/* roulang page: index */
:root{
  --ink:#0C1511;
  --green:#123B2E;
  --green-soft:#1B5240;
  --lime:#C8F04A;
  --lime-deep:#B6E02F;
  --muted:#6B7770;
  --mint:#EAF3EE;
  --paper:#F7F8F6;
  --white:#FFFFFF;
  --line:#E3E8E4;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-sm:10px;
  --r-img:14px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(12,21,17,.04);
  --sh-2:0 12px 28px -12px rgba(12,21,17,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:180ms;
  --sec:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
::selection{background:var(--lime);color:var(--ink)}
h1{font-size:clamp(2.2rem,5.4vw,4.2rem);font-weight:800;line-height:1.08;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.15;letter-spacing:-.01em}
h3{font-size:1.3rem;font-weight:700;line-height:1.4}
p{color:var(--muted)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.wide{max-width:1080px}
.num{font-variant-numeric:tabular-nums}
.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:600;text-transform:uppercase}
section{position:relative}

/* ============ 入场动效 ============ */
.js .reveal{opacity:0;transform:translateY(12px)}
.js .reveal.is-in{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease)}
.js .reveal.d1.is-in{transition-delay:.06s}
.js .reveal.d2.is-in{transition-delay:.12s}
.js .reveal.d3.is-in{transition-delay:.18s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:0;transform:none}
  .js .reveal.is-in{transition:opacity .3s linear;transition-delay:0s!important}
  *{animation:none!important}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:.95rem;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;transition:all var(--dur) var(--ease);
  white-space:nowrap;
}
.btn .arrow{display:inline-block;transition:transform var(--dur) var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-dark{background:var(--green);color:#fff}
.btn-dark:hover{background:var(--green-soft);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:transparent;color:var(--green);border-color:var(--line)}
.btn-outline:hover{border-color:var(--green);background:var(--mint)}
.btn-sm{padding:10px 20px;font-size:.88rem}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-level{background:var(--mint);color:var(--green)}
.badge-state{background:var(--lime);color:var(--ink)}
.badge-cat{background:var(--white);border:1px solid var(--line);color:var(--muted)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(12,21,17,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex-shrink:0}
.brand-text{font-size:1.05rem;font-weight:800;letter-spacing:-.01em;color:var(--green);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:34px}
.nav-link{
  position:relative;padding:6px 0;font-size:.95rem;font-weight:500;color:var(--muted);
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{color:var(--green)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--green);font-weight:700}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--green);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(18,59,46,.94) 0%,rgba(18,59,46,.66) 52%,rgba(18,59,46,.22) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 18px);
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;padding:104px 0 88px}
.hero-copy{max-width:620px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.35);font-size:12px;letter-spacing:.12em;font-weight:600;
  color:rgba(255,255,255,.92);margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:1.05rem;line-height:1.7;color:rgba(255,255,255,.86);max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  border-top:1px solid rgba(255,255,255,.22);padding-top:26px;max-width:640px;
}
.hero-stats .val{font-size:1.6rem;font-weight:800;line-height:1.2;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.hero-stats .lbl{font-size:12px;color:rgba(255,255,255,.66);letter-spacing:.06em;margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section-paper{background:var(--paper)}
.section-white{background:var(--white)}
.section-mint{background:var(--mint)}
.section-head{max-width:720px;margin-bottom:56px}
.section-head h2{margin-bottom:14px;color:var(--ink)}
.section-head p{font-size:1rem;color:var(--muted)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:.92rem;font-weight:700;color:var(--green);
  border-bottom:1px solid var(--line);padding-bottom:3px;transition:all var(--dur) var(--ease);
}
.text-link:hover{border-color:var(--lime)}
.text-link .arrow{transition:transform var(--dur) var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}

/* ============ 权益对比 ============ */
.compare-wrap{max-width:1080px;margin:0 auto}
.table-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:separate;border-spacing:0;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
table.compare th,table.compare td{padding:18px 20px;text-align:left;font-size:.95rem;border-bottom:1px solid var(--line)}
table.compare thead th{
  font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:600;
  background:var(--white);vertical-align:bottom;
}
table.compare thead th .col-name{display:block;font-size:1.05rem;letter-spacing:0;color:var(--ink);font-weight:800;margin-bottom:2px}
table.compare tbody tr:nth-child(even) td{background:var(--paper)}
table.compare tbody tr:hover td{background:var(--mint)}
table.compare tbody th{font-weight:600;color:var(--ink);width:30%}
table.compare td{color:var(--muted)}
.col-hot{position:relative;background:var(--mint)!important}
thead .col-hot{border-top:3px solid var(--lime)}
table.compare tbody tr:nth-child(even) td.col-hot{background:var(--mint)}
table.compare .mark{color:var(--green);font-weight:700}
.compare-foot{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.7}
.compare-cards{display:none;gap:16px;grid-template-columns:1fr}

/* ============ 等级亮点 ============ */
.level-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:80px}
.level-row:last-child{margin-bottom:0}
.level-row.flip .level-media{order:2}
.level-media img{width:100%;height:340px;object-fit:cover;box-shadow:var(--sh-2)}
.level-num{
  font-size:clamp(3.4rem,7vw,5rem);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:2px var(--line);margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.level-body h3{margin-bottom:12px;color:var(--ink)}
.level-body>p{margin-bottom:24px}
.level-list{display:grid;gap:14px}
.level-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:var(--muted)}
.level-list li b{color:var(--ink);font-weight:700}
.dot{flex-shrink:0;width:18px;height:18px;border-radius:50%;background:var(--mint);border:1px solid var(--line);position:relative;margin-top:5px}
.dot::after{content:"";position:absolute;left:5px;top:5px;width:6px;height:6px;border-radius:50%;background:var(--green)}

/* ============ 专属内容预览 ============ */
.preview-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pv-card{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);box-shadow:var(--sh-1);transition:all var(--dur) var(--ease)}
.pv-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pv-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.pv-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease)}
.pv-card:hover .pv-media img{transform:scale(1.04)}
.pv-veil{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:16px;background:linear-gradient(180deg,rgba(12,21,17,0) 34%,rgba(12,21,17,.82) 100%);
  transition:transform var(--dur) var(--ease);
}
.pv-card:hover .pv-veil{transform:translateY(-6px)}
.pv-veil .badge-state{align-self:flex-start;margin-bottom:10px}
.pv-title{font-size:1rem;font-weight:700;color:#fff;line-height:1.45;margin-bottom:6px}
.pv-more{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--lime);letter-spacing:.08em;font-weight:600}
.pv-more .arrow{transition:transform var(--dur) var(--ease)}
.pv-card:hover .pv-more .arrow{transform:translateX(4px)}

