 24px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.type-item:hover{transform:translateY(-2px);border-color:var(--green-2);box-shadow:var(--shadow-soft);}
.type-index{
  font-family:var(--font-serif);font-size:30px;font-weight:700;color:rgba(18,60,53,.22);
  line-height:1;padding-top:2px;
}
.type-item h3{font-size:20px;margin-bottom:8px;}
.type-item p{font-size:14.8px;color:var(--muted);margin-bottom:14px;line-height:1.85;}
.type-meta{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 预览卡组（拼贴） ============ */
.collage-top{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-bottom:24px;}
.preview-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.preview-card:hover{transform:translateY(-2px);border-color:var(--green-2);box-shadow:var(--shadow-soft);}
.thumb{position:relative;overflow:hidden;background:#EFE9DC;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.preview-card:hover .thumb img{transform:scale(1.04);}
.thumb-16-9{aspect-ratio:16/9;}
.thumb-4-3{aspect-ratio:4/3;}
.thumb-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(12,43,38,.85);color:#F0D8C5;
  font-size:11.5px;font-weight:600;letter-spacing:.06em;
  padding:4px 10px;border-radius:999px;
}
.thumb-badge.lock{background:rgba(255,253,247,.92);color:var(--muted);}
.lock-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(12,43,38,.06) 0%,rgba(12,43,38,.42) 100%);
  display:flex;align-items:flex-end;justify-content:flex-start;padding:16px;
}
.lock-icon{
  width:30px;height:30px;border-radius:50%;
  background:rgba(255,253,247,.94);display:flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.lock-icon svg{width:14px;height:14px;}
.preview-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.preview-body h3{font-size:19px;line-height:1.45;}
.preview-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);
}
.collage-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ============ 使用路径 ============ */
.steps-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);}
.step{
  position:relative;padding:32px 28px 30px;
  border-right:1px solid var(--line);
  background:transparent;
  transition:background .18s ease;
}
.step:last-child{border-right:none;}
.step:hover{background:rgba(255,253,247,.9);}
.step .step-num{
  font-family:var(--font-serif);font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--copper);margin-bottom:14px;display:block;
}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.85;}
.step::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--copper);
  transition:width .25s ease;
}
.step:hover::before{width:100%;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:30px;margin-bottom:14px;}
.faq-aside p{color:var(--muted);font-size:15px;line-height:1.85;}
.faq-aside .faq-tip{
  margin-top:22px;padding:16px 18px;border-radius:10px;
  background:rgba(18,60,53,.05);border-left:3px solid var(--copper);
  font-size:13.5px;color:var(--green-2);line-height:1.8;
}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 4px 20px 0;background:none;border:none;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);font-family:var(--font-sans);
  transition:color .16s ease;
}
.faq-q:hover{color:var(--copper);}
.faq-item.open .faq-q{color:var(--ink);}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;margin-top:3px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);border-radius:2px;
  transition:transform .16s ease,opacity .16s ease;
}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px;}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px;}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .18s ease;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 40px 22px 18px;border-left:2px solid var(--copper);
  font-size:14.8px;color:var(--muted);line-height:1.9;
}

