/* roulang page: index */
/* ===== 设计令牌 ===== */
:root{
  --bg-0:#080F0D;
  --bg-1:#0D1815;
  --bg-2:#121F1B;
  --bg-3:#172722;
  --line:rgba(43,230,168,.14);
  --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8;
  --accent:#FF7A2F;
  --violet:#7C6BFF;
  --text-1:#E8F2EE;
  --text-2:#93A6A0;
  --text-3:#63756F;
  --ok:#35D08A;
  --warn:#F5B942;
  --err:#FF5D5D;
  --r-card:16px;
  --r-img:18px;
  --r-input:12px;
  --r-btn:10px;
  --shadow-card:0 0 0 1px var(--line-soft),0 14px 32px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px var(--line),0 14px 32px rgba(0,0,0,.45),0 0 24px rgba(43,230,168,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--neon);text-decoration:none;transition:color 180ms var(--ease),border-color 180ms var(--ease);}
a:hover{color:#7BFFD0;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px;}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}
/* ===== 布局 ===== */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:104px 0;position:relative;}
.section + .section{border-top:1px solid transparent;}
.hairline{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,rgba(43,230,168,0),rgba(43,230,168,.42),rgba(43,230,168,0));
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--neon);
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:18px;
  background:rgba(43,230,168,.05);
}
.section-head h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:15px;max-width:760px;}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-title-row h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.35;}
.section-title-row p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px;}
/* ===== 顶栏导航 ===== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(8,15,13,.74);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:background 180ms var(--ease),border-color 180ms var(--ease);
}
.site-header.is-scrolled{background:var(--bg-1);border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);transition:height 180ms var(--ease);}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(43,230,168,.22),rgba(124,107,255,.16));
  border:1px solid var(--line);
  box-shadow:0 0 18px rgba(43,230,168,.14) inset;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap;}
.brand-text strong{font-size:15px;color:var(--text-1);letter-spacing:.4px;}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:.34em;color:var(--text-2);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;padding:10px 14px;font-size:14.5px;color:var(--text-2);
  border-radius:8px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--neon);transform:translateX(-50%);
  box-shadow:0 0 8px rgba(43,230,168,.75);
  transition:width 180ms var(--ease);
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{width:20px;}
.main-nav a.active{color:var(--text-1);text-shadow:0 0 12px rgba(43,230,168,.45);}
.main-nav a.active::after{width:20px;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;line-height:1;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease),filter 180ms var(--ease);
}
.btn-primary{background:var(--neon);color:#06110D;}
.btn-primary:hover{background:var(--accent);color:#150800;transform:translateY(-2px);filter:brightness(1.03);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--neon);}
.btn-ghost:hover{background:rgba(43,230,168,.08);color:#7BFFD0;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--neon);
}
.text-link svg{width:14px;height:14px;transition:transform 180ms var(--ease);}
.text-link:hover svg{transform:translateX(4px);}
/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--neon);
  background:rgba(43,230,168,.05);white-space:nowrap;
}
.badge-violet{border-color:rgba(124,107,255,.32);color:var(--violet);background:rgba(124,107,255,.07);}
.badge-time{border-color:var(--line-soft);color:var(--text-2);background:transparent;}
/* ===== Hero ===== */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(8,15,13,.94),rgba(8,15,13,.62)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(43,230,168,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(43,230,168,.55) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero-inner{position:relative;z-index:2;padding:88px 0 72px;max-width:820px;}
.hero h1{
  font-size:clamp(1.9rem,4vw,2.75rem);line-height:1.28;letter-spacing:.5px;
}
.hero h1 .h1-sub{display:block;font-size:clamp(1.2rem,2.4vw,1.6rem);color:var(--text-2);font-weight:600;margin-top:14px;letter-spacing:.6px;}
.hero-lead{margin-top:22px;color:var(--text-2);font-size:16.5px;max-width:680px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:46px;padding-top:26px;
  border-top:1px solid var(--line-soft);
}
.hero-metrics div{display:flex;flex-direction:column;gap:4px;}
.hero-metrics b{font-size:20px;color:var(--accent);letter-spacing:.5px;}
.hero-metrics span{font-size:12.5px;color:var(--text-3);letter-spacing:.06em;}
/* ===== 指标看板 ===== */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.kpi-card{
  position:relative;background:var(--bg-2);border-radius:var(--r-card);
  padding:26px 24px 22px;box-shadow:var(--shadow-card);overflow:hidden;
  transition:box-shadow 180ms var(--ease),transform 180ms var(--ease);
}
.kpi-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,rgba(43,230,168,0),var(--neon));}
.kpi-card:nth-child(2)::before{background:linear-gradient(90deg,rgba(43,230,168,0),#4FE9C3);}
.kpi-card:nth-child(3)::before{background:linear-gradient(90deg,rgba(255,122,47,0),var(--accent));}
.kpi-card:nth-child(4)::before{background:linear-gradient(90deg,rgba(124,107,255,0),var(--violet));}
.kpi-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.kpi-value{font-size:clamp(2.1rem,4.4vw,2.9rem);font-weight:700;color:var(--accent);line-height:1.1;letter-spacing:.5px;}
.kpi-value small{font-size:.5em;color:var(--text-2);margin-left:6px;font-weight:600;}
.kpi-label{margin-top:10px;font-size:14.5px;color:var(--text-1);}
.kpi-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--text-3);line-height:1.7;}
/* ===== Bento 服务矩阵 ===== */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-card{
  background:var(--bg-2);border-radius:var(--r-card);padding:28px 26px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:14px;
  transition:box-shadow 180ms var(--ease),transform 180ms var(--ease);
}
.bento-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.bento-card .idx{font-size:12px;color:var(--neon);letter-spacing:.2em;}
.bento-card h3{font-size:1.25rem;line-height:1.5;}
.bento-card p{color:var(--text-2);font-size:14.5px;line-height:1.85;}
.bento-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:rgba(43,230,168,.06);}
.bento-icon svg{width:20px;height:20px;}
.bento-card .text-link{margin-top:auto;}
.b-7{grid-column:span 7;}
.b-5{grid-column:span 5;}
.b-4{grid-column:span 4;}
/* ===== 结果对比 ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;}
.compare-col{background:var(--bg-2);border-radius:var(--r-card);padding:26px 26px 22px;box-shadow:var(--shadow-card);}
.compare-col.old{color:var(--text-2);}
.compare-col.old h3{color:var(--text-2);font-size:1.1rem;margin-bottom:6px;}
.compare-col.new{background:var(--bg-3);border-left:2px solid var(--neon);}
.compare-col.new h3{color:var(--text-1);font-size:1.1rem;margin-bottom:6px;}
.compare-sub{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-top:1px solid var(--line-soft);
  font-size:14.5px;line-height:1.75;
}
.compare-list li:first-child{border-top:0;}
.compare-list .dot{width:7px;height:7px;border-radius:2px;flex:none;margin-top:9px;background:var(--text-3);}
.compare-col.new .dot{background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.6);}
.compare-list b{color:var(--accent);font-weight:700;}
.compare-note{margin-top:22px;font-size:12.5px;color:var(--text-3);}
/* ===== 最新动态 ===== */
.news-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start;}
.news-feature{
  display:block;background:var(--bg-2);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:box-shadow 180ms var(--ease),transform 180ms var(--ease);
}
.news-feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.news-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.news-feature:hover .news-cover img{transform:scale(1.03);}
.news-cover::after{content:"";position:absolute;inset:auto 0 0 0;height:56%;background:linear-gradient(180deg,rgba(8,15,13,0),rgba(8,15,13,.72));}
.news-body{padding:24px;}
.news-body h3{font-size:1.15rem;line-height:1.55;margin:14px 0 10px;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{color:var(--text-2);font-size:14.5px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3);}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-row{
  display:grid;grid-template-columns:112px 1fr;gap:16px;background:var(--bg-2);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-card);
  transition:box-shadow 180ms var(--ease),transform 180ms var(--ease);
}
.news-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.news-thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg-3);align-self:start;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.news-row:hover .news-thumb img{transform:scale(1.05);}
.news-row h4{font-size:15px;line-height:1.6;color:var(--text-1);margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row p{color:var(--text-2);font-size:13.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .news-meta{margin-top:10px;padding-top:10px;font-size:12px;}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--bg-2);border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:40px 24px;text-align:center;
}
.empty-state svg{width:36px;height:36px;}
.empty-state p{color:var(--text-2);font-size:14.5px;}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--bg-2);border-radius:var(--r-card);border-left:3px solid transparent;
  box-shadow:var(--shadow-card);overflow:hidden;transition:background 160ms var(--ease),border-color 160ms var(--ease);
}
.faq-item.is-open{background:var(--bg-3);border-left-color:var(--neon);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:0 24px;min-height:62px;font-size:15.5px;font-weight:600;color:var(--text-1);
}
.faq-q .q-idx{font-size:12px;color:var(--neon);letter-spacing:.1em;flex:none;}
.faq-q .faq-icon{margin-left:auto;}
.faq-icon{position:relative;width:16px;height:16px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--neon);border-radius:1px;transition:transform 180ms var(--ease),opacity 180ms var(--ease);}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 220ms var(--ease);}
.faq-panel-inner{padding:0 24px 22px 52px;color:var(--text-2);font-size:14.5px;line-height:1.85;}
.faq-panel-inner ul li{position:relative;padding-left:16px;margin-top:8px;}
.faq-panel-inner ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--neon);}
/* ===== 转化表单 ===== */
.apply{background:var(--bg-1);}
.apply-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.apply-points{display:flex;flex-direction:column;gap:22px;margin-top:8px;}
.apply-point{display:flex;gap:16px;align-items:flex-start;}
.apply-point .n{font-size:13px;color:var(--neon);letter-spacing:.14em;flex:none;padding-top:3px;}
.apply-point h4{font-size:15.5px;margin-bottom:6px;}
.apply-point p{color:var(--text-2);font-size:14px;line-height:1.8;}
.form-card{background:var(--bg-2);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-card);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:12.5px;color:var(--text-2);letter-spacing:.06em;}
.field .req{color:var(--accent);}
.field input,.field select,.field textarea{
  background:var(--bg-3);border:1px solid var(--line-soft);border-radius:var(--r-input);
  min-height:48px;padding:12px 16px;font-size:14.5px;color:var(--text-1);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,230,168,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);}
.field .err-msg{font-size:12.5px;color:var(--err);display:none;}
.field.has-error .err-msg{display:block;}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2393A6A0' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:44px;
}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7;}
.checkbox-row input{width:18px;height:18px;min-height:18px;flex:none;margin-top:3px;accent-color:var(--neon);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;}
.form-feedback{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(53,208,138,.1);border:1px solid rgba(53,208,138,.34);color:var(--ok);font-size:13.5px;
}
.form-feedback.is-visible{display:block;}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-1);padding-top:72px;}
.footer-top{height:1px;background:linear-gradient(90deg,rgba(43,230,168,0),rgba(43,230,168,.42),rgba(43,230,168,0));}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:56px 0 40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:13.5px;line-height:1.85;max-width:300px;}
.footer-col h4{font-size:13px;letter-spacing:.16em;color:var(--text-1);margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--text-2);position:relative;}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--neon);
  transition:width 200ms var(--ease);
}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line-soft);font-size:12.5px;color:var(--text-3);
}
.footer-bottom .num{color:var(--text-3);}
/* ===== 移动抽屉 ===== */
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--neon);border-radius:2px;transition:transform 180ms var(--ease),opacity 180ms var(--ease);}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:200;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 240ms var(--ease);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-brand{font-size:14px;color:var(--text-1);letter-spacing:.4px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--neon);font-size:18px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;min-height:56px;color:var(--text-2);font-size:15.5px;
  border-bottom:1px solid var(--line-soft);opacity:0;transform:translateX(12px);
}
.drawer.is-open .drawer-nav a{opacity:1;transform:none;transition:opacity 240ms var(--ease),transform 240ms var(--ease);}
.drawer.is-open .drawer-nav a:nth-child(1){transition-delay:40ms;}
.drawer.is-open .drawer-nav a:nth-child(2){transition-delay:80ms;}
.drawer.is-open .drawer-nav a:nth-child(3){transition-delay:120ms;}
.drawer.is-open .drawer-nav a:nth-child(4){transition-delay:160ms;}
.drawer.is-open .drawer-nav a:nth-child(5){transition-delay:200ms;}
.drawer-nav a.active{color:var(--neon);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,10,8,.72);z-index:190;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
/* ===== 动效 ===== */
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.is-in{opacity:1;transform:none;transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
}
/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 24px;}
}
@media (max-width:1024px){
  .section{padding:76px 0;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .b-7,.b-5{grid-column:span 6;}
  .b-4{grid-column:span 6;}
  .news-layout{grid-template-columns:1fr;}
  .apply-layout{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{min-height:420px;}
  .hero-inner{padding:64px 0 56px;}
  .hero-metrics{gap:16px 28px;margin-top:34px;}
  .kpi-grid{grid-template-columns:1fr;gap:18px;}
  .bento{grid-template-columns:1fr;gap:18px;}
  .b-7,.b-5,.b-4{grid-column:span 1;}
  .compare{grid-template-columns:1fr;gap:18px;}
  .news-row{grid-template-columns:96px 1fr;gap:14px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .faq-q{padding:0 18px;gap:12px;font-size:15px;}
  .faq-panel-inner{padding:0 18px 20px 44px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:480px){
  body{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .kpi-value{font-size:2.1rem;}
  .news-row{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/9;}
}