/* ============ 最新资讯 ============ */
.news-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
.news-hero-card{
  grid-column:span 1;display:grid;grid-template-columns:1fr;background:var(--white);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:all var(--dur) var(--ease);
}
.news-hero-card:hover{transform:translateY(-3px);border-color:rgba(18,59,46,.3);box-shadow:var(--sh-2)}
.news-hero-card .nh-media{aspect-ratio:16/9;overflow:hidden}
.news-hero-card .nh-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.nh-body{padding:22px 24px 26px}
.nh-title{font-size:1.25rem;font-weight:700;line-height:1.45;color:var(--ink);margin:12px 0 10px;position:relative;display:inline}
.news-hero-card:hover .nh-title::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--lime)}
.nh-desc{font-size:.95rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-mini{
  display:block;position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 20px 20px 24px;box-shadow:var(--sh-1);
  transition:all var(--dur) var(--ease);
}
.news-mini::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--mint);transition:background var(--dur) var(--ease)}
.news-mini:hover{transform:translateY(-3px);border-color:rgba(18,59,46,.3);box-shadow:var(--sh-2)}
.news-mini:hover::before{background:var(--lime)}
.nm-title{font-size:.98rem;font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-empty{
  grid-column:1/-1;text-align:center;padding:72px 24px;background:var(--white);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.news-empty .empty-mark{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:var(--mint);display:flex;align-items:center;justify-content:center}
.news-empty p{margin-bottom:20px;font-size:.95rem}

/* ============ 数据条 / 证据区 ============ */
.proof-band{background:var(--green);color:#fff;position:relative;overflow:hidden}
.proof-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(200,240,74,.07) 0 1px,transparent 1px 64px);pointer-events:none}
.proof-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:72px 0}
.proof-item .pf-val{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--lime)}
.proof-item .pf-lbl{font-size:.9rem;color:rgba(255,255,255,.82);margin-top:8px}
.proof-item .pf-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:4px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0;font-size:1.05rem;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--green)}
.faq-icon{position:relative;flex-shrink:0;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--green);border-radius:2px;transform:translate(-50%,-50%);transition:transform .2s var(--ease)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-answer{padding:0 44px 24px 0;font-size:1rem;line-height:1.85;color:var(--muted);animation:faqIn .2s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(12,21,17,.96),rgba(12,21,17,.88)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:2;padding:96px 0;text-align:center;max-width:780px;margin:0 auto}
.cta-inner h2{color:#fff;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,.72);margin-bottom:32px}
.cta-pills{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.cta-pill{border:1px solid rgba(255,255,255,.28);border-radius:var(--r-btn);padding:8px 18px;font-size:13px;color:rgba(255,255,255,.85)}
.cta-pill b{color:var(--lime);font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:72px 0 32px;font-size:13px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-text{color:#fff;font-size:1.1rem}
.footer-brand p{margin-top:16px;line-height:1.8;color:rgba(255,255,255,.6);max-width:300px}
.footer-title{font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.45);font-weight:700;margin-bottom:18px}
.footer-links{display:grid;gap:12px}
.footer-links a{position:relative;padding-left:0;transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.footer-links a::before{content:"";position:absolute;left:0;top:50%;width:0;height:2px;background:var(--lime);transform:translateY(-50%);transition:width var(--dur) var(--ease)}
.footer-links a:hover{color:var(--lime);padding-left:12px}
.footer-links a:hover::before{width:8px}
.footer-contact{display:grid;gap:12px;color:rgba(255,255,255,.6)}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.42)}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(4,1fr);height:60px}
.tab-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;position:relative;font-size:11px;color:var(--muted);min-height:44px}
.tab-item svg{width:22px;height:22px;stroke:var(--muted);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.is-active{color:var(--green);font-weight:700}
.tab-item.is-active svg{stroke:var(--green)}
.tab-item.is-active::before{content:"";position:absolute;top:0;width:18px;height:3px;border-radius:0 0 3px 3px;background:var(--lime)}
body.has-tabbar{padding-bottom:76px}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .preview-track{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1023px){
  :root{--sec:80px}
  .main-nav{gap:22px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-hero-card{grid-column:span 2}
  .preview-track{grid-template-columns:repeat(2,1fr)}
  .level-row{gap:36px}
  .proof-grid{grid-template-columns:repeat(2,1fr);gap:28px;padding:56px 0}
}
@media (max-width:767px){
  :root{--sec:64px}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .main-nav .nav-link::after{display:none}
  .header-actions .btn-sm{display:none}
  .hero-inner{padding:72px 0 64px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stats .val{font-size:1.25rem}
  .level-row{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .level-row.flip .level-media{order:0}
  .level-media img{height:240px}
  .news-grid{grid-template-columns:1fr}
  .news-hero-card{grid-column:span 1}
  .compare-table-view{display:none}
  .compare-cards{display:grid}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .tabbar{display:block}
}
@media (max-width:575px){
  .container{padding:0 18px}
  .preview-track{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr;padding:48px 0}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .cta-inner{padding:72px 0}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --brand:#123B2E;
  --brand-deep:#0C1511;
  --accent:#C8F04A;
  --accent-deep:#B7DE38;
  --muted:#6B7770;
  --mint:#EAF3EE;
  --bg:#F7F8F6;
  --card:#FFFFFF;
  --line:#E3E8E4;
  --radius-card:16px;
  --radius-btn:999px;
  --radius-btn2:10px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(12,21,17,.04);
  --shadow-2:0 12px 28px -12px rgba(12,21,17,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:180ms;
  --gap:8px;
  --section:112px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--brand-deep);
  background:var(--bg);
  padding-bottom:76px;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-narrow{max-width:760px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(12,21,17,.45);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;flex-shrink:0;}
.brand-text{
  font-size:1.06rem;font-weight:800;letter-spacing:-.01em;color:var(--brand);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;font-size:.95rem;
  font-weight:500;color:#3D4A44;border-radius:8px;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:700;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),
    box-shadow var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:.88rem;}
.btn-lg{height:52px;padding:0 30px;font-size:.98rem;}
.btn-primary{background:var(--accent);color:var(--brand-deep);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary .arrow{transition:transform var(--t) var(--ease);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;color:#FFFFFF;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-outline{background:#FFFFFF;color:var(--brand);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn2);
  border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t) var(--ease);}

