/* roulang page: index */
:root{
  --brand:#5B4BE8;
  --brand-600:#4a3ad6;
  --brand-soft:rgba(91,75,232,.12);
  --gold:#F0B429;
  --gold-soft:rgba(240,180,41,.12);
  --cyan:#3FD8C2;
  --ink:#0B0A1A;
  --panel:#15132B;
  --panel-2:#1D1A38;
  --surface:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1830;
  --text-soft:#6B6885;
  --text-dim:#A6A2C4;
  --danger:#E5484D;
  --line:rgba(26,24,48,.10);
  --line-strong:rgba(26,24,48,.16);
  --line-dark:rgba(255,255,255,.08);
  --r-card:16px;
  --r-btn:10px;
  --shadow-card:0 6px 18px rgba(26,24,48,.08);
  --shadow-card-hover:0 14px 32px rgba(26,24,48,.14);
  --shadow-dark:0 8px 24px rgba(11,10,26,.45);
  --container:1200px;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--surface);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
h1{font-size:40px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:22px;line-height:1.4}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部状态条 ============ */
.status-bar{background:var(--panel);color:var(--text-dim);font-size:13px;line-height:36px;border-bottom:1px solid var(--line-dark)}
.status-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.status-bar__left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(63,216,194,.16);flex:0 0 auto}
.status-bar__right{display:flex;align-items:center;gap:18px;white-space:nowrap}
.status-bar__right span{color:var(--text-dim)}

/* ============ 主导航 ============ */
.site-header{background:var(--ink);position:relative;z-index:50}
.site-header::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;background-image:radial-gradient(circle at 12% 30%,#fff 1px,transparent 1px),radial-gradient(circle at 68% 70%,#fff 1px,transparent 1px),radial-gradient(circle at 88% 22%,#fff 1px,transparent 1px);background-size:260px 260px,340px 340px,200px 200px}
.nav-main{position:relative;z-index:2;padding:18px 0}
.nav-main__inner{display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo__mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,var(--brand),#7d6dfb);display:grid;place-items:center;box-shadow:0 6px 16px rgba(91,75,232,.42)}
.logo__mark svg{width:22px;height:22px;display:block}
.logo__text{color:#fff;font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-search{flex:1 1 auto;min-width:0;max-width:560px}
.search{display:flex;align-items:center;background:#fff;border-radius:999px;padding:5px 5px 5px 20px;box-shadow:0 4px 18px rgba(0,0,0,.22)}
.search svg{width:19px;height:19px;flex:0 0 auto;color:var(--text-soft)}
.search input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;font-size:15px;line-height:1.6;padding:9px 14px;color:var(--text)}
.search input::placeholder{color:#9a97b0}
.search button{flex:0 0 auto;border:0;cursor:pointer;background:var(--brand);color:#fff;font-size:15px;font-weight:600;padding:10px 24px;border-radius:999px;transition:background .18s ease,transform .12s ease}
.search button:hover{background:var(--brand-600)}
.search button:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.link-plain{color:#DCD9F2;font-size:15px;font-weight:500;position:relative;padding-bottom:2px;transition:color .18s ease;white-space:nowrap}
.link-plain::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;background:var(--gold);transition:right .22s ease}
.link-plain:hover{color:#fff}
.link-plain:hover::after{right:0}

.nav-chips{border-top:1px solid var(--line-dark);background:var(--panel);position:relative;z-index:2}
.nav-chips__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.nav-chips__inner::-webkit-scrollbar{display:none}
.chip{position:relative;display:inline-block;padding:13px 18px;font-size:15px;color:var(--text-dim);white-space:nowrap;transition:color .18s ease}
.chip:hover{color:#fff}
.chip::after{content:"";position:absolute;left:18px;right:18px;bottom:8px;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.chip:hover::after,.chip.is-active::after{transform:scaleX(1)}
.chip.is-active{color:#fff;font-weight:600}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--r-btn);font-size:16px;font-weight:600;line-height:1.4;padding:13px 26px;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,75,232,.34)}
.btn-primary:hover{background:var(--brand-600)}
.btn-gold{background:var(--gold);color:#241a04;box-shadow:0 8px 20px rgba(240,180,41,.28)}
.btn-gold:hover{background:#dfa51c}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline{background:transparent;color:var(--brand);border-color:rgba(91,75,232,.4)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-block{display:flex;width:100%}

/* ============ Hero ============ */
.hero{position:relative;background:var(--ink);overflow:hidden;padding:72px 0 76px}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center 30%;opacity:.5}
.hero__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,10,26,.72) 0%,rgba(11,10,26,.86) 55%,rgba(11,10,26,.98) 100%)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--gold);border:1px solid rgba(240,180,41,.34);border-radius:999px;padding:5px 14px;margin-bottom:22px;background:rgba(240,180,41,.08)}
.hero h1{color:#fff;max-width:15em}
.hero__sub{color:#C9C5E4;font-size:18px;line-height:1.85;margin:20px 0 32px;max-width:34em}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px 26px;color:var(--text-dim);font-size:15px}
.hero__trust li{display:flex;align-items:center;gap:9px}
.hero__trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);flex:0 0 auto}

