/* roulang page: index */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text:#F4F1FF;
  --text-2:#B4AEDA;
  --text-3:#7A74A0;
  --success:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --line:rgba(255,255,255,.08);
  --line-top:rgba(255,255,255,.06);
  --grad:linear-gradient(120deg,#6C4BFF,#2FE3C8);
  --grad-neon:linear-gradient(90deg,#FF5FA8,#6C4BFF,#2FE3C8);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35), 0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-cn);background:var(--ink-900);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{background:none;border:0;cursor:pointer;font:inherit;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;}
.svg-defs{position:absolute;width:0;height:0;overflow:hidden;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;line-height:1;white-space:nowrap;transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,color .2s ease,border-color .2s ease,filter .2s ease;}
.btn-primary{height:48px;padding:0 26px;font-size:15px;color:#08070F;background-image:linear-gradient(120deg,#6C4BFF,#2FE3C8);background-size:160% 100%;background-position:0% 50%;}
.btn-primary:hover{transform:translateY(-2px);background-position:22% 50%;box-shadow:0 12px 32px rgba(108,75,255,.45);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-ghost{height:40px;padding:0 20px;font-size:14px;color:var(--aurora);border:1px solid rgba(47,227,200,.45);background:transparent;}
.btn-ghost:hover{background:rgba(47,227,200,.1);border-color:var(--aurora);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-weight:600;font-size:15px;}
.btn-link .arrow{transition:transform .2s ease;}
.btn-link:hover .arrow{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,7,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .25s ease,box-shadow .25s ease;}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-neon);opacity:.9;-webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,1),rgba(0,0,0,.15));mask-image:linear-gradient(90deg,rgba(0,0,0,1),rgba(0,0,0,.15));pointer-events:none;}
.site-header.is-scrolled{background:rgba(10,9,20,.97);box-shadow:var(--shadow-card);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:26px;height:26px;flex:0 0 26px;}
.brand-mark path{fill:url(#brandGrad);}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.3px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap;}
.nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-link{position:relative;display:block;padding:8px 14px;font-size:15px;color:var(--text-2);border-radius:10px;transition:color .2s ease,transform .2s ease;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-neon);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover{color:var(--text);transform:translateY(-1px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{content:"";position:absolute;left:4px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--aurora);box-shadow:0 0 8px var(--aurora);transform:translateY(-50%);}
.header-actions{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
.burger{display:none;position:relative;width:44px;height:44px;flex:0 0 44px;border-radius:12px;border:1px solid var(--line);}
.burger span{display:block;width:18px;height:2px;margin:4px auto;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.drawer-mask{position:fixed;inset:0;z-index:85;background:rgba(4,2,16,.7);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;z-index:90;width:84%;max-width:340px;padding:24px;background:var(--ink-800);border-left:1px solid var(--line);transform:translateX(101%);transition:transform .22s ease;overflow-y:auto;}
.drawer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-neon);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:18px;line-height:1;}
.drawer-list{display:grid;gap:6px;}
.drawer-list a{position:relative;display:block;padding:14px 16px;border-radius:14px;color:var(--text-2);font-size:15px;}
.drawer-list a.is-active{color:#fff;background:var(--ink-700);}
.drawer-list a.is-active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad-neon);}
.drawer-cta{margin-top:24px;display:grid;gap:12px;}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:80px 0 64px;background:radial-gradient(circle at 12% 18%,rgba(108,75,255,.2),transparent 46%),radial-gradient(circle at 88% 6%,rgba(47,227,200,.13),transparent 42%),var(--ink-900);}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:28px 28px;opacity:.55;pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;color:var(--aurora);margin-bottom:18px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad);}
.hero h1{font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:20px;max-width:520px;font-size:18px;line-height:1.7;color:var(--text-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.trust-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(31,27,56,.62);font-size:13px;color:var(--text-2);}
.trust-badge i{width:6px;height:6px;border-radius:50%;background:var(--aurora);box-shadow:0 0 8px var(--aurora);}
.hero-visual{position:relative;}
.hero-frame{position:relative;border-radius:28px;overflow:hidden;border:1px solid rgba(108,75,255,.45);box-shadow:var(--shadow-neon);}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,7,15,.15),rgba(8,7,15,.62)),radial-gradient(circle at 70% 20%,rgba(47,227,200,.16),transparent 55%);pointer-events:none;}
.float-badge{position:absolute;z-index:2;padding:14px 18px;border-radius:18px;background:rgba(16,14,28,.92);border:1px solid var(--line);box-shadow:var(--shadow-card);backdrop-filter:blur(8px);}
.float-badge strong{display:block;font-size:22px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.float-badge span{display:block;margin-top:4px;font-size:12px;color:var(--text-3);}
.float-badge.b1{left:-22px;top:26px;}
.float-badge.b2{right:-18px;bottom:30px;}
.hero-divider{height:1px;background:var(--grad-neon);opacity:.55;-webkit-mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,1),transparent);mask-image:linear-gradient(90deg,transparent,rgba(0,0,0,1),transparent);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:var(--ink-800);}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;color:var(--aurora);margin-bottom:14px;}
.sec-eyebrow::before{content:"";width:24px;height:1px;background:var(--grad);}
.sec-title{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.3px;}
.sec-desc{margin-top:16px;font-size:16px;color:var(--text-2);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head-row .sec-head{margin-bottom:0;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- 痛点卡 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{position:relative;padding:28px 56px 28px 32px;border-radius:20px;background:var(--ink-700);border:1px solid var(--line);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;}
.pain-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--grad-neon);}
.pain-card:hover{transform:translateY(-6px);border-color:rgba(47,227,200,.4);box-shadow:var(--shadow-lift);}
.pain-card h3{font-size:19px;font-weight:600;line-height:1.5;}
.pain-card p{margin-top:10px;font-size:14px;color:var(--text-2);}
.pain-card .arrow{position:absolute;right:26px;top:50%;transform:translateY(-50%);color:var(--aurora);font-size:18px;transition:transform .25s ease;}
.pain-card:hover .arrow{transform:translate(4px,-50%);}

/* ---------- 方案卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.plan-card{display:flex;flex-direction:column;padding:36px;border-radius:24px;background:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;}
.plan-card:hover{transform:translateY(-6px);border-color:rgba(108,75,255,.5);box-shadow:var(--shadow-lift);}
.plan-card.big{grid-column:span 7;grid-row:span 2;background:linear-gradient(160deg,#1B1636,#141126);}
.plan-card.small{grid-column:span 5;}
.plan-num{font-size:44px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.plan-card h3{margin:18px 0 12px;font-size:22px;font-weight:600;}
.plan-card p{font-size:15px;color:var(--text-2);}
.plan-list{display:grid;gap:10px;margin-top:20px;}
.plan-list li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);}
.plan-list li::before{content:"";position:absolute;left:6px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--aurora);}
.plan-foot{margin-top:auto;padding-top:26px;}

/* ---------- 数据徽章 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{position:relative;overflow:hidden;padding:32px 24px;border-radius:20px;background:linear-gradient(180deg,rgba(31,27,56,.92),rgba(16,14,28,.92));border:1px solid var(--line);box-shadow:var(--shadow-card);}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-neon);}
.stat-value{font-size:46px;line-height:1.1;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-value.small{font-size:30px;}
.stat-value span{font-size:16px;font-weight:600;margin-left:4px;}
.stat-label{margin-top:14px;font-size:14px;color:var(--text-2);}

