/* roulang page: index */
:root{
  --lime:#C9F73A;
  --lime-deep:#A8E000;
  --orange:#FF6A2B;
  --ink:#0E0E12;
  --ink-2:#1A1C20;
  --paper:#F6F6F2;
  --text:#14161A;
  --muted:#62666E;
  --line:#E6E6E0;
  --line-dark:rgba(255,255,255,.10);
  --white-soft:#F4F5F2;
  --white-muted:rgba(255,255,255,.62);
  --success:#2FBF71;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-btn:999px;
  --r-badge:6px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:240ms;
  --container:1240px;
  --mono:ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;
  --shadow-soft:0 6px 24px rgba(0,0,0,.08);
  --shadow-dark:0 6px 24px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);font-size:16px;line-height:1.75;font-weight:400;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.15}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
th{text-align:left}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 40px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(14,14,18,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom-color:var(--line-dark);
}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;letter-spacing:.01em;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  color:var(--ink);display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;font-weight:800;letter-spacing:.04em;
}
.desktop-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;padding:8px 14px;border-radius:999px;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.is-active{color:var(--lime)}
.header-cta{flex-shrink:0}
@media(max-width:899px){
  .desktop-nav,.header-cta{display:none}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(14,14,18,.96);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--line-dark);
  padding-bottom:env(safe-area-inset-bottom);
}
@media(max-width:899px){
  .mobile-tabs{display:grid;grid-template-columns:repeat(4,1fr)}
  .page-main{padding-bottom:80px}
}
.mobile-tab{
  height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:rgba(255,255,255,.6);font-size:10px;position:relative;
  transition:color var(--dur) var(--ease);
}
.mobile-tab svg{width:22px;height:22px;stroke-width:1.7}
.mobile-tab.is-active{color:var(--lime)}
.mobile-tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:2px;background:var(--lime);border-radius:2px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;padding:14px 28px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-solid{background:linear-gradient(135deg,var(--lime) 0%,var(--lime-deep) 100%);color:var(--ink)}
.btn-solid:hover{filter:brightness(1.06);box-shadow:0 6px 24px rgba(201,247,58,.22)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-ghost-dark{border-color:var(--line);color:var(--text);background:#fff}
.btn-ghost-dark:hover{border-color:var(--lime-deep);box-shadow:var(--shadow-soft)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:112px 0}}
.section-dark{background:var(--ink);color:var(--white-soft)}
.section-white{background:#fff}
.section-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
}
.section-dark .eyebrow{color:rgba(255,255,255,.5)}
.h2{font-size:clamp(28px,3.6vw,44px);line-height:1.14}
.lead{color:var(--muted);font-size:16px;max-width:640px;margin-top:16px}
.section-dark .lead{color:var(--white-muted)}
.hr{height:1px;background:var(--line);border:0;margin:0}
.section-dark .hr{background:var(--line-dark)}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding:132px 0 72px;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(14,14,18,.95) 0%,rgba(14,14,18,.86) 44%,rgba(14,14,18,.6) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:920px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--lime);border:1px solid rgba(201,247,58,.34);
  border-radius:999px;padding:6px 14px;margin-bottom:24px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.hero h1{
  font-size:clamp(40px,6vw,76px);line-height:1.06;letter-spacing:-.02em;font-weight:900;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:56px;border-top:1px solid var(--line-dark);padding-top:28px;
}
.hero-stat{padding:0 20px;border-left:1px solid var(--line-dark)}
.hero-stat:first-child{border-left:0;padding-left:0}
.hero-stat b{display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--lime);letter-spacing:.02em}
.hero-stat span{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.04em}
@media(max-width:767px){
  .hero{padding:112px 0 56px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}
  .hero-stat:nth-child(3){border-left:0;padding-left:0}
  .hero-stat:nth-child(3),.hero-stat:nth-child(4){border-top:1px solid var(--line-dark);padding-top:18px}
}

/* ---------- 快捷入口条 ---------- */
.quick-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;
  margin-top:-34px;position:relative;z-index:5;
}
.quick-item{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;font-size:14px;font-weight:600;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.quick-item:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.7);box-shadow:var(--shadow-soft)}
.quick-item .qi-icon{
  width:34px;height:34px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:var(--paper);color:var(--text);
}
.quick-item .qi-icon svg{width:18px;height:18px;stroke-width:1.8}
.quick-item span{line-height:1.3}
@media(max-width:1023px){
  .quick-bar{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-28px}
}
@media(max-width:520px){
  .quick-bar{display:flex;overflow-x:auto;gap:10px;padding-bottom:6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .quick-bar::-webkit-scrollbar{display:none}
  .quick-item{flex:0 0 76%;}
}

/* ---------- 信息卡 / 卡片系统 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.6);box-shadow:var(--shadow-soft)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);padding:3px 9px;
  font-size:12px;font-weight:700;letter-spacing:.02em;line-height:1.6;
  background:var(--paper);color:var(--muted);border:1px solid var(--line);
}
.badge-lime{background:rgba(201,247,58,.2);color:#4d6200;border-color:rgba(201,247,58,.55)}
.badge-orange{background:rgba(255,106,43,.12);color:#b8430f;border-color:rgba(255,106,43,.32)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{display:flex;flex-direction:column;height:100%}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.news-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--dur) var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:19px;line-height:1.45;font-weight:700}
.news-title a{
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  transition:background-size var(--dur) var(--ease);
}
.news-title a:hover{background-size:100% 2px}
.news-summary{
  color:var(--muted);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-time{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);margin-top:auto}
.news-more-link{
  font-size:14px;font-weight:700;color:var(--text);display:inline-flex;align-items:center;gap:6px;
  border-bottom:2px solid var(--lime);padding-bottom:2px;
  transition:color var(--dur) var(--ease);
}
.news-more-link:hover{color:#5b7a00}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;
}
.news-empty svg{width:44px;height:44px;margin:0 auto 16px;stroke-width:1.4;color:var(--muted)}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:20px}
@media(max-width:1023px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.news-grid{grid-template-columns:1fr}}