/* roulang page: article */
:root{
  --bg-0:#080F0D;
  --bg-1:#0D1815;
  --bg-2:#121F1B;
  --bg-3:#172722;
  --line:rgba(43,230,168,.14);
  --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8;
  --accent:#FF7A2F;
  --violet:#7C6BFF;
  --text-1:#E8F2EE;
  --text-2:#93A6A0;
  --text-3:#63756F;
  --ok:#35D08A;
  --warn:#F5B942;
  --err:#FF5D5D;
  --r-card:16px;
  --r-img:18px;
  --r-input:12px;
  --r-btn:10px;
  --shadow-card:0 0 0 1px var(--line-soft),0 14px 32px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px var(--line),0 18px 38px rgba(0,0,0,.52),0 0 24px rgba(43,230,168,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
ul{list-style:none}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
.num,.tabular{font-variant-numeric:tabular-nums;font-family:var(--mono)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-line::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,230,168,.34),transparent);
}
@media(max-width:1024px){
  .section{padding:72px 0}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,15,13,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:background var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:var(--bg-1);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height var(--t);
}
.site-header.scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;flex:0 0 auto;
  border-radius:10px;background:var(--bg-2);border:1px solid var(--line);
  box-shadow:0 0 18px rgba(43,230,168,.14);
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text strong{display:block;font-size:16px;line-height:1.15;color:var(--text-1);letter-spacing:.02em}
.brand-text em{display:block;font-style:normal;font-size:10px;line-height:1.35;letter-spacing:.28em;color:var(--neon)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{
  position:relative;display:inline-block;
  padding:6px 2px;font-size:15px;color:var(--text-2);
  transition:color var(--t);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.8);
  transition:width var(--t);
}
.main-nav a:hover{color:var(--text-1)}
.main-nav a:hover::after{width:20px}
.main-nav a.active{color:var(--text-1);text-shadow:0 0 10px rgba(43,230,168,.45)}
.main-nav a.active::after{width:20px}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  background:var(--bg-2);border:1px solid var(--line-soft);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-mask{
  position:fixed;inset:0;background:rgba(4,10,8,.72);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:60;
}
body.nav-open .nav-mask{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;transition:var(--t);white-space:nowrap;
}
.btn-primary{background:var(--neon);color:#06110D}
.btn-primary:hover{background:var(--accent);color:#150703;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,47,.25)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--neon)}
.btn-ghost:hover{background:rgba(43,230,168,.08);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;
  padding:6px 0;color:var(--neon);font-size:14px;cursor:pointer;transition:var(--t);
}
.btn-text svg{width:14px;height:14px;transition:transform var(--t)}
.btn-text:hover{color:#6BF2C6}
.btn-text:hover svg{transform:translateX(4px)}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;line-height:1.7;color:var(--neon);background:transparent;
}
.badge-violet{border-color:rgba(124,107,255,.42);color:var(--violet)}
.badge-muted{border-color:var(--line-soft);color:var(--text-2)}

/* ---------- 文章头部 ---------- */
.article-head{padding:40px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46vw}
.article-title{
  font-size:clamp(1.9rem,4vw,2.4rem);
  line-height:1.35;
  letter-spacing:.005em;
  max-width:900px;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;font-size:13px;color:var(--text-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3)}
.article-cover{
  margin-top:32px;border-radius:var(--r-img);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line-soft);
  aspect-ratio:21/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover}
.cover-caption{margin:12px 0 0;font-size:12.5px;color:var(--text-3)}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;
}
.article-body{
  max-width:760px;min-width:0;
  font-size:16.5px;line-height:1.9;color:var(--text-1);
}
.article-body h2{
  position:relative;
  font-size:clamp(1.4rem,2.4vw,1.75rem);line-height:1.4;
  margin:2em 0 .8em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  border-radius:3px;background:var(--neon);box-shadow:0 0 10px rgba(43,230,168,.55);
}
.article-body h3{font-size:1.25rem;line-height:1.5;margin:1.6em 0 .6em;color:var(--text-1)}
.article-body h4{font-size:1.05rem;line-height:1.6;margin:1.4em 0 .5em;color:var(--text-1)}
.article-body p{margin:0 0 1.15em;color:var(--text-1)}
.article-body ul{margin:0 0 1.15em}
.article-body ul li{
  position:relative;padding-left:20px;margin-bottom:8px;line-height:1.8;color:var(--text-1);
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.6);
}
.article-body ol{margin:0 0 1.15em;padding-left:1.5em;list-style:decimal}
.article-body ol li{margin-bottom:8px;line-height:1.8}
.article-body ol li::marker{color:var(--neon);font-family:var(--mono)}
.article-body blockquote{
  margin:1.5em 0;padding:20px 22px;
  border-left:3px solid var(--neon);border-radius:0 12px 12px 0;
  background:rgba(18,31,27,.7);color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.4em 0 10px;width:100%;height:auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption,.article-body .img-caption{font-size:12px;color:var(--text-3);margin-top:8px}
.article-body a{
  color:var(--neon);
  background-image:linear-gradient(var(--neon),var(--neon));
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size var(--t);
}
.article-body a:hover{background-size:100% 1px}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  border:1px solid var(--line-soft);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line-soft);text-align:left;
}
.article-body th{background:var(--bg-2);color:var(--neon);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(43,230,168,.34),transparent);margin:2.4em 0}
.article-body code{
  font-family:var(--mono);font-size:.9em;background:var(--bg-3);
  padding:2px 6px;border-radius:6px;color:var(--neon);
}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-title{
  font-size:12px;letter-spacing:.18em;color:var(--text-2);
  margin:0 0 14px;font-weight:600;
}
.toc-list a{
  display:block;padding:8px 10px 8px 14px;margin-bottom:2px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  font-size:14px;line-height:1.7;color:var(--text-2);
  transition:var(--t);
}
.toc-list a:hover,.toc-list a.active{
  color:var(--text-1);border-left-color:var(--neon);
  background:rgba(43,230,168,.06);
  text-shadow:0 0 10px rgba(43,230,168,.3);
}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14px;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);transition:var(--t);
}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{color:var(--neon);padding-left:4px}
.side-links a svg{width:14px;height:14px;flex:0 0 auto}