/* ---------- 内容列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{border-radius:24px;background:var(--ink-700);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;}
.news-card:hover{transform:translateY(-6px);border-color:rgba(108,75,255,.5);box-shadow:var(--shadow-lift);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ink-600);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;}
.tag{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);background:var(--ink-600);color:var(--aurora);font-size:12px;}
.news-title{margin-top:14px;font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:71px;}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}
.news-foot time{color:var(--gold);font-variant-numeric:tabular-nums;}
.news-foot .arrow{color:var(--aurora);transition:transform .25s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.empty-state{grid-column:1/-1;padding:64px 24px;text-align:center;border-radius:24px;border:1px dashed var(--line);background:rgba(23,20,43,.6);}
.empty-dust{width:72px;height:72px;margin:0 auto 20px;border-radius:50%;background:radial-gradient(circle at 35% 32%,rgba(108,75,255,.55),transparent 60%),radial-gradient(circle at 68% 66%,rgba(47,227,200,.45),transparent 58%),var(--ink-600);box-shadow:inset 0 0 0 1px var(--line);}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ---------- 支持条 ---------- */
.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.support-card{padding:30px;border-radius:20px;background:var(--ink-700);border:1px solid var(--line);transition:transform .28s ease,border-color .28s ease;}
.support-card:hover{transform:translateY(-6px);border-color:rgba(47,227,200,.4);}
.support-card .dot{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:rgba(108,75,255,.18);border:1px solid rgba(108,75,255,.4);color:var(--aurora);font-size:14px;font-weight:700;}
.support-card h3{margin:18px 0 10px;font-size:19px;font-weight:600;}
.support-card p{font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:16px;max-width:920px;}
.faq-item{position:relative;overflow:hidden;border-radius:16px;background:var(--ink-700);border:1px solid var(--line);transition:background .25s ease,border-color .25s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad-neon);opacity:0;transition:opacity .25s ease;}
.faq-item:hover{border-color:rgba(47,227,200,.35);}
.faq-item.is-open{background:var(--ink-600);}
.faq-item.is-open::before{opacity:1;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;border-radius:2px;background:var(--aurora);transform:translate(-50%,-50%);transition:transform .3s ease;}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-card{position:relative;overflow:hidden;padding:56px 48px;border-radius:28px;background:linear-gradient(140deg,#1A1536,#100E1C 62%);box-shadow:var(--shadow-lift);}
.cta-card::before{content:"";position:absolute;inset:0;border-radius:28px;padding:1px;background:var(--grad-neon);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none;}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{font-size:32px;line-height:1.3;font-weight:700;}
.cta-inner p{margin-top:14px;max-width:560px;font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 弹层表单 ---------- */
.modal{position:fixed;inset:0;z-index:95;display:none;}
.modal.is-open{display:flex;align-items:flex-start;justify-content:center;overflow-y:auto;padding:6vh 20px;}
.modal-mask{position:fixed;inset:0;background:rgba(4,2,16,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);}
.modal-dialog{position:relative;width:560px;max-width:100%;padding:32px;border-radius:28px;background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-lift);}
.modal-dialog h3{font-size:22px;font-weight:700;}
.modal-dialog > p{margin-top:10px;font-size:14px;color:var(--text-2);}
.modal-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:18px;line-height:1;}
.modal-close:hover{color:var(--text);border-color:var(--aurora);}
.modal-form{margin-top:26px;}
.field{margin-bottom:18px;}
.field label{display:block;margin-bottom:8px;font-size:14px;color:var(--text-2);}
.field input,.field select,.field textarea{width:100%;padding:0 14px;height:48px;border-radius:var(--r-sm);background:var(--ink-700);border:1px solid var(--line);transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:auto;padding:12px 14px;min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15);}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#2FE3C8;flex:0 0 18px;}
.check-row label{font-size:13px;color:var(--text-2);line-height:1.6;}
.privacy-note{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.7;}
.form-status{margin-top:14px;font-size:13px;color:var(--success);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;padding:72px 0 0;background:var(--ink-900);}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-neon);opacity:.6;}
.site-footer::after{content:"";position:absolute;inset:0 0 auto 0;height:220px;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:26px 26px;opacity:.5;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:24px;height:24px;flex:0 0 24px;}
.footer-brand span{font-size:17px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-about{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8;}
.footer-title{margin-bottom:18px;font-size:14px;font-weight:600;color:var(--text);}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--aurora);}
.footer-links li span{font-size:14px;color:var(--text-2);}
.footer-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:56px;padding:24px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  .header-inner{gap:14px;}
}
@media (max-width:1023px){
  .nav,.header-actions{display:none;}
  .burger{display:block;}
  .hero{padding:56px 0 48px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .hero-sub{font-size:17px;max-width:none;}
  .float-badge.b1{left:12px;top:16px;}
  .float-badge.b2{right:12px;bottom:16px;}
  .section{padding:72px 0;}
  .sec-title{font-size:28px;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card.big,.plan-card.small{grid-column:auto;grid-row:auto;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .support-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cta-card{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .brand-name{font-size:16px;}
  .hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .trust-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-top:26px;}
  .trust-badge{flex:0 0 auto;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .sec-title{font-size:24px;}
  .sec-head-row{flex-direction:column;align-items:flex-start;}
  .stat-value{font-size:38px;}
  .stat-value.small{font-size:24px;}
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a p{padding:0 20px 18px;}
  .modal.is-open{align-items:flex-end;padding:0;}
  .modal-dialog{width:100%;border-radius:28px 28px 0 0;max-height:92vh;overflow-y:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .section{padding:48px 0;}
  .hero{padding:44px 0 40px;}
  .hero h1{font-size:27px;}
  .sec-title{font-size:22px;}
  .plan-card{padding:26px;}
  .stat-value{font-size:32px;}
  .stat-value.small{font-size:21px;}
  .cta-card{padding:32px 22px;}
  .cta-inner h2{font-size:24px;}
}

/* roulang page: article */
/* ============================================================
   星空官方登录入口 · 全站视觉系统
   设计令牌 → 基础层 → 布局层 → 组件层 → 页面层 → 响应式
   ============================================================ */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --line:rgba(255,255,255,.08);
  --highlight:rgba(255,255,255,.06);
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text:#F4F1FF;
  --text-2:#B4AEDA;
  --text-3:#7A74A0;
  --success:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --grad:linear-gradient(120deg,#6C4BFF 0%,#2FE3C8 100%);
  --grad-line:linear-gradient(90deg,#FF5FA8 0%,#6C4BFF 52%,#2FE3C8 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55),inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35),0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:8px;}
::selection{background:rgba(108,75,255,.45);color:#fff;}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.divider-neon{height:1px;border:0;margin:0;background:var(--grad-line);opacity:.55;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(8,7,15,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(255,95,168,.85) 0%,rgba(108,75,255,.6) 42%,rgba(47,227,200,.06) 100%);
}
.site-header.is-scrolled{background:rgba(8,7,15,.96);box-shadow:var(--shadow-card);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:22px;height:22px;flex:0 0 auto;filter:drop-shadow(0 0 10px rgba(47,227,200,.5));}
.brand-mark path{fill:#2FE3C8;}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;
  background:linear-gradient(120deg,#B9ACFF 0%,#2FE3C8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nav{margin:0 auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);transition:color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-line);opacity:0;transform:scaleX(.4);transition:.24s var(--ease);
}
.nav-link:hover{color:var(--text);transform:translateY(-1px);}
.nav-link:hover::after{opacity:.9;transform:scaleX(1);}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45);}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--aurora);
  box-shadow:0 0 10px rgba(47,227,200,.85);margin-right:8px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid var(--line);border-radius:12px;cursor:pointer;
  transition:.22s var(--ease);
}
.nav-toggle:hover{border-color:rgba(47,227,200,.5);background:var(--ink-600);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border:0;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .3s var(--ease),filter .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  height:48px;padding:0 28px;border-radius:999px;color:#07061A;
  background-image:linear-gradient(120deg,#6C4BFF 0%,#2FE3C8 100%);
  background-size:170% 100%;background-position:0 0;box-shadow:var(--shadow-neon);
}
.btn-primary:hover{
  background-position:22% 0;filter:brightness(1.08);transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(108,75,255,.55),0 18px 48px rgba(108,75,255,.4);
}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 12px rgba(0,0,0,.35);}
.btn-ghost{
  height:40px;padding:0 22px;border-radius:999px;color:var(--aurora);
  background:transparent;border:1px solid rgba(47,227,200,.42);
}
.btn-ghost:hover{border-color:var(--aurora);background:rgba(47,227,200,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;border-radius:999px;}
.btn--mini{height:32px;padding:0 16px;font-size:13px;border-radius:999px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--aurora);
  font-size:14px;font-weight:600;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text svg{width:16px;height:16px;transition:transform .22s var(--ease);}
.btn-text:hover svg{transform:translateX(4px);}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ---------- 徽章 / 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;background:var(--ink-600);
  color:var(--aurora);font-size:13px;font-weight:600;letter-spacing:.2px;
}
.pill--gold{color:var(--gold);}
.pill--pink{color:var(--pink);}
.badge-status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;}
.badge-status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.badge-status.is-ok{color:var(--success);}
.badge-status.is-warn{color:var(--warn);}
.badge-status.is-note{color:var(--danger);}

/* ---------- 内页 Hero / 面包屑 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;
  -webkit-mask-image:radial-gradient(ellipse at 24% 0%,#000 0%,transparent 62%);
  mask-image:radial-gradient(ellipse at 24% 0%,#000 0%,transparent 62%);
}
.page-hero::after{
  content:"";position:absolute;top:-180px;left:-80px;width:520px;height:420px;
  background:radial-gradient(circle,rgba(108,75,255,.22),transparent 68%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:8px;
  padding:26px 0 6px;font-size:13px;color:var(--text-3);
  white-space:nowrap;overflow:hidden;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--aurora);}
.breadcrumb .sep{opacity:.45;}
.breadcrumb .current{
  color:var(--text-2);overflow:hidden;text-overflow:ellipsis;max-width:52vw;
}

/* ---------- 文章主体 ---------- */
.article-layout{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);
  gap:48px;padding:14px 0 96px;
}
.article-main{min-width:0;}
.article-head{padding:12px 0 26px;border-bottom:1px solid var(--line);}
.article-head .head-line{
  display:block;width:48px;height:3px;border-radius:3px;background:var(--grad-line);margin-bottom:18px;
}
.article-head h1{
  font-size:clamp(26px,3.1vw,40px);line-height:1.3;font-weight:800;letter-spacing:-.4px;
  margin:16px 0 18px;color:#fff;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.article-meta .dot{opacity:.4;}
.article-meta .meta-num{color:var(--gold);font-weight:600;}