/* ---------- 权益对比表 ---------- */
.compare-desktop{display:block}
.compare-mobile{display:none}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff}
.compare-table{width:100%;border-collapse:collapse;min-width:760px}
.compare-table thead th{
  position:sticky;top:0;background:#fff;z-index:2;
  padding:18px 20px;font-size:13px;letter-spacing:.06em;color:var(--muted);
  border-bottom:1px solid var(--line);font-weight:700;
}
.compare-table thead th:first-child{font-size:14px;color:var(--text)}
.compare-table th[scope="row"]{
  padding:18px 20px;font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table td{
  padding:18px 20px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:#FBFBF7}
.th-recommend{color:var(--text) !important;position:relative}
.rec-tag{
  display:inline-block;margin-right:8px;padding:2px 8px;border-radius:var(--r-badge);
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));color:var(--ink);
  font-size:11px;font-weight:800;letter-spacing:.04em;
}
.td-rec{font-weight:700;color:#4d6200}
.mark-yes{color:#5b7a00;font-weight:800}
.mark-no{color:#C4C7BE;font-weight:700}

.cm-row{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;padding:16px 18px;margin-bottom:12px}
.cm-row-title{font-size:15px;font-weight:700;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:12px}
.cm-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.cm-val{font-size:13px;color:var(--text);background:var(--paper);border-radius:10px;padding:8px 10px}
.cm-val b{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:2px}
@media(max-width:767px){
  .compare-desktop{display:none}
  .compare-mobile{display:block}
}

/* ---------- 等级亮点：编号长条 ---------- */
.steps{border-top:1px solid var(--line-dark)}
.step{
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:32px;
  padding:40px 0;border-bottom:1px solid var(--line-dark);align-items:start;
  transition:background var(--dur) var(--ease);
}
.step:hover{background:rgba(255,255,255,.03)}
.step-num{
  font-family:var(--mono);font-size:56px;line-height:1;font-weight:700;color:var(--lime);
  letter-spacing:-.02em;
}
.step-body h3{font-size:24px;margin-bottom:12px;color:#fff}
.step-body p{color:var(--white-muted);font-size:15px;max-width:680px}
.step-meta{margin-top:14px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.42);text-transform:uppercase}
@media(max-width:767px){
  .step{grid-template-columns:1fr;gap:14px;padding:28px 0}
  .step-num{font-size:40px}
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.preview-card{position:relative;display:flex;flex-direction:column;height:100%}
.preview-card .pc-cover{aspect-ratio:4/3;overflow:hidden;background:var(--paper)}
.preview-card.big .pc-cover{aspect-ratio:16/9}
.preview-card .pc-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--dur) var(--ease)}
.preview-card:hover .pc-cover img{transform:scale(1.03)}
.pc-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.pc-body h3{font-size:19px;line-height:1.42}
.pc-body p{font-size:14px;color:var(--muted);line-height:1.75}
.preview-card.big{grid-column:span 2}
@media(max-width:1023px){
  .preview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .preview-card.big{grid-column:span 2}
}
@media(max-width:640px){
  .preview-grid{display:flex;overflow-x:auto;gap:14px;padding-bottom:8px;scrollbar-width:none}
  .preview-grid::-webkit-scrollbar{display:none}
  .preview-card{flex:0 0 82%}
  .preview-card.big{flex:0 0 82%}
}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metric{border-left:2px solid var(--lime);padding-left:18px}
.metric b{display:block;font-family:var(--mono);font-size:34px;font-weight:700;line-height:1.1}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}
.section-dark .metric span{color:var(--white-muted)}
@media(max-width:767px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 0;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:#5b7a00}
.faq-icon{
  width:26px;height:26px;flex:none;position:relative;border-radius:50%;border:1px solid var(--line);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--text);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--dur) var(--ease)}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:760px}