/* ---------- 文末标签与操作 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:2.6em;padding-top:26px;border-top:1px solid var(--line-soft)}
.post-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:var(--t);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.media{
  aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg-3);
  margin-bottom:18px;border:1px solid var(--line-soft);
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.card:hover .media img{transform:scale(1.03)}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.card-title{
  font-size:17px;line-height:1.55;margin:0 0 10px;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.8;color:var(--text-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);padding-top:14px;
  border-top:1px solid var(--line-soft);
}
.section-head{margin-bottom:40px;max-width:720px}
.section-title{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.35;margin-bottom:14px}
.section-sub{font-size:15px;line-height:1.9;color:var(--text-2);margin:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:12px;
  overflow:hidden;transition:var(--t);
}
.faq-item.open{background:var(--bg-3);border-color:var(--line)}
.faq-q{
  position:relative;display:flex;align-items:center;gap:14px;width:100%;
  min-height:62px;padding:14px 20px;background:none;border:0;
  text-align:left;cursor:pointer;color:var(--text-1);font-size:16px;font-weight:600;
  transition:color var(--t);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--neon);box-shadow:0 0 10px rgba(43,230,168,.6);
  opacity:0;transition:opacity var(--t);
}
.faq-item.open .faq-q::before{opacity:1}
.faq-q .idx{font-family:var(--mono);font-size:13px;color:var(--neon);flex:0 0 auto}
.faq-q .sign{
  position:relative;margin-left:auto;width:18px;height:18px;flex:0 0 auto;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:var(--neon);border-radius:2px;
}
.faq-q .sign::before{left:0;right:0;top:8px;height:2px}
.faq-q .sign::after{top:0;bottom:0;left:8px;width:2px;transition:transform var(--t)}
.faq-item.open .faq-q .sign::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 160ms var(--ease)}
.faq-a-inner{padding:0 20px 20px 52px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a-inner ul li{color:var(--text-2)}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:var(--bg-2);
  border:1px dashed var(--line-soft);border-radius:var(--r-card);padding:32px;
}
.empty-state svg{width:38px;height:38px;stroke:var(--text-3)}
.empty-state p{margin:0;font-size:15px;color:var(--text-2)}

/* ---------- CTA 表单 ---------- */
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.points{display:flex;flex-direction:column;gap:20px;margin-top:26px}
.point{display:flex;gap:14px;align-items:flex-start}
.point .no{
  font-family:var(--mono);font-size:13px;color:var(--neon);
  padding-top:4px;flex:0 0 auto;
}
.point strong{display:block;font-size:15.5px;margin-bottom:2px}
.point span{font-size:14px;color:var(--text-2);line-height:1.8}
.form-card{
  background:var(--bg-2);border:1px solid var(--line-soft);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:10px}
.field .req{color:var(--neon)}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-3);border:1px solid var(--line-soft);
  border-radius:var(--r-input);min-height:48px;padding:12px 14px;
  color:var(--text-1);transition:var(--t);appearance:none;-webkit-appearance:none;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,230,168,.16);
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232BE6A8' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.field select option{background:var(--bg-1);color:var(--text-1)}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 22px;font-size:13px;color:var(--text-2)}
.check-row input{width:18px;height:18px;min-height:0;accent-color:var(--neon);margin-top:3px;flex:0 0 auto}
.form-note{font-size:13px;margin:14px 0 0;color:var(--text-2);min-height:20px}
.form-note.ok{color:var(--ok)}
.form-note.err{color:var(--err)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-1);margin-top:0}
.footer-top{height:1px;background:linear-gradient(90deg,transparent,rgba(43,230,168,.5),transparent)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-2);margin:0;max-width:320px}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-1);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col a{position:relative;display:inline-block;transition:color var(--t)}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--neon);
  transition:width var(--t);
}
.footer-col a:hover{color:var(--neon)}
.footer-col a:hover::after{width:100%}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .main-nav{gap:20px}
  .main-nav a{font-size:14px}
}
@media(max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static;top:auto}
  .article-body{max-width:100%}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media(max-width:960px){
  .nav-toggle{display:grid}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:82vw;max-width:340px;
    background:var(--bg-1);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 22px 32px;margin-left:0;
    transform:translateX(102%);transition:transform 220ms var(--ease);
    z-index:70;overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0)}
  .main-nav a{
    width:100%;display:flex;align-items:center;min-height:56px;
    font-size:16px;border-bottom:1px solid var(--line-soft);
  }
  .main-nav a::after{display:none}
  .main-nav a.active{color:var(--neon)}
  .header-actions .btn-primary{display:none}
}
@media(max-width:768px){
  .header-inner{height:62px}
  .article-head{padding:26px 0 0}
  .article-title{-webkit-line-clamp:4}
  .article-cover{aspect-ratio:16/9;margin-top:24px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;padding:48px 0 32px}
  .footer-brand{grid-column:1 / -1}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .form-card{padding:22px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media(max-width:520px){
  body{font-size:16px}
  .brand-text em{letter-spacing:.2em}
  .article-meta{gap:10px}
  .faq-a-inner{padding:0 18px 18px 18px}
  .faq-q{padding:14px 16px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .post-actions .btn{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#080F0D;
  --bg-1:#0D1815;
  --bg-2:#121F1B;
  --bg-3:#172722;
  --line:rgba(43,230,168,.14);
  --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8;
  --accent:#FF7A2F;
  --violet:#7C6BFF;
  --text-1:#E8F2EE;
  --text-2:#93A6A0;
  --text-3:#63756F;
  --ok:#35D08A;
  --warn:#F5B942;
  --err:#FF5D5D;
  --r-card:16px;
  --r-lg:18px;
  --r-input:12px;
  --r-btn:10px;
  --shadow-card:0 0 0 1px var(--line-soft),0 14px 32px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px var(--line),0 14px 32px rgba(0,0,0,.45),0 0 24px rgba(43,230,168,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --header-h:72px;
  --header-h-s:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--neon);text-decoration:none;background-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px}
::selection{background:rgba(43,230,168,.28);color:#fff}

/* ---------- layout ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.hairline{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(43,230,168,.42),transparent);margin:0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(1.45rem,2.6vw,2rem);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
  padding-left:14px;
  position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--neon),rgba(43,230,168,.15));
  box-shadow:0 0 12px rgba(43,230,168,.45);
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:42em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--neon);margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--neon);opacity:.7}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(8,15,13,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),height 220ms var(--ease);
}
.site-header.is-scrolled{
  background:var(--bg-1);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:var(--header-h);
  transition:height 220ms var(--ease);
}
.site-header.is-scrolled .header-inner{height:var(--header-h-s)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(43,230,168,.16),rgba(43,230,168,.02));
  border:1px solid var(--line);
  box-shadow:0 0 18px rgba(43,230,168,.16) inset;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.1;white-space:nowrap}
.brand-text strong{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.02em}
.brand-text em{
  font-style:normal;font-size:10px;letter-spacing:.34em;color:var(--neon);
  text-transform:uppercase;margin-top:3px;opacity:.9;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;
  color:var(--text-2);
  font-size:15px;
  border-radius:8px;
  transition:color 180ms var(--ease),background 180ms var(--ease);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:2px;border-radius:2px;background:var(--neon);
  transform:translateX(-50%);
  transition:width 200ms var(--ease),box-shadow 200ms var(--ease);
}
.main-nav a:hover{color:var(--text-1);background:rgba(43,230,168,.05)}
.main-nav a:hover::after{width:20px;box-shadow:0 0 8px rgba(43,230,168,.7)}
.main-nav a.active{color:var(--text-1);text-shadow:0 0 12px rgba(43,230,168,.45)}
.main-nav a.active::after{width:20px;box-shadow:0 0 8px rgba(43,230,168,.8)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-soft);place-items:center;
  transition:border-color 180ms var(--ease),background 180ms var(--ease);
}
.nav-toggle:hover{border-color:var(--line);background:rgba(43,230,168,.06)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:3px auto;transition:transform 220ms var(--ease),opacity 220ms var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- buttons ---------- */
.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:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease),opacity 180ms var(--ease);
  cursor:pointer;
}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;transform:none}
.btn-primary{background:var(--neon);color:#06110D;box-shadow:0 0 0 1px rgba(43,230,168,.5),0 10px 24px rgba(43,230,168,.16)}
.btn-primary:hover{background:var(--accent);color:#150800;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,122,47,.5),0 12px 26px rgba(255,122,47,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--neon);border-color:rgba(43,230,168,.45)}
.btn-ghost:hover{background:rgba(43,230,168,.08);transform:translateY(-2px);border-color:var(--neon)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--neon);font-size:14.5px;font-weight:600;
  padding:6px 0;transition:color 180ms var(--ease),gap 180ms var(--ease);
}
.btn-link::after{content:"→";transition:transform 180ms var(--ease)}
.btn-link:hover{gap:10px}
.btn-link:hover::after{transform:translateX(2px)}
.btn-block{width:100%}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:flex-end;
  padding:64px 0 40px;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,15,13,.96) 0%,rgba(8,15,13,.82) 45%,rgba(8,15,13,.94) 100%);
}
.page-hero-inner{position:relative;z-index:2;width:100%}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2);transition:color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--neon)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-2)}
.page-hero h1{
  font-size:clamp(1.9rem,4vw,2.75rem);
  line-height:1.28;font-weight:700;letter-spacing:.01em;max-width:20em;
}
.page-hero-sub{
  margin-top:16px;color:var(--text-2);font-size:15.5px;max-width:42em;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;line-height:1.7;
  border:1px solid var(--line-soft);
  color:var(--text-2);
  background:rgba(232,242,238,.02);
  white-space:nowrap;
}
.badge--cat{color:var(--neon);border-color:rgba(43,230,168,.35);background:rgba(43,230,168,.06)}
.badge--violet{color:var(--violet);border-color:rgba(124,107,255,.35);background:rgba(124,107,255,.07)}
.badge--time{color:var(--text-2)}