.statuscard{background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-dark)}
.statuscard__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-dark)}
.statuscard__head .badge{background:var(--brand-soft);color:#B9B1FF;border:1px solid rgba(91,75,232,.4)}
.statuscard__state{font-size:14px;color:var(--gold);font-weight:600}
.statuscard__list{margin:8px 0 20px}
.statuscard__list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:15px}
.statuscard__list li:last-child{border-bottom:0}
.statuscard__list span{color:var(--text-dim)}
.statuscard__list strong{color:#fff;font-weight:600}
.badge{display:inline-block;font-size:12px;line-height:1;padding:6px 11px;border-radius:999px;font-weight:600;letter-spacing:.02em}

/* ============ 快捷入口条 ============ */
.quick{background:#fff;border-bottom:1px solid var(--line);padding:34px 0}
.quick__row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.quick__item{display:flex;flex-direction:column;gap:4px;padding:16px 20px;border-radius:14px;border-left:1px solid var(--line);transition:background .2s ease,transform .2s ease}
.quick__item:first-child{border-left:0}
.quick__item:hover{background:#FBFAFF;transform:translateY(-2px)}
.quick__icon{width:38px;height:38px;border-radius:11px;background:var(--brand-soft);display:grid;place-items:center;margin-bottom:8px}
.quick__icon svg{width:20px;height:20px;color:var(--brand)}
.quick__title{font-size:16px;font-weight:700;color:var(--text)}
.quick__desc{font-size:14px;color:var(--text-soft);line-height:1.7}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--white{background:#fff}
.sec-head{margin-bottom:38px;max-width:46em}
.sec-head .num{display:block;font-size:13px;letter-spacing:.16em;color:var(--brand);font-weight:700;margin-bottom:10px}
.sec-head h2{position:relative;padding-left:18px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--gold)}
.sec-head p{margin:14px 0 0;color:var(--text-soft);font-size:16px;line-height:1.85}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;max-width:44em}
.sec-head--center h2{padding-left:0}
.sec-head--center h2::before{display:none}

/* ============ 权益对比表 ============ */
.compare-wrap{overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
.compare{min-width:860px;width:100%;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-card)}
.compare__row{display:grid;grid-template-columns:minmax(200px,1.5fr) repeat(4,minmax(120px,1fr));border-bottom:1px solid var(--line)}
.compare__row:last-child{border-bottom:0}
.compare__row > div{padding:16px 18px;font-size:15px;display:flex;align-items:center;gap:8px;border-left:1px solid var(--line)}
.compare__row > div:first-child{border-left:0;color:var(--text);font-weight:500}
.compare__row--head > div{background:var(--surface);font-weight:700;color:var(--text);font-size:15px;padding-top:18px;padding-bottom:18px}
.compare__row--head > div.is-top{background:var(--gold-soft);border-top:2px solid var(--gold);color:#8a6100}
.compare__row > div.is-col{background:rgba(240,180,41,.05)}
.compare__row > div.is-col:last-child{background:rgba(240,180,41,.09)}
.mark{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;line-height:1}
.mark--on{background:rgba(91,75,232,.14);color:var(--brand)}
.mark--off{background:rgba(26,24,48,.06);color:#B3B0C4}
.compare-note{margin-top:14px;font-size:14px;color:var(--text-soft)}
.scroll-hint{display:none;font-size:13px;color:var(--text-soft);margin-bottom:10px}

/* ============ 等级阶梯 ============ */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;position:relative}
.tier:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(91,75,232,.4)}
.tier--1{padding-bottom:30px}
.tier--2{padding-bottom:42px}
.tier--3{padding-bottom:54px}
.tier--4{padding-bottom:66px;border-color:rgba(240,180,41,.5)}
.tier__medal{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--gold-soft);margin-bottom:16px}
.tier__medal svg{width:22px;height:22px;color:var(--gold)}
.tier__name{font-size:19px;font-weight:700;margin-bottom:6px}
.tier__tag{font-size:13px;color:var(--text-soft);display:block;margin-bottom:18px}
.tier__list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-soft);line-height:1.8;margin-bottom:9px}
.tier__list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.tier--4 .tier__list li::before{background:var(--gold)}
.tier__scene{display:inline-block;margin-top:16px;font-size:12px;padding:5px 11px;border-radius:999px;background:var(--surface);color:var(--text-soft);border:1px solid var(--line)}

/* ============ 内容预览卡片 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:rgba(91,75,232,.4)}
.card:hover .card__cover img{transform:scale(1.03)}
.card__cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E9E6F8,#D9D4F5)}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card__cat{position:absolute;left:14px;top:14px;background:rgba(91,75,232,.86);color:#fff;font-size:12px;font-weight:600;line-height:1;padding:7px 12px;border-radius:999px;backdrop-filter:blur(2px)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card__body h3{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:14.5px;color:var(--text-soft);line-height:1.8;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8A87A0;border-top:1px solid var(--line);padding-top:13px}
.card__meta .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease}
.card:hover .card__meta .arrow{transform:translateX(3px)}