/* ============ CTA / 表单 ============ */
.cta-panel{
  background:var(--ink);color:#F3EFE5;border-radius:16px;overflow:hidden;
  display:grid;grid-template-columns:1.05fr 1fr;
}
.cta-left{padding:52px 48px;position:relative;}
.cta-left::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--copper);
}
.cta-left h2{color:#FFFDF7;font-size:30px;margin-bottom:14px;}
.cta-left > p{color:rgba(243,239,229,.78);font-size:15px;line-height:1.85;margin-bottom:26px;}
.cta-points{display:grid;gap:14px;margin-bottom:28px;}
.cta-points li{display:flex;gap:12px;font-size:14.5px;color:rgba(243,239,229,.86);line-height:1.75;}
.cta-points .dot{
  flex-shrink:0;width:20px;height:20px;border-radius:5px;background:rgba(201,111,59,.22);
  color:var(--copper-light);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.cta-right{background:#FDFBF3;padding:48px 44px;color:var(--text);}
.cta-right h3{font-size:20px;margin-bottom:6px;}
.cta-right .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:24px;}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px;
}
.form-row .req{color:var(--copper);margin-left:2px;}
.form-control{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#FFFDF7;color:var(--text);
  transition:border-color .16s ease,box-shadow .16s ease;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:88px;}
.form-control:focus{
  outline:none;border-color:var(--copper);box-shadow:0 0 0 3px rgba(201,111,59,.18);
}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.6;}
.form-msg{
  display:none;margin-top:14px;padding:11px 14px;border-radius:8px;
  font-size:13.5px;line-height:1.7;
}
.form-msg.show{display:block;}
.form-msg.ok{background:rgba(47,125,94,.1);border:1px solid rgba(47,125,94,.3);color:#276C50;}
.form-msg.err{background:rgba(180,85,45,.1);border:1px solid rgba(180,85,45,.3);color:var(--error);}
.form-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(243,239,229,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid rgba(240,216,197,.16);
}
.footer-brand .brand-name{color:#FFFDF7;font-size:19px;display:block;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(243,239,229,.66);margin:0;max-width:300px;}
.footer-col h4{
  font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--copper-light);margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(243,239,229,.72);}
.footer-col a:hover{color:var(--copper-light);}
.footer-col p{font-size:13.5px;color:rgba(243,239,229,.6);margin:0 0 8px;line-height:1.75;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 26px;font-size:12.5px;color:rgba(243,239,229,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--space-block:80px;}
  .catalog-layout{gap:40px;grid-template-columns:250px 1fr;}
}
@media (max-width:992px){
  :root{--space-block:72px;}
  .hero-flex{grid-template-columns:1fr;gap:36px;}
  .cat-hero h1{font-size:36px;}
  .catalog-layout{grid-template-columns:1fr;}
  .catalog-aside{position:static;}
  .catalog-nav{grid-template-columns:repeat(2,1fr);}
  .collage-top{grid-template-columns:1fr;}
  .collage-bottom{grid-template-columns:repeat(2,1fr);}
  .steps-wrap{grid-template-columns:1fr;}
  .step{border-right:none;border-bottom:1px solid var(--line);}
  .step:last-child{border-bottom:none;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;}
  .cta-left,.cta-right{padding:40px 32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .nav-inner{gap:16px;}
  .nav-links a{padding:9px 10px;font-size:14px;}
}
@media (max-width:768px){
  :root{--space-block:56px;}
  body{padding-bottom:84px;}
  .nav-links,.nav-cta{display:none;}
  .nav-inner{height:64px;justify-content:space-between;}
  .brand-name{font-size:18px;}
  .brand-en{font-size:9.5px;}

  .cat-hero{padding:40px 0 44px;}
  .cat-hero h1{font-size:31px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .hero-stats{gap:22px;}
  .hero-stats .stat-num{font-size:21px;}

  .section-head h2,.faq-aside h2,.cta-left h2{font-size:24px;}
  .section-head-row{flex-direction:column;align-items:flex-start;}

  .catalog-nav{grid-template-columns:1fr;}
  .type-item{grid-template-columns:1fr;gap:10px;padding:22px 20px;}
  .type-index{font-size:24px;}

  .collage-bottom{grid-template-columns:1fr;}
  .preview-body{padding:16px 18px 18px;}
  .preview-body h3{font-size:17.5px;}

  .faq-q{font-size:15.5px;padding:18px 0;}
  .faq-a-inner{padding:0 20px 20px 14px;}

  .cta-left,.cta-right{padding:32px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:6px;padding-bottom:22px;}

  /* 移动端底部 Tab */
  .mobile-tabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:rgba(255,253,247,.98);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(18,60,53,.07);
  }
  .mobile-tabs a{
    flex:1;height:62px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11.5px;color:var(--muted);position:relative;
  }
  .mobile-tabs a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
  .mobile-tabs a.active{color:var(--ink);font-weight:700;}
  .mobile-tabs a.active::after{
    content:"";position:absolute;top:8px;right:calc(50% - 18px);
    width:6px;height:6px;border-radius:50%;background:var(--copper);
  }
}
@media (max-width:480px){
  .container{padding:0 18px;}
  .cat-hero h1{font-size:27px;}
  .hero-stats{flex-wrap:wrap;gap:18px 26px;}
  .btn{padding:12px 18px;font-size:14.5px;}
  .tag{font-size:11.5px;}
}