/* ---------- 会员 CTA ---------- */
.join-band{
  background:var(--ink);color:var(--white-soft);
  border-radius:24px;padding:40px 32px;
}
.join-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:start}
.join-list{margin-top:24px;display:grid;gap:12px}
.join-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--white-muted)}
.join-list li svg{width:18px;height:18px;flex:none;margin-top:4px;color:var(--lime);stroke-width:2}
.join-form{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:26px 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--white-muted);margin-bottom:8px;letter-spacing:.04em}
.field input{
  width:100%;height:48px;border-radius:var(--r-input);padding:0 14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);color:#fff;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.34)}
.field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,247,58,.24)}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 2px rgba(229,72,77,.2)}
.field-error{display:none;margin-top:6px;font-size:13px;color:#FF8A8D}
.field.has-error .field-error{display:block}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--white-muted);margin:6px 0 20px}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--lime)}
.form-note{margin-top:14px;font-size:13px;border-radius:var(--r-input);padding:12px 14px;display:none}
.form-note.is-success{display:block;border:1px solid rgba(201,247,58,.6);color:var(--lime);background:rgba(201,247,58,.08)}
.form-note.is-error{display:block;border:1px solid rgba(229,72,77,.6);color:#FF9A9C;background:rgba(229,72,77,.1)}
@media(max-width:899px){
  .join-grid{grid-template-columns:1fr;gap:32px}
  .join-band{padding:32px 20px;border-radius:18px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--white-muted);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{
  font-size:14px;color:var(--white-muted);
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size var(--dur) var(--ease),color var(--dur) var(--ease);
}
.footer-col a:hover{color:#fff;background-size:100% 1px}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;
  color:rgba(255,255,255,.42);
}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:.06em}
@media(max-width:899px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--ease),transform 480ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --lime:#C9F73A;
  --lime-deep:#A8E000;
  --orange:#FF6A2B;
  --ink:#0E0E12;
  --ink-2:#1A1C20;
  --paper:#F6F6F2;
  --text:#14161A;
  --muted:#62666E;
  --line:#E6E6E0;
  --line-dark:rgba(255,255,255,.10);
  --white-2:rgba(255,255,255,.62);
  --ok:#2FBF71;
  --warn:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --t:240ms cubic-bezier(.2,.7,.2,1);
  --container:1240px;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  padding-bottom:80px;
  -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-color var(--t),opacity var(--t)}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.18;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 40px}}
.mono{font-family:var(--mono);letter-spacing:.08em}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,14,18,.96);
  border-bottom:1px solid var(--line-dark);
  backdrop-filter:blur(8px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#F4F5F2;font-weight:800;font-size:16px}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  color:#0E0E12;font-family:var(--mono);font-size:14px;font-weight:700;letter-spacing:.04em
}
.brand-text{white-space:nowrap}
.desktop-nav{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-btn);
  color:var(--white-2);font-size:15px;font-weight:500
}
.nav-link:hover{color:#F4F5F2}
.nav-link.is-active{color:#0E0E12;background:var(--lime)}
.nav-link.is-active:hover{color:#0E0E12}
.header-cta{display:flex;align-items:center;gap:10px}
@media(min-width:900px){.desktop-nav{display:flex}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background-color var(--t),border-color var(--t),color var(--t),filter var(--t)
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-solid{background:linear-gradient(135deg,var(--lime),var(--lime-deep));color:#0E0E12;border-color:transparent}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-solid:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#F4F5F2}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:rgba(201,247,58,.7);transform:translateY(-1px)}
.btn-text{background:none;border:none;padding:4px 0;color:var(--text);font-weight:600;border-bottom:1px solid transparent}
.btn-text:hover{border-bottom-color:var(--lime)}

/* ---------- badge / tag ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);font-size:12px;font-weight:700;
  padding:4px 10px;letter-spacing:.06em
}
.badge-cat{background:#EDEDE6;color:#3C4047}
.badge-lv{background:rgba(255,106,43,.12);color:#C4471A}
.badge-lime{background:rgba(201,247,58,.28);color:#4C5F00}
.tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-btn);padding:6px 14px;font-size:13px;color:var(--muted);background:#fff}
.tag:hover{border-color:rgba(201,247,58,.8);color:var(--text)}

/* ---------- article head ---------- */
.article-head{background:var(--ink);color:#F4F5F2;padding:52px 0 56px;position:relative;overflow:hidden}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 300px at 88% 0%,rgba(201,247,58,.16),transparent 70%);
}
.article-head .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--white-2);font-family:var(--mono);letter-spacing:.06em}
.crumbs a:hover{color:var(--lime)}
.crumb-sep{opacity:.5}
.article-title{
  margin:22px 0 0;font-size:clamp(28px,4.2vw,50px);line-height:1.12;letter-spacing:-.02em;
  max-width:960px;color:#fff
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line-dark);
  font-size:13px;color:var(--white-2)
}
.article-meta .mono{color:rgba(255,255,255,.75)}

/* ---------- layout ---------- */
.article-wrap{padding:56px 0 72px}
.article-grid{display:grid;grid-template-columns:1fr;gap:48px}
@media(min-width:1024px){.article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}}

/* ---------- article body ---------- */
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px 24px}
@media(min-width:768px){.article-card{padding:48px 56px}}
.article-body{max-width:780px;font-size:16.5px;line-height:1.8;color:#22262C}
.article-body>*+*{margin-top:1.15em}
.article-body p{margin-top:1.15em}
.article-body h2{
  font-size:clamp(22px,2.6vw,30px);
  margin-top:48px;padding-left:16px;border-left:4px solid var(--lime);
  line-height:1.3
}
.article-body h3{font-size:20px;margin-top:32px;color:#14161A}
.article-body h4{font-size:17px;margin-top:24px;color:#14161A}
.article-body ul,.article-body ol{margin-top:1.05em;padding-left:1.5em}
.article-body ul li{list-style:disc;margin-top:.5em}
.article-body ol li{list-style:decimal;margin-top:.5em}
.article-body blockquote{
  margin-top:1.4em;background:var(--paper);border-left:4px solid var(--lime);
  border-radius:10px;padding:18px 22px;color:#3C4047
}
.article-body img{border-radius:var(--r-img);margin-top:1.4em;width:100%;height:auto}
.article-body figure{margin-top:1.4em}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:#4C5F00;border-bottom:1px solid rgba(201,247,58,.9)}
.article-body a:hover{background:rgba(201,247,58,.25)}
.article-body hr{margin-top:2em;border:none;border-top:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin-top:1.4em;font-size:15px}
.article-body table th,.article-body table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body table th{background:var(--paper);font-weight:700}
.article-body pre{
  font-family:var(--mono);font-size:13.5px;background:#F1F1EC;border:1px solid var(--line);
  border-radius:10px;padding:16px 18px;overflow-x:auto;margin-top:1.4em
}
.article-body code{font-family:var(--mono);font-size:14px;background:#F1F1EC;border-radius:6px;padding:2px 6px}
.article-body pre code{background:none;padding:0}
.table-scroll{overflow-x:auto;margin-top:1.4em;border:1px solid var(--line);border-radius:12px}