.cms-article-body{
  max-width:800px;padding-top:34px;
  font-size:17px;line-height:1.9;color:#E7E3FF;
}
.cms-article-body > *:first-child{margin-top:0;}
.cms-article-body p{margin:0 0 18px;}
.cms-article-body h2{
  position:relative;margin:40px 0 16px;padding-left:16px;
  font-size:26px;line-height:1.4;font-weight:700;color:#fff;
}
.cms-article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad-line);
}
.cms-article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.5;font-weight:600;color:#fff;}
.cms-article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--text-2);}
.cms-article-body blockquote{
  margin:24px 0;padding:16px 22px;border-radius:0 16px 16px 0;
  border-left:3px solid var(--nebula);
  background:linear-gradient(90deg,rgba(108,75,255,.16),rgba(31,27,56,.5));
  color:var(--text-2);font-style:normal;
}
.cms-article-body ul,.cms-article-body ol{margin:0 0 18px;padding-left:20px;}
.cms-article-body li{position:relative;margin-bottom:9px;}
.cms-article-body ul > li{padding-left:16px;}
.cms-article-body ul > li::before{
  content:"";position:absolute;left:0;top:.76em;width:6px;height:6px;border-radius:50%;
  background:var(--aurora);box-shadow:0 0 8px rgba(47,227,200,.6);
}
.cms-article-body ol{list-style:decimal;}
.cms-article-body ol > li{padding-left:4px;}
.cms-article-body ol > li::marker{color:var(--aurora);font-weight:700;}
.cms-article-body a{color:var(--aurora);border-bottom:1px dashed rgba(47,227,200,.45);}
.cms-article-body a:hover{color:#8BFFEC;border-bottom-color:#8BFFEC;}
.cms-article-body strong{color:#fff;font-weight:700;}
.cms-article-body img{
  margin:26px auto;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.cms-article-body figure{margin:26px 0;}
.cms-article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);}
.cms-article-body code{
  padding:2px 7px;border-radius:6px;background:#0C0A18;border:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:15px;color:var(--gold);
}
.cms-article-body pre{
  margin:22px 0;padding:18px 20px;border-radius:14px;background:#0C0A18;
  border:1px solid var(--line);overflow-x:auto;
}
.cms-article-body pre code{padding:0;border:0;background:none;color:#D6D0FF;font-size:14px;line-height:1.75;}
.cms-article-body table{
  width:100%;margin:24px 0;border-collapse:separate;border-spacing:0;
  border:1px solid rgba(108,75,255,.5);border-radius:14px;overflow:hidden;font-size:15px;
}
.cms-article-body thead th{
  background:var(--ink-600);color:#fff;font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid rgba(108,75,255,.5);
}
.cms-article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line);}
.cms-article-body tbody tr:nth-child(odd) td{background:var(--ink-700);}
.cms-article-body tbody tr:nth-child(even) td{background:var(--ink-800);}
.cms-article-body tbody tr:last-child td{border-bottom:0;}
.cms-article-body hr{margin:34px 0;border:0;height:1px;background:var(--line);}

.cms-empty{
  margin-top:34px;padding:56px 28px;text-align:center;
  background:var(--ink-800);border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.cms-empty .dust{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,75,255,.35),transparent 68%);
  position:relative;
}
.cms-empty .dust::after{
  content:"";position:absolute;inset:18px;border-radius:50%;
  background:linear-gradient(120deg,#6C4BFF,#2FE3C8);opacity:.55;
  filter:blur(6px);
}
.cms-empty p{color:var(--text-2);margin-bottom:20px;}

/* ---------- 文末延伸 ---------- */
.article-foot{margin-top:52px;max-width:800px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.tag{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--ink-700);color:var(--text-2);font-size:13px;transition:.22s var(--ease);
}
.tag:hover{color:var(--aurora);border-color:rgba(47,227,200,.45);}
.related-block{padding-top:30px;border-top:1px solid var(--line);}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
.block-head h2{font-size:24px;font-weight:700;color:#fff;line-height:1.35;}
.block-head .sub{font-size:13px;color:var(--text-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card::after{
  content:"";position:absolute;top:14px;right:14px;width:6px;height:6px;border-radius:50%;
  background:rgba(255,255,255,.22);transition:.28s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:rgba(47,227,200,.45);}
.card:hover::after{background:var(--aurora);box-shadow:0 0 12px rgba(47,227,200,.9);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:16px;font-weight:600;line-height:1.5;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .excerpt{
  font-size:13.5px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.card-foot .time{color:var(--gold);}
.back-row{margin-top:34px;}

/* ---------- 侧栏 ---------- */
.article-aside{
  align-self:start;position:sticky;top:96px;display:grid;gap:20px;min-width:0;
}
.aside-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);
}
.aside-title{
  display:flex;align-items:center;gap:9px;
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.aside-title::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad-line);}
.aside-desc{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:16px;}
.aside-phone{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--ink-800);border:1px solid var(--line);margin-bottom:14px;
}
.aside-phone .label{font-size:12.5px;color:var(--text-3);}
.aside-phone .value{font-size:18px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;}
.hot-list li{border-bottom:1px solid var(--line);padding:11px 0;}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list a{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.6;}
.hot-list a:hover{color:var(--aurora);}
.hot-list .rank{
  flex:0 0 auto;font-size:17px;font-weight:800;line-height:1.4;
  background:linear-gradient(120deg,#B9ACFF,#2FE3C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.notice-card{
  background:linear-gradient(150deg,rgba(108,75,255,.18),rgba(16,14,28,.9));
  border:1px solid rgba(108,75,255,.32);border-radius:var(--radius-md);padding:22px;
}
.notice-card h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:8px;}
.notice-card p{font-size:13.5px;color:var(--text-2);line-height:1.8;}
.notice-card .stamp{display:block;margin-top:12px;font-size:12.5px;color:var(--gold);font-variant-numeric:tabular-nums;}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;border-radius:var(--radius-xl);padding:44px 46px;
  background:linear-gradient(120deg,rgba(108,75,255,.2),rgba(47,227,200,.08) 55%,rgba(16,14,28,.95)),var(--ink-800);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad-line);opacity:.62;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.cta-card h2{font-size:28px;font-weight:800;line-height:1.35;color:#fff;margin-bottom:10px;}
.cta-card p{font-size:15px;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink-800);padding:64px 0 0;margin-top:0;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(108,75,255,.75),rgba(47,227,200,.55),transparent);
}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;opacity:.5;
  -webkit-mask-image:radial-gradient(ellipse at 80% 0%,#000 0%,transparent 55%);
  mask-image:radial-gradient(ellipse at 80% 0%,#000 0%,transparent 55%);
}
.footer-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:44px;
  padding-bottom:42px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:20px;height:20px;}
.footer-about{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a,.footer-links span{font-size:14px;color:var(--text-2);line-height:1.7;}
.footer-links a:hover{color:var(--aurora);}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;z-index:120;
  background:var(--ink-800);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .22s var(--ease);
  display:flex;flex-direction:column;padding:0 22px 26px;overflow-y:auto;
}
.drawer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-line);opacity:.8;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;background:var(--ink-700);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:#fff;border-color:rgba(47,227,200,.5);}
.drawer-list{margin-top:10px;}
.drawer-list li{margin-bottom:6px;}
.drawer-list a{
  display:block;padding:13px 14px;border-radius:12px;
  border-left:3px solid transparent;color:var(--text-2);font-size:15px;
}
.drawer-list a:hover{background:var(--ink-700);color:#fff;}
.drawer-list a.is-active{
  color:#fff;border-left-color:var(--aurora);background:var(--ink-700);
}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px;}
.drawer-foot .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(4,2,16,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:.24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 表单弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:24px;background:rgba(4,2,16,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:.24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  width:100%;max-width:560px;border-radius:var(--radius-xl);
  background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-lift);
  padding:30px;position:relative;transform:translateY(14px) scale(.98);transition:.26s var(--ease);
  max-height:88vh;overflow-y:auto;
}
.modal-mask.is-open .modal{transform:translateY(0) scale(1);}
.modal h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:8px;}
.modal .modal-sub{font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.modal-close{
  position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:12px;
  background:var(--ink-700);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;font-size:17px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{color:#fff;border-color:rgba(47,227,200,.5);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);
  background:var(--ink-700);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15);outline:none;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#B4AEDA 50%),linear-gradient(135deg,#B4AEDA 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;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-3);line-height:1.7;margin-bottom:20px;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:#2FE3C8;flex:0 0 auto;}
.modal .btn{width:100%;}
.privacy-note{font-size:13px;color:var(--text-3);line-height:1.75;margin-top:14px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .article-layout{gap:36px;}
}
@media (max-width:1023px){
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-bottom:72px;}
  .article-aside{position:static;top:auto;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-card{padding:36px 32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .brand-text{font-size:15px;}
  .header-actions .btn-ghost{display:none;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .breadcrumb{padding-top:18px;}
  .breadcrumb .current{max-width:46vw;}
  .article-head h1{font-size:28px;}
  .cms-article-body{font-size:16.5px;line-height:1.85;padding-top:26px;}
  .cms-article-body h2{font-size:22px;margin-top:32px;}
  .cms-article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-aside{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding-bottom:56px;}
  .cta-card{padding:28px 22px;border-radius:22px;}
  .cta-card h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .modal{padding:24px 20px;max-height:92vh;}
  .modal-mask{padding:0;align-items:flex-end;}
  .modal{max-width:100%;border-radius:24px 24px 0 0;}
}
@media (max-width:479px){
  .brand-text{font-size:14px;}
  .article-head h1{font-size:25px;}
  .block-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .card-body{padding:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text:#F4F1FF;
  --text-2:#B4AEDA;
  --text-3:#7A74A0;
  --ok:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --grad:linear-gradient(120deg,#6C4BFF,#2FE3C8);
  --grad-neon:linear-gradient(90deg,#FF5FA8,#6C4BFF,#2FE3C8);
  --grad-brand:linear-gradient(100deg,#A794FF,#2FE3C8);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35), 0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --container:1200px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, "Segoe UI", Roboto, sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
::selection{background:rgba(108,75,255,.45);color:#fff}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--ink-800)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--ink-600);border:1px solid var(--line);
  color:var(--aurora);font-size:13px;letter-spacing:.4px;
}
.section-head{max-width:760px}
.section-head.center{margin:0 auto;text-align:center}
.section-head h2{
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.4px;margin-top:18px;
}
.section-head .section-sub{
  margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.8;
}
.grad-text{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.divider{height:1px;background:linear-gradient(90deg,rgba(255,95,168,.55),rgba(108,75,255,.35),rgba(47,227,200,0));border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--r-pill);border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background-position .35s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  height:48px;padding:0 26px;color:#070613;
  background:var(--grad);background-size:180% 100%;background-position:0 0;
  box-shadow:var(--shadow-neon);
}
.btn-primary:hover{transform:translateY(-2px);background-position:20% 0;filter:brightness(1.07);box-shadow:0 0 0 1px rgba(108,75,255,.5),0 18px 50px rgba(108,75,255,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(4,2,16,.5),0 0 0 1px rgba(108,75,255,.35)}
.btn-ghost{
  height:40px;padding:0 20px;border-color:var(--line-strong);color:var(--aurora);background:transparent;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(47,227,200,.6);box-shadow:0 10px 30px rgba(47,227,200,.16);color:#CFFBF3}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-weight:600;font-size:15px;
}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:var(--ink-600);color:var(--aurora);border:1px solid var(--line);
}
.badge-gold{color:var(--gold);background:rgba(255,203,107,.1);border-color:rgba(255,203,107,.28)}
.badge-pink{color:var(--pink);background:rgba(255,95,168,.1);border-color:rgba(255,95,168,.28)}
.badge-danger{color:var(--danger);background:rgba(255,107,107,.1);border-color:rgba(255,107,107,.28)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,7,15,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-neon);opacity:.6;
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.95),rgba(0,0,0,.2) 55%,transparent);
  mask-image:linear-gradient(90deg,rgba(0,0,0,.95),rgba(0,0,0,.2) 55%,transparent);
}
.site-header.is-scrolled{background:rgba(10,9,20,.96);box-shadow:var(--shadow-card)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.2px;flex:none}
.brand-mark{width:22px;height:22px;fill:var(--aurora);flex:none;filter:drop-shadow(0 0 8px rgba(47,227,200,.5))}
.brand-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{margin-left:8px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);transition:color .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-neon);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:#fff;transform:translateY(-1px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;left:4px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;
  background:var(--aurora);box-shadow:0 0 8px rgba(47,227,200,.85);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  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)}
.nav-toggle:hover{border-color:rgba(47,227,200,.55)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none}
.drawer.is-open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(4,2,16,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:var(--ink-800);border-left:1px solid var(--line);
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);transition:transform .22s ease;box-shadow:var(--shadow-lift);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-neon)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-top:6px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line-strong);font-size:20px;line-height:1;color:var(--text-2)}
.drawer-close:hover{color:#fff;border-color:rgba(47,227,200,.55)}
.drawer-list{display:flex;flex-direction:column;gap:4px}
.drawer-link{
  display:block;padding:14px 14px;border-radius:14px;color:var(--text-2);font-size:16px;
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-link:hover{background:var(--ink-700);color:#fff}
.drawer-link.is-active{background:var(--ink-700);color:#fff;border-left-color:var(--aurora)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero-compact{padding:72px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:30px 30px;
  -webkit-mask-image:radial-gradient(70% 70% at 50% 20%,rgba(0,0,0,.9),transparent 75%);
  mask-image:radial-gradient(70% 70% at 50% 20%,rgba(0,0,0,.9),transparent 75%);
}
.hero::after{
  content:"";position:absolute;left:50%;top:-220px;width:760px;height:520px;transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(108,75,255,.24),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero h1{
  font-size:48px;line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-top:20px;
}
.hero-sub{margin-top:18px;color:var(--text-2);font-size:17px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.trust-row{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px;
}
.trust-row li{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--ink-700);border:1px solid var(--line);color:var(--text-2);font-size:13.5px;
}
.trust-row li i{width:7px;height:7px;border-radius:50%;background:var(--aurora);box-shadow:0 0 8px rgba(47,227,200,.8)}
.wide-band{
  position:relative;margin-top:52px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(108,75,255,.3);aspect-ratio:21/9;box-shadow:var(--shadow-card);
}
.wide-band img{width:100%;height:100%;object-fit:cover}
.wide-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,7,15,.25),rgba(8,7,15,.72)),
             radial-gradient(60% 60% at 50% 35%,rgba(255,255,255,.05),transparent 70%);
}
.wide-band figcaption{
  position:absolute;left:24px;bottom:20px;z-index:3;color:var(--text-2);font-size:13px;
}