/* ============ 文章页头 ============ */
.article-hero{
  position:relative;overflow:hidden;background:var(--brand);
  background-image:linear-gradient(100deg,rgba(18,59,46,.94) 0%,rgba(18,59,46,.66) 55%,rgba(18,59,46,.28) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  padding:64px 0 56px;color:#FFFFFF;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:repeating-linear-gradient(135deg,#FFFFFF 0 1px,transparent 1px 14px);
}
.article-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:.78rem;letter-spacing:.04em;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.86);transition:color var(--t) var(--ease);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(255,255,255,.62);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border:1px solid rgba(200,240,74,.5);border-radius:var(--radius-badge);
  font-size:.72rem;letter-spacing:.14em;color:var(--accent);margin-bottom:18px;
}
.article-hero h1{
  font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:800;line-height:1.18;
  letter-spacing:-.02em;max-width:880px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;
  font-size:.82rem;color:rgba(255,255,255,.74);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.45);}
.article-meta .chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);
  background:rgba(200,240,74,.16);color:var(--accent);font-size:.75rem;letter-spacing:.04em;
}

/* ============ 正文 ============ */
.main-wrap{padding:56px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:56px 56px 48px;
}
.prose{font-size:17px;line-height:1.95;color:#22302A;}
.prose > * + *{margin-top:1.4em;}
.prose p{margin-bottom:1.4em;}
.prose h2{
  font-size:clamp(1.35rem,2.2vw,1.7rem);font-weight:800;line-height:1.3;
  letter-spacing:-.01em;color:var(--brand);margin:2.2em 0 0.9em;
}
.prose h3{font-size:1.2rem;font-weight:700;color:var(--brand);margin:1.6em 0 .7em;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose a{color:var(--brand);border-bottom:1px solid rgba(18,59,46,.35);}
.prose a:hover{color:var(--brand-deep);border-bottom-color:var(--accent);}
.prose strong{font-weight:700;color:var(--brand-deep);}
.prose ul,.prose ol{margin:1.2em 0;padding-left:0;}
.prose ul li,.prose ol li{position:relative;padding-left:22px;margin-bottom:.7em;color:#22302A;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--accent);
}
.prose ol{counter-reset:item;}
.prose ol li{counter-increment:item;}
.prose ol li::before{
  content:counter(item);position:absolute;left:0;top:0;font-size:.82rem;font-weight:800;
  color:var(--brand);letter-spacing:.02em;
}
.prose blockquote{
  margin:2em 0;padding:22px 26px;background:var(--mint);
  border-left:4px solid var(--accent);border-radius:0 var(--radius-btn2) var(--radius-btn2) 0;
  color:#26372F;font-size:1rem;line-height:1.9;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-img);margin:1.8em 0 .6em;box-shadow:var(--shadow-1);}
.prose figcaption,.prose .caption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:.5em;}
.prose table{font-size:.95rem;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius-btn2);overflow:hidden;}
.prose thead th{background:var(--mint);color:var(--brand);font-size:.82rem;letter-spacing:.08em;font-weight:700;}
.prose th,.prose td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.prose tbody tr:last-child td{border-bottom:0;}
.prose tbody tr:hover{background:var(--bg);}
.prose pre{
  background:var(--brand-deep);color:var(--mint);padding:18px 20px;border-radius:var(--radius-btn2);
  overflow-x:auto;font-size:.88rem;line-height:1.7;margin:1.8em 0;
}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* 正文内嵌会员条 */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--mint);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 30px;margin-top:40px;
}
.inline-cta h3{font-size:1.08rem;font-weight:700;color:var(--brand);}
.inline-cta p{font-size:.9rem;color:var(--muted);margin-top:6px;}

.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:36px;
  padding-top:28px;border-top:1px solid var(--line);
}
.back-link{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border:1px solid var(--line);border-radius:var(--radius-btn2);font-size:.88rem;
  font-weight:600;color:var(--brand);background:#FFFFFF;
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.back-link:hover{border-color:var(--brand);transform:translateY(-2px);}

.empty-state{
  text-align:center;padding:64px 24px;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .empty-mark{
  width:56px;height:56px;margin:0 auto 20px;border-radius:var(--radius-btn2);
  background:var(--mint);display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:1.2rem;font-weight:800;color:var(--brand);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:.92rem;margin-bottom:24px;}

/* ============ 推荐 ============ */
.section{padding:var(--section) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;letter-spacing:-.01em;line-height:1.2;}
.section-head p{font-size:.92rem;color:var(--muted);margin-top:10px;max-width:640px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:.88rem;font-weight:700;color:var(--brand);
  border-bottom:2px solid transparent;transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.text-link:hover{border-bottom-color:var(--accent);}
.reco-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.reco-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.reco-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,59,46,.3);}
.reco-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--mint);}
.reco-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.reco-card:hover .reco-thumb img{transform:scale(1.04);}
.reco-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reco-body h3{font-size:1.04rem;font-weight:700;line-height:1.45;}
.reco-card:hover .reco-body h3{border-bottom:2px solid var(--accent);}
.reco-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:.78rem;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-badge);
  font-size:.74rem;letter-spacing:.04em;white-space:nowrap;
}
.badge-level{background:var(--mint);color:var(--brand);font-weight:700;}
.badge-state{background:var(--accent);color:var(--brand-deep);font-weight:700;}
.badge-cat{background:#FFFFFF;border:1px solid var(--line);color:var(--muted);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item[open]{border-color:rgba(18,59,46,.28);box-shadow:var(--shadow-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 24px;font-size:1.05rem;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;width:22px;height:22px;position:relative;transition:transform 200ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 24px 24px;color:var(--muted);font-size:.96rem;animation:fadein 200ms var(--ease);}
@keyframes fadein{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-deep);color:#FFFFFF;
  padding:88px 0;margin-top:var(--section);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(100deg,transparent 40%,#C8F04A 100%),
    repeating-linear-gradient(135deg,#FFFFFF 0 1px,transparent 1px 18px);
}
.cta-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:800;line-height:1.18;letter-spacing:-.01em;max-width:620px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:.95rem;margin-top:14px;max-width:600px;}
.cta-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);font-size:.78rem;color:rgba(255,255,255,.82);letter-spacing:.03em;
}
.cta-action{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:72px 0 32px;font-size:.84rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .brand-text{color:#FFFFFF;}
.footer-brand p{margin-top:16px;max-width:300px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-title{font-size:.76rem;letter-spacing:.14em;color:rgba(255,255,255,.5);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{position:relative;display:inline-block;padding-left:0;transition:color var(--t) var(--ease),padding-left var(--t) var(--ease);}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:12px;background:var(--accent);
  transform:translateY(-50%) scaleY(0);transform-origin:center;transition:transform var(--t) var(--ease);
}
.footer-links a:hover{color:var(--accent);padding-left:12px;}
.footer-links a:hover::before{transform:translateY(-50%) scaleY(1);}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:rgba(255,255,255,.62);}
.footer-contact b{color:rgba(255,255,255,.86);font-weight:600;margin-right:6px;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:.78rem;color:rgba(255,255,255,.45);}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:flex;align-items:stretch;height:60px;}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:44px;min-height:44px;font-size:.68rem;color:var(--muted);position:relative;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-item::before{
  content:"";position:absolute;top:6px;width:16px;height:3px;border-radius:2px;background:var(--accent);
  transform:scaleX(0);transition:transform var(--t) var(--ease);
}
.tab-item.is-active{color:var(--brand);font-weight:700;}
.tab-item.is-active::before{transform:scaleX(1);}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--ease),transform 480ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.reveal.d1{transition-delay:60ms;}
.reveal.d2{transition-delay:120ms;}
.reveal.d3{transition-delay:180ms;}