/* ---------- anchor nav ---------- */
.anchor-wrap{
  position:sticky;top:var(--header-h-s);z-index:90;
  background:rgba(8,15,13,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
}
.anchor-nav{
  display:flex;gap:10px;overflow-x:auto;
  padding:12px 0;
  scrollbar-width:none;
}
.anchor-nav::-webkit-scrollbar{display:none}
.anchor-nav a{
  flex-shrink:0;
  padding:8px 18px;border-radius:999px;
  font-size:14px;color:var(--text-2);
  border:1px solid var(--line-soft);
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.anchor-nav a:hover{color:var(--text-1);border-color:var(--line);background:rgba(43,230,168,.06)}
.anchor-nav a.active{
  color:#06110D;background:var(--neon);border-color:var(--neon);
  box-shadow:0 0 18px rgba(43,230,168,.3);
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  background:var(--bg-1);overflow:hidden;
}
.stat-item{
  padding:24px 22px;
  border-right:1px solid var(--line-soft);
  position:relative;
}
.stat-item:last-child{border-right:0}
.stat-item::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--neon),rgba(43,230,168,0));
  opacity:.55;
}
.stat-item:nth-child(2)::before{background:linear-gradient(90deg,var(--accent),rgba(255,122,47,0))}
.stat-item:nth-child(3)::before{background:linear-gradient(90deg,var(--violet),rgba(124,107,255,0))}
.stat-item:nth-child(4)::before{background:linear-gradient(90deg,var(--neon),rgba(43,230,168,0))}
.stat-value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(1.9rem,3vw,2.5rem);line-height:1.1;font-weight:700;color:var(--accent);
  display:flex;align-items:baseline;gap:4px;
}
.stat-value small{font-size:.5em;color:var(--text-2);font-weight:600}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--text-2)}
.stat-note{margin-top:6px;font-size:12px;color:var(--text-3);line-height:1.7}
.strip-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ---------- filter row ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:14px 0 26px;
}
.filter-row .filter-label{
  font-size:13px;color:var(--text-3);margin-right:6px;
  font-family:var(--font-num);letter-spacing:.1em;text-transform:uppercase;
}
.chip{
  padding:7px 16px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line-soft);color:var(--text-2);
  background:transparent;cursor:pointer;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line);background:rgba(43,230,168,.06)}
.chip.is-active{color:var(--neon);border-color:rgba(43,230,168,.5);background:rgba(43,230,168,.08)}

/* ---------- news grid ---------- */
.news-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.news-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
  height:100%;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 320ms var(--ease);
}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,rgba(8,15,13,0),rgba(8,15,13,.85));
  pointer-events:none;
}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{
  font-size:1.08rem;line-height:1.55;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3{color:#fff}
.news-body p{
  font-size:14.5px;color:var(--text-2);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.news-meta .num{color:var(--text-2)}
.load-more{display:flex;justify-content:center;margin-top:40px}

/* ---------- topic list ---------- */
.topic-list{
  border:1px solid var(--line-soft);border-radius:var(--r-card);
  background:var(--bg-1);overflow:hidden;
}
.topic-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:start;
  padding:24px 26px;
  border-bottom:1px solid var(--line-soft);
  position:relative;
  transition:background 200ms var(--ease);
}
.topic-item:last-child{border-bottom:0}
.topic-item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;
  background:var(--neon);opacity:0;transition:opacity 200ms var(--ease);
  border-radius:2px;box-shadow:0 0 10px rgba(43,230,168,.6);
}
.topic-item:hover{background:rgba(43,230,168,.04)}
.topic-item:hover::before{opacity:1}
.topic-index{
  font-family:var(--font-num);font-size:13px;color:var(--neon);
  padding-top:6px;letter-spacing:.08em;
}
.topic-main h3{font-size:1.05rem;line-height:1.5;font-weight:700;margin-bottom:6px}
.topic-main p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:46em}
.topic-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  overflow:hidden;
  position:relative;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-item.is-open{background:var(--bg-3);border-color:var(--line)}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--neon);opacity:0;transition:opacity 200ms var(--ease);
  box-shadow:0 0 12px rgba(43,230,168,.6);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  min-height:62px;padding:16px 22px 16px 26px;text-align:left;
  color:var(--text-1);font-size:16px;font-weight:600;
  transition:color 180ms var(--ease);
}
.faq-q:hover{color:#fff}
.faq-num{font-family:var(--font-num);font-size:13px;color:var(--neon);flex-shrink:0}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:20px;height:20px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--neon);border-radius:2px;
  transition:transform 220ms var(--ease),opacity 220ms var(--ease);
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-panel-inner{
  padding:0 22px 24px 26px;font-size:15px;color:var(--text-2);line-height:1.9;
}
.faq-panel-inner ul{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.faq-panel-inner li{position:relative;padding-left:18px;font-size:14.5px}
.faq-panel-inner li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--neon);opacity:.75;
}

