/* roulang page: index */
:root{
  /* 色彩来源：绿头鸭羽青绿 + 黄果蜜黄，纸感米白底承载长文阅读 */
  --ink:#14161A;
  --ink-soft:#3A3F45;
  --paper:#F7F4ED;
  --paper-2:#FFFFFF;
  --duck:#14624F;
  --duck-deep:#0C3F33;
  --honey:#E9A62B;
  --honey-soft:#FBE8C2;
  --line:#E3DED2;
  --alert:#C0392B;
  --radius-card:8px;
  --radius-btn:6px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 24px 48px -36px rgba(20,22,26,.35);
  --shell:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink-soft);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--honey);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:104px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--duck);text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:clamp(26px,3.4vw,44px);font-weight:900}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--ink-soft);max-width:620px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--duck);position:relative;padding-bottom:2px}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--honey);transition:width .2s ease}
.link-arrow:hover::after{width:100%}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(4px)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--duck);color:var(--paper);border-color:var(--duck)}
.btn-primary:hover{background:var(--duck-deep);border-color:var(--duck-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary .btn-arrow{transition:transform .18s ease}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--duck);color:var(--duck)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:700;line-height:1}
.badge-honey{background:var(--honey-soft);color:var(--duck-deep)}
.badge-duck{background:rgba(20,98,79,.1);color:var(--duck)}
.badge-line{border:1px solid var(--line);color:var(--ink-soft);background:transparent}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--honey)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,244,237,.96);
  border-bottom:1px solid var(--line);transition:height .2s ease;
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:8px;border:1.5px solid var(--duck);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--paper-2);
}
.brand-mark svg{width:18px;height:18px;stroke:var(--duck);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;align-items:center;gap:8px}
.brand-name{font-size:16.5px;font-weight:900;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:999px;
  background:var(--honey-soft);color:var(--duck-deep);font-size:12px;font-weight:700;white-space:nowrap;
}
.nav-main{display:none;align-items:center;gap:26px;margin-left:12px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);padding:6px 0;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--honey);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.mini-countdown{display:none;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
.mini-countdown .mini-time{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);letter-spacing:.04em}
.mini-countdown b{font-weight:700}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper-2);cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink)}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
@media(min-width:1024px){
  .nav-main{display:flex}
  .mini-countdown{display:flex}
  .nav-toggle{display:none}
}

/* 移动菜单 */
.mobile-menu{
  position:fixed;inset:0;z-index:60;background:var(--paper);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.mobile-menu.is-open{opacity:1;transform:translateY(0);visibility:visible}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.mobile-close{width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper-2);cursor:pointer;font-size:20px;line-height:1;color:var(--ink)}
.mobile-nav{display:flex;flex-direction:column;margin-top:12px}
.mobile-nav a{padding:18px 4px;border-bottom:1px solid var(--line);font-size:19px;font-weight:700;color:var(--ink)}
.mobile-nav a.is-active{color:var(--duck)}
.mobile-menu-foot{margin-top:auto;padding-top:28px}

/* Hero */
.hero{padding:40px 0 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;padding-bottom:44px}
.hero-copy h1{font-size:clamp(34px,6vw,68px);font-weight:900;margin:20px 0 0;max-width:15em}
.hero-sub{margin-top:22px;font-size:17.5px;line-height:1.8;color:var(--ink-soft);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;font-size:13.5px;color:var(--ink-soft)}
.hero-trust li{display:flex;align-items:center;gap:14px}
.hero-trust li+li::before{content:"";width:1px;height:12px;background:var(--line);display:block}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.hero-float{
  position:absolute;right:12px;bottom:12px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:12px 14px;font-size:13px;line-height:1.6;color:var(--ink-soft);
  box-shadow:var(--shadow-1);max-width:230px;
}
.hero-float strong{display:block;color:var(--ink);font-size:14px;font-weight:700}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:56px;padding-bottom:56px}
  .hero{padding-top:56px}
}

/* 倒计时带 */
.countdown-bar{background:var(--ink);color:var(--paper)}
.countdown-inner{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;min-height:44px;padding:12px 0}
.countdown-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.04em;color:rgba(247,244,237,.78)}
.countdown-label .dot{width:6px;height:6px;border-radius:50%;background:var(--honey)}
.cd-blocks{display:flex;align-items:center;gap:10px;margin-left:auto}
.cd-block{display:flex;flex-direction:column;align-items:center;min-width:56px}
.cd-num{font-size:22px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--paper);line-height:1.1}
.cd-unit{font-size:11px;letter-spacing:.08em;color:rgba(247,244,237,.6);margin-top:4px}
.cd-sep{color:var(--honey);font-weight:900;font-size:18px;line-height:1;padding-bottom:14px}
@media(min-width:768px){.countdown-inner{padding:0}.cd-num{font-size:20px}}

/* 信任条 */
.trust-bar{border-bottom:1px solid var(--line);background:var(--paper-2)}
.trust-grid{display:grid;grid-template-columns:1fr;gap:0}
.trust-item{padding:26px 0;border-bottom:1px solid var(--line)}
.trust-item:last-child{border-bottom:none}
.trust-num{font-size:30px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.trust-num em{font-style:normal;font-size:16px;font-weight:700;color:var(--duck);margin-left:4px}
.trust-label{margin-top:6px;font-size:13.5px;color:var(--ink-soft)}
@media(min-width:640px){
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{padding:30px 24px;border-bottom:none;border-left:1px solid var(--line)}
  .trust-item:nth-child(odd){border-left:none;padding-left:0}
}
@media(min-width:1024px){
  .trust-grid{grid-template-columns:repeat(4,1fr)}
  .trust-item{border-left:1px solid var(--line);padding:34px 28px}
  .trust-item:first-child{border-left:none;padding-left:0}
  .trust-item:nth-child(3){border-left:1px solid var(--line)}
}

/* 优惠阶梯 */
.ladder{display:grid;grid-template-columns:1fr;gap:18px}
.step{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--duck);transform:translateY(-2px)}
.step-index{font-size:44px;font-weight:900;color:var(--honey);line-height:1;font-variant-numeric:tabular-nums}
.step-title{margin-top:14px;font-size:20px;font-weight:800;color:var(--ink)}
.step-desc{margin-top:8px;font-size:14.5px;color:var(--ink-soft)}
.step-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.step-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--ink-soft)}
.step-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:1px;background:var(--duck)}
.step-foot{margin-top:20px}
@media(min-width:768px){
  .ladder{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .ladder{grid-template-columns:repeat(4,1fr);align-items:start}
  .step:nth-child(2){margin-top:22px}
  .step:nth-child(3){margin-top:44px}
  .step:nth-child(4){margin-top:66px}
}