@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity 200ms linear;transition-delay:0ms !important;}
  .reco-card:hover .reco-thumb img{transform:none;}
  .btn:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--section:80px;}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px;}
  .article-card{padding:44px 40px 40px;}
}
@media screen and (max-width:991px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;background:#FFFFFF;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 16px;
    box-shadow:var(--shadow-2);transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto;}
  .nav-link{padding:14px 8px;font-size:1rem;border-radius:var(--radius-btn2);}
  .nav-link::after{left:8px;right:auto;width:22px;bottom:8px;}
  .nav-link:hover{background:var(--mint);}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .tabbar{display:block;}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:72px 0;}
}
@media screen and (max-width:767px){
  :root{--section:72px;}
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .article-hero{padding:44px 0 40px;}
  .article-card{padding:32px 24px 28px;border-radius:var(--radius-card);}
  .prose{font-size:16.5px;line-height:1.95;}
  .reco-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
  .inline-cta{padding:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:575px){
  :root{--section:56px;}
  .brand-text{font-size:.98rem;}
  .article-meta{font-size:.78rem;gap:10px;}
  .section-head{margin-bottom:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:60px 0;}
  .btn-lg{height:48px;padding:0 24px;font-size:.92rem;}
}

/* roulang page: category1 */
:root{
  --brand:#123B2E;
  --brand-dark:#0C2A20;
  --accent:#C8F04A;
  --accent-dark:#B4DE32;
  --muted:#6B7770;
  --mint:#EAF3EE;
  --warm:#F7F8F6;
  --white:#FFFFFF;
  --ink:#0C1511;
  --line:#E3E8E4;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-sm:10px;
  --r-img:14px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(12,21,17,.04);
  --sh-2:0 12px 28px -12px rgba(12,21,17,.18);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:96px;
  --t:180ms cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--warm);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-wide{max-width:1080px;}
.container-narrow{max-width:760px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(12,21,17,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:var(--sp-3);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;flex-shrink:0;}
.brand-text{font-size:1.05rem;font-weight:800;letter-spacing:-.01em;color:var(--brand);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 14px;font-size:.95rem;color:var(--muted);font-weight:600;
  border-radius:var(--r-sm);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;transition:transform var(--t);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:var(--r-sm);}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.95rem;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
  border:1px solid transparent;white-space:nowrap;
}
.btn .arrow{transition:transform var(--t);display:inline-block;}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:var(--ink);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-dark{background:var(--brand);color:#fff;}
.btn-dark:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-outline:hover{border-color:var(--brand);background:var(--mint);}
.btn-sm{padding:10px 18px;font-size:.875rem;}
.btn-lg{padding:17px 34px;font-size:1rem;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;letter-spacing:.06em;
  padding:5px 10px;border-radius:var(--r-badge);line-height:1.4;}
.badge-level{background:var(--mint);color:var(--brand);}
.badge-status{background:var(--accent);color:var(--ink);}
.badge-cat{background:var(--white);border:1px solid var(--line);color:var(--muted);font-weight:600;}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-2);}
.tag{display:inline-flex;align-items:center;font-size:.8rem;color:var(--muted);font-weight:600;
  background:var(--white);border:1px solid var(--line);border-radius:999px;padding:6px 14px;transition:all var(--t);}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--mint);}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(18,59,46,.94) 0%,rgba(18,59,46,.7) 52%,rgba(18,59,46,.3) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(200,240,74,.07) 0 1px,transparent 1px 22px);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 60px;max-width:660px;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  color:var(--accent);margin-bottom:16px;}
.kicker::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
.page-hero h1{
  font-size:clamp(2.2rem,5.4vw,3.6rem);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:18px;
}
.page-hero p{font-size:1.02rem;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-chip{border:1px solid rgba(255,255,255,.32);border-radius:999px;padding:7px 16px;font-size:.8rem;
  color:rgba(255,255,255,.9);font-weight:600;background:rgba(255,255,255,.06);}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.8rem;color:var(--muted);padding:26px 0 0;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C4CCC7;}
.crumb .current{color:var(--muted);}

/* ============ 区块基础 ============ */
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-mint{background:var(--mint);}
.section-white{background:var(--white);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.15;letter-spacing:-.015em;margin-bottom:14px;color:var(--ink);}
.section-head p{color:var(--muted);font-size:1rem;line-height:1.85;}
.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.18em;color:var(--brand);opacity:.75;margin-bottom:12px;display:block;}