/* ---------- apply / form ---------- */
.apply-wrap{
  background:var(--bg-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:40px;
  display:grid;grid-template-columns:1fr 1.25fr;gap:44px;
  box-shadow:var(--shadow-card);
}
.apply-points{display:flex;flex-direction:column;gap:22px;margin-top:26px}
.apply-point{display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start}
.apply-point .idx{
  font-family:var(--font-num);font-size:13px;color:var(--neon);
  border:1px solid var(--line);border-radius:8px;
  width:34px;height:34px;display:grid;place-items:center;
}
.apply-point h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
.apply-point p{font-size:14px;color:var(--text-2);line-height:1.8}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:10px}
.field--full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em}
.field label .req{color:var(--accent);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;
  background:var(--bg-3);
  border:1px solid var(--line-soft);
  border-radius:var(--r-input);
  min-height:48px;padding:12px 14px;
  font-size:15px;color:var(--text-1);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
  appearance:none;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,230,168,.16);
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--neon) 50%),linear-gradient(135deg,var(--neon) 50%,transparent 50%);
  background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:40px;
}
.field .hint{font-size:12.5px;color:var(--text-3);line-height:1.7}
.field.has-error input,.field.has-error select,.field.has-error textarea{
  border-color:var(--err);box-shadow:0 0 0 3px rgba(255,93,93,.14);
}
.field .err-msg{font-size:12.5px;color:var(--err);line-height:1.7;display:none}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.75}
.check-row input{
  width:18px;height:18px;min-height:0;margin-top:4px;flex-shrink:0;
  accent-color:var(--neon);
}
.form-status{
  margin-top:16px;font-size:13.5px;line-height:1.8;
  padding:12px 14px;border-radius:10px;display:none;
}
.form-status.is-ok{display:block;color:var(--ok);background:rgba(53,208,138,.08);border:1px solid rgba(53,208,138,.3)}
.form-status.is-warn{display:block;color:var(--warn);background:rgba(245,185,66,.08);border:1px solid rgba(245,185,66,.3)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:0;
  background:var(--bg-1);
  position:relative;
  padding:0 0 28px;
}
.footer-top{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,230,168,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand p{
  margin-top:18px;font-size:14px;color:var(--text-2);line-height:1.85;max-width:30em;
}
.footer-col h4{
  font-size:14px;font-weight:700;color:var(--text-1);
  margin-bottom:18px;letter-spacing:.04em;
  padding-left:10px;position:relative;
}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:2px;
  background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(43,230,168,.5);
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li{font-size:14px;color:var(--text-2)}
.footer-col a{
  color:var(--text-2);position:relative;display:inline-block;
  transition:color 180ms var(--ease);
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--neon);transition:width 220ms var(--ease);
}
.footer-col a:hover{color:var(--neon)}
.footer-col a:hover::after{width:100%}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ---------- drawer ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(4,10,8,.72);
  opacity:0;pointer-events:none;transition:opacity 240ms var(--ease);z-index:130;
}
.nav-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 260ms var(--ease);
  z-index:140;display:flex;flex-direction:column;
  padding:22px 20px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line-soft);
  display:grid;place-items:center;color:var(--text-1);font-size:20px;line-height:1;
}
.drawer-close:hover{border-color:var(--line);color:var(--neon)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;min-height:56px;
  padding:0 14px;color:var(--text-2);font-size:16px;
  border-bottom:1px solid var(--line-soft);
  opacity:0;transform:translateX(12px);
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-drawer.is-open .drawer-nav a{animation:drawerIn 320ms var(--ease) forwards}
.nav-drawer.is-open .drawer-nav a:nth-child(1){animation-delay:40ms}
.nav-drawer.is-open .drawer-nav a:nth-child(2){animation-delay:80ms}
.nav-drawer.is-open .drawer-nav a:nth-child(3){animation-delay:120ms}
.nav-drawer.is-open .drawer-nav a:nth-child(4){animation-delay:160ms}
.nav-drawer.is-open .drawer-nav a:nth-child(5){animation-delay:200ms}
@keyframes drawerIn{to{opacity:1;transform:translateX(0)}}
.drawer-nav a.active{color:var(--text-1);background:rgba(43,230,168,.06);box-shadow:inset 2px 0 0 var(--neon)}
.drawer-nav a:hover{color:var(--text-1);background:rgba(43,230,168,.05)}
.drawer-cta{margin-top:26px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .header-actions .btn-primary{display:none}
  .section{padding:72px 0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .apply-wrap{grid-template-columns:1fr;gap:32px;padding:32px}
  .topic-item{grid-template-columns:48px 1fr;gap:16px}
  .topic-tags{grid-column:2;justify-content:flex-start}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{min-height:240px;padding:44px 0 32px}
  .page-hero h1{font-size:clamp(1.6rem,6vw,2rem)}
  .anchor-wrap{top:56px}
  .news-grid{grid-template-columns:1fr;gap:20px}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line-soft)}
  .stat-item:last-child{border-bottom:0}
  .faq-q{padding:14px 16px 14px 20px;font-size:15px}
  .faq-panel-inner{padding:0 16px 20px 20px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .footer-brand{order:1}
  .apply-wrap{padding:24px 20px}
}
@media (max-width:480px){
  .brand-text strong{font-size:15px}
  .brand-text em{letter-spacing:.24em}
  .header-inner{gap:12px}
  .news-body{padding:18px}
  .btn{padding:0 18px;font-size:14.5px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#080F0D; --bg-1:#0D1815; --bg-2:#121F1B; --bg-3:#172722;
  --line:rgba(43,230,168,.14); --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8; --accent:#FF7A2F; --violet:#7C6BFF;
  --text-1:#E8F2EE; --text-2:#93A6A0; --text-3:#63756F;
  --ok:#35D08A; --warn:#F5B942; --err:#FF5D5D;
  --r-card:16px; --r-img:18px; --r-input:12px; --r-btn:10px;
  --shadow-card:0 0 0 1px var(--line-soft), 0 14px 32px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px var(--line), 0 0 24px rgba(43,230,168,.18), 0 14px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:180ms;
  --cw:1200px;
  --mono:ui-monospace,"SFMono-Regular","DIN Alternate","Roboto Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
::selection{background:rgba(43,230,168,.28)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:none;box-shadow:0 0 0 2px rgba(43,230,168,.7),0 0 0 5px rgba(43,230,168,.16);border-radius:8px}
.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 24px}
.hairline{height:1px;border:0;margin:0;background:linear-gradient(90deg,transparent,rgba(43,230,168,.42),transparent)}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.35;letter-spacing:.2px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15px;line-height:1.85}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--neon);text-transform:uppercase;font-family:var(--mono);margin-bottom:16px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--neon);border-radius:2px;box-shadow:0 0 10px rgba(43,230,168,.6)}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:80;background:rgba(8,15,13,.76);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.site-header.is-scrolled{background:var(--bg-1);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height var(--dur) var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:rgba(43,230,168,.08);border:1px solid var(--line)}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:16px;letter-spacing:.02em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:10px;letter-spacing:.28em;color:var(--text-2);margin-top:3px;white-space:nowrap;font-family:var(--mono)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:8px;transition:color var(--dur) var(--ease);white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:0;height:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.75);transition:width var(--dur) var(--ease)}
.main-nav a:hover{color:var(--text-1)}
.main-nav a:hover::after{width:20px}
.main-nav a.active{color:var(--text-1);text-shadow:0 0 14px rgba(43,230,168,.45)}
.main-nav a.active::after{width:20px}
.header-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;border-radius:var(--r-btn);border:0;background:var(--neon);color:#06110D;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.header-cta:hover{background:var(--accent);color:#160800;transform:translateY(-1px)}
.header-cta:active{transform:translateY(0)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;background:transparent;border:1px solid var(--line-soft);cursor:pointer;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);margin:3px auto;border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--bg-1);border-left:1px solid var(--line);transform:translateX(102%);transition:transform 260ms var(--ease);z-index:120;padding:24px 22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer a{display:flex;align-items:center;height:56px;padding:0 14px;border-radius:12px;color:var(--text-2);font-size:16px;border:1px solid transparent;opacity:0;transform:translateX(12px);transition:opacity 240ms var(--ease),transform 240ms var(--ease),background var(--dur) var(--ease)}
.nav-drawer.is-open a{opacity:1;transform:translateX(0)}
.nav-drawer a.active{color:var(--text-1);background:var(--bg-2);border-color:var(--line)}
.nav-drawer .drawer-cta{margin-top:16px;background:var(--neon);color:#06110D;justify-content:center;font-weight:600;opacity:1;transform:none}
.drawer-mask{position:fixed;inset:0;background:rgba(4,10,8,.72);opacity:0;visibility:hidden;transition:opacity 240ms var(--ease),visibility 240ms var(--ease);z-index:110}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all var(--dur) var(--ease);white-space:nowrap}
.btn-primary{background:var(--neon);color:#06110D;border-color:var(--neon)}
.btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#160800;transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,122,47,.22)}
.btn-ghost{background:transparent;color:var(--neon);border-color:var(--line)}
.btn-ghost:hover{background:rgba(43,230,168,.08);transform:translateY(-2px);box-shadow:0 0 22px rgba(43,230,168,.16)}
.btn-link{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;color:var(--neon);font-size:14px;cursor:pointer}
.btn-link svg{transition:transform var(--dur) var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

/* ===== badges ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:transparent;font-size:12px;color:var(--neon);letter-spacing:.02em;white-space:nowrap}
.badge--violet{color:var(--violet);border-color:rgba(124,107,255,.32)}
.badge--time{color:var(--text-2);border-color:var(--line-soft);font-family:var(--mono)}

/* ===== hero ===== */
.page-hero{position:relative;min-height:308px;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(180deg,rgba(8,15,13,.95),rgba(8,15,13,.74)),url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(43,230,168,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(43,230,168,.055) 1px,transparent 1px);background-size:56px 56px;opacity:.75;pointer-events:none}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.crumb a:hover{color:var(--neon)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-2)}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.28;letter-spacing:.4px;max-width:820px}
.page-hero h1 .brandpart{color:var(--neon)}
.page-hero .lead{margin-top:18px;max-width:720px;color:var(--text-2);font-size:16px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line-soft)}
.hero-facts div{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--text-2)}
.hero-facts b{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:18px;color:var(--text-1);font-weight:600}

/* ===== anchor bar ===== */
.anchor-wrap{position:sticky;top:72px;z-index:60;background:rgba(8,15,13,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-bar a{flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line-soft);color:var(--text-2);font-size:14px;transition:all var(--dur) var(--ease)}
.anchor-bar a:hover{color:var(--text-1);border-color:var(--line)}
.anchor-bar a.is-current{color:var(--neon);border-color:var(--line);background:rgba(43,230,168,.08)}

/* ===== metric strip ===== */
.metric-strip{display:flex;gap:16px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.metric-card{flex:1 0 220px;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:22px;position:relative;transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.metric-card::before{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--neon),rgba(43,230,168,0))}
.metric-card:nth-child(2)::before{background:linear-gradient(90deg,var(--accent),rgba(255,122,47,0))}
.metric-card:nth-child(3)::before{background:linear-gradient(90deg,var(--violet),rgba(124,107,255,0))}
.metric-card:nth-child(4)::before{background:linear-gradient(90deg,#35D08A,rgba(53,208,138,0))}
.metric-card:hover{border-color:var(--line);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.metric-card .val{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:clamp(2rem,4.4vw,2.9rem);line-height:1.05;color:var(--text-1);font-weight:600}
.metric-card .val span{font-size:.5em;color:var(--text-2);margin-left:6px;font-weight:400}
.metric-card .lab{margin-top:10px;font-size:13px;color:var(--text-2)}
.metric-card .tip{margin-top:12px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--text-3);line-height:1.7}
.strip-note{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px;color:var(--text-3);line-height:1.75}
.strip-note::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--neon)}

/* ===== step list ===== */
.step-list{display:grid;gap:16px}
.step-item{position:relative;display:grid;grid-template-columns:60px 1fr;gap:22px;background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:26px;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.step-item:nth-child(2){margin-left:24px}
.step-item:nth-child(3){margin-left:48px}
.step-item:nth-child(4){margin-left:72px}
.step-item:nth-child(5){margin-left:96px}
.step-item:hover{border-color:var(--line);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;color:var(--neon);letter-spacing:.08em;position:relative;padding-left:14px}
.step-num::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:2px;border-radius:2px;background:var(--neon);box-shadow:0 0 10px rgba(43,230,168,.55)}
.step-body h3{font-size:1.2rem;line-height:1.5;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.step-body p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:760px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* ===== cards / feature ===== */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.card{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:24px;transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.card:hover{border-color:var(--line);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card h3{font-size:1.2rem;line-height:1.5;margin-bottom:10px}
.card p{color:var(--text-2);font-size:15px;line-height:1.85}
.mini-list{margin-top:16px;display:grid;gap:12px}
.mini-list li{position:relative;padding-left:18px;font-size:14px;color:var(--text-2);line-height:1.8}
.mini-list li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.5)}
.img-card{overflow:hidden;padding:0}
.img-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.img-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.img-card:hover .thumb img{transform:scale(1.03)}
.img-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,15,13,0),rgba(8,15,13,.62))}
.img-card .body{padding:22px 24px 24px}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}