/* ---------- 时间轴步骤 ---------- */
.timeline{position:relative;margin-top:48px;padding-left:72px;display:flex;flex-direction:column;gap:22px}
.timeline::before{
  content:"";position:absolute;left:27px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#FF5FA8,#6C4BFF,#2FE3C8);opacity:.75;
}
.tl-item{position:relative}
.tl-num{
  position:absolute;left:-72px;top:0;width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;font-variant-numeric:tabular-nums;
  color:#EDE9FF;background:var(--ink-700);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.tl-num span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tl-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tl-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-neon);opacity:.85;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(108,75,255,.42);box-shadow:var(--shadow-lift)}
.tl-card h3{font-size:20px;font-weight:600;line-height:1.4}
.tl-card p{margin-top:10px;color:var(--text-2);font-size:15.5px;line-height:1.8}
.tl-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(47,227,200,.08);border:1px solid rgba(47,227,200,.25);color:var(--aurora);font-size:13px;
}

/* ---------- 卡片通用 ---------- */
.card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-card);position:relative;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent);
}
.card:hover{transform:translateY(-6px);border-color:rgba(108,75,255,.45);box-shadow:var(--shadow-lift)}
.card h3{font-size:20px;font-weight:600;line-height:1.4}
.card p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8}

.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.check-card{padding:26px 24px}
.check-card .idx{
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--gold);font-variant-numeric:tabular-nums;
}
.check-card h3{margin-top:14px;font-size:18px}
.check-card p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.check-card ul{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.check-card li{position:relative;padding-left:16px;color:var(--text-2);font-size:13.5px;line-height:1.7}
.check-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--aurora)}

/* ---------- 提示条 ---------- */
.tips{display:flex;flex-direction:column;gap:16px;margin-top:36px;max-width:900px}
.tip{
  display:flex;gap:18px;align-items:flex-start;padding:20px 22px;border-radius:16px;
  background:var(--ink-800);border-left:4px solid var(--warn);border-top:1px solid var(--line);
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tip-ok{border-left-color:var(--ok)}
.tip-danger{border-left-color:var(--danger)}
.tip strong{display:block;font-size:16px;font-weight:600}
.tip p{margin-top:6px;color:var(--text-2);font-size:14.5px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;margin-top:40px;max-width:900px;margin-left:auto;margin-right:auto}
.faq-item{
  position:relative;background:var(--ink-700);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:background .25s ease,border-color .25s ease;
}
.faq-item.is-open{background:var(--ink-600);border-color:rgba(108,75,255,.42)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-neon);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:#fff}
.faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--aurora);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:transform .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- 相关分类 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.cat-card{overflow:hidden;padding:0}
.cat-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.cat-card:hover .thumb img{transform:scale(1.04)}
.cat-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,7,15,.1),rgba(8,7,15,.72))}
.cat-card .body{padding:24px 26px 28px}
.cat-card h3{font-size:20px}
.cat-card p{font-size:14.5px}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:72px;border-radius:var(--r-xl);padding:48px;
  background:linear-gradient(140deg,rgba(108,75,255,.2),rgba(47,227,200,.08)),var(--ink-700);
  border:1px solid rgba(108,75,255,.35);box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 表单弹层 ---------- */
.modal{position:fixed;inset:0;z-index:140;display:none}
.modal.is-open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(4,2,16,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;z-index:2;width:min(560px,92vw);margin:6vh auto 0;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--shadow-lift);
  max-height:88vh;overflow:auto;
}
.modal-panel h2{font-size:24px;font-weight:700}
.modal-sub{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.75}
.modal-close{
  position:absolute;right:18px;top:18px;width:36px;height:36px;border-radius:12px;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:18px;line-height:1;
}
.modal-close:hover{color:#fff;border-color:rgba(47,227,200,.55)}
.form{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--text-2)}
.field input,.field select,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--r-sm);
  background:var(--ink-700);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-3);line-height:1.7}
.check-line input{width:16px;height:16px;margin-top:3px;accent-color:#2FE3C8}
.form-note{font-size:13px;color:var(--text-3);line-height:1.7}
.form-ok{
  display:none;margin-top:6px;padding:12px 14px;border-radius:12px;font-size:14px;
  background:rgba(61,220,151,.1);border-left:4px solid var(--ok);color:#CBF7E3;
}
.form-ok.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:var(--ink-800);padding:64px 0 28px;margin-top:0;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-neon);opacity:.55}
.site-footer::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(60% 60% at 80% 100%,rgba(0,0,0,.9),transparent 75%);
  mask-image:radial-gradient(60% 60% at 80% 100%,rgba(0,0,0,.9),transparent 75%);
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.footer-about{margin-top:16px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.3px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links span{color:var(--text-2);font-size:14px;line-height:1.7}
.footer-links a{transition:color .2s ease}
.footer-links a:hover{color:var(--aurora)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:44px}
}
@media (max-width:1023px){
  .nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .hero-compact{padding:56px 0 52px}
  .hero h1{font-size:36px}
  .section{padding:72px 0}
  .section-head h2{font-size:30px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .wide-band{aspect-ratio:16/9}
  .cta-band{padding:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .brand{font-size:16px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta{gap:12px}
  .hero-cta .btn{width:100%}
  .trust-row{gap:10px}
  .timeline{padding-left:0;gap:18px}
  .timeline::before{display:none}
  .tl-num{position:static;width:44px;height:44px;border-radius:14px;margin-bottom:12px;font-size:16px}
  .cat-grid{grid-template-columns:1fr}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .modal-panel{width:100%;max-width:100%;margin:0;border-radius:24px 24px 0 0;position:absolute;bottom:0;left:0;padding:26px 22px 32px;max-height:92vh}
  .modal-panel{top:auto}
  .modal{display:none}
  .modal.is-open{display:block}
}
@media (max-width:559px){
  .section{padding:56px 0}
  .check-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .hero h1{font-size:28px;letter-spacing:-.3px}
  .footer-grid{grid-template-columns:1fr}
  .card{padding:22px;border-radius:var(--r-md)}
  .tl-card{padding:20px 20px 22px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{padding:0 18px 18px}
  .wide-band{margin-top:36px}
}