/* ============ 焦点赛事：左图右文 ============ */
.focus{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.focus-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);}
.focus-media img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 480ms cubic-bezier(.2,.7,.2,1);}
.focus-media:hover img{transform:scale(1.03);}
.focus-media .float-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(12,21,17,.72);color:#fff;
  font-size:.75rem;font-weight:700;letter-spacing:.08em;padding:8px 14px;border-radius:var(--r-badge);
  backdrop-filter:blur(3px);
}
.focus-body h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;line-height:1.2;margin-bottom:18px;}
.focus-body p{color:#3B4A43;margin-bottom:16px;line-height:1.9;}
.focus-list{margin-top:24px;display:grid;gap:12px;}
.focus-list li{display:flex;gap:12px;align-items:flex-start;font-size:.95rem;color:#334139;line-height:1.7;}
.focus-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:10px;flex-shrink:0;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-left:6px;border-left:1px solid var(--line);padding-left:34px;}
.tl-item{position:relative;padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-40px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 5px rgba(200,240,74,.22);
}
.tl-inner{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.tl-inner:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,59,46,.3);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;}
.tl-stage{font-size:.72rem;font-weight:700;letter-spacing:.14em;color:var(--muted);}
.tl-inner h3{font-size:1.22rem;font-weight:700;line-height:1.35;margin-bottom:10px;color:var(--ink);}
.tl-inner p{color:var(--muted);font-size:.95rem;line-height:1.85;}
.tl-split{display:grid;grid-template-columns:1fr 240px;gap:26px;align-items:start;}
.tl-split img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.tl-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
.tl-fact{display:flex;flex-direction:column;gap:2px;}
.tl-fact b{font-size:1.15rem;font-weight:800;color:var(--brand);}
.tl-fact span{font-size:.72rem;color:var(--muted);letter-spacing:.06em;}

/* ============ 阅读指引三列 ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.guide-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,59,46,.3);}
.guide-num{
  font-size:2.6rem;font-weight:800;line-height:1;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.4px var(--brand);margin-bottom:18px;display:block;
}
.guide-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px;}
.guide-card p{color:var(--muted);font-size:.93rem;line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item[open]{border-color:rgba(18,59,46,.3);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 24px;font-size:1.02rem;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform 200ms cubic-bezier(.2,.7,.2,1);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:0;right:0;top:8px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:.96rem;line-height:1.85;animation:fadeIn 200ms ease both;}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* ============ CTA 区 ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(200,240,74,.10) 0%,transparent 55%),
    repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;padding:88px 0;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;}
.cta-inner h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;line-height:1.16;margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.76);font-size:1rem;max-width:520px;}
.cta-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-pill{border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 16px;font-size:.82rem;color:rgba(255,255,255,.9);}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-note{font-size:.8rem;color:rgba(255,255,255,.6);}

/* ============ 继续浏览 ============ */
.more-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.more-links a{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);font-size:.95rem;padding:10px 0;}
.more-links a:hover{color:var(--brand-dark);}
.more-links a .arrow{transition:transform var(--t);}
.more-links a:hover .arrow{transform:translateX(4px);}
.more-divider{width:1px;height:18px;background:var(--line);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 32px;font-size:.83rem;line-height:1.8;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{margin-top:16px;max-width:330px;color:rgba(255,255,255,.6);}
.footer-title{font-size:.78rem;font-weight:700;letter-spacing:.14em;color:#fff;margin-bottom:18px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{position:relative;color:rgba(255,255,255,.68);padding-left:0;transition:color var(--t),padding-left var(--t);}
.footer-links a::before{content:"";position:absolute;left:0;top:50%;width:2px;height:0;background:var(--accent);transform:translateY(-50%);transition:height var(--t);}
.footer-links a:hover{color:var(--accent);padding-left:12px;}
.footer-links a:hover::before{height:14px;}
.footer-contact{display:grid;gap:11px;color:rgba(255,255,255,.68);}
.footer-contact b{color:rgba(255,255,255,.9);font-weight:600;margin-right:6px;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:rgba(255,255,255,.5);font-size:.78rem;
}

/* ============ 移动端底部 Tab ============ */
.tab-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--white);
  border-top:1px solid var(--line);height:60px;padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -16px rgba(12,21,17,.5);
}
.tab-bar ul{display:flex;height:100%;}
.tab-bar li{flex:1;}
.tab-bar a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:100%;font-size:.68rem;font-weight:600;color:var(--muted);min-width:44px;min-height:44px;
}
.tab-bar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-bar a::before{content:"";position:absolute;top:0;width:18px;height:3px;background:transparent;border-radius:0 0 3px 3px;}
.tab-bar a.is-active{color:var(--brand);}
.tab-bar a.is-active::before{background:var(--accent);}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms cubic-bezier(.2,.7,.2,1),transform 480ms cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .focus{gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .section{padding:80px 0;}
}
@media (max-width:991px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:var(--white);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 18px;display:none;box-shadow:var(--sh-2);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:14px 8px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{position:relative;}
  .focus{grid-template-columns:1fr;gap:28px;}
  .tl-split{grid-template-columns:1fr;gap:18px;}
  .tl-split img{aspect-ratio:16/9;}
  .guide-grid{grid-template-columns:1fr 1fr;}
  .page-hero-inner{padding:52px 0 48px;}
}
@media (max-width:767px){
  .header-actions .btn-primary{display:none;}
  .guide-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
  .section-sm{padding:56px 0;}
  .cta-inner{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:575px){
  body{font-size:15.5px;padding-bottom:80px;}
  .container{padding:0 16px;}
  .page-hero-inner{padding:44px 0 40px;}
  .page-hero h1{font-size:clamp(1.9rem,8vw,2.5rem);}
  .timeline{padding-left:22px;margin-left:2px;}
  .tl-dot{left:-28px;width:10px;height:10px;}
  .tl-inner{padding:22px 20px;}
  .tl-facts{gap:18px;}
  .faq-item summary{padding:16px 18px;font-size:.97rem;}
  .faq-answer{padding:0 18px 20px;}
  .tab-bar{display:block;}
  .cta-action{width:100%;}
  .cta-action .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transition:opacity 300ms linear;transform:none;}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-primary:#123B2E;
  --c-primary-soft:#1B5540;
  --c-accent:#C8F04A;
  --c-accent-deep:#B4DC38;
  --c-muted:#6B7770;
  --c-mint:#EAF3EE;
  --c-bg:#F7F8F6;
  --c-white:#FFFFFF;
  --c-ink:#0C1511;
  --c-line:#E3E8E4;
  --c-danger:#C0392B;
  --radius-card:16px;
  --radius-btn:999px;
  --radius-btn-sm:10px;
  --radius-input:10px;
  --radius-img:14px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(12,21,17,.04);
  --shadow-2:0 12px 28px -12px rgba(12,21,17,.18);
  --shadow-nav:0 8px 24px -18px rgba(12,21,17,.28);
  --sp-2:8px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:96px;
  --max:1200px;
  --max-narrow:760px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:180ms;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  padding-bottom:76px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.container-narrow{max-width:var(--max-narrow);}
.container-wide{max-width:1080px;}
section{position:relative;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-light{background:var(--c-mint);}
.section-white{background:var(--c-white);}
.eyebrow{
  display:inline-block;
  font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
h1{font-size:clamp(2.2rem,5.4vw,4.2rem);font-weight:800;line-height:1.08;letter-spacing:-.02em;}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
h3{font-size:1.25rem;font-weight:700;line-height:1.4;}
.lead{font-size:1.05rem;color:var(--c-muted);margin-top:16px;max-width:64ch;}
.num{font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:hover .btn-arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-outline{border:1px solid var(--c-line);background:var(--c-white);color:var(--c-primary);}
.btn-outline:hover{border-color:rgba(18,59,46,.4);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:var(--radius-btn);}
.btn-arrow{display:inline-block;transition:transform var(--t) var(--ease);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--c-primary);
  border-bottom:1px solid var(--c-accent);padding-bottom:2px;
}
.text-link:hover{color:var(--c-primary-soft);}
.text-link:hover .btn-arrow{transform:translateX(4px);}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-badge);font-size:12px;font-weight:700;}
.badge-grade{background:var(--c-mint);color:var(--c-primary);}
.badge-state{background:var(--c-accent);color:var(--c-ink);}
.badge-cat{background:var(--c-white);border:1px solid var(--c-line);color:var(--c-muted);font-weight:600;}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--c-line);background:var(--c-white);font-size:13px;font-weight:600;color:var(--c-muted);}
.pill:hover{border-color:rgba(18,59,46,.4);color:var(--c-primary);transform:translateY(-2px);}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-white);border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:40px;height:40px;flex:0 0 40px;}
.brand-text{font-size:1.06rem;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:600;color:var(--c-muted);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 页头 Hero */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(18,59,46,.94) 0%,rgba(18,59,46,.62) 55%,rgba(18,59,46,.28) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:64px;min-height:300px;display:flex;flex-direction:column;justify-content:center;}
.page-hero h1{color:#fff;max-width:16ch;}
.page-hero .lead{color:rgba(255,255,255,.86);max-width:52ch;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.6);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-tags span{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.32);font-size:12.5px;letter-spacing:.02em;color:rgba(255,255,255,.9);
}