/* ===== compare ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--r-card);padding:24px;border:1px solid var(--line-soft);background:var(--bg-2)}
.compare-col h4{font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:16px}
.compare-col ul{display:grid;gap:14px}
.compare-col li{font-size:14px;color:var(--text-2);line-height:1.8;padding-left:16px;position:relative}
.compare-col li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--text-3)}
.compare-col--neon{border-color:var(--line);background:linear-gradient(180deg,rgba(43,230,168,.06),rgba(18,31,27,1))}
.compare-col--neon h4{color:var(--neon)}
.compare-col--neon li{color:var(--text-1)}
.compare-col--neon li::before{background:var(--neon);box-shadow:0 0 8px rgba(43,230,168,.6)}
.bar-row{display:grid;gap:8px;margin-top:18px}
.bar-line{display:grid;grid-template-columns:88px 1fr 62px;align-items:center;gap:12px;font-size:13px;color:var(--text-2)}
.bar-track{height:8px;border-radius:999px;background:var(--bg-3);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--neon);box-shadow:0 0 10px rgba(43,230,168,.4)}
.bar-fill--grey{background:#3C4A46;box-shadow:none}
.bar-val{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--text-1)}

/* ===== faq ===== */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);overflow:hidden;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.faq-item.is-open{background:var(--bg-3);border-color:var(--line)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;min-height:60px;padding:14px 22px;background:none;border:0;text-align:left;cursor:pointer;position:relative}
.faq-q .idx{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--neon);flex:0 0 auto}
.faq-q .txt{flex:1;font-size:16px;color:var(--text-1);line-height:1.6}
.faq-q .icon{flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform var(--dur) var(--ease)}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;background:var(--neon);border-radius:2px}
.faq-q .icon::before{left:0;top:10px;width:22px;height:2px}
.faq-q .icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--neon);box-shadow:0 0 12px rgba(43,230,168,.55)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms var(--ease)}
.faq-a-inner{padding:0 22px 22px 60px;color:var(--text-2);font-size:15px;line-height:1.9}
.faq-a-inner ul{display:grid;gap:8px;margin-top:10px}
.faq-a-inner li{position:relative;padding-left:16px}
.faq-a-inner li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--neon)}

/* ===== form ===== */
.apply{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.apply-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.apply-points{display:grid;gap:22px;margin-top:26px}
.apply-points li{display:grid;grid-template-columns:44px 1fr;gap:14px}
.apply-points .n{font-family:var(--mono);font-size:14px;color:var(--neon);letter-spacing:.08em;padding-top:2px}
.apply-points h4{font-size:15px;margin-bottom:4px}
.apply-points p{color:var(--text-2);font-size:14px;line-height:1.8}
.form-card{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-card)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;color:var(--text-2);margin-bottom:12px}
.form-row label .req{color:var(--neon);margin-left:4px}
.field{position:relative}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;background:var(--bg-3);border:1px solid var(--line-soft);border-radius:var(--r-input);color:var(--text-1);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,230,168,.16)}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--neon) 50%),linear-gradient(135deg,var(--neon) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:#2BE6A8;flex:0 0 auto}
.check-row a{color:var(--neon);text-decoration:underline;text-underline-offset:3px}
.form-note{margin-top:14px;font-size:12px;color:var(--text-3)}
.form-msg{margin-top:14px;font-size:13px;display:none;padding:10px 14px;border-radius:10px;border:1px solid transparent}
.form-msg.is-ok{display:block;color:var(--ok);border-color:rgba(53,208,138,.36);background:rgba(53,208,138,.08)}
.form-msg.is-err{display:block;color:var(--err);border-color:rgba(255,93,93,.36);background:rgba(255,93,93,.08)}

/* ===== footer ===== */
.site-footer{background:var(--bg-0);position:relative}
.footer-top{height:1px;background:linear-gradient(90deg,transparent,rgba(43,230,168,.5),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand p{margin-top:16px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14px;color:var(--text-2)}
.footer-col a{position:relative;color:var(--text-2);transition:color var(--dur) var(--ease)}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--neon);transition:width var(--dur) var(--ease)}
.footer-col a:hover{color:var(--neon)}
.footer-col a:hover::after{width:100%}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 0 34px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--text-3)}
.footer-bottom .num{font-family:var(--mono)}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:1180px){
  .main-nav a{padding:10px 10px;font-size:14px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .apply-grid{grid-template-columns:1fr;gap:36px}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .step-item:nth-child(3){margin-left:24px}
  .step-item:nth-child(4){margin-left:24px}
  .step-item:nth-child(5){margin-left:24px}
  .anchor-wrap{top:60px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .page-hero{min-height:248px}
  .page-hero .container{padding-top:48px;padding-bottom:48px}
  .page-hero .lead{font-size:15px}
  .compare{grid-template-columns:1fr}
  .compare-col--neon{border-left-width:2px}
  .step-item{grid-template-columns:1fr;gap:12px;margin-left:0 !important;padding:22px}
  .step-num{padding-left:12px}
  .faq-a-inner{padding-left:22px}
  .bar-line{grid-template-columns:74px 1fr 54px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .form-card{padding:20px}
  .metric-card{flex:0 0 84%}
  .page-hero h1{font-size:1.68rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#080F0D;
  --bg-1:#0D1815;
  --bg-2:#121F1B;
  --bg-3:#172722;
  --line:rgba(43,230,168,.14);
  --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8;
  --accent:#FF7A2F;
  --violet:#7C6BFF;
  --text-1:#E8F2EE;
  --text-2:#93A6A0;
  --text-3:#63756F;
  --ok:#35D08A;
  --warn:#F5B942;
  --err:#FF5D5D;
  --r-card:16px;
  --r-img:18px;
  --r-input:12px;
  --r-btn:10px;
  --shadow-card:0 0 0 1px var(--line-soft),0 14px 32px rgba(0,0,0,.45);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --header-h:72px;
}
*,*::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:1.9;
  color:var(--text-1);
  background:var(--bg-0);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text-1);}
::selection{background:rgba(43,230,168,.28);color:#E8F2EE;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}

/* ============ 发丝线 ============ */
.hair{
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line) 18%,var(--line) 82%,transparent);
  border:0;
  margin:0;
}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,15,13,.72);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t);
}
.site-header.is-scrolled{
  background:var(--bg-1);
  border-bottom-color:var(--line);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
  transition:height var(--t);
}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
  white-space:nowrap;
}
.brand-mark{
  width:34px;
  height:34px;
  flex:none;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:var(--bg-2);
  box-shadow:0 0 0 1px var(--line),0 0 18px rgba(43,230,168,.18);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;letter-spacing:.02em;color:var(--text-1);}
.brand-text em{
  font-style:normal;
  font-size:10px;
  letter-spacing:.24em;
  color:var(--neon);
  text-transform:uppercase;
}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  transition:color var(--t);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  background:var(--neon);
  border-radius:2px;
  transform:translateX(-50%);
  box-shadow:0 0 8px rgba(43,230,168,.9);
  transition:width var(--t);
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{width:20px;}
.main-nav a.active{
  color:var(--text-1);
  text-shadow:0 0 12px rgba(43,230,168,.45);
}
.main-nav a.active::after{width:20px;}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--neon);
  color:#06110D;
  box-shadow:0 0 0 1px rgba(43,230,168,.5),0 8px 22px rgba(43,230,168,.16);
}
.btn-primary:hover{
  background:var(--accent);
  color:#160A03;
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,122,47,.55),0 10px 26px rgba(255,122,47,.22);
}
.btn-ghost{
  background:transparent;
  color:var(--neon);
  box-shadow:inset 0 0 0 1px rgba(43,230,168,.45);
}
.btn-ghost:hover{background:rgba(43,230,168,.08);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 4px;
  color:var(--neon);
  font-size:15px;
  font-weight:600;
  transition:color var(--t);
}
.btn-text span{transition:transform var(--t);}
.btn-text:hover{color:var(--accent);}
.btn-text:hover span{transform:translateX(4px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* 汉堡 */
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  box-shadow:inset 0 0 0 1px var(--line);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text-1);
  transition:transform var(--t),opacity var(--t);
}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(4,10,8,.72);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--t);
  z-index:70;
}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto;}

.drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:82vw;
  max-width:340px;
  background:var(--bg-1);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:22px 20px 28px;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  height:56px;
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--line-soft);
  color:var(--text-2);
  font-size:16px;
  opacity:0;
  transform:translateX(12px);
  transition:color var(--t),opacity 240ms ease,transform 240ms ease;
}
body.drawer-open .drawer-nav a{opacity:1;transform:translateX(0);}
body.drawer-open .drawer-nav a:nth-child(1){transition-delay:40ms;}
body.drawer-open .drawer-nav a:nth-child(2){transition-delay:80ms;}
body.drawer-open .drawer-nav a:nth-child(3){transition-delay:120ms;}
body.drawer-open .drawer-nav a:nth-child(4){transition-delay:160ms;}
body.drawer-open .drawer-nav a:nth-child(5){transition-delay:200ms;}
.drawer-nav a.active{color:var(--text-1);border-left:2px solid var(--neon);padding-left:12px;}
.drawer-cta{margin-top:auto;padding-top:24px;}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;
  min-height:318px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(180deg,rgba(8,15,13,.94),rgba(8,15,13,.7)),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(43,230,168,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(43,230,168,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);transition:color var(--t);}
.crumb a:hover{color:var(--neon);}
.crumb span{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(1.7rem,3.4vw,2.5rem);
  line-height:1.3;
  max-width:22ch;
}
.page-hero h1 .hl{color:var(--neon);}
.page-hero p{
  margin-top:16px;
  max-width:42ch;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  box-shadow:inset 0 0 0 1px var(--line);
  color:var(--neon);
  background:rgba(43,230,168,.05);
}
.badge.violet{color:#B9B0FF;box-shadow:inset 0 0 0 1px rgba(124,107,255,.4);background:rgba(124,107,255,.08);}
.badge.time{color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line-soft);background:transparent;}