/* ---------- empty state ---------- */
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:56px 28px;text-align:center}
.empty-state .empty-num{font-family:var(--mono);font-size:52px;color:#D9D9D0;letter-spacing:.06em}
.empty-state h2{font-size:22px;margin-top:14px}
.empty-state p{color:var(--muted);margin-top:10px}

/* ---------- footer of article ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.share-row{display:flex;gap:10px;font-size:14px;color:var(--muted)}

/* ---------- prev / next ---------- */
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:40px}
@media(min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;transition:transform var(--t),border-color var(--t),box-shadow var(--t)
}
.pager-card:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.5);box-shadow:0 6px 24px rgba(0,0,0,.08)}
.pager-card .label{font-size:12px;letter-spacing:.12em;color:var(--muted);font-family:var(--mono);text-transform:uppercase}
.pager-card .name{font-size:17px;font-weight:700;margin-top:8px;line-height:1.45}

/* ---------- sidebar ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.side-card+.side-card{margin-top:20px}
.side-title{font-size:13px;letter-spacing:.12em;font-family:var(--mono);color:var(--muted);text-transform:uppercase}
.side-list{margin-top:16px}
.side-list li+li{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.side-list a{font-size:15px;font-weight:600;display:block;line-height:1.5}
.side-list a:hover{color:#4C5F00}
.side-list span{display:block;font-size:13px;color:var(--muted);margin-top:4px;font-weight:400}
.side-cta{margin-top:18px;display:block;text-align:center}
@media(min-width:1024px){.sidebar{position:sticky;top:96px}}

/* ---------- related ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-dark{background:var(--ink);color:#F4F5F2}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3.2vw,40px)}
.section-head p{color:var(--muted);margin-top:10px;max-width:620px}
.section-dark .section-head p{color:var(--white-2)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:#8A8F98;text-transform:uppercase}
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--t),border-color var(--t),box-shadow var(--t)
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.5);box-shadow:0 6px 24px rgba(0,0,0,.08)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#E9E9E2}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{font-size:18px;line-height:1.45}
.news-body p{font-size:14.5px;color:var(--muted);flex:1}
.news-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.06em}

/* ---------- faq ---------- */
.faq-list{max-width:860px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden}
.faq-item+.faq-item{margin-top:14px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:18px 22px;min-height:56px;
  font-size:16.5px;font-weight:700;color:var(--text);cursor:pointer
}
.faq-q .plus{flex:none;width:22px;height:22px;position:relative;transition:transform 220ms cubic-bezier(.2,.7,.2,1)}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;background:var(--text);border-radius:2px}
.faq-q .plus::before{left:10px;top:2px;width:2px;height:18px}
.faq-q .plus::after{top:10px;left:2px;height:2px;width:18px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms cubic-bezier(.2,.7,.2,1)}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted)}
.faq-item.is-open .faq-a{max-height:340px}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#0E0E12 0%,#15171C 60%,#1C1F16 100%);
  border:1px solid var(--line-dark);border-radius:22px;padding:40px 28px;color:#F4F5F2
}
@media(min-width:900px){.cta-band{padding:56px 56px;display:grid;grid-template-columns:1.05fr .95fr;gap:56px}}
.cta-band h2{font-size:clamp(26px,3.2vw,38px);color:#fff}
.cta-band p{color:var(--white-2);margin-top:14px;font-size:15.5px}
.cta-points{margin-top:24px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.85)}
.cta-points li::before{content:"✓";color:var(--lime);font-family:var(--mono);font-weight:700}
.form-field{margin-top:16px}
.form-field label{display:block;font-size:13px;letter-spacing:.08em;color:var(--white-2);font-family:var(--mono);margin-bottom:8px}
.form-field input{width:100%;height:50px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff;padding:0 16px;transition:border-color var(--t),box-shadow var(--t)}
.form-field input::placeholder{color:rgba(255,255,255,.4)}
.form-field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,247,58,.28)}
.form-field.has-error input{border-color:var(--warn)}
.err-msg{display:none;font-size:13px;color:#FF8C8C;margin-top:8px}
.form-field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.7)}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--lime)}
.form-ok{display:none;margin-top:16px;border:1px solid var(--lime);border-radius:12px;padding:12px 16px;font-size:14px;color:var(--lime)}
.form-ok.is-show{display:block}
.cta-band .btn-solid{width:100%;margin-top:20px}
@media(min-width:640px){.cta-band .btn-solid{width:auto}}