/* 数据条 */
.metric-bar{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric-item{padding:28px 24px;border-right:1px solid var(--c-line);}
.metric-item:last-child{border-right:0;}
.metric-value{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;line-height:1.1;color:var(--c-primary);letter-spacing:-.02em;}
.metric-label{font-size:12px;letter-spacing:.1em;color:var(--c-muted);margin-top:8px;}

/* 卡片矩阵 */
.matrix{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;}
.card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(18,59,46,.3);}
.card:hover .card-title{background-size:100% 2px;}
.card-media{position:relative;overflow:hidden;background:var(--c-mint);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);}
.card-title{
  font-size:1.22rem;font-weight:700;line-height:1.35;
  background-image:linear-gradient(var(--c-accent),var(--c-accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size var(--t) var(--ease);
  display:inline;
}
.card-text{font-size:15px;line-height:1.8;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;}
.card-lg{grid-column:1 / 2;}
.card-lg .card-media{height:300px;}
.matrix-side{display:grid;grid-template-rows:repeat(2,1fr);gap:24px;}
.matrix-side .card-media{height:150px;}
.matrix-wide{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:24px;}
.matrix-wide .card-media{height:170px;}

/* 训练流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow-num{
  font-size:2.6rem;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px var(--c-primary);letter-spacing:-.03em;
}
.flow-item h3{margin:16px 0 10px;font-size:1.1rem;}
.flow-item p{font-size:14.5px;color:var(--c-muted);line-height:1.8;}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}

/* FAQ */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 0;text-align:left;font-size:1.05rem;font-weight:600;color:var(--c-ink);
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-q .plus{position:relative;flex:0 0 20px;width:20px;height:20px;}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-q .plus::before{top:9px;left:0;width:20px;height:2px;}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-q[aria-expanded="true"] .plus::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease),opacity 200ms var(--ease);opacity:0;}
.faq-a p{padding:0 0 22px;font-size:16px;line-height:1.85;color:var(--c-muted);max-width:70ch;}
.faq-item.is-open .faq-a{opacity:1;}

/* CTA 深色区 */
.cta-band{
  background:var(--c-ink);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(200,240,74,.06) 0 1px,transparent 1px 14px);
  opacity:.9;pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{padding:88px 0;max-width:760px;}
.cta-inner h2{color:#fff;}
.cta-inner p{color:rgba(255,255,255,.72);margin-top:16px;font-size:1.02rem;max-width:60ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cta-points span{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.28);font-size:13px;color:rgba(255,255,255,.86);
}

/* 继续浏览 */
.browse-links{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  padding:40px 0;border-top:1px solid var(--c-line);
}
.browse-links .label{font-size:12px;letter-spacing:.14em;color:var(--c-muted);font-weight:700;text-transform:uppercase;}
.browse-links a{font-size:15px;font-weight:700;color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px;}
.browse-links a:hover{border-bottom-color:var(--c-accent);}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);padding:72px 0 28px;font-size:13px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand p{margin-top:16px;line-height:1.85;color:rgba(255,255,255,.6);max-width:36ch;}
.site-footer .brand-text{color:#fff;}
.footer-title{font-size:12px;letter-spacing:.14em;font-weight:700;color:rgba(255,255,255,.5);margin-bottom:16px;text-transform:uppercase;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{position:relative;color:rgba(255,255,255,.72);padding-left:0;}
.footer-links a::before{
  content:"";position:absolute;left:-10px;top:50%;width:2px;height:12px;margin-top:-6px;
  background:var(--c-accent);opacity:0;transition:opacity var(--t) var(--ease),left var(--t) var(--ease);
}
.footer-links a:hover{color:var(--c-accent);padding-left:10px;}
.footer-links a:hover::before{opacity:1;left:0;}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:rgba(255,255,255,.72);}
.footer-contact b{color:rgba(255,255,255,.5);font-weight:600;margin-right:6px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.45);font-size:12.5px;
}