/* ============ 页内锚点导航 ============ */
.anchor-nav{
  position:sticky;
  top:var(--header-h);
  z-index:50;
  background:rgba(13,24,21,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
  transition:top var(--t);
}
.site-header.is-scrolled ~ .anchor-nav{top:60px;}
.anchor-nav .container{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-top:12px;
  padding-bottom:12px;
  scrollbar-width:none;
}
.anchor-nav .container::-webkit-scrollbar{display:none;}
.anchor-nav a{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  box-shadow:inset 0 0 0 1px var(--line-soft);
  transition:color var(--t),box-shadow var(--t),background var(--t);
}
.anchor-nav a:hover{color:var(--text-1);box-shadow:inset 0 0 0 1px var(--line);}
.anchor-nav a.active{
  color:#06110D;
  background:var(--neon);
  box-shadow:0 0 18px rgba(43,230,168,.22);
}

/* ============ 通用区块 ============ */
.section{padding:clamp(56px,8vw,104px) 0;}
.section-alt{background:var(--bg-1);}
.section-head{max-width:44ch;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.22em;
  color:var(--neon);
  font-family:var(--mono);
  margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--neon);
  box-shadow:0 0 8px rgba(43,230,168,.8);
}
.section-head h2{
  font-size:clamp(1.45rem,2.6vw,2rem);
  line-height:1.35;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}

/* ============ Zigzag 交替图文行 ============ */
.zigzag{display:flex;flex-direction:column;gap:clamp(48px,6vw,84px);}
.zigzag-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.zigzag-row .media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.zigzag-row .media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 320ms cubic-bezier(.2,.7,.3,1);
}
.zigzag-row .media:hover img{transform:scale(1.03);}
.zigzag-row .media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,15,13,0),rgba(8,15,13,.55));
  pointer-events:none;
}
.zigzag-row.reverse .media{order:2;}
.zigzag-row.reverse .body{order:1;}

.zigzag-row .body .idx{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--neon);
  letter-spacing:.2em;
  display:block;
  margin-bottom:12px;
}
.zigzag-row .body h3{
  font-size:clamp(1.15rem,2vw,1.45rem);
  line-height:1.5;
  margin-bottom:14px;
}
.zigzag-row .body > p{
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  max-width:42ch;
}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:0;}
.point-list li{
  position:relative;
  display:flex;
  gap:12px;
  padding:12px 0 12px 14px;
  border-top:1px solid var(--line-soft);
  font-size:15px;
  color:var(--text-1);
  transition:color var(--t);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%) scaleY(.2);
  width:2px;
  height:22px;
  background:var(--neon);
  border-radius:2px;
  opacity:0;
  transition:opacity var(--t),transform var(--t);
}
.point-list li:hover::before{opacity:1;transform:translateY(-50%) scaleY(1);}
.point-list li .k{
  flex:none;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  color:var(--text-3);
  padding-top:4px;
}

/* ============ 对照条 ============ */
.compare-wrap{
  border-radius:var(--r-card);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
  padding:clamp(22px,3vw,34px);
}
.compare-row{padding:20px 0;border-bottom:1px solid var(--line-soft);}
.compare-row:last-of-type{border-bottom:0;}
.compare-label{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:14px;
}
.compare-label h4{font-size:16px;font-weight:600;}
.compare-label .note{font-size:13px;color:var(--text-3);}
.bar-pair{display:flex;flex-direction:column;gap:10px;}
.bar{
  display:grid;
  grid-template-columns:78px 1fr 88px;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-2);
}
.bar .track{
  position:relative;
  height:10px;
  border-radius:999px;
  background:var(--bg-3);
  overflow:hidden;
}
.bar .track i{
  position:absolute;
  inset:0 auto 0 0;
  border-radius:999px;
  display:block;
}
.bar.base .track i{background:linear-gradient(90deg,rgba(147,166,160,.25),rgba(147,166,160,.5));}
.bar.neon .track i{
  background:linear-gradient(90deg,rgba(43,230,168,.35),var(--neon));
  box-shadow:0 0 14px rgba(43,230,168,.4);
}
.bar .val{
  text-align:right;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  color:var(--text-1);
}
.bar.neon .val{color:var(--neon);}
.compare-note{
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
  line-height:1.8;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--bg-2);
  border-radius:var(--r-card);
  box-shadow:0 0 0 1px var(--line-soft);
  overflow:hidden;
  transition:background var(--t),box-shadow var(--t);
}
.faq-item.open{background:var(--bg-3);box-shadow:0 0 0 1px var(--line);}
.faq-q{
  width:100%;
  min-height:60px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 22px;
  text-align:left;
  font-size:16px;
  color:var(--text-1);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--neon);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform var(--t);
}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-q .q-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--text-3);
  flex:none;
}
.faq-q .q-text{flex:1;}
.faq-icon{
  position:relative;
  width:16px;
  height:16px;
  flex:none;
  transition:transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--neon);
  border-radius:2px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms cubic-bezier(.2,.7,.3,1);
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}
.faq-a-inner ul{margin-top:10px;}
.faq-a-inner li{
  position:relative;
  padding-left:16px;
  line-height:1.8;
}
.faq-a-inner li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--neon);
}

/* ============ 转化表单 ============ */
.apply{background:var(--bg-1);}
.apply-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
.apply-points{display:flex;flex-direction:column;gap:22px;margin-top:26px;}
.apply-points li{display:flex;gap:14px;}
.apply-points .p-num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--neon);
  padding-top:3px;
  flex:none;
}
.apply-points h4{font-size:16px;margin-bottom:6px;}
.apply-points p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

.form-card{
  background:var(--bg-2);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:clamp(22px,3vw,34px);
}
.field{margin-bottom:20px;}
.field label{
  display:block;
  font-size:13px;
  color:var(--text-2);
  margin-bottom:8px;
}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  background:var(--bg-3);
  border:1px solid var(--line-soft);
  border-radius:var(--r-input);
  transition:border-color var(--t),box-shadow var(--t);
  appearance:none;
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%232BE6A8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(43,230,168,.16);
}
.field .hint{font-size:12.5px;color:var(--text-3);margin-top:8px;line-height:1.7;}
.checkbox{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:22px;
}
.checkbox input{
  width:18px;
  height:18px;
  flex:none;
  margin-top:3px;
  accent-color:#2BE6A8;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);position:relative;}
.site-footer .footer-top{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,230,168,.5),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:clamp(24px,3vw,48px);
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:34ch;}
.footer-col h4{
  font-size:14px;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.06em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14px;color:var(--text-2);}
.footer-col a{
  position:relative;
  display:inline-block;
  color:var(--text-2);
  transition:color var(--t);
}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:0;
  height:1px;
  background:var(--neon);
  transition:width var(--t);
}
.footer-col a:hover{color:var(--text-1);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 26px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom .num{color:var(--text-3);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms ease,transform 520ms cubic-bezier(.2,.7,.3,1);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .zigzag-row{gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
  .apply-grid{grid-template-columns:1fr;}
}
@media (max-width:820px){
  .zigzag-row{grid-template-columns:1fr;}
  .zigzag-row .media{order:1 !important;}
  .zigzag-row .body{order:2 !important;}
  .zigzag-row .body > p{max-width:none;}
}
@media (max-width:768px){
  body{font-size:15.5px;}
  .page-hero{min-height:240px;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .compare-label{flex-direction:column;gap:6px;align-items:flex-start;}
  .bar{grid-template-columns:64px 1fr 72px;gap:10px;font-size:12.5px;}
  .anchor-nav{top:60px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .header-inner{gap:14px;}
  .brand-text strong{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{padding:0 16px;font-size:15px;gap:12px;}
  .faq-a-inner{padding:0 16px 20px;}
  .bar{grid-template-columns:1fr;gap:6px;}
  .bar .val{text-align:left;}
  .bar .track{height:8px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#080F0D;
  --bg-1:#0D1815;
  --bg-2:#121F1B;
  --bg-3:#172722;
  --line:rgba(43,230,168,.14);
  --line-soft:rgba(232,242,238,.08);
  --neon:#2BE6A8;
  --accent:#FF7A2F;
  --violet:#7C6BFF;
  --text-1:#E8F2EE;
  --text-2:#93A6A0;
  --text-3:#63756F;
  --ok:#35D08A;
  --warn:#F5B942;
  --err:#FF5D5D;
  --r-card:16px;
  --r-img:18px;
  --r-input:12px;
  --r-btn:10px;
  --shadow:0 0 0 1px var(--line-soft),0 14px 32px rgba(0,0,0,.45);
  --shadow-hover:0 0 0 1px var(--line),0 14px 32px rgba(0,0,0,.45),0 0 24px rgba(43,230,168,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --header-h:72px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(circle at 12% -10%,rgba(43,230,168,.10),transparent 46%),radial-gradient(circle at 88% 0%,rgba(124,107,255,.08),transparent 42%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--neon);text-decoration:none;transition:color 180ms var(--ease),border-color 180ms var(--ease);}
a:hover{color:#6BF2C6;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:4px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.hairline{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}
.section{padding:96px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--neon);letter-spacing:.08em;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--neon);border-radius:2px;box-shadow:0 0 8px rgba(43,230,168,.6);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:rgba(8,15,13,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:height 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.site-header.scrolled{height:60px;background:var(--bg-1);border-bottom-color:var(--line);}
.header-inner{height:100%;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;white-space:nowrap;}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--bg-2);border:1px solid var(--line);display:grid;place-items:center;box-shadow:0 0 18px rgba(43,230,168,.16);}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{color:var(--text-1);font-size:16px;letter-spacing:.02em;}
.brand-text em{font-style:normal;color:var(--text-2);font-size:10px;letter-spacing:.24em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  color:var(--text-2);font-size:15px;border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--neon);
  transition:width 180ms var(--ease);box-shadow:0 0 8px rgba(43,230,168,.7);
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{width:20px;}
.main-nav a.active{color:var(--text-1);text-shadow:0 0 14px rgba(43,230,168,.45);}
.main-nav a.active::after{width:20px;}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;background:var(--bg-2);
  border:1px solid var(--line-soft);cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:3px auto;transition:transform 180ms var(--ease),opacity 180ms var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(4,10,8,.72);opacity:0;visibility:hidden;transition:opacity 180ms var(--ease),visibility 180ms var(--ease);z-index:110;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:120;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 220ms var(--ease);
  padding:24px 20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer .brand{margin-bottom:18px;}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:56px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:16px;border-bottom:1px solid var(--line-soft);
  opacity:0;transform:translateX(12px);
}
.drawer.open a.drawer-link{animation:drawerIn 260ms var(--ease) forwards;}
@keyframes drawerIn{to{opacity:1;transform:translateX(0);}}
.drawer a.drawer-link.active{color:var(--neon);}
.drawer .btn{margin-top:20px;width:100%;justify-content:center;}