/* ---------- footer ---------- */
.site-footer{background:#0B0B0E;color:var(--white-2);padding:60px 0 28px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#F4F5F2;font-weight:800;font-size:16px}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:340px}
.footer-col h4{font-size:13px;letter-spacing:.12em;font-family:var(--mono);text-transform:uppercase;color:rgba(255,255,255,.85);font-weight:700}
.footer-col ul{margin-top:16px}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.6);border-bottom:1px solid transparent;padding-bottom:2px}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.42)}

/* ---------- mobile tab bar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:#0E0E12;border-top:1px solid var(--line-dark);
  display:grid;grid-template-columns:repeat(4,1fr)
}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:rgba(255,255,255,.55)
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8}
.tab-item.is-active{color:var(--lime)}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--lime);border-radius:0 0 3px 3px}
@media(min-width:900px){.tabbar{display:none}body{padding-bottom:0}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.7,.2,1),transform 520ms 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}
}

/* roulang page: category1 */
:root{
  --lime:#C9F73A;
  --lime-deep:#A8E000;
  --orange:#FF6A2B;
  --dark:#0E0E12;
  --dark-2:#1A1C20;
  --ink:#14161A;
  --ink-2:#62666E;
  --bg:#F6F6F2;
  --line:#E6E6E0;
  --line-d:rgba(255,255,255,.10);
  --white:#F4F5F2;
  --w62:rgba(255,255,255,.62);
  --ok:#2FBF71;
  --warn:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-btn:999px;
  --r-badge:6px;
  --ease:240ms cubic-bezier(.2,.7,.2,1);
  --cw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:calc(80px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.mono{font-family:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.08em;}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 40px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-solid{background:linear-gradient(135deg,var(--lime) 0%,var(--lime-deep) 100%);color:#10130A;}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 6px 24px rgba(201,247,58,.28);}
.btn-solid:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--white);background:transparent;}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:rgba(201,247,58,.7);transform:translateY(-1px);box-shadow:0 6px 24px rgba(0,0,0,.08);}
.btn-text{padding:6px 0;color:var(--ink);font-weight:700;background:none;border:0;}
.btn-text:hover{color:#7FA018;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);padding:4px 10px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:#EDEDE6;color:#4A4E55;
}
.badge-lime{background:rgba(201,247,58,.22);color:#5B7413;}
.badge-orange{background:rgba(255,106,43,.14);color:#B4420F;}
.badge-dark{background:rgba(255,255,255,.08);color:var(--w62);}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,14,18,.94);
  border-bottom:1px solid var(--line-d);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.35);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;font-size:16px;min-width:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--lime),var(--lime-deep));
  color:#10130A;font-size:13px;font-weight:900;letter-spacing:.04em;
}
.brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.desktop-nav{display:none;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--w62);
  transition:color var(--ease),background-color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--white);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--white);background:rgba(255,255,255,.06);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-cta{display:none;}
@media(min-width:1024px){
  .desktop-nav{display:flex;}
  .header-cta{display:block;}
}

/* ---------- 头图 ---------- */
.page-banner{
  position:relative;overflow:hidden;background:var(--dark);
  padding:56px 0 64px;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,14,18,.82) 0%,rgba(14,14,18,.92) 100%);
}
.page-banner .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--w62);margin-bottom:22px;}
.crumb a{color:var(--w62);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.banner-title{
  color:var(--white);
  font-size:clamp(30px,5vw,54px);
  line-height:1.1;letter-spacing:-.02em;
  max-width:900px;
}
.banner-title em{font-style:normal;color:var(--lime);}
.banner-sub{margin-top:18px;max-width:640px;color:var(--w62);font-size:16px;}
.banner-sub strong{color:var(--white);font-weight:600;}
.banner-facts{display:flex;flex-wrap:wrap;gap:20px 32px;margin-top:34px;}
.fact{border-left:1px solid var(--line-d);padding-left:16px;}
.fact b{display:block;font-size:22px;color:var(--lime);font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;}
.fact span{font-size:12px;color:var(--w62);letter-spacing:.08em;}

/* ---------- 介绍条 ---------- */
.intro-strip{background:#fff;border-bottom:1px solid var(--line);padding:36px 0;}
.intro-grid{display:grid;gap:22px;grid-template-columns:1fr;}
.intro-item{display:flex;gap:14px;align-items:flex-start;}
.intro-num{
  flex:0 0 auto;font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:20px;font-weight:700;color:#B9C48A;letter-spacing:.08em;line-height:1.4;
}
.intro-item h3{font-size:17px;margin-bottom:4px;}
.intro-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}
@media(min-width:768px){.intro-grid{grid-template-columns:repeat(3,1fr);gap:28px;}}

/* ---------- 页内锚点 ---------- */
.anchor-bar{
  position:sticky;top:68px;z-index:40;
  background:rgba(246,246,242,.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);
}
.anchor-pill:hover{color:var(--ink);border-color:rgba(201,247,58,.75);transform:translateY(-1px);}
.anchor-pill.is-active{background:var(--dark);color:var(--lime);border-color:var(--dark);}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#8E9B58;
  display:block;margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.4vw,40px);}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15px;}