/* 套餐对比 */
.plan-wrap{display:grid;grid-template-columns:1fr;gap:24px}
.plan-feature{
  background:var(--ink);color:rgba(247,244,237,.86);border-radius:var(--radius-card);
  padding:32px 28px;display:flex;flex-direction:column;position:relative;overflow:hidden;
}
.plan-feature .flag{
  position:absolute;top:20px;right:20px;background:var(--honey);color:var(--ink);
  font-size:12px;font-weight:900;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;
}
.plan-feature h3{color:var(--paper);font-size:22px;font-weight:900;margin-top:4px}
.plan-price{display:flex;align-items:flex-end;gap:6px;margin:20px 0 6px}
.plan-price .cur{font-size:20px;font-weight:700;color:var(--honey);line-height:1.4}
.plan-price .num{font-size:52px;font-weight:900;color:var(--honey);line-height:1;font-variant-numeric:tabular-nums}
.plan-price .unit{font-size:14px;color:rgba(247,244,237,.7);margin-bottom:6px}
.plan-note{font-size:13px;color:rgba(247,244,237,.62)}
.plan-feature .step-list li{color:rgba(247,244,237,.84)}
.plan-feature .step-list li::before{background:var(--honey)}
.plan-feature .btn{margin-top:26px}

.matrix-wrap{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.matrix-scroll{overflow-x:auto}
.matrix{width:100%;border-collapse:collapse;min-width:520px;font-size:14.5px}
.matrix th,.matrix td{padding:16px 14px;text-align:center;border-bottom:1px solid var(--line)}
.matrix thead th{
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-soft);
  background:var(--paper);text-transform:uppercase;
}
.matrix tbody th{
  text-align:left;font-weight:700;color:var(--ink);background:var(--paper-2);
  position:sticky;left:0;z-index:1;min-width:120px;
}
.matrix tbody tr:nth-child(even) th,.matrix tbody tr:nth-child(even) td{background:rgba(247,244,237,.55)}
.matrix tbody tr.highlight th,.matrix tbody tr.highlight td{background:var(--honey-soft)}
.matrix .yes{color:var(--duck);font-weight:900}
.matrix .no{color:#B9B3A6;font-weight:700}
.matrix tbody tr:last-child th,.matrix tbody tr:last-child td{border-bottom:none}
@media(min-width:1024px){
  .plan-wrap{grid-template-columns:minmax(300px,380px) 1fr;gap:28px;align-items:start}
}

/* 限时横幅 */
.cta-banner{background:var(--duck-deep);color:var(--paper);position:relative;overflow:hidden}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(247,244,237,.06) 0 1px,transparent 1px 14px);
  opacity:.9;pointer-events:none;
}
.cta-banner-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;padding:48px 0;align-items:center}
.cta-banner h2{color:var(--paper);font-size:clamp(24px,3vw,36px);font-weight:900}
.cta-banner p{margin-top:12px;font-size:14.5px;color:rgba(247,244,237,.75);max-width:34em}
.big-cd{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.big-cd .block{display:flex;flex-direction:column;align-items:center;min-width:64px}
.big-cd .num{font-size:clamp(32px,5vw,52px);font-weight:900;line-height:1;font-variant-numeric:tabular-nums;color:var(--paper)}
.big-cd .unit{font-size:11.5px;letter-spacing:.1em;color:rgba(247,244,237,.6);margin-top:6px}
.big-cd .sep{color:var(--honey);font-weight:900;font-size:26px;line-height:1;padding-bottom:16px}
.cta-banner .btn-primary{background:var(--honey);border-color:var(--honey);color:var(--ink)}
.cta-banner .btn-primary:hover{background:#F0B645;border-color:#F0B645}
@media(min-width:1024px){
  .cta-banner-inner{grid-template-columns:1.2fr .8fr;padding:64px 0;gap:40px}
  .cta-banner-right{justify-self:end;text-align:right}
}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
.news-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{border-color:var(--duck);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--paper)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--duck)}
.news-summary{font-size:14px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft)}
.news-meta time{font-variant-numeric:tabular-nums}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;text-align:center;
  background:var(--paper-2);
}
.empty-state p{font-size:15px;color:var(--ink-soft)}
.empty-state .btn{margin-top:18px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}