/* 移动底部 Tab */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
  backdrop-filter:blur(8px);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);height:60px;}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:44px;min-height:44px;font-size:11px;color:var(--c-muted);font-weight:600;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.tab-item::before{
  content:"";position:absolute;top:6px;width:16px;height:3px;border-radius:2px;background:var(--c-accent);opacity:0;
  transition:opacity var(--t) var(--ease);
}
.tab-item.is-active{color:var(--c-primary);}
.tab-item.is-active::before{opacity:1;}

/* 进场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--ease),transform 480ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.reveal[data-delay="1"]{transition-delay:60ms;}
.reveal[data-delay="2"]{transition-delay:120ms;}
.reveal[data-delay="3"]{transition-delay:180ms;}

@media (max-width:1024px){
  .matrix{grid-template-columns:1fr 1fr;}
  .matrix-wide{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:768px){
  body{padding-bottom:76px;}
  .section{padding:72px 0;}
  .section-sm{padding:52px 0;}
  .container{padding:0 20px;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;z-index:65;
    background:var(--c-white);border-bottom:1px solid var(--c-line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
    box-shadow:var(--shadow-nav);
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto;}
  .nav-link{padding:16px 0;border-bottom:1px solid var(--c-line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .tabbar{display:block;}
  .page-hero .container{padding-top:56px;padding-bottom:52px;min-height:280px;}
  .metric-grid{grid-template-columns:1fr 1fr;}
  .metric-item:nth-child(2){border-right:0;}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .matrix,.matrix-side,.matrix-wide{grid-template-columns:1fr;grid-template-rows:auto;}
  .card-lg{grid-column:auto;}
  .flow{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .browse-links{gap:18px 24px;}
}
@media (max-width:520px){
  h1{font-size:clamp(1.9rem,8vw,2.4rem);}
  .section{padding:56px 0;}
  .metric-grid{grid-template-columns:1fr;}
  .metric-item{border-right:0 !important;border-bottom:1px solid var(--c-line);}
  .metric-item:last-child{border-bottom:0;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .card-lg .card-media{height:220px;}
  .cta-inner{padding:64px 0;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition-delay:0ms !important;transition-duration:200ms;}
  *{scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand:#123B2E;
  --brand-30:rgba(18,59,46,.30);
  --brand-08:rgba(18,59,46,.08);
  --lime:#C8F04A;
  --lime-deep:#B6E02F;
  --muted:#6B7770;
  --mint:#EAF3EE;
  --bg:#F7F8F6;
  --card:#FFFFFF;
  --ink:#0C1511;
  --line:#E3E8E4;
  --danger:#C0392B;
  --r-card:16px;
  --r-btn:999px;
  --r-btn2:10px;
  --r-img:14px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(12,21,17,.04);
  --sh-2:0 12px 28px -12px rgba(12,21,17,.18);
  --sp-8:8px;
  --sp-16:16px;
  --sp-24:24px;
  --sp-32:32px;
  --sp-48:48px;
  --sp-64:64px;
  --nav-h:72px;
  --t:180ms cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.container-narrow{max-width:760px;}
.container-wide{max-width:1080px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(12,21,17,.55);}
.header-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{width:38px;height:38px;flex:0 0 auto;border-radius:11px;}
.brand-text{
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:.95rem;
  font-weight:500;
  color:#3C4A43;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:.95rem;
  line-height:1;
  padding:15px 28px;
  border:none;
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:transform var(--t),background-color var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn .arrow{transition:transform var(--t);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--ink);}
.btn-primary:active{transform:translateY(0);}
.btn-dark{background:var(--brand);color:#fff;}
.btn-dark:hover{background:#0E2E23;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--line);}
.btn-outline:hover{border-color:var(--brand-30);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:.88rem;}
.btn-block{width:100%;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn2);
  background:#fff;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(18,59,46,.94) 0%,rgba(18,59,46,.72) 52%,rgba(18,59,46,.34) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(200,240,74,.10) 0 1px,transparent 1px 22px);
  opacity:.5;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0;}
.hero-inner .crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:.82rem;
  color:rgba(255,255,255,.72);
  margin-bottom:22px;
}
.hero-inner .crumb a{color:rgba(255,255,255,.82);}
.hero-inner .crumb a:hover{color:var(--lime);}
.hero-inner .crumb .sep{color:rgba(255,255,255,.42);}
.hero-inner .crumb .current{color:rgba(255,255,255,.6);}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--lime);
  border:1px solid rgba(200,240,74,.42);
  border-radius:var(--r-btn);
  padding:6px 14px;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(2rem,4.8vw,3.4rem);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  color:#fff;
  max-width:720px;
}
.page-hero .hero-lead{
  margin-top:18px;
  max-width:600px;
  font-size:1.02rem;
  color:rgba(255,255,255,.84);
  line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-mint{background:var(--mint);}
.section-white{background:#fff;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--muted);
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.015em;
  color:var(--ink);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:1rem;}
.divider-line{height:1px;background:var(--line);border:none;margin:0;}

/* ============ 权益分档图文对照 ============ */
.tier-stack{display:flex;flex-direction:column;gap:32px;}
.tier-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:0;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.tier-row:hover{box-shadow:var(--sh-2);border-color:var(--brand-30);transform:translateY(-3px);}
.tier-row:nth-child(even) .tier-media{order:2;}
.tier-media{position:relative;min-height:280px;background:var(--mint);}
.tier-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.tier-media .tier-flag{
  position:absolute;
  left:20px;top:20px;
  background:rgba(12,21,17,.72);
  color:var(--lime);
  font-size:.72rem;
  letter-spacing:.1em;
  padding:6px 12px;
  border-radius:var(--r-badge);
  backdrop-filter:blur(4px);
}
.tier-body{padding:36px 40px;display:flex;flex-direction:column;gap:16px;}
.tier-body h3{font-size:1.35rem;font-weight:700;color:var(--ink);}
.tier-body .tier-desc{color:var(--muted);font-size:.96rem;max-width:56ch;}
.tier-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px;margin-top:4px;}
.tier-points li{
  position:relative;
  padding-left:18px;
  font-size:.94rem;
  color:#2C3A33;
}
.tier-points li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:2px;
  background:var(--lime);
  border-radius:2px;
}
.tier-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px;}
.tier-price{font-size:1.05rem;font-weight:800;color:var(--brand);}
.tier-price span{font-size:.82rem;font-weight:500;color:var(--muted);margin-left:6px;}