/* ---------- 左图右文卡片 ---------- */
.entry-list{display:flex;flex-direction:column;gap:26px;}
.entry-card{
  display:grid;gap:0;grid-template-columns:1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.entry-card:hover{border-color:rgba(201,247,58,.85);transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,.08);}
.entry-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--dark-2);}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.entry-media .tag{
  position:absolute;top:14px;left:14px;
  background:rgba(14,14,18,.82);color:var(--lime);
  border-radius:var(--r-badge);padding:5px 10px;font-size:12px;font-weight:700;
  font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.08em;
}
.entry-body{padding:26px 22px;}
.entry-index{
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13px;letter-spacing:.14em;color:#A9B473;margin-bottom:10px;display:block;
}
.entry-body h3{font-size:21px;margin-bottom:12px;}
.entry-body > p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}
.entry-points{display:flex;flex-direction:column;gap:10px;}
.entry-points li{display:flex;gap:10px;font-size:14px;color:#3B3F45;line-height:1.7;}
.entry-points li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:2px;background:var(--lime);
}
@media(min-width:768px){
  .entry-card{grid-template-columns:minmax(280px,42%) 1fr;}
  .entry-card.is-flip .entry-media{order:2;}
  .entry-body{padding:34px 36px;}
  .entry-media{aspect-ratio:auto;min-height:100%;}
}

/* ---------- 加载更多 ---------- */
.load-more{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:44px;}
.load-more p{font-size:13px;color:var(--ink-2);}

/* ---------- 对照要点 ---------- */
.check-band{background:var(--dark);color:var(--white);}
.check-band .section-head h2{color:var(--white);}
.check-band .section-head p{color:var(--w62);}
.check-grid{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d);border-radius:var(--r-card);overflow:hidden;}
.check-cell{background:var(--dark-2);padding:24px 22px;}
.check-cell h3{font-size:17px;color:var(--white);margin-bottom:10px;}
.check-cell p{font-size:14px;color:var(--w62);line-height:1.8;}
.check-cell .mark{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--orange);font-size:13px;letter-spacing:.12em;display:block;margin-bottom:12px;}
@media(min-width:768px){.check-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.check-grid{grid-template-columns:repeat(3,1fr);}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:18px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:24px;font-weight:400;color:#A9B473;line-height:1;
  transition:transform 220ms cubic-bezier(.2,.7,.2,1),color var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--lime-deep);}
.faq-item summary:hover{color:#6F8412;}
.faq-item .answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:var(--white);padding:64px 0;}
@media(min-width:1024px){.cta-band{padding:96px 0;}}
.cta-grid{display:grid;gap:40px;grid-template-columns:1fr;}
.cta-copy h2{font-size:clamp(26px,3.2vw,38px);color:var(--white);}
.cta-copy p{margin-top:16px;color:var(--w62);font-size:15px;max-width:520px;}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.8);}
.cta-list li::before{content:"✓";color:var(--lime);font-weight:700;}
.form-card{
  background:var(--dark-2);border:1px solid var(--line-d);border-radius:var(--r-card);
  padding:28px 22px;
}
.form-card h3{font-size:19px;color:var(--white);margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--w62);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--w62);margin-bottom:8px;letter-spacing:.04em;}
.field input{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid var(--line-d);background:rgba(255,255,255,.04);
  padding:0 16px;color:var(--white);font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.35);}
.field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,247,58,.25);background:rgba(255,255,255,.06);}
.field.has-error input{border-color:var(--warn);}
.field .err{display:none;margin-top:8px;font-size:13px;color:var(--warn);}
.field.has-error .err{display:block;}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--w62);margin:4px 0 20px;}
.check-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--lime);}
.form-card .btn{width:100%;}
.form-success{
  display:none;margin-top:18px;padding:14px 16px;border-radius:var(--r-input);
  border:1px solid var(--lime);background:rgba(201,247,58,.10);
  color:var(--lime);font-size:14px;
}
.form-success.is-on{display:block;}
@media(min-width:1024px){
  .cta-grid{grid-template-columns:1.05fr .95fr;gap:64px;align-items:start;}
  .form-card{padding:34px 32px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--w62);padding:56px 0 24px;border-top:1px solid var(--line-d);}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--white);font-weight:800;font-size:16px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.8;max-width:360px;}
.footer-col h4{font-size:14px;color:var(--white);letter-spacing:.1em;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{position:relative;font-size:14px;color:var(--w62);transition:color var(--ease);}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line-d);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;height:56px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(14,14,18,.97);
  border-top:1px solid var(--line-d);
}
.mobile-tabs a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--w62);position:relative;
  transition:color var(--ease);
}
.mobile-tabs a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;}
.mobile-tabs a::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--lime);
  transform:scaleX(0);transition:transform var(--ease);
}
.mobile-tabs a.is-active{color:var(--lime);}
.mobile-tabs a.is-active::before{transform:scaleX(1);}
@media(min-width:1024px){.mobile-tabs{display:none;}body{padding-bottom:0;}}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:translateY(0);transition:opacity 520ms cubic-bezier(.2,.7,.2,1),transform 520ms cubic-bezier(.2,.7,.2,1);}