/* roulang page: category2 */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --line:rgba(255,255,255,.08);
  --inner-light:rgba(255,255,255,.06);
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text-main:#F4F1FF;
  --text-sub:#B4AEDA;
  --text-weak:#7A74A0;
  --ok:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --grad-main:linear-gradient(120deg,#6C4BFF,#2FE3C8);
  --grad-neon:linear-gradient(90deg,#FF5FA8,#6C4BFF,#2FE3C8);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55),inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35),0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-main);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--aurora);text-transform:uppercase}
.num{font-variant-numeric:tabular-nums}
.grad-text{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,7,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(255,95,168,.85),rgba(108,75,255,.5),rgba(47,227,200,.05));
}
.site-header.is-scrolled{background:rgba(8,7,15,.96);box-shadow:var(--shadow-card)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.brand-mark{width:22px;height:22px;fill:url(#starGrad);flex:0 0 auto}
.brand span{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:block}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--text-sub);transition:color .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-neon);opacity:0;transform:scaleX(.4);transition:opacity .2s ease,transform .2s ease;
}
.nav-link:hover{color:var(--text-main);transform:translateY(-1px)}
.nav-link:hover::after{opacity:.7;transform:scaleX(1)}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45)}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-link.is-active::before{
  content:"";position:absolute;left:2px;top:50%;width:5px;height:5px;border-radius:50%;
  background:var(--aurora);transform:translateY(-50%);box-shadow:0 0 8px rgba(47,227,200,.8);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,opacity .2s ease;
}
.btn-primary{
  height:48px;padding:0 26px;color:#0A0918;
  background:var(--grad-main);background-size:160% 100%;background-position:0 0;
  box-shadow:0 10px 30px rgba(108,75,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);background-position:20% 0;box-shadow:0 16px 44px rgba(47,227,200,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(4,2,16,.4)}
.btn-ghost{
  height:40px;padding:0 20px;color:var(--aurora);border:1px solid rgba(47,227,200,.45);background:transparent;font-size:14px;
}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(47,227,200,.18);border-color:var(--aurora)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-size:15px;font-weight:600}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(4px)}
.btn-sm{height:32px;padding:0 14px;font-size:13px;border-radius:999px;border:1px solid var(--line);color:var(--text-sub)}
.btn-sm:hover{color:var(--text-main);border-color:rgba(47,227,200,.4)}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center}
.burger span{display:block;width:18px;height:2px;background:var(--text-main);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-main);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,2,16,.72);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:70;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;z-index:80;
  background:var(--ink-800);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .22s ease;
  display:flex;flex-direction:column;padding:24px 20px;
}
.drawer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-neon)}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--text-sub)}
.drawer-list{margin-top:22px;display:flex;flex-direction:column;gap:4px}
.drawer-list a{display:block;padding:12px 14px;border-radius:12px;color:var(--text-sub);border-left:3px solid transparent;transition:.2s ease}
.drawer-list a:hover{background:var(--ink-700);color:var(--text-main)}
.drawer-list a.is-active{color:#fff;background:var(--ink-700);border-left-color:var(--aurora)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.drawer-cta .btn-primary{width:100%}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(108,75,255,.22),transparent 62%),
    radial-gradient(700px 360px at 88% 12%,rgba(47,227,200,.14),transparent 60%),
    linear-gradient(180deg,var(--ink-900),var(--ink-800));
}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-neon);opacity:.5}
.cat-hero .crumbs{font-size:13px;color:var(--text-weak);margin-bottom:18px}
.cat-hero .crumbs a:hover{color:var(--aurora)}
.cat-hero .crumbs span{margin:0 8px;color:var(--text-weak)}
.cat-hero h1{font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.5px;max-width:900px}
.cat-hero p.lead{margin-top:18px;font-size:17px;color:var(--text-sub);max-width:720px}
.hero-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--ink-600);color:var(--aurora);font-size:13px}
.hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-strip{
  margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.strip-item{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:var(--radius-md);
  background:var(--ink-700);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--inner-light);
}
.strip-item svg{width:22px;height:22px;flex:0 0 auto;stroke:var(--aurora);fill:none;stroke-width:1.5}
.strip-item b{display:block;font-size:15px;font-weight:700}
.strip-item small{color:var(--text-weak);font-size:13px}

/* ---------- wide band ---------- */
.wide-band{position:relative}
.wide-band .band-img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line)}
.band-overlay{
  position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(90deg,rgba(8,7,15,.86),rgba(8,7,15,.32) 55%,rgba(108,75,255,.24));
}
.band-caption{
  position:absolute;left:32px;bottom:28px;right:32px;max-width:640px;
}
.band-caption h2{font-size:28px;font-weight:700;line-height:1.35}
.band-caption p{margin-top:8px;color:var(--text-sub);font-size:15px}

/* ---------- zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:64px;margin-top:8px}
.zig{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.zig:nth-child(even) .zig-media{order:2}
.zig-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.zig-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.zig-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(108,75,255,.34),rgba(8,7,15,.12))}
.zig-badge{
  position:absolute;left:18px;top:18px;z-index:2;padding:6px 14px;border-radius:999px;
  background:rgba(8,7,15,.72);border:1px solid rgba(47,227,200,.4);color:var(--aurora);font-size:13px;
}
.zig-no{
  font-size:44px;font-weight:800;line-height:1;letter-spacing:-1px;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.zig h2{font-size:32px;font-weight:700;line-height:1.3;margin-top:10px}
.zig p{margin-top:14px;color:var(--text-sub)}
.zig ul{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.zig li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-main)}
.zig li::before{
  content:"";width:6px;height:6px;border-radius:50%;margin-top:10px;flex:0 0 auto;
  background:var(--aurora);box-shadow:0 0 8px rgba(47,227,200,.7);
}
.zig-actions{margin-top:24px}

/* ---------- check list ---------- */
.check-wrap{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-card{
  padding:26px 24px;border-radius:var(--radius-lg);background:var(--ink-700);
  border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--inner-light);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-neon);border-color:rgba(47,227,200,.35)}
.check-card h3{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px}
.check-card h3 i{
  width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,227,200,.14);color:var(--aurora);font-style:normal;font-size:13px;border:1px solid rgba(47,227,200,.4);
}
.check-card p{margin-top:12px;font-size:14px;color:var(--text-sub)}
.check-card .state{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.state-badge{padding:4px 12px;border-radius:999px;font-size:12px;border:1px solid var(--line);color:var(--text-sub)}
.state-badge.ok{color:var(--ok);border-color:rgba(61,220,151,.4)}
.state-badge.mid{color:var(--gold);border-color:rgba(255,203,107,.4)}
.state-badge.risk{color:var(--danger);border-color:rgba(255,107,107,.42)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.stat{
  position:relative;padding:28px 22px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,var(--ink-700),var(--ink-800));
  border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--inner-light);overflow:hidden;
}
.stat::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-neon);opacity:.85}
.stat b{
  display:block;font-size:48px;font-weight:800;line-height:1;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat b small{font-size:16px;font-weight:600;margin-left:4px}
.stat span{display:block;margin-top:12px;font-size:14px;color:var(--text-sub)}
.stat em{display:block;margin-top:6px;font-size:12px;color:var(--text-weak);font-style:normal}

/* ---------- faq ---------- */
.faq{margin-top:36px;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:16px;background:var(--ink-700);border:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.faq-item.is-open{background:var(--ink-600);border-color:rgba(47,227,200,.3);position:relative}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-neon)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:18px;font-weight:600;
}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--aurora);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 22px;color:var(--text-sub);font-size:15px}