/* 剧集速览 */
.track-wrap{position:relative}
.track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 0 14px;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.ep-card{
  flex:0 0 220px;scroll-snap-align:start;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;transition:transform .2s ease,border-color .2s ease;
}
.ep-card:hover{transform:translateY(-2px);border-color:var(--duck)}
.ep-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--paper)}
.ep-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ep-card:hover .ep-cover img{transform:scale(1.03)}
.ep-badge{
  position:absolute;left:10px;top:10px;background:var(--honey-soft);color:var(--duck-deep);
  font-size:12px;font-weight:700;height:22px;display:inline-flex;align-items:center;padding:0 9px;border-radius:999px;
}
.ep-body{padding:14px 16px 16px}
.ep-title{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ep-meta{margin-top:8px;font-size:12.5px;color:var(--ink-soft)}
.track-nav{display:none}
@media(min-width:1024px){
  .ep-card{flex:0 0 244px}
  .track-nav{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--paper-2);cursor:pointer;position:absolute;top:-64px;color:var(--ink)}
  .track-nav:hover{border-color:var(--duck);color:var(--duck)}
  .track-nav.prev{right:56px}
  .track-nav.next{right:0}
}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:1fr;gap:32px}
.consult-copy h2{font-size:clamp(26px,3.2vw,40px);font-weight:900}
.consult-copy p{margin-top:16px;font-size:15.5px;color:var(--ink-soft);max-width:32em}
.consult-points{margin-top:26px;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.consult-points li{padding:16px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);display:flex;gap:12px}
.consult-points li strong{color:var(--ink);font-weight:700;flex:0 0 auto}
.consult-contact{margin-top:26px;font-size:14px;color:var(--ink-soft)}
.consult-contact b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
.form-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--paper-2);
  padding:0 14px;height:44px;color:var(--ink);font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--duck);box-shadow:0 0 0 3px rgba(20,98,79,.14);
}
.field .err{display:none;margin-top:8px;font-size:12.5px;color:var(--alert)}
.field.has-error input,.field.has-error select{border-color:var(--alert)}
.field.has-error .err{display:block}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--ink-soft)}
.form-result{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-btn);background:rgba(20,98,79,.08);color:var(--duck);font-size:13.5px;font-weight:700}
.form-result.is-show{display:block}
@media(min-width:1024px){
  .consult-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:start}
  .form-card{padding:32px}
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr;gap:32px}
.faq-intro h2{font-size:clamp(26px,3.2vw,40px);font-weight:900}
.faq-intro p{margin-top:14px;font-size:15.5px;color:var(--ink-soft);max-width:26em}
.faq-intro .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;padding:20px 0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--duck)}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:transform .24s ease,background .18s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--duck)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.85;max-width:44em}
@media(min-width:1024px){
  .faq-grid{grid-template-columns:0.8fr 1.2fr;gap:64px;align-items:start}
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(247,244,237,.72);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand .brand-name{color:var(--paper)}
.footer-brand .brand-mark{background:transparent;border-color:rgba(247,244,237,.4)}
.footer-brand .brand-mark svg{stroke:var(--honey)}
.footer-brand .brand-tag{background:rgba(233,166,43,.16);color:var(--honey)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;max-width:30em;color:rgba(247,244,237,.62)}
.footer-domain{margin-top:14px;font-size:13px;color:rgba(247,244,237,.5);font-variant-numeric:tabular-nums}
.footer-col h3{color:var(--paper);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(247,244,237,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--honey)}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(247,244,237,.72)}
.footer-contact b{color:var(--paper);font-weight:700}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(247,244,237,.14);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(247,244,237,.5);
}
@media(min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-visible{opacity:1;transform:translateY(0);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1)}
@media(prefers-reduced-motion:reduce){
  .reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
    /* 鸭羽青为主色，蜜黄为强调色，暖米白纸感为底 */
    --ink:#14161A;
    --ink-soft:#3A3F45;
    --paper:#F7F4ED;
    --paper-2:#FFFFFF;
    --duck:#14624F;
    --duck-deep:#0C3F33;
    --honey:#E9A62B;
    --honey-soft:#FBE8C2;
    --line:#E3DED2;
    --alert:#C0392B;
    --radius-card:8px;
    --radius-btn:6px;
    --shadow-soft:0 1px 0 rgba(20,22,26,.04),0 24px 48px -36px rgba(20,22,26,.35);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;border-style:none;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  .num{font-variant-numeric:tabular-nums;}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--honey);
    outline-offset:2px;
  }
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 32px;} }
  @media (min-width:1280px){ .container{max-width:1280px;} }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--paper);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease,box-shadow .25s ease;
  }
  .site-header.is-scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 6px 18px -16px rgba(20,22,26,.45);
  }
  .header-inner{display:flex;align-items:center;gap:22px;height:64px;transition:height .25s ease;}
  .site-header.is-scrolled .header-inner{height:56px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:34px;height:34px;border-radius:8px;
    border:1px solid var(--line);background:var(--paper-2);
    display:grid;place-items:center;flex:0 0 auto;
  }
  .brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--duck);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
  .brand-text{display:flex;flex-direction:column;line-height:1.1;}
  .brand-name{font-weight:900;font-size:16px;letter-spacing:-.01em;color:var(--ink);}
  .brand-tag{
    display:inline-block;margin-top:4px;align-self:flex-start;
    font-size:11px;font-weight:700;letter-spacing:.06em;
    color:var(--duck);background:var(--honey-soft);
    border-radius:999px;padding:1px 8px;
  }
  .nav-main{display:none;align-items:center;gap:26px;flex:1 1 auto;}
  .nav-link{
    position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);
    padding:6px 0;transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--honey);transform:scaleX(0);transform-origin:left;
    transition:transform .2s ease;
  }
  .nav-link:hover{color:var(--ink);}
  .nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--ink);font-weight:700;}
  .header-side{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .mini-countdown{
    display:none;align-items:center;gap:6px;
    font-size:13px;font-weight:700;color:var(--ink-soft);
    padding:5px 10px;border:1px solid var(--line);border-radius:999px;
    background:var(--paper-2);
  }
  .mini-countdown .dot{width:6px;height:6px;border-radius:999px;background:var(--alert);display:inline-block;}
  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
    width:42px;height:42px;border:1px solid var(--line);border-radius:6px;
    background:var(--paper-2);padding:0 11px;
  }
  .nav-toggle span{display:block;height:1.6px;background:var(--ink);border-radius:2px;}
  @media (min-width:900px){
    .nav-main{display:flex;}
    .mini-countdown{display:inline-flex;}
    .nav-toggle{display:none;}
  }
  .mobile-menu{
    position:fixed;inset:0;z-index:80;background:var(--paper);
    display:none;flex-direction:column;padding:20px;
  }
  .mobile-menu.is-open{display:flex;}
  .mobile-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .mobile-close{
    width:40px;height:40px;border-radius:6px;border:1px solid var(--line);
    background:var(--paper-2);font-size:20px;line-height:1;
  }
  .mobile-nav{display:flex;flex-direction:column;gap:4px;margin:20px 0 auto;}
  .mobile-nav a{
    font-size:22px;font-weight:700;padding:14px 4px;border-bottom:1px solid var(--line);
    letter-spacing:-.01em;
  }
  .mobile-nav a:hover{color:var(--duck);}
  body.menu-lock{overflow:hidden;}

  /* ---------- 按钮 / 徽章 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;border:1px solid transparent;
    cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .btn-primary{background:var(--duck);color:#fff;}
  .btn-primary:hover{background:var(--duck-deep);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-primary .arrow{transition:transform .2s ease;}
  .btn-primary:hover .arrow{transform:translateX(4px);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--paper-2);transform:translateY(-1px);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
  .btn-block{width:100%;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
    border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;
  }
  .badge-honey{background:var(--honey-soft);color:#7A5410;}
  .badge-duck{background:rgba(20,98,79,.10);color:var(--duck);}
  .badge-outline{border:1px solid var(--line);color:var(--ink-soft);background:var(--paper-2);}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--duck);
    border-bottom:1px solid transparent;transition:border-color .2s ease;
  }
  .link-arrow:hover{border-bottom-color:var(--duck);}

  /* ---------- 主体 ---------- */
  .page-main{padding:26px 0 90px;}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--ink-soft);margin-bottom:26px;
  }
  .breadcrumb a{color:var(--ink-soft);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--duck);}
  .breadcrumb .sep{color:#BFB9AB;}
  .breadcrumb .current{
    color:var(--ink);font-weight:500;max-width:60vw;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  .article-head{max-width:860px;padding-bottom:30px;border-bottom:1px solid var(--line);}
  .article-title{
    font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:900;
    letter-spacing:-.02em;margin:16px 0 18px;
  }
  .article-summary{font-size:16.5px;color:var(--ink-soft);line-height:1.85;max-width:800px;}
  .article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
    margin-top:22px;font-size:13px;color:var(--ink-soft);
  }
  .article-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block;}

  .article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;margin-top:40px;}
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,760px) 240px;justify-content:space-between;gap:56px;}
  }

  /* 目录 */
  .toc-rail{display:none;}
  @media (min-width:1024px){
    .toc-rail{display:block;position:sticky;top:96px;align-self:start;}
  }
  .toc-title{
    font-size:12px;font-weight:900;letter-spacing:.16em;color:var(--ink);
    text-transform:none;margin-bottom:12px;
  }
  .toc-list a{
    display:block;padding:6px 0 6px 14px;border-left:2px solid var(--line);
    font-size:13px;line-height:1.55;color:var(--ink-soft);
    transition:color .2s ease,border-color .2s ease;
  }
  .toc-list a:hover{color:var(--duck);}
  .toc-list a.is-current{color:var(--ink);font-weight:700;border-left-color:var(--honey);}
  .toc-mobile{margin-bottom:8px;}
  @media (min-width:1024px){ .toc-mobile{display:none;} }
  .toc-mobile details{
    border:1px solid var(--line);border-radius:8px;background:var(--paper-2);
    padding:12px 16px;
  }
  .toc-mobile summary{
    cursor:pointer;font-size:14px;font-weight:700;list-style:none;
    display:flex;align-items:center;justify-content:space-between;
  }
  .toc-mobile summary::-webkit-details-marker{display:none;}
  .toc-mobile summary::after{content:"＋";color:var(--duck);font-weight:700;}
  .toc-mobile details[open] summary::after{content:"－";}
  .toc-mobile .toc-list{margin-top:10px;padding-top:8px;border-top:1px solid var(--line);}
  .toc-mobile .toc-list a{border-left:0;padding-left:0;}