.badge{display:inline-flex;align-items:center;font-size:.72rem;letter-spacing:.06em;padding:5px 10px;border-radius:var(--r-badge);}
.badge-level{background:var(--mint);color:var(--brand);font-weight:700;}
.badge-status{background:var(--lime);color:var(--ink);font-weight:700;}
.badge-cat{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ 双列文字列表 + 流程 ============ */
.split-lists{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;}
.list-block h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;}
.list-block .list-note{color:var(--muted);font-size:.9rem;margin-bottom:20px;}
.rule-list li{
  position:relative;
  padding:14px 0 14px 18px;
  border-bottom:1px solid var(--line);
  font-size:.96rem;
  color:#2C3A33;
}
.rule-list li::before{
  content:"";
  position:absolute;left:0;top:1.45em;
  width:3px;height:16px;
  background:var(--lime);
  border-radius:2px;
}
.rule-list li:last-child{border-bottom:none;}
.rule-list li b{color:var(--ink);font-weight:700;}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:56px;}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px 28px;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-30);}
.step .step-no{
  font-size:2.6rem;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px var(--brand-30);
  display:block;
  margin-bottom:16px;
}
.step h4{font-size:1.08rem;font-weight:700;margin-bottom:8px;}
.step p{color:var(--muted);font-size:.92rem;}

/* ============ 专属内容预览 ============ */
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.preview-card{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.preview-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-30);}
.preview-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.preview-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms cubic-bezier(.2,.7,.2,1);}
.preview-card:hover .preview-thumb img{transform:scale(1.03);}
.preview-veil{
  position:absolute;
  inset:auto 0 0 0;
  padding:16px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:10px;
  background:linear-gradient(to top,rgba(12,21,17,.82),rgba(12,21,17,0));
  transform:translateY(0);
  transition:transform var(--t);
}
.preview-card:hover .preview-veil{transform:translateY(-6px);}
.preview-veil .go{color:#fff;font-size:1rem;opacity:0;transition:opacity var(--t);}
.preview-card:hover .preview-veil .go{opacity:1;}
.preview-body{padding:20px 22px 22px;}
.preview-body h3{font-size:1.05rem;font-weight:700;margin-bottom:8px;}
.preview-body p{font-size:.9rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ 表单 ============ */
.form-wrap{
  max-width:520px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px 34px;
  box-shadow:var(--sh-1);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:8px;color:#2C3A33;}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-btn2);
  background:#fff;
  padding:0 14px;
  height:48px;
  transition:border-color var(--t),box-shadow var(--t);
  appearance:none;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,59,46,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field .err{display:none;font-size:.78rem;color:var(--danger);margin-top:6px;}
.field.has-error .err{display:block;}
.form-tip{font-size:.78rem;color:var(--muted);margin-top:14px;}
.form-note{margin-top:16px;font-size:.86rem;color:var(--brand);font-weight:600;display:none;}
.form-note.show{display:block;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding:18px 0;
  font-size:1.03rem;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item .plus{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  transition:transform var(--t);
}
.faq-item .plus::before,
.faq-item .plus::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-item .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .plus{transform:rotate(45deg);}
.faq-item .faq-answer{
  padding:0 0 22px;
  color:var(--muted);
  font-size:.98rem;
  max-width:68ch;
  animation:fadeIn 200ms ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}

/* ============ 深色 CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:#fff;
  overflow:hidden;
  padding:96px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:center;}
.cta-band h2{
  font-size:clamp(1.7rem,3.2vw,2.5rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.015em;
}
.cta-band p{color:rgba(255,255,255,.72);margin-top:16px;max-width:56ch;}
.pill-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.pill{
  font-size:.8rem;
  color:rgba(255,255,255,.86);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-btn);
  padding:7px 14px;
}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}

/* ============ 继续浏览 ============ */
.cross-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 28px;
  padding:36px 0;
  border-top:1px solid var(--line);
}
.cross-links .label{font-size:.8rem;letter-spacing:.12em;color:var(--muted);}
.cross-links a{
  font-size:.95rem;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:border-color var(--t),gap var(--t);
}
.cross-links a:hover{border-color:var(--lime);gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:.85rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch;}
.footer-title{font-size:.82rem;letter-spacing:.12em;color:#fff;font-weight:700;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  color:rgba(255,255,255,.66);
  font-size:.88rem;
  position:relative;
  padding-left:0;
  transition:color var(--t),padding-left var(--t);
}
.footer-links a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:0;height:2px;
  background:var(--lime);
  transform:translateY(-50%);
  transition:width var(--t);
}
.footer-links a:hover{color:var(--lime);padding-left:12px;}
.footer-links a:hover::before{width:8px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:.85rem;color:rgba(255,255,255,.62);}
.footer-contact b{color:#fff;font-weight:600;margin-right:8px;}
.footer-bottom{
  margin-top:56px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:.78rem;
  color:rgba(255,255,255,.5);
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:#fff;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -14px rgba(12,21,17,.5);
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);}
.tab-item{
  position:relative;
  min-height:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  font-size:.68rem;
  color:var(--muted);
  padding:8px 2px;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--brand);font-weight:700;}
.tab-item.is-active::before{
  content:"";
  position:absolute;
  top:6px;
  width:20px;height:3px;
  background:var(--lime);
  border-radius:2px;
}

/* ============ 进场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms cubic-bezier(.2,.7,.2,1),transform 480ms cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}
.reveal.d1{transition-delay:60ms;}
.reveal.d2{transition-delay:120ms;}
.reveal.d3{transition-delay:180ms;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .split-lists{gap:36px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991px){
  .main-nav{
    position:absolute;
    left:0;right:0;top:var(--nav-h);
    background:#fff;
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 24px 16px;
    display:none;
    box-shadow:0 12px 24px -18px rgba(12,21,17,.4);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .tabbar{display:block;}
  body{padding-bottom:76px;}
  .tier-row{grid-template-columns:1fr;}
  .tier-row:nth-child(even) .tier-media{order:0;}
  .tier-media{min-height:220px;}
  .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-hero{min-height:260px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .split-lists{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr;}
  .tier-body{padding:28px 24px;}
  .tier-points{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .form-wrap{padding:28px 22px;}
  .cta-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-inner{padding:52px 0;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .reveal{transform:none;}
  html{scroll-behavior:auto;}
}