/* ---------- cta ---------- */
.cta-card{
  position:relative;border-radius:var(--radius-xl);padding:52px 48px;
  background:
    radial-gradient(600px 260px at 12% 10%,rgba(108,75,255,.28),transparent 60%),
    radial-gradient(520px 240px at 88% 90%,rgba(47,227,200,.18),transparent 60%),
    var(--ink-800);
  border:1px solid transparent;
  box-shadow:var(--shadow-card);
}
.cta-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-xl);padding:1px;
  background:var(--grad-neon);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.cta-card h2{font-size:34px;font-weight:700;line-height:1.3;max-width:640px}
.cta-card p{margin-top:14px;color:var(--text-sub);max-width:660px}
.cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- related ---------- */
.related{margin-top:44px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
.rel-card{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  padding:18px;border-radius:var(--radius-lg);background:var(--ink-700);
  border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-neon);border-color:rgba(47,227,200,.35)}
.rel-card img{width:150px;height:104px;object-fit:cover;border-radius:var(--radius-sm)}
.rel-card h3{font-size:18px;font-weight:600}
.rel-card p{margin-top:8px;font-size:14px;color:var(--text-sub)}
.rel-card .rel-more{margin-top:12px;display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-size:14px}
.rel-card:hover .rel-more svg{transform:translateX(4px)}
.rel-card .rel-more svg{transition:transform .2s ease}

/* ---------- note ---------- */
.callout{
  margin-top:32px;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--ink-800);border:1px solid var(--line);border-left:4px solid var(--gold);
  color:var(--text-sub);font-size:14px;
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:0;padding:72px 0 28px;background:var(--ink-800);
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:22px 22px;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad-neon);opacity:.6}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800}
.footer-brand span{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-about{margin-top:16px;font-size:14px;color:var(--text-sub);max-width:340px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-sub)}
.footer-links a{transition:color .2s ease}
.footer-links a:hover{color:var(--aurora)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-weak);
}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;
  background:rgba(4,2,16,.72);backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;padding:20px;
}
.modal-open .modal-mask{opacity:1;visibility:visible}
.modal{
  width:100%;max-width:560px;max-height:90vh;overflow:auto;border-radius:var(--radius-xl);
  background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-lift);
  padding:32px;transform:translateY(12px);transition:transform .24s ease;
}
.modal-open .modal{transform:translateY(0)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.modal-head h2{font-size:24px;font-weight:700}
.modal-head p{margin-top:8px;font-size:14px;color:var(--text-sub)}
.modal-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);color:var(--text-sub);font-size:18px}
.modal-close:hover{color:var(--text-main);border-color:rgba(47,227,200,.4)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;margin-bottom:8px;color:var(--text-sub)}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-sm);
  background:var(--ink-700);border:1px solid var(--line);color:var(--text-main);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-weak)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15);
}
.consent{margin-top:18px;display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-sub)}
.consent input{width:18px;height:18px;margin-top:4px;accent-color:var(--aurora);flex:0 0 auto}
.modal .btn-primary{width:100%;margin-top:22px}
.modal-note{margin-top:14px;font-size:13px;color:var(--text-weak);line-height:1.7}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .cat-hero h1{font-size:42px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav{display:none}
  .burger{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .cat-hero{padding:56px 0 52px}
  .cat-hero h1{font-size:34px}
  .hero-strip{grid-template-columns:1fr;gap:14px}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig:nth-child(even) .zig-media{order:0}
  .zig h2{font-size:26px}
  .check-wrap{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .header-inner{height:60px}
  .cat-hero h1{font-size:28px}
  .cat-hero p.lead{font-size:16px}
  .band-caption{left:20px;right:20px;bottom:20px}
  .band-caption h2{font-size:22px}
  .wide-band .band-img{aspect-ratio:16/9}
  .zig h2{font-size:24px}
  .check-wrap{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .cta-card{padding:34px 22px}
  .cta-card h2{font-size:26px}
  .rel-card{grid-template-columns:1fr}
  .rel-card img{width:100%;height:160px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:16px;padding:18px}
  .stat b{font-size:40px}
}
@media (max-width:479px){
  .section{padding:48px 0}
  .cat-hero h1{font-size:26px}
  .stats{grid-template-columns:1fr}
  .modal{padding:24px 20px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --line:rgba(255,255,255,.08);
  --hi:rgba(255,255,255,.06);
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text:#F4F1FF;
  --text-2:#B4AEDA;
  --text-3:#7A74A0;
  --ok:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --grad:linear-gradient(120deg,#6C4BFF,#2FE3C8);
  --grad-neon:linear-gradient(90deg,#FF5FA8,#6C4BFF,#2FE3C8);
  --r-card:24px;
  --r-mid:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35), 0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(108,75,255,.45);color:#fff;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.band{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--aurora);
  background:rgba(47,227,200,.08);
  border:1px solid rgba(47,227,200,.24);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aurora);box-shadow:0 0 10px rgba(47,227,200,.8);}
.section-title{
  font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.2px;
  max-width:720px;
}
.section-sub{margin-top:14px;color:var(--text-2);font-size:15px;max-width:680px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,7,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,rgba(255,95,168,.85),rgba(108,75,255,.5),rgba(47,227,200,.18) 55%,rgba(47,227,200,0));
}
.site-header.is-scrolled{background:rgba(8,7,15,.96);box-shadow:var(--shadow-card);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.3px;white-space:nowrap;}
.brand-mark{width:24px;height:24px;flex:none;fill:url(#starGrad);}
.brand-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:color .2s ease,transform .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad-neon);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:#fff;transform:translateY(-1px);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active::before{
  content:"";position:absolute;left:3px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--aurora);box-shadow:0 0 10px rgba(47,227,200,.9);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--ink-700);border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);
  font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .25s ease,filter .25s ease,background-position .3s ease;
  white-space:nowrap;
}
.btn-primary{
  height:48px;padding:0 26px;color:#0A0918;
  background:var(--grad);background-size:160% 100%;background-position:0 0;
  box-shadow:0 12px 32px rgba(108,75,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);background-position:20% 0;filter:brightness(1.08);box-shadow:0 18px 44px rgba(108,75,255,.48);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(4,2,16,.5);}
.btn-ghost{
  height:40px;padding:0 18px;color:var(--aurora);
  background:transparent;border:1px solid rgba(47,227,200,.38);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(47,227,200,.08);box-shadow:0 10px 26px rgba(47,227,200,.18);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:32px;padding:0 14px;font-size:13px;font-weight:600;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--aurora);
}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 64px;
  background:
    radial-gradient(1000px 420px at 12% -10%,rgba(108,75,255,.24),transparent 62%),
    radial-gradient(760px 360px at 88% 0%,rgba(47,227,200,.14),transparent 60%),
    var(--ink-900);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:150px 150px;opacity:.05;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.page-hero h1{
  font-size:46px;line-height:1.2;font-weight:800;letter-spacing:-.5px;
}
.page-hero .hero-lead{margin-top:18px;color:var(--text-2);font-size:16px;max-width:560px;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-badges{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--ink-600);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}
.hero-visual{
  position:relative;border-radius:28px;overflow:hidden;
  border:1px solid rgba(108,75,255,.4);
  box-shadow:var(--shadow-neon);
}
.hero-visual img{width:100%;height:340px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,7,15,.15),rgba(8,7,15,.72));
}
.float-badge{
  position:absolute;z-index:3;
  padding:12px 16px;border-radius:16px;
  background:rgba(16,14,28,.9);border:1px solid var(--line);
  box-shadow:var(--shadow-card);backdrop-filter:blur(8px);
}
.float-badge .num{font-size:22px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.2;}
.float-badge .lbl{font-size:12px;color:var(--text-3);}
.float-badge--tl{top:22px;left:22px;}
.float-badge--br{bottom:22px;right:22px;}
.hero-divider{margin-top:56px;height:1px;background:linear-gradient(90deg,rgba(255,95,168,.6),rgba(108,75,255,.35),rgba(47,227,200,0));}

/* ---------- banner strip ---------- */
.strip{padding-top:8px;}
.strip-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.strip-frame img{width:100%;aspect-ratio:21/9;object-fit:cover;}
.strip-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,7,15,.85),rgba(23,20,43,.45) 55%,rgba(108,75,255,.28));
}
.strip-caption{
  position:absolute;z-index:2;left:36px;bottom:32px;max-width:520px;
}
.strip-caption h2{font-size:22px;font-weight:700;}
.strip-caption p{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- matrix cards ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px;}
.matrix-card{
  position:relative;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px 26px;box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  overflow:hidden;
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--grad-neon);opacity:.5;
}
.matrix-card::after{
  content:"";position:absolute;top:16px;right:18px;width:8px;height:8px;border-radius:50%;
  background:var(--text-3);opacity:.35;transition:all .28s ease;
}
.matrix-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:rgba(108,75,255,.5);}
.matrix-card:hover::after{background:var(--aurora);opacity:1;box-shadow:0 0 14px rgba(47,227,200,.9);}
.matrix-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--ink-600);border:1px solid var(--line);
  font-size:12px;color:var(--aurora);letter-spacing:.04em;
}
.level{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
}
.level::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.level--easy{color:var(--gold);background:rgba(255,203,107,.1);border:1px solid rgba(255,203,107,.3);}
.level--mid{color:var(--pink);background:rgba(255,95,168,.1);border:1px solid rgba(255,95,168,.3);}
.level--care{color:var(--danger);background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.3);}
.matrix-card h3{font-size:20px;line-height:1.4;font-weight:600;}
.symptom{margin-top:12px;font-size:14px;color:var(--text-2);}
.point-list{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;display:grid;gap:10px;}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);}
.point-list li::before{
  content:"";flex:none;width:6px;height:6px;border-radius:50%;margin-top:9px;
  background:var(--aurora);box-shadow:0 0 8px rgba(47,227,200,.6);
}
.matrix-card .card-link{margin-top:20px;}