  /* 正文排版 */
  .article-body{font-size:17px;line-height:1.9;color:var(--ink-soft);letter-spacing:.01em;}
  .article-body > *:first-child{margin-top:0;}
  .article-body h2{
    position:relative;font-size:clamp(21px,2.3vw,27px);line-height:1.35;font-weight:800;
    color:var(--ink);letter-spacing:-.01em;margin:2.4em 0 .8em;padding-left:14px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;
    background:var(--duck);border-radius:2px;
  }
  .article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:1.8em 0 .6em;line-height:1.5;}
  .article-body p{margin:0 0 1.2em;}
  .article-body a{color:var(--duck);text-decoration:underline;text-underline-offset:3px;}
  .article-body strong{color:var(--ink);font-weight:700;}
  .article-body ul{margin:0 0 1.2em;padding-left:1.2em;}
  .article-body ul li{position:relative;margin-bottom:.4em;}
  .article-body ul li::before{
    content:"";position:absolute;left:-1em;top:.72em;
    width:6px;height:6px;background:var(--duck);border-radius:1px;
  }
  .article-body ol{margin:0 0 1.2em;padding-left:1.5em;list-style:decimal;}
  .article-body ol li{margin-bottom:.4em;}
  .article-body blockquote{
    margin:1.6em 0;padding:16px 20px;background:var(--honey-soft);
    border-left:3px solid var(--honey);border-radius:0 8px 8px 0;color:var(--ink);font-size:16px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body figure{margin:1.8em 0;}
  .article-body img{border-radius:8px;width:100%;height:auto;}
  .article-body figcaption{font-size:13px;color:#6C7178;text-align:center;margin-top:10px;}
  .article-body table{
    width:100%;border-collapse:collapse;font-size:15px;
    display:block;overflow-x:auto;margin:1.6em 0;
  }
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;min-width:120px;}
  .article-body th{background:var(--paper);color:var(--ink);font-weight:700;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

  /* 空态 */
  .empty-article{
    border:1px dashed var(--line);border-radius:8px;background:var(--paper-2);
    padding:48px 24px;text-align:center;
  }
  .empty-article h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px;padding:0;}
  .empty-article h2::before{display:none;}
  .empty-article p{font-size:15px;color:var(--ink-soft);margin-bottom:22px;}

  /* 文末 */
  .article-foot{
    margin-top:48px;padding-top:26px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}

  /* 相关推荐 */
  .section{margin-top:72px;}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;justify-content:space-between;margin-bottom:24px;}
  .section-title{font-size:clamp(20px,2.2vw,26px);font-weight:900;letter-spacing:-.01em;color:var(--ink);}
  .section-desc{font-size:14px;color:var(--ink-soft);margin-top:6px;max-width:620px;}
  .rel-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;}
  @media (min-width:640px){ .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
  @media (min-width:1024px){ .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
  .rel-card{
    display:flex;flex-direction:column;overflow:hidden;
    background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-card);
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .rel-card:hover{border-color:var(--duck);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
  .rel-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper);border-bottom:1px solid var(--line);}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
  .rel-card:hover .rel-thumb img{transform:scale(1.03);}
  .rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
  .rel-title{font-size:16.5px;font-weight:700;line-height:1.5;color:var(--ink);}
  .rel-text{font-size:14px;color:var(--ink-soft);line-height:1.7;}
  .rel-meta{margin-top:auto;font-size:13px;color:#6C7178;display:flex;align-items:center;gap:8px;}

  /* 咨询 CTA 条 */
  .article-cta{
    margin-top:72px;padding:32px;border-radius:var(--radius-card);
    background:var(--ink);color:#F4F1E9;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  }
  .article-cta h2{font-size:clamp(19px,2.1vw,24px);font-weight:900;color:#fff;letter-spacing:-.01em;line-height:1.4;}
  .article-cta p{font-size:14px;color:#C9C5BA;margin-top:8px;max-width:560px;}
  .article-cta .btn-primary{background:var(--honey);color:#231A05;}
  .article-cta .btn-primary:hover{background:#F2B843;color:#231A05;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:#EFEBE1;padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;} }
  .site-footer .brand-mark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);}
  .site-footer .brand-mark svg{stroke:#8FD3BE;}
  .site-footer .brand-name{color:#fff;}
  .site-footer .brand-tag{background:rgba(233,166,43,.18);color:#F4C36A;}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#B9B5AA;max-width:340px;}
  .footer-domain{margin-top:12px;font-size:13px;color:#8C887D;letter-spacing:.04em;}
  .footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col ul a{font-size:14px;color:#B9B5AA;transition:color .2s ease;}
  .footer-col ul a:hover{color:#fff;}
  .footer-contact p{font-size:14px;color:#B9B5AA;line-height:1.75;margin-bottom:12px;}
  .footer-contact b{color:#EFEBE1;font-weight:700;}
  .footer-contact .link-arrow{color:#8FD3BE;}
  .footer-contact .link-arrow:hover{border-bottom-color:#8FD3BE;}
  .footer-bottom{
    margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12.5px;color:#8C887D;line-height:1.7;
  }

  /* 动效 */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1);}
  .reveal.is-in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    *{animation:none !important;transition:none !important;}
  }

/* roulang page: category1 */
:root{
  --ink:#14161A;
  --ink-soft:#3A3F45;
  --paper:#F7F4ED;
  --paper-2:#FFFFFF;
  --duck:#14624F;
  --duck-deep:#0C3F33;
  --honey:#E9A62B;
  --honey-soft:#FBE8C2;
  --line:#E3DED2;
  --alert:#C0392B;
  --radius:8px;
  --radius-sm:6px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 24px 48px -36px rgba(20,22,26,.35);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2;font-weight:900}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--honey);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){
  .container{padding-left:32px;padding-right:32px}
}
@media(min-width:1280px){
  .container{max-width:1280px}
}
.section{padding-top:64px}
@media(min-width:1024px){
  .section{padding-top:92px}
}
.sec-title{font-size:clamp(24px,3vw,32px);margin:0 0 10px}
.sec-sub{font-size:15px;color:var(--ink-soft);max-width:720px;margin:0 0 30px;line-height:1.8}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,244,237,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -24px rgba(20,22,26,.6)}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:64px}
@media(min-width:1024px){
  .nav-wrap{min-height:72px}
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:8px;
  border:1px solid var(--line);
  background:var(--paper-2);
  display:grid;place-items:center;
  color:var(--duck);
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:900;font-size:16px;letter-spacing:-.01em}
.brand-tag{
  font-size:11px;color:var(--duck-deep);background:var(--honey-soft);
  border-radius:999px;padding:1px 9px;font-weight:700;
  align-self:flex-start;margin-top:3px;letter-spacing:.04em;
}
.nav-main{display:none;align-items:center;gap:4px;margin-right:10px}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  border-radius:6px;
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--ink);background:rgba(20,22,26,.05)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--honey);border-radius:2px;
}
.nav-side{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-clock{
  display:none;
  font-size:13px;
  color:var(--ink-soft);
  font-variant-numeric:tabular-nums;
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 13px;
  background:var(--paper-2);
  white-space:nowrap;
}
@media(min-width:1180px){.nav-clock{display:inline-flex;align-items:center}}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:42px;padding:0 10px;
  border:1px solid var(--line);border-radius:6px;background:var(--paper-2);
  cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:1024px){
  .nav-main{display:flex}
  .nav-toggle{display:none}
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--paper)}
.mobile-menu.is-open{display:block}
.mobile-menu ul{padding:8px 0 4px}
.mobile-menu li a{
  display:block;padding:14px 2px;font-size:17px;font-weight:700;
  border-bottom:1px solid var(--line);
  color:var(--ink);
}
.mobile-menu li:last-child a{border-bottom:0}
.mobile-cta{display:flex;width:100%;margin:16px 0 22px}
@media(min-width:1024px){.mobile-menu{display:none!important}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  text-align:center;
}
.btn .arrow{transition:transform .18s ease;display:inline-block}
.btn-primary{background:var(--duck);color:#fff}
.btn-primary:hover{background:var(--duck-deep);transform:translateY(-1px)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-primary:active{transform:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--ink)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--duck);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.link-arrow:hover::after{transform:scaleX(1)}