/* roulang page: category2 */
:root{
  --lime:#C9F73A;
  --lime-deep:#A8E000;
  --orange:#FF6A2B;
  --ink:#0E0E12;
  --ink-2:#1A1C20;
  --paper:#F6F6F2;
  --text:#14161A;
  --text-2:#62666E;
  --line:#E6E6E0;
  --line-dark:rgba(255,255,255,.10);
  --light-invert:#F4F5F2;
  --muted-invert:rgba(255,255,255,.62);
  --ok:#2FBF71;
  --warn:#E5484D;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --r-btn:999px;
  --dur:240ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1240px;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.18;}
p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.mono{font-family:var(--mono);letter-spacing:.08em;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1024px){
  .container{padding:0 40px;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-weight:700;font-size:15px;
  padding:14px 28px;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-solid{
  background:linear-gradient(135deg,var(--lime) 0%,var(--lime-deep) 100%);
  color:#101204;
  box-shadow:0 1px 0 rgba(0,0,0,.06);
}
.btn-solid:hover{transform:translateY(-1px);filter:brightness(1.06);}
.btn-solid:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--light-invert);
  border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{transform:translateY(-1px);border-color:var(--lime);color:var(--lime);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;color:var(--text);
  border-color:var(--line);
}
.btn-outline:hover{border-color:rgba(201,247,58,.75);transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-badge);
  font-size:12.5px;font-weight:700;
  padding:5px 10px;
  letter-spacing:.02em;
  background:rgba(20,22,26,.06);
  color:var(--text);
}
.badge-lime{background:rgba(201,247,58,.24);color:#3D4A05;}
.badge-orange{background:rgba(255,106,43,.14);color:#A83A05;}
.badge-dark{background:rgba(255,255,255,.10);color:var(--light-invert);}
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-2);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,246,242,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--ink);color:var(--lime);
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;
}
.brand-text{font-weight:800;font-size:16.5px;letter-spacing:-0.01em;}
.desktop-nav{display:none;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(20,22,26,.05);}
.nav-link.is-active{color:var(--text);background:rgba(201,247,58,.28);}
.header-cta{display:none;}
@media (min-width:900px){
  .desktop-nav{display:flex;}
  .header-cta{display:block;}
}

/* ---------- 版面标题区（编号排版） ---------- */
.page-head{
  padding:56px 0 40px;
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);margin-bottom:28px;
}
.crumb a:hover{color:var(--text);text-decoration:underline;text-underline-offset:4px;}
.crumb .sep{opacity:.5;font-family:var(--mono);}
.head-grid{display:grid;gap:28px;}
.head-index{
  font-family:var(--mono);
  font-size:clamp(48px,9vw,76px);
  font-weight:700;line-height:1;letter-spacing:.02em;
  color:var(--lime);-webkit-text-stroke:1px rgba(20,22,26,.16);
}
@media (min-width:1024px){
  .head-grid{grid-template-columns:180px minmax(0,1fr);align-items:start;gap:48px;}
}
.page-head h1{
  font-size:clamp(30px,4.4vw,46px);
  line-height:1.14;letter-spacing:-0.02em;
  margin-bottom:18px;
}
.page-head .lede{
  font-size:17px;color:var(--text-2);max-width:760px;
}
.head-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;overflow:hidden;margin-top:36px;
}
.stat-cell{
  padding:22px 20px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-cell:nth-child(2n){border-right:none;}
.stat-cell:nth-last-child(-n+2){border-bottom:none;}
.stat-num{
  font-family:var(--mono);font-size:clamp(26px,4vw,34px);
  font-weight:700;color:var(--text);line-height:1;
}
.stat-num span{color:var(--lime-deep);}
.stat-label{font-size:12.5px;color:var(--text-2);margin-top:8px;}
@media (min-width:768px){
  .stat-bar{grid-template-columns:repeat(4,minmax(0,1fr));}
  .stat-cell{border-bottom:none;}
  .stat-cell:nth-child(2n){border-right:1px solid var(--line);}
  .stat-cell:last-child{border-right:none;}
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){
  .section{padding:104px 0;}
}
.section-dark{background:var(--ink);color:var(--light-invert);}
.section-dark .eyebrow{color:var(--muted-invert);}
.section-dark .muted{color:var(--muted-invert);}
.section-head{max-width:820px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);
  letter-spacing:-0.02em;margin:14px 0 16px;
}
.section-head p{color:var(--text-2);font-size:16.5px;}
.section-dark .section-head p{color:var(--muted-invert);}
.muted{color:var(--text-2);}

/* ---------- 编号目录列表 ---------- */
.toc-list{border-top:1px solid var(--line);}
.toc-item{
  display:grid;gap:14px;
  padding:34px 0;
  border-bottom:1px solid var(--line);
  transition:background-color var(--dur) var(--ease);
}
@media (min-width:900px){
  .toc-item{grid-template-columns:120px minmax(0,1fr) 220px;gap:40px;align-items:start;padding:40px 0;}
  .toc-item:hover{background:rgba(201,247,58,.07);}
}
.toc-index{
  font-family:var(--mono);font-size:clamp(34px,5vw,52px);
  font-weight:700;line-height:1;letter-spacing:.02em;
  color:rgba(20,22,26,.16);
  transition:color var(--dur) var(--ease);
}
.toc-item:hover .toc-index{color:var(--lime-deep);}
.toc-item h3{font-size:21px;margin-bottom:10px;}
.toc-item p{color:var(--text-2);font-size:15.5px;}
.toc-side{display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start;}