/* ---------- order track ---------- */
.track{position:relative;margin-top:48px;padding-top:34px;}
.track::before{
  content:"";position:absolute;top:8px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(255,95,168,.5),rgba(108,75,255,.45),rgba(47,227,200,.35));
  border-radius:2px;opacity:.7;
}
.track-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.track-item{position:relative;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-mid);padding:22px 20px;transition:transform .25s ease,border-color .25s ease;}
.track-item::before{
  content:"";position:absolute;top:-34px;left:22px;width:12px;height:12px;border-radius:50%;
  background:var(--ink-900);border:2px solid var(--nebula);box-shadow:0 0 14px rgba(108,75,255,.7);
}
.track-item:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.4);}
.track-num{
  font-size:13px;font-weight:700;letter-spacing:.1em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.track-item h3{margin-top:8px;font-size:17px;font-weight:600;}
.track-item p{margin-top:8px;font-size:13.5px;color:var(--text-2);}

/* ---------- checklist / split ---------- */
.split{display:grid;grid-template-columns:5fr 5fr;gap:44px;align-items:center;}
.split-visual{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.split-visual img{width:100%;height:360px;object-fit:cover;}
.split-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(108,75,255,.35),rgba(16,14,28,.7));}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-item{
  display:flex;gap:14px;padding:16px 18px;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-sm);
  border-left:3px solid transparent;border-image:var(--grad-neon) 1;
  border-image-slice:1 1 1 3;
  transition:transform .22s ease;
}
.check-item:hover{transform:translateX(4px);}
.check-item svg{width:20px;height:20px;flex:none;stroke:var(--aurora);fill:none;stroke-width:1.5;margin-top:4px;}
.check-item strong{display:block;font-size:15px;font-weight:600;}
.check-item span{display:block;margin-top:4px;font-size:13.5px;color:var(--text-2);}

/* ---------- notice bar ---------- */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--ink-800);border-radius:var(--r-sm);
  border-left:4px solid var(--warn);padding:16px 20px;margin-top:28px;
}
.notice strong{color:var(--warn);font-size:14px;}
.notice p{font-size:14px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{margin-top:40px;display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--ink-700);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:background .25s ease,border-color .25s ease;
}
.faq-item.is-open{background:var(--ink-600);border-color:rgba(108,75,255,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;color:var(--text);
  padding:20px 22px;text-align:left;
}
.faq-q h3{font-size:17px;font-weight:600;line-height:1.5;}
.faq-icon{
  position:relative;flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  transition:transform .28s ease,border-color .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--text-2);transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.5px;}
.faq-icon::after{width:1.5px;height:10px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:rgba(47,227,200,.6);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--aurora);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{
  padding:0 22px 22px;font-size:14.5px;color:var(--text-2);
  border-left:3px solid transparent;border-image:var(--grad-neon) 1;border-image-slice:1 1 1 3;
  margin-left:22px;padding-left:16px;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- related cards ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px;}
.rel-card{
  display:flex;gap:18px;align-items:center;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.rel-card:hover{transform:translateY(-5px);border-color:rgba(108,75,255,.5);box-shadow:var(--shadow-lift);}
.rel-thumb{flex:none;width:104px;height:78px;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-card h3{font-size:16.5px;font-weight:600;}
.rel-card p{margin-top:6px;font-size:13.5px;color:var(--text-2);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(108,75,255,.22),rgba(47,227,200,.12)),var(--ink-800);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px 44px;box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;inset:0;padding:1px;border-radius:var(--r-card);
  background:linear-gradient(90deg,rgba(255,95,168,.6),rgba(108,75,255,.5),rgba(47,227,200,.45));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;font-weight:700;line-height:1.35;}
.cta-inner p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;
  background:rgba(4,2,16,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex;}
.modal{
  width:100%;max-width:560px;background:var(--ink-800);
  border:1px solid var(--line);border-radius:28px;
  box-shadow:var(--shadow-lift);padding:32px 32px 28px;position:relative;
  max-height:90vh;overflow-y:auto;
}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  background:var(--ink-700);border:1px solid var(--line);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{color:#fff;border-color:rgba(47,227,200,.5);}
.modal h2{font-size:22px;font-weight:700;}
.modal > p{margin-top:10px;font-size:14px;color:var(--text-2);}
.field{margin-top:18px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15);
}
.consent{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--text-3);}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:#2FE3C8;}
.form-note{margin-top:12px;font-size:13px;color:var(--text-3);}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;z-index:100;background:rgba(4,2,16,.68);display:none;}
.drawer-mask.is-open{display:block;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:110;width:84%;max-width:340px;
  background:var(--ink-800);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .22s ease;
  padding:24px 22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer::before{content:"";display:block;height:2px;border-radius:2px;background:var(--grad-neon);margin-bottom:22px;}
.drawer-list{display:grid;gap:6px;}
.drawer-list a{
  display:block;padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;
}
.drawer-list a.is-active{color:#fff;background:rgba(47,227,200,.08);border-left-color:var(--aurora);}
.drawer-actions{margin-top:24px;display:grid;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-800);border-top:1px solid var(--line);position:relative;
  padding:64px 0 0;margin-top:8px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,95,168,.55),rgba(108,75,255,.35),rgba(47,227,200,0));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;}
.footer-brand .brand-mark{width:22px;height:22px;}
.footer-about{margin-top:16px;font-size:13.5px;color:var(--text-3);max-width:320px;line-height:1.8;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-links{display:grid;gap:11px;font-size:13.5px;color:var(--text-3);}
.footer-links a{color:var(--text-3);transition:color .2s ease;}
.footer-links a:hover{color:var(--aurora);}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .page-hero h1{font-size:42px;}
  .track-grid{grid-template-columns:repeat(3,1fr);gap:26px 20px;}
  .track::before{display:none;}
  .track-item::before{display:none;}
}
@media (max-width:1023px){
  .nav{display:none;}
  .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .section--tight{padding:60px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero{padding:56px 0 48px;}
  .page-hero h1{font-size:36px;}
  .matrix-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:30px;}
  .split-visual img{height:280px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:38px 30px;}
  .cta-inner h2{font-size:24px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .section{padding:56px 0;}
  .section--tight{padding:52px 0;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-lead{font-size:15px;}
  .section-title{font-size:24px;}
  .hero-visual img{height:240px;}
  .float-badge{padding:10px 12px;}
  .float-badge .num{font-size:18px;}
  .strip-caption{left:20px;right:20px;bottom:20px;}
  .strip-caption h2{font-size:18px;}
  .rel-grid{grid-template-columns:1fr;}
  .track-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-actions .btn{width:100%;}
  .modal{padding:26px 22px 22px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .page-hero h1{font-size:27px;}
  .section{padding:48px 0;}
  .section-title{font-size:22px;}
  .matrix-card{padding:24px 20px 22px;}
  .faq-q{padding:16px 18px;}
  .faq-q h3{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --ink-900:#08070F;
  --ink-800:#100E1C;
  --ink-700:#17142B;
  --ink-600:#1F1B38;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --inner-hi:rgba(255,255,255,.06);
  --nebula:#6C4BFF;
  --aurora:#2FE3C8;
  --pink:#FF5FA8;
  --gold:#FFCB6B;
  --text:#F4F1FF;
  --text-2:#B4AEDA;
  --text-3:#7A74A0;
  --ok:#3DDC97;
  --warn:#FFB020;
  --danger:#FF6B6B;
  --grad:linear-gradient(120deg,#6C4BFF,#2FE3C8);
  --grad-neon:linear-gradient(90deg,#FF5FA8,#6C4BFF,#2FE3C8);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 24px 60px rgba(4,2,16,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-neon:0 0 0 1px rgba(108,75,255,.35), 0 12px 40px rgba(108,75,255,.28);
  --shadow-lift:0 32px 80px rgba(4,2,16,.65);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
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}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink-700);color:var(--aurora);padding:10px 18px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--aurora);text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad-neon);border-radius:2px}
h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-note{font-size:14px;color:var(--text-3)}
.lead{color:var(--text-2);font-size:16px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;white-space:nowrap;transition:transform .25s ease, box-shadow .25s ease, background-position .4s ease, opacity .2s ease}
.btn-primary{height:48px;padding:0 26px;background-image:var(--grad);background-size:180% 100%;background-position:0 0;color:#0B0718;box-shadow:0 10px 30px rgba(108,75,255,.35)}
.btn-primary:hover{background-position:20% 0;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 44px rgba(108,75,255,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(4,2,16,.45)}
.btn-ghost{height:40px;padding:0 20px;border:1px solid var(--line-strong);color:var(--aurora);background:transparent}
.btn-ghost:hover{border-color:rgba(47,227,200,.55);transform:translateY(-2px);box-shadow:0 10px 28px rgba(47,227,200,.16)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:15px}
.btn-full{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-size:15px;font-weight:600}
.link-arrow svg{transition:transform .25s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--ink-600);color:var(--aurora);font-size:12.5px;font-weight:600;letter-spacing:.02em}
.pill--gold{color:var(--gold)}
.pill--pink{color:var(--pink)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,7,15,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .3s ease, box-shadow .3s ease}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(255,95,168,.7),rgba(108,75,255,.4),rgba(47,227,200,.18),transparent)}
.site-header.is-scrolled{background:rgba(8,7,15,.96);box-shadow:var(--shadow-card)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.2px}
.brand-mark{width:24px;height:24px;fill:url(#brandGrad);flex:none}
.brand-text{font-size:18px;background:linear-gradient(120deg,#F4F1FF 20%,#9BE9DC 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:7px;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:12px;transition:color .22s ease, transform .22s ease}
.nav-link::before{content:"";width:0;height:0;border-radius:50%;background:var(--aurora);transition:width .22s ease,height .22s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--grad-neon);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:#fff;transform:translateY(-1px)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;text-shadow:0 0 12px rgba(47,227,200,.45)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{width:6px;height:6px}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line-strong);border-radius:12px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:var(--ink-800);border-left:1px solid var(--line);padding:24px 22px;transform:translateX(100%);transition:transform .22s ease;z-index:80;overflow-y:auto}
.drawer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad-neon)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;padding-top:8px}
.drawer-title{font-weight:700;font-size:16px}
.drawer-close{width:38px;height:38px;border:1px solid var(--line-strong);border-radius:12px;display:inline-flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:var(--text);stroke-width:1.6;fill:none}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-link{position:relative;display:block;padding:13px 16px;border-radius:14px;color:var(--text-2);font-size:16px;background:var(--ink-700)}
.drawer-link.is-active{color:#fff;background:var(--ink-600)}
.drawer-link.is-active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad-neon)}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer-actions .btn{width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(4,2,16,.72);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0;overflow:hidden;background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(180deg, rgba(16,14,28,.75), rgba(8,7,15,1)), url("/assets/images/backpic/back-1.webp");background-size:22px 22px, cover, cover;background-position:0 0, center, center}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(108,75,255,.55),rgba(47,227,200,.35),transparent)}
.hero-inner{position:relative;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--aurora)}
.crumb span[aria-current]{color:var(--text-3)}
h1{font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:18px}
h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:640px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-meta{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(23,20,43,.7);font-size:13.5px;color:var(--text-2)}
.chip svg{width:16px;height:16px;stroke:var(--aurora);stroke-width:1.5;fill:none;flex:none}