/* ---------- 面包屑与分类标签条 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);
  padding-top:22px;
}
.crumb a{transition:color .18s ease}
.crumb a:hover{color:var(--duck);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#A9A398}
.crumb .current{color:var(--ink-soft)}
.chip-bar{
  display:flex;gap:10px;overflow-x:auto;
  padding:20px 0 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;font-weight:600;
  color:var(--ink-soft);
  background:var(--paper-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:var(--duck);color:var(--duck)}
.chip.is-current{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- 分类首屏 ---------- */
.cat-hero{padding-top:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--honey-soft);
  color:var(--duck-deep);
  font-size:13px;font-weight:700;
  padding:5px 14px;border-radius:999px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--honey);display:inline-block}
.cat-hero h1{
  font-size:clamp(29px,4.4vw,50px);
  line-height:1.14;
  margin:18px 0 0;
  max-width:16em;
}
.cat-hero .lead{
  font-size:clamp(16px,1.4vw,18px);
  color:var(--ink-soft);
  max-width:760px;
  margin:18px 0 0;
  line-height:1.8;
}

/* ---------- 档案布局 ---------- */
.archive-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding-top:44px;
}
@media(min-width:1024px){
  .archive-layout{grid-template-columns:200px minmax(0,1fr);gap:48px;padding-top:56px}
}

/* 时间轴 */
.timeline{position:relative;padding-left:22px}
.timeline::before{
  content:"";position:absolute;left:5px;top:10px;bottom:14px;width:1px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:-22px;top:7px;width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:2px solid var(--duck);
}
.tl-item.is-next::before{border-color:var(--honey);background:var(--honey-soft)}
.tl-name{font-size:15px;font-weight:800;line-height:1.4}
.tl-label{font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
@media(max-width:1023px){
  .timeline{
    display:flex;gap:12px;overflow-x:auto;padding:0 0 6px 0;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .timeline::-webkit-scrollbar{display:none}
  .timeline::before{display:none}
  .tl-item{
    flex:0 0 auto;padding:12px 16px;border:1px solid var(--line);border-radius:8px;
    background:var(--paper-2);min-width:150px;
  }
  .tl-item::before{display:none}
  .tl-item.is-next{border-color:var(--honey);background:var(--honey-soft)}
}

/* 剧集卡 */
.ep-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:620px){.ep-grid{grid-template-columns:repeat(2,1fr)}}
.ep-card{
  display:flex;flex-direction:column;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.ep-card:hover{transform:translateY(-2px);border-color:var(--duck);box-shadow:var(--shadow-2)}
.ep-cover{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--paper)}
.ep-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ep-card:hover .ep-cover img{transform:scale(1.03)}
.ep-badge{
  position:absolute;left:12px;top:12px;
  background:var(--honey-soft);color:var(--duck-deep);
  font-size:12px;font-weight:800;letter-spacing:.04em;
  padding:3px 10px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.ep-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.ep-title{
  font-size:17px;font-weight:800;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ep-desc{
  font-size:14px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ep-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums;
}

/* 数据条 */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media(min-width:768px){.stat-bar{grid-template-columns:repeat(4,1fr)}}
.stat{padding:24px 18px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
@media(max-width:767px){
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}
.stat-num{
  font-size:clamp(26px,3vw,32px);font-weight:900;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num span{font-size:15px;font-weight:700;margin-left:3px;color:var(--ink-soft)}
.stat-note{font-size:13px;color:var(--ink-soft);margin-top:6px}

/* 说明列表 */
.notes li{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.notes li:first-child{border-top:1px solid var(--line)}
.notes .num{
  font-size:22px;font-weight:900;color:var(--honey);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.notes h3{font-size:17px;font-weight:800;margin-bottom:6px}
.notes p{font-size:15px;color:var(--ink-soft);line-height:1.8}

/* 相关入口 */
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--duck);box-shadow:var(--shadow-2)}
.rel-card h3{font-size:18px;font-weight:800;margin-bottom:8px}
.rel-card p{font-size:14px;color:var(--ink-soft);line-height:1.8}
.rel-card .go{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:18px;font-size:14px;font-weight:700;color:var(--duck);
}
.rel-card:hover .go span{transform:translateX(4px)}
.rel-card .go span{transition:transform .18s ease;display:inline-block}