/* ============ 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:600;cursor:pointer;border:1px solid transparent;
  transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease),box-shadow 180ms var(--ease);
}
.btn-solid{background:var(--neon);color:#06110D;}
.btn-solid:hover{background:var(--accent);color:#120702;box-shadow:0 0 24px rgba(255,122,47,.35);}
.btn-ghost{background:transparent;color:var(--neon);border-color:var(--line);}
.btn-ghost:hover{background:rgba(43,230,168,.08);color:#6BF2C6;border-color:var(--neon);}
.btn-text{background:none;border:0;padding:0;min-height:auto;color:var(--neon);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.btn-text svg{transition:transform 180ms var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}
.btn:active{transform:translateY(1px);}

/* ============ 分类页 Hero ============ */
.page-hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:320px;padding:56px 0;}
.hero-media{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,15,13,.95) 0%,rgba(8,15,13,.74) 60%,rgba(8,15,13,.94) 100%);}
.hero-grid{position:absolute;inset:0;opacity:.06;background-image:linear-gradient(rgba(43,230,168,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(43,230,168,.6) 1px,transparent 1px);background-size:56px 56px;}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-2);}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.75rem);line-height:1.28;margin-bottom:16px;}
.page-hero h1 span{color:var(--neon);}
.hero-lead{max-width:760px;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags .badge{background:rgba(13,24,21,.7);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;color:var(--neon);line-height:1.6;background:transparent;
}
.badge-violet{border-color:rgba(124,107,255,.35);color:var(--violet);}
.badge-muted{border-color:var(--line-soft);color:var(--text-2);}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:60;
  background:rgba(13,24,21,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;border:1px solid var(--line-soft);
  color:var(--text-2);font-size:14px;white-space:nowrap;min-height:38px;display:inline-flex;align-items:center;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.anchor-pill:hover{color:var(--text-1);border-color:var(--line);}
.anchor-pill.active{color:var(--neon);border-color:var(--line);background:rgba(43,230,168,.10);}

/* ============ 卡片通用 ============ */
.card{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);transition:box-shadow 180ms var(--ease),transform 180ms var(--ease),border-color 180ms var(--ease);
}
.card:hover{box-shadow:var(--shadow-hover);border-color:var(--line);transform:translateY(-2px);}
.card .idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--neon);font-size:13px;letter-spacing:.08em;}
.card h3{font-size:1.25rem;line-height:1.5;margin:14px 0 10px;}
.card p{color:var(--text-2);font-size:15px;line-height:1.85;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}

/* ============ 支持渠道图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.media-card{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--shadow);position:relative;background:var(--bg-2);}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 320ms var(--ease);}
.media-card:hover img{transform:scale(1.03);}
.media-card::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(180deg,transparent,rgba(8,15,13,.86));pointer-events:none;}
.media-caption{position:absolute;left:18px;bottom:14px;z-index:2;font-size:13px;color:var(--text-2);}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line-soft);position:relative;transition:padding-left 180ms var(--ease);}
.check-list li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--neon);border-radius:2px;transition:height 180ms var(--ease);box-shadow:0 0 8px rgba(43,230,168,.7);
}
.check-list li:hover::before{height:60%;}
.check-list li:hover{padding-left:12px;}
.check-list .dot{flex:0 0 8px;width:8px;height:8px;margin-top:12px;border-radius:2px;background:var(--neon);box-shadow:0 0 10px rgba(43,230,168,.6);}
.check-list strong{display:block;font-size:16px;color:var(--text-1);margin-bottom:4px;}
.check-list span{color:var(--text-2);font-size:14.5px;line-height:1.8;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:36px;margin-top:8px;}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:1px;background:linear-gradient(180deg,var(--neon),rgba(43,230,168,.10));}
.tl-item{position:relative;padding-bottom:56px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--neon);box-shadow:0 0 14px rgba(43,230,168,.55);
}
.tl-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:10px;}
.tl-head h3{font-size:1.25rem;line-height:1.5;}
.tl-meta{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);letter-spacing:.04em;}
.tl-item p{color:var(--text-2);font-size:15.5px;max-width:760px;}
.tl-list{margin-top:16px;display:grid;gap:10px;}
.tl-list li{display:flex;gap:12px;color:var(--text-2);font-size:15px;align-items:flex-start;}
.tl-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:11px;border-radius:2px;background:var(--violet);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:background 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.faq-item.open{background:var(--bg-3);border-color:var(--line);box-shadow:inset 3px 0 0 var(--neon);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;min-height:62px;padding:12px 22px;
  background:none;border:0;color:var(--text-1);font-size:16px;line-height:1.6;text-align:left;cursor:pointer;
  transition:color 180ms var(--ease);
}
.faq-q:hover{color:var(--neon);}
.faq-q .q-idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--neon);flex:0 0 auto;}
.faq-q .sign{margin-left:auto;flex:0 0 auto;color:var(--text-2);font-size:20px;line-height:1;transition:transform 180ms var(--ease),color 180ms var(--ease);}
.faq-item.open .sign{transform:rotate(45deg);color:var(--neon);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms var(--ease);}
.faq-a-inner{padding:0 22px 20px 60px;color:var(--text-2);font-size:15px;line-height:1.85;}
.faq-a-inner ul{margin-top:10px;display:grid;gap:8px;}
.faq-a-inner li{display:flex;gap:10px;}
.faq-a-inner li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:10px;border-radius:2px;background:var(--neon);}

/* ============ 表单 ============ */
.apply-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.apply-points li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-soft);}
.apply-points .idx{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--neon);font-size:13px;padding-top:4px;}
.apply-points strong{display:block;font-size:16px;margin-bottom:4px;}
.apply-points span{color:var(--text-2);font-size:14.5px;}
.apply-form{background:var(--bg-2);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow);}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-3);border:1px solid var(--line-soft);border-radius:var(--r-input);
  color:var(--text-1);font-family:inherit;font-size:15px;padding:0 14px;height:48px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(43,230,168,.18);
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2393A6A0' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
.field select option{background:var(--bg-1);color:var(--text-1);}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:22px;color:var(--text-2);font-size:13.5px;line-height:1.7;}
.checkbox-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--neon);flex:0 0 18px;}
.form-note{font-size:13px;color:var(--text-2);margin-top:14px;min-height:20px;}
.form-note.ok{color:var(--ok);}
.apply-form .btn{width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);position:relative;margin-top:24px;}
.footer-top{height:1px;background:linear-gradient(90deg,transparent,rgba(43,230,168,.55),transparent);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.9;margin-top:16px;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--text-1);letter-spacing:.06em;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;font-size:14.5px;color:var(--text-2);}
.footer-col a{color:var(--text-2);position:relative;display:inline-block;}
.footer-col a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--neon);transition:width 200ms var(--ease);}
.footer-col a:hover{color:var(--neon);}
.footer-col a:hover::after{width:100%;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--line-soft);color:var(--text-2);font-size:13px;
}
.footer-bottom .num{color:var(--text-3);}

/* ============ 动效 ============ */
html.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
html.js .reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .apply-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .page-hero{min-height:260px;padding:40px 0;}
  .hero-lead{font-size:15.5px;}
  .faq-a-inner{padding:0 18px 18px 18px;}
  .faq-q{padding:12px 18px;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .header-actions .btn-solid{display:none;}
  .hero-tags{gap:8px;}
  .badge{font-size:11.5px;padding:4px 11px;}
  .card{padding:20px;}
  .apply-form{padding:20px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-26px;}
  .timeline::before{left:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html.js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}