/* ---------- 图带 ---------- */
.banner{padding:0 0 8px}
.banner-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.banner-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.banner-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,7,15,.1),rgba(8,7,15,.72))}
.banner-caption{position:absolute;left:28px;bottom:24px;z-index:2;font-size:14px;color:var(--text-2);max-width:70%}
.banner-caption strong{display:block;font-size:19px;color:#fff;font-weight:700;margin-bottom:4px}

/* ---------- 公告区 ---------- */
.notice-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.notice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.notice-item{position:relative;display:flex;gap:14px;padding:20px 20px 20px 22px;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:inset 0 1px 0 var(--inner-hi);transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease, opacity .25s ease}
.notice-item::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--grad-neon);opacity:0;transition:opacity .25s ease}
.notice-item:hover{transform:translateX(-4px);border-color:rgba(108,75,255,.45);box-shadow:var(--shadow-neon)}
.notice-item:hover::before{opacity:1}
.notice-item.is-hidden{display:none}
.notice-top{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.notice-date{font-size:13px;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.notice-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--text)}
.notice-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2)}
.notice-flag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:6px;font-size:12px;font-weight:600}
.flag-now{background:rgba(61,220,151,.14);color:var(--ok)}
.flag-soon{background:rgba(255,176,32,.14);color:var(--warn)}
.flag-note{background:rgba(255,107,107,.14);color:var(--danger)}

/* ---------- 侧栏 ---------- */
.side-card{background:var(--ink-700);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px;position:sticky;top:96px}
.side-card + .side-card{position:static;margin-top:0}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px}
.tag-group{display:flex;flex-wrap:wrap;gap:8px}
.tag{height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line-strong);font-size:13.5px;color:var(--text-2);transition:color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease}
.tag:hover{color:#fff;border-color:rgba(47,227,200,.5);transform:translateY(-1px)}
.tag.is-on{background:var(--ink-600);border-color:rgba(47,227,200,.6);color:var(--aurora)}
.side-tip{margin-top:16px;font-size:13px;line-height:1.7;color:var(--text-3)}
.side-list{margin-top:4px}
.side-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2)}
.side-list li:last-child{border-bottom:0}
.side-list .num{font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 状态提示条 ---------- */
.tip-list{display:grid;gap:14px;max-width:880px}
.tip{display:flex;gap:14px;padding:18px 22px;background:var(--ink-800);border:1px solid var(--line);border-left:4px solid var(--ok);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.tip.is-warn{border-left-color:var(--warn)}
.tip.is-note{border-left-color:var(--danger)}
.tip-title{font-weight:600;font-size:15.5px;margin-bottom:4px}
.tip-text{font-size:14px;color:var(--text-2)}

/* ---------- 类别卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.cat-card{position:relative;padding:24px;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:inset 0 1px 0 var(--inner-hi);transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease}
.cat-card::after{content:"";position:absolute;top:14px;right:14px;width:6px;height:6px;border-radius:50%;background:var(--aurora);opacity:.25;transition:opacity .25s ease, box-shadow .25s ease}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(108,75,255,.45);box-shadow:var(--shadow-lift)}
.cat-card:hover::after{opacity:1;box-shadow:0 0 12px rgba(47,227,200,.7)}
.cat-card h3{font-size:18px;margin:14px 0 10px;font-weight:600}
.cat-card p{font-size:14px;color:var(--text-2);line-height:1.7}
.cat-card .link-arrow{margin-top:16px;font-size:14px}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq-item{background:var(--ink-700);border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;position:relative;transition:background .25s ease, border-color .25s ease}
.faq-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-neon);opacity:0;transition:opacity .25s ease}
.faq-item.is-open{background:var(--ink-600);border-color:rgba(108,75,255,.4)}
.faq-item.is-open::before{opacity:1}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.5}
.faq-icon{position:relative;flex:none;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--aurora);border-radius:2px;transition:transform .3s ease, opacity .3s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 20px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-card{position:relative;padding:44px;border-radius:28px;background:linear-gradient(var(--ink-800),var(--ink-800)) padding-box, var(--grad-neon) border-box;border:1px solid transparent;box-shadow:var(--shadow-card);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-card h2{font-size:26px;margin-bottom:10px}
.cta-card p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:32px}
.rel-card{display:flex;gap:18px;align-items:center;padding:18px;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-lg);transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(47,227,200,.45);box-shadow:var(--shadow-neon)}
.rel-card img{width:104px;height:74px;object-fit:cover;border-radius:14px;flex:none}
.rel-card h3{font-size:16.5px;margin-bottom:6px}
.rel-card p{font-size:13.5px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:24px;background:var(--ink-900);background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);background-size:24px 24px;padding:72px 0 28px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(108,75,255,.5),rgba(47,227,200,.3),transparent)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-about{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px;font-size:14px;color:var(--text-3)}
.footer-links a{color:var(--text-2);transition:color .2s ease}
.footer-links a:hover{color:var(--aurora)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;z-index:90;background:rgba(4,2,16,.72);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .22s ease, visibility .22s ease}
.modal-mask.is-open{opacity:1;visibility:visible}
.modal{position:relative;width:100%;max-width:560px;max-height:92vh;overflow-y:auto;background:var(--ink-800);border:1px solid var(--line-strong);border-radius:28px;padding:32px;box-shadow:var(--shadow-lift);transform:translateY(14px);transition:transform .25s ease}
.modal-mask.is-open .modal{transform:translateY(0)}
.modal h3{font-size:21px;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px}
.modal-close{position:absolute;top:18px;right:18px;width:38px;height:38px;border:1px solid var(--line-strong);border-radius:12px;display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s ease, transform .2s ease}
.modal-close:hover{border-color:rgba(47,227,200,.55);transform:rotate(90deg)}
.modal-close svg{width:16px;height:16px;stroke:var(--text);stroke-width:1.8;fill:none}
.field{display:block;margin-bottom:16px}
.field-label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-sm);transition:border-color .2s ease, box-shadow .2s ease}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;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(--aurora);box-shadow:0 0 0 4px rgba(47,227,200,.15)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#B4AEDA 50%),linear-gradient(135deg,#B4AEDA 50%,transparent 50%);background-position:calc(100% - 20px) 21px, calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);margin:6px 0 20px;line-height:1.7}
.check input{width:18px;height:18px;flex:none;margin-top:2px;accent-color:#2FE3C8}
.form-note{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center}
.form-ok{margin-top:14px;padding:14px 16px;border-left:4px solid var(--ok);background:var(--ink-700);border-radius:0 12px 12px 0;font-size:14px;color:var(--text-2)}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  h1{font-size:40px}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .nav,.header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .notice-layout{grid-template-columns:minmax(0,1fr)}
  .side-card{position:static;margin-top:24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-card{padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .brand-text{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:56px 0}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .banner-figure img{aspect-ratio:16/9}
  .banner-caption{left:18px;right:18px;bottom:16px;max-width:none;font-size:13px}
  .banner-caption strong{font-size:16px}
  .notice-grid{grid-template-columns:minmax(0,1fr)}
  .cat-grid{grid-template-columns:minmax(0,1fr)}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta-card{padding:26px 22px;border-radius:22px}
  .modal{padding:24px;border-radius:22px}
  .modal-mask{align-items:flex-end;padding:0}
  .modal{max-width:100%;max-height:92vh;border-radius:24px 24px 0 0;transform:translateY(30px)}
  .modal-mask.is-open .modal{transform:translateY(0)}
}
@media (max-width:479px){
  h1{font-size:27px}
  h2{font-size:22px}
  .section{padding:48px 0}
  .notice-item{padding:16px 16px 16px 18px}
  .side-card{padding:18px}
}