/* 咨询引导条 */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
}
@media(min-width:768px){.cta-bar{padding:32px 36px}}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px}
.cta-bar p{font-size:14px;color:var(--ink-soft);line-height:1.8;max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#EDEAE2;margin-top:72px;padding-top:56px}
@media(min-width:1024px){.site-footer{margin-top:96px;padding-top:68px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px}}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#7FD3B4}
.footer-brand .brand-tag{background:rgba(233,166,43,.18);color:#FBE8C2}
.footer-desc{font-size:14px;color:#B9B4A9;line-height:1.85;margin:16px 0 10px;max-width:360px}
.footer-domain{font-size:13px;color:#8E8A80;font-variant-numeric:tabular-nums}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:#B9B4A9;transition:color .18s ease}
.footer-col ul a:hover{color:var(--honey-soft)}
.footer-contact p{font-size:14px;color:#B9B4A9;line-height:1.75;margin-bottom:12px}
.footer-contact b{color:#fff;font-weight:600}
.footer-contact .link-arrow{color:var(--honey-soft);font-size:14px;margin-top:2px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:#8E8A80;line-height:1.7;
}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink:#14161A;
  --ink-soft:#3A3F45;
  --paper:#F7F4ED;
  --paper-2:#FFFFFF;
  --duck:#14624F;
  --duck-deep:#0C3F33;
  --honey:#E9A62B;
  --honey-soft:#FBE8C2;
  --line:#E3DED2;
  --alert:#C0392B;
  --radius:8px;
  --radius-sm:6px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 24px 48px -36px rgba(20,22,26,.35);
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,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;
  letter-spacing:.01em;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,table{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
:focus-visible{outline:2px solid var(--honey);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){:root{--container:1280px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,237,.94);
  border-bottom:1px solid var(--line);
  backdrop-saturate:120%;
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(20,98,79,.08);
  border:1px solid rgba(20,98,79,.22);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:var(--duck);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{display:flex;align-items:center;gap:8px;}
.brand-name{font-weight:900;font-size:17px;color:var(--ink);letter-spacing:-.01em;}
.brand-tag{
  font-size:12px;font-weight:700;color:var(--duck);
  background:var(--honey-soft);border-radius:999px;padding:2px 9px;line-height:1.6;
}
.nav-main{display:none;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--ink-soft);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(20,98,79,.06);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--honey);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.mini-count{display:none;font-size:13px;color:var(--ink-soft);letter-spacing:.02em;}
.mini-count b{color:var(--ink);font-weight:700;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--duck);color:var(--paper-2);}
.btn-primary:hover{background:var(--duck-deep);transform:translateY(-1px);}
.btn-primary:hover .btn-arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-arrow{display:inline-block;transition:transform .18s ease;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--paper-2);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{
  position:fixed;inset:0;z-index:60;background:var(--paper);
  display:none;flex-direction:column;padding:20px;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.mobile-close{
  width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--paper-2);font-size:20px;line-height:1;color:var(--ink);
}
.mobile-links{display:flex;flex-direction:column;gap:6px;}
.mobile-links a{
  font-size:22px;font-weight:700;color:var(--ink);padding:14px 4px;border-bottom:1px solid var(--line);
}
.mobile-links a.is-active{color:var(--duck);}
.mobile-panel .btn{margin-top:auto;}
@media(min-width:1024px){
  .nav-main{display:flex;}
  .nav-toggle{display:none;}
  .mini-count{display:block;}
}

/* ---------- breadcrumb + tabs ---------- */
.crumb{padding:24px 0 0;font-size:13px;color:var(--ink-soft);}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--duck);}
.crumb span{color:var(--ink);}
.cat-tabs{
  display:flex;gap:8px;overflow-x:auto;padding:20px 0 4px;
  scrollbar-width:none;
}
.cat-tabs::-webkit-scrollbar{display:none;}
.cat-tabs a{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);font-size:14px;font-weight:600;color:var(--ink-soft);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.cat-tabs a:hover{border-color:var(--duck);color:var(--duck);}
.cat-tabs a.is-current{background:var(--ink);border-color:var(--ink);color:var(--paper);}

/* ---------- hero ---------- */
.page-hero{padding:32px 0 8px;}
.hero-grid{display:grid;gap:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--honey-soft);color:var(--duck-deep);
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--honey);display:inline-block;}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,5vw,54px);
  line-height:1.12;font-weight:900;letter-spacing:-.02em;color:var(--ink);
}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:62ch;}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:13px;color:var(--ink-soft);}
.hero-facts span{display:inline-flex;align-items:center;gap:8px;}
.hero-facts b{color:var(--ink);font-weight:900;font-size:15px;}
.hero-facts .dot{width:1px;height:14px;background:var(--line);}
.hero-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:var(--paper-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:10px 12px;font-size:13px;color:var(--ink-soft);box-shadow:var(--shadow-1);
}
.hero-figure figcaption b{display:block;color:var(--ink);font-weight:700;font-size:14px;}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1.55fr 1fr;align-items:center;gap:48px;}
}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:84px 0;}}
.section-head{max-width:66ch;}
.section-head .kicker{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--duck);text-transform:uppercase;
}
.section-head h2{
  margin-top:10px;font-size:clamp(24px,3.2vw,38px);line-height:1.2;
  font-weight:900;letter-spacing:-.02em;color:var(--ink);
}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-soft);}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- tiers ---------- */
.tiers{display:grid;gap:20px;margin-top:40px;}
.tier{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.tier:hover{border-color:var(--duck);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tier .tier-no{font-size:13px;font-weight:700;color:var(--ink-soft);letter-spacing:.1em;}
.tier h3{margin-top:10px;font-size:22px;font-weight:900;color:var(--ink);letter-spacing:-.01em;}
.tier .tier-price{
  margin-top:14px;font-size:30px;font-weight:900;color:var(--duck);letter-spacing:-.02em;
}
.tier .tier-price small{font-size:13px;font-weight:600;color:var(--ink-soft);margin-left:6px;letter-spacing:0;}
.tier ul{margin-top:18px;display:grid;gap:10px;font-size:15px;color:var(--ink-soft);}
.tier ul li{position:relative;padding-left:18px;line-height:1.7;}
.tier ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--duck);opacity:.7;
}
.tier .tier-link{
  margin-top:22px;font-size:14px;font-weight:700;color:var(--duck);
  border-bottom:1px solid transparent;transition:border-color .2s ease;align-self:flex-start;
}
.tier .tier-link:hover{border-color:var(--duck);}
.tier.is-featured{
  background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.78);
}
.tier.is-featured h3{color:#fff;}
.tier.is-featured .tier-no{color:var(--honey);}
.tier.is-featured .tier-price{color:var(--honey);}
.tier.is-featured .tier-price small{color:rgba(255,255,255,.6);}
.tier.is-featured ul li{color:rgba(255,255,255,.76);}
.tier.is-featured ul li::before{background:var(--honey);}
.tier.is-featured .tier-link{color:var(--honey);}
.tier.is-featured .tier-link:hover{border-color:var(--honey);}
.tier.is-featured:hover{border-color:var(--honey);}
@media(min-width:900px){
  .tiers{grid-template-columns:repeat(3,1fr);align-items:end;}
  .tier.is-featured{transform:translateY(-16px);}
  .tier.is-featured:hover{transform:translateY(-18px);}
}

/* ---------- matrix ---------- */
.matrix-wrap{
  margin-top:40px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow-1);
  scrollbar-width:thin;
}
table.matrix{width:100%;min-width:640px;border-collapse:collapse;font-size:15px;}
table.matrix th,table.matrix td{
  padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.matrix thead th{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-soft);
  background:var(--paper);position:sticky;top:0;z-index:2;
}
table.matrix thead th.is-pick{color:var(--duck-deep);background:var(--honey-soft);}
table.matrix tbody th{font-weight:700;color:var(--ink);font-size:15px;}
table.matrix tbody tr:nth-child(even){background:rgba(227,222,210,.16);}
table.matrix tbody tr.is-diff{background:var(--honey-soft);}
table.matrix tbody tr.is-diff th{color:var(--duck-deep);}
table.matrix tbody tr:last-child th,table.matrix tbody tr:last-child td{border-bottom:none;}
table.matrix td{color:var(--ink-soft);}
.yes{color:var(--duck);font-weight:900;}
.no{color:#B7B1A5;font-weight:700;}
.matrix-note{margin-top:14px;font-size:13px;color:var(--ink-soft);}
@media(max-width:640px){
  table.matrix th:first-child,table.matrix td:first-child{
    position:sticky;left:0;z-index:1;background:var(--paper-2);
    box-shadow:1px 0 0 var(--line);min-width:132px;white-space:normal;
  }
  table.matrix thead th:first-child{background:var(--paper);z-index:3;}
  table.matrix tbody tr:nth-child(even) th:first-child{background:#FBF9F4;}
  table.matrix tbody tr.is-diff th:first-child{background:var(--honey-soft);}
}