/* ---------- 等级对照 ---------- */
.tiers{display:grid;gap:20px;}
@media (min-width:768px){
  .tiers{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.tier{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;padding:28px 24px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.tier:hover{transform:translateY(-2px);border-color:rgba(201,247,58,.7);box-shadow:0 6px 24px rgba(0,0,0,.08);}
.tier-featured{border-color:rgba(201,247,58,.9);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px;}
.tier-name{font-size:19px;font-weight:800;}
.tier-price{
  font-family:var(--mono);font-size:13px;color:var(--text-2);letter-spacing:.06em;
}
.tier ul{margin-top:18px;display:grid;gap:11px;}
.tier li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:var(--text-2);
  padding-top:11px;border-top:1px solid var(--line);
}
.tier li:first-child{border-top:none;padding-top:0;}
.tick{
  flex:0 0 auto;width:18px;height:18px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  background:rgba(201,247,58,.3);color:#3D4A05;margin-top:2px;
}
.dash{
  flex:0 0 auto;width:18px;height:18px;border-radius:5px;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  background:rgba(20,22,26,.06);color:var(--text-2);margin-top:2px;
}

/* ---------- 对照行 ---------- */
.matrix{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;}
.matrix-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) 78px 78px 78px;
  align-items:center;gap:6px;
  padding:16px 18px;border-top:1px solid var(--line);
  font-size:14.5px;
}
.matrix-row:first-child{border-top:none;}
.matrix-head{
  background:rgba(20,22,26,.03);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  color:var(--text-2);text-transform:uppercase;
}
.matrix-cell-name{font-weight:600;padding-right:10px;}
.matrix-mark{text-align:center;font-weight:700;}
.mark-yes{color:var(--lime-deep);}
.mark-no{color:#B9BAB4;}
@media (max-width:560px){
  .matrix-row{grid-template-columns:minmax(0,1fr) 52px 52px 52px;font-size:13px;padding:14px 12px;}
}

/* ---------- 图文混排 ---------- */
.split{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){
  .split{grid-template-columns:1.05fr 0.95fr;gap:64px;}
  .split.rev .split-media{order:2;}
}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
}
.split-body h2{font-size:clamp(24px,3vw,34px);margin:14px 0 18px;}
.split-body p{color:var(--text-2);}
.plain-list{margin-top:24px;display:grid;gap:14px;}
.plain-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text-2);
}
.dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:2px;
  background:var(--lime);margin-top:10px;
}

/* ---------- 时间线 / 流程 ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line-dark);}
.step{
  display:grid;gap:12px;padding:28px 0;border-bottom:1px solid var(--line-dark);
}
@media (min-width:900px){
  .step{grid-template-columns:96px minmax(0,1fr) 320px;gap:36px;align-items:start;padding:34px 0;}
}
.step-num{
  font-family:var(--mono);font-size:clamp(28px,4vw,40px);
  font-weight:700;color:var(--lime);line-height:1;
}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{color:var(--muted-invert);font-size:15px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:none;text-align:left;cursor:pointer;
  padding:20px 0;min-height:56px;
  font-size:16.5px;font-weight:700;color:var(--text);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--lime-deep);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:16px;line-height:1;color:var(--text-2);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--lime);color:var(--lime-deep);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 220ms var(--ease);
}
.faq-a p{
  padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--light-invert);
  border-radius:var(--r-card);
  padding:40px 24px;
  display:grid;gap:32px;
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1.05fr 0.95fr;gap:56px;padding:56px 48px;align-items:center;}
}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px;}
.cta-band .muted{color:var(--muted-invert);}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted-invert);}
.cta-points .dot{margin-top:10px;}
.form-card{
  background:var(--ink-2);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:26px 22px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted-invert);margin-bottom:8px;letter-spacing:.02em;}
.field input[type="text"],.field input[type="tel"]{
  width:100%;height:48px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line-dark);
  background:rgba(255,255,255,.04);color:var(--light-invert);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.34);}
.field input:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(201,247,58,.28);
}
.field.has-error input{border-color:var(--warn);}
.err-msg{display:none;font-size:13px;color:#FF8B8E;margin-top:7px;}
.field.has-error .err-msg{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted-invert);margin:6px 0 20px;}
.check input{margin-top:3px;accent-color:var(--lime);width:16px;height:16px;}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;
  border:1px solid rgba(201,247,58,.6);border-radius:12px;
  background:rgba(201,247,58,.10);
  font-size:14px;color:var(--lime);
}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:var(--light-invert);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{display:grid;gap:36px;}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:16.5px;margin-bottom:16px;
}
.footer-desc{font-size:14px;color:var(--muted-invert);max-width:340px;}
.footer-col h4{
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted-invert);margin-bottom:18px;font-weight:700;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14.5px;color:rgba(255,255,255,.82);
  position:relative;display:inline-block;
  transition:color var(--dur) var(--ease);
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--lime);transition:width var(--dur) var(--ease);
}
.footer-col a:hover{color:var(--lime);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{
  margin-top:48px;padding:22px 0 30px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted-invert);
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:grid;grid-template-columns:repeat(4,1fr);
  height:56px;
  background:rgba(14,14,18,.96);
  border-top:1px solid var(--line-dark);
  padding-bottom:env(safe-area-inset-bottom);
  backdrop-filter:blur(8px);
}
.tab{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:rgba(255,255,255,.6);
  transition:color var(--dur) var(--ease);
}
.tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab.is-active{color:var(--lime);}
.tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--lime);border-radius:0 0 2px 2px;
}
@media (min-width:900px){
  .tabbar{display:none;}
}
body{padding-bottom:76px;}
@media (min-width:900px){
  body{padding-bottom:0;}
}

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