/* ---------- benefits list ---------- */
.benefit-grid{display:grid;gap:36px;margin-top:40px;}
.benefit-figure{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.benefit-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .4s ease;}
.benefit-figure:hover img{transform:scale(1.03);}
.benefit-list{display:grid;gap:0;}
.benefit-list li{
  display:grid;grid-template-columns:56px 1fr;gap:16px;
  padding:22px 0;border-top:1px solid var(--line);
}
.benefit-list li:last-child{border-bottom:1px solid var(--line);}
.benefit-list .b-no{
  font-size:24px;font-weight:900;color:var(--honey);letter-spacing:-.02em;line-height:1.2;
}
.benefit-list h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4;}
.benefit-list p{margin-top:8px;font-size:15px;color:var(--ink-soft);}
@media(min-width:1024px){
  .benefit-grid{grid-template-columns:.85fr 1.15fr;align-items:start;gap:48px;}
}

/* ---------- faq ---------- */
.faq-grid{display:grid;gap:32px;margin-top:36px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--duck);transition:transform .24s ease;
}
.faq-item[open] summary::after{content:"−";}
.faq-item .faq-body{padding:0 34px 22px 0;font-size:15px;color:var(--ink-soft);}
@media(min-width:1024px){
  .faq-grid{grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
  .faq-aside{position:sticky;top:88px;}
}

/* ---------- cta bar ---------- */
.cta-bar{
  background:var(--duck-deep);color:rgba(255,255,255,.82);
  padding:44px 0;
}
.cta-inner{display:flex;flex-direction:column;gap:22px;}
.cta-bar h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff;line-height:1.25;letter-spacing:-.01em;
}
.cta-bar p{margin-top:10px;font-size:15px;max-width:58ch;}
.cta-bar .btn-primary{background:var(--honey);color:var(--ink);}
.cta-bar .btn-primary:hover{background:#F2B647;}
@media(min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
  .cta-bar .cta-actions{flex:0 0 auto;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);padding:56px 0 28px;}
.footer-grid{display:grid;gap:32px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);}
.footer-brand .brand-mark svg{stroke:var(--honey);}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{background:rgba(233,166,43,.16);color:var(--honey);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-domain{margin-top:14px;font-size:13px;color:rgba(255,255,255,.42);letter-spacing:.04em;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease;}
.footer-col a:hover{color:var(--honey);}
.footer-contact p{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.66);}
.footer-contact b{color:#fff;font-weight:700;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--honey);font-weight:700;font-size:14px;}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(4px);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-direction:column;gap:8px;font-size:12px;color:rgba(255,255,255,.42);
}
@media(min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;}
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.2,.7,.2,1),transform .48s cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
/* ===== 设计变量：纸底 + 墨色 + 鸭羽青 + 蜜黄 ===== */
:root{
  --ink:#14161A;
  --ink-soft:#3A3F45;
  --paper:#F7F4ED;
  --paper-2:#FFFFFF;
  --duck:#14624F;
  --duck-deep:#0C3F33;
  --honey:#E9A62B;
  --honey-soft:#FBE8C2;
  --line:#E3DED2;
  --alert:#C0392B;
  --r-card:8px;
  --r-btn:6px;
  --r-pill:999px;
  --shadow-1:0 1px 0 rgba(20,22,26,.04);
  --shadow-2:0 24px 48px -36px rgba(20,22,26,.35);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
::selection{background:var(--honey-soft);color:var(--ink)}

/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{max-width:1280px}}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:0 0 var(--r-btn) 0;
}
.skip-link:focus{left:0}

/* ===== 无障碍焦点 ===== */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--honey);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--duck);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--duck-deep);transform:translateY(-1px);box-shadow:0 12px 24px -18px rgba(12,63,51,.9)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--duck);color:var(--duck);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-arrow{transition:transform .2s var(--ease)}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--duck);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--duck);
  transition:width .2s var(--ease);
}
.link-arrow:hover::after{width:100%}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ===== 站点头部 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,237,.94);
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -28px rgba(20,22,26,.6);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:58px}

.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:8px;background:var(--paper-2);color:var(--duck);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.brand:hover .brand-mark{border-color:var(--duck);transform:translateY(-1px)}
.brand-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-weight:900;font-size:17px;letter-spacing:-.02em}
.brand-tag{
  font-size:11px;font-weight:700;color:var(--duck);background:var(--honey-soft);
  border-radius:var(--r-pill);padding:1px 8px;margin-top:4px;width:fit-content;letter-spacing:.02em;
}

.nav-main{display:none;align-items:center;gap:26px;margin-left:10px}
@media (min-width:1024px){.nav-main{display:flex}}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--honey);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.mini-countdown{
  display:none;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:5px 12px;background:var(--paper-2);
}
@media (min-width:1100px){.mini-countdown{display:inline-flex}}
.mini-countdown .mc-dot{width:6px;height:6px;border-radius:50%;background:var(--alert);flex-shrink:0}
.mini-countdown .mc-num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);letter-spacing:.04em}

.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;
  transition:border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--duck)}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s 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)}
@media (min-width:1024px){.nav-toggle{display:none}}

.mobile-menu{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;padding:22px 22px 32px;overflow-y:auto;
}
.mobile-menu[hidden]{display:none}
.mobile-menu .mm-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.mobile-menu .mm-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--paper-2);cursor:pointer;font-size:20px;line-height:1;
}
.mobile-menu .mm-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.mobile-menu .mm-nav a{
  padding:18px 4px;border-bottom:1px solid var(--line);
  font-size:20px;font-weight:700;letter-spacing:-.01em;
}
.mobile-menu .mm-nav a.is-active{color:var(--duck)}
.mobile-menu .mm-foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:14px}
.mobile-menu .mm-note{font-size:13px;color:var(--ink-soft)}

/* ===== 面包屑 ===== */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--ink-soft)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--ink-soft);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--duck)}
.breadcrumb .current{color:var(--ink);font-weight:700}

/* ===== 分类快跳标签条 ===== */
.cat-tabs{
  display:flex;gap:10px;overflow-x:auto;padding:20px 0 4px;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.cat-tabs::-webkit-scrollbar{display:none}
.tab-pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;min-height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--paper-2);color:var(--ink-soft);
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.tab-pill:hover{border-color:var(--duck);color:var(--duck)}
.tab-pill.is-current{background:var(--ink);border-color:var(--ink);color:var(--paper)}

/* ===== 页头 ===== */
.page-hero{padding:34px 0 8px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media (min-width:900px){.hero-grid{grid-template-columns:1.55fr .85fr;gap:52px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--honey-soft);color:var(--duck);
  border-radius:var(--r-pill);padding:5px 14px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--honey)}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,50px);
  font-weight:900;line-height:1.16;letter-spacing:-.02em;
}
.page-hero h1 .hl{
  background-image:linear-gradient(transparent 62%,var(--honey-soft) 62%);
  background-repeat:no-repeat;padding:0 4px;
}
.hero-sub{
  margin-top:16px;max-width:44em;
  font-size:clamp(16px,1.6vw,18px);line-height:1.8;color:var(--ink-soft);
}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 0;
  font-size:13px;color:var(--ink-soft);
}
.hero-meta span{display:inline-flex;align-items:center}
.hero-meta span+span::before{content:"";width:1px;height:12px;background:var(--line);margin:0 14px}
.hero-figure{position:relative;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--paper-2)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s var(--ease)}
.hero-figure:hover img{transform:scale(1.03)}
.hero-figure .fig-badge{
  position:absolute;left:12px;bottom:12px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:6px;
  padding:6px 12px;font-size:13px;font-weight:700;color:var(--ink);
}

/* ===== 双栏长文 ===== */
.guide-section{padding:44px 0 0}
.guide-layout{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:1024px){.guide-layout{grid-template-columns:250px minmax(0,1fr);gap:56px}}

.toc{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 18px;box-shadow:var(--shadow-1);
}
@media (min-width:1024px){
  .toc{position:sticky;top:92px;align-self:start}
}
.toc-title{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-soft);
  text-transform:uppercase;
}
.toc-toggle{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);background:var(--paper);border-radius:var(--r-pill);
  padding:4px 10px;font-size:12px;font-weight:700;color:var(--ink-soft);cursor:pointer;
}
@media (min-width:1024px){.toc-toggle{display:none}}
.toc-list{margin-top:12px;display:none}
.toc.is-open .toc-list{display:block}
@media (min-width:1024px){.toc-list{display:block}}
.toc-list a{
  display:block;position:relative;
  padding:8px 0 8px 14px;font-size:14px;color:var(--ink-soft);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--duck)}
.toc-list a.is-current{color:var(--ink);font-weight:700;border-left-color:var(--honey)}
.toc-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.7;color:var(--ink-soft);
}

.guide-prose{max-width:760px}
.guide-prose h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:900;line-height:1.3;letter-spacing:-.02em;
  margin:56px 0 18px;padding-left:14px;border-left:3px solid var(--duck);
  scroll-margin-top:96px;
}
.guide-prose h2:first-of-type{margin-top:0}
.guide-prose h3{
  font-size:19px;font-weight:700;line-height:1.5;margin:30px 0 12px;color:var(--ink);
}
.guide-prose p{
  font-size:17px;line-height:1.9;color:var(--ink-soft);margin-bottom:1.15em;
}
.guide-prose strong{color:var(--ink);font-weight:700}
.guide-prose ul{display:flex;flex-direction:column;gap:10px;margin:18px 0 24px}
.guide-prose ul li{
  position:relative;padding-left:20px;font-size:16.5px;line-height:1.8;color:var(--ink-soft);
}
.guide-prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;background:var(--duck);border-radius:1px;
}

.callout{
  background:var(--honey-soft);
  border-left:3px solid var(--honey);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:16px 20px;margin:24px 0 26px;
  font-size:15.5px;line-height:1.8;color:var(--ink-soft);
}
.callout b{color:var(--ink)}

.step-list{display:flex;flex-direction:column;gap:0;margin:22px 0 26px;border-top:1px solid var(--line)}
.step-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.step-num{
  flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;
  border-radius:var(--r-card);background:var(--paper);border:1px solid var(--line);
  font-weight:900;font-size:15px;color:var(--duck);font-variant-numeric:tabular-nums;
}
.step-body h3{margin:0 0 6px;font-size:16.5px;font-weight:700;color:var(--ink)}
.step-body p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-soft)}

/* ===== FAQ ===== */
.faq-section{padding:76px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{
  font-size:clamp(24px,3vw,38px);font-weight:900;letter-spacing:-.02em;line-height:1.25;
}
.section-head p{margin-top:10px;font-size:15.5px;color:var(--ink-soft);max-width:46em}
.faq-wrap{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:340px minmax(0,1fr);gap:56px}}
.faq-aside h2{font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.25;letter-spacing:-.02em}
.faq-aside p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-soft)}
.faq-aside .btn{margin-top:22px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;line-height:1.6;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--duck)}
.faq-icon{
  flex:0 0 auto;position:relative;width:22px;height:22px;border:1px solid var(--line);border-radius:50%;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink-soft);border-radius:1px;
  transform:translate(-50%,-50%);transition:transform .24s var(--ease),opacity .24s var(--ease),background-color .2s var(--ease);
}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px}
.faq-item.is-open .faq-icon{background:var(--honey-soft);border-color:var(--honey)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--duck)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 36px 20px 2px;font-size:15.5px;line-height:1.85;color:var(--ink-soft)}

/* ===== 相关分类 ===== */
.related-section{padding:76px 0 0}
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.related-card:hover{border-color:var(--duck);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.related-card .rc-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.related-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em}
.related-card .rc-top span{color:var(--duck);font-size:18px;transition:transform .2s var(--ease)}
.related-card:hover .rc-top span{transform:translateX(4px)}
.related-card p{font-size:14.5px;line-height:1.8;color:var(--ink-soft)}
.related-card .rc-tag{
  margin-top:auto;align-self:flex-start;
  font-size:12px;font-weight:700;color:var(--duck);background:var(--honey-soft);
  border-radius:var(--r-pill);padding:3px 10px;
}

/* ===== CTA 条 ===== */
.cta-section{padding:76px 0 0}
.cta-band{
  background:var(--ink);color:var(--paper);
  border-radius:var(--r-card);
  padding:34px 26px;
  display:flex;flex-direction:column;gap:22px;
  position:relative;overflow:hidden;
}
@media (min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 46px;gap:40px}
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  opacity:.5;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;line-height:1.3;letter-spacing:-.02em;position:relative}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(247,244,237,.78);max-width:44em;position:relative}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative}
.cta-band .btn-primary{background:var(--honey);color:var(--ink)}
.cta-band .btn-primary:hover{background:#f2b545;color:var(--ink)}
.cta-band .btn-ghost{border-color:rgba(247,244,237,.55);color:var(--paper)}
.cta-band .btn-ghost:hover{background:rgba(247,244,237,.1);border-color:var(--paper);color:var(--paper)}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:var(--paper);margin-top:88px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:760px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.site-footer .brand-mark{border-color:rgba(247,244,237,.24);background:rgba(247,244,237,.06);color:var(--honey)}
.site-footer .brand-name{color:var(--paper)}
.site-footer .brand-tag{background:rgba(233,166,43,.16);color:var(--honey)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,244,237,.68);max-width:32em}
.footer-domain{margin-top:14px;font-size:13px;letter-spacing:.06em;color:rgba(247,244,237,.42)}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.1em;color:rgba(247,244,237,.5);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(247,244,237,.82);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--honey)}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(247,244,237,.72);margin-bottom:12px}
.footer-contact b{display:inline-block;color:var(--paper);font-weight:700}
.site-footer .link-arrow{color:var(--honey)}
.site-footer .link-arrow::after{background:var(--honey)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(247,244,237,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;line-height:1.8;color:rgba(247,244,237,.5);
}

/* ===== 动效偏好 ===== */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}