/* ============ FAQ ============ */
.faq-list{max-width:760px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:rgba(91,75,232,.36);box-shadow:var(--shadow-card)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;cursor:pointer;display:flex;align-items:center;gap:14px;padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);line-height:1.6;position:relative;min-height:44px}
.faq-q::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:transform .2s ease}
.faq-item.is-open .faq-q::before{transform:scaleY(1)}
.faq-q .idx{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:8px;padding:4px 9px;line-height:1.4}
.faq-q .star{flex:0 0 auto;width:18px;height:18px;color:var(--gold);transition:transform .25s ease}
.faq-item.is-open .faq-q .star{transform:rotate(45deg)}
.faq-q .spacer{flex:1 1 auto}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{margin:0;padding:0 22px 22px 66px;font-size:15.5px;color:var(--text-soft);line-height:1.9}

/* ============ 通栏 CTA ============ */
.cta{position:relative;overflow:hidden;background:var(--ink);padding:72px 0}
.cta__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.28}
.cta__veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,10,26,.96) 0%,rgba(11,10,26,.86) 52%,rgba(11,10,26,.66) 100%)}
.cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center}
.cta h2{color:#fff;max-width:18em}
.cta p{color:#C9C5E4;font-size:16.5px;margin:18px 0 0;max-width:34em}
.cta__points{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 24px;color:var(--text-dim);font-size:15px}
.cta__points li{display:flex;align-items:center;gap:9px}
.cta__points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.form-card{background:var(--panel);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-dark)}
.form-card h3{color:#fff;font-size:19px;margin-bottom:6px}
.form-card .hint{color:var(--text-dim);font-size:14px;margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-dim);margin-bottom:7px}
.field input,.field select{width:100%;background:#100E22;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 14px;font-size:15px;color:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.field input::placeholder{color:#6F6B90}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,216,194,.16)}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.field.has-error input{border-color:var(--danger)}
.field.has-error .err{display:block}
.form-card .btn{width:100%;margin-top:6px}
.form-foot{font-size:12.5px;color:#6F6B90;margin:14px 0 0;line-height:1.7}

/* ============ CMS 列表 ============ */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.posts-head .sec-head{margin-bottom:0}
.empty-state{min-height:180px;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 20px;color:var(--text-soft)}
.empty-state svg{width:34px;height:34px;color:var(--text-dim)}
.empty-state p{margin:0;font-size:15px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--text-dim);padding:64px 0 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(91,75,232,.6),rgba(240,180,41,.55),transparent)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px;padding-bottom:48px}
.footer-brand .logo{padding:0}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#8F8BAB;margin:18px 0 0;max-width:30em}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:#9E9AB9;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.5px;color:#7C7899}
.footer-bottom span{display:inline-block}

/* ============ 星轨分隔 ============ */
.orbit{height:1px;background:linear-gradient(90deg,transparent,rgba(91,75,232,.35),rgba(240,180,41,.35),transparent);position:relative}
.orbit::after{content:"";position:absolute;left:50%;top:-3px;width:7px;height:7px;border-radius:50%;background:var(--gold);transform:translateX(-50%)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 20px}
  .hero__inner{gap:40px}
  .tiers{grid-template-columns:repeat(2,1fr)}
  .tier--1,.tier--2,.tier--3,.tier--4{padding-bottom:26px}
}
@media (max-width:992px){
  body{font-size:16.5px}
  h1{font-size:34px}
  h2{font-size:26px}
  h3{font-size:20px}
  .nav-main__inner{flex-wrap:wrap;gap:16px}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-actions{margin-left:auto}
  .hero{padding:56px 0 60px}
  .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__sub{max-width:none}
  .quick__row{grid-template-columns:repeat(2,1fr)}
  .quick__item:nth-child(3){border-left:0}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .cta__inner{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .status-bar__right{display:none}
  .logo__text{font-size:17px}
  .search{padding-left:16px}
  .search button{padding:10px 18px}
  .compare{min-width:760px}
  .scroll-hint{display:block}
  .tiers{grid-template-columns:1fr;gap:16px}
  .grid-cards{grid-template-columns:1fr}
  .faq-a p{padding-left:22px}
  .faq-q{font-size:16px;padding:18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .hero{padding:44px 0 48px}
  .cta{padding:52px 0}
}
@media (max-width:520px){
  h1{font-size:28px}
  h2{font-size:23px}
  .container{padding:0 16px}
  .hero__cta .btn{width:100%}
  .quick__row{grid-template-columns:1fr}
  .quick__item{border-left:0;border-top:1px solid var(--line)}
  .quick__item:first-child{border-top:0}
  .statuscard{padding:20px}
  .form-card{padding:22px}
  .btn{font-size:15.5px;padding:12px 20px}
}

/* roulang page: article */
:root{
  --indigo:#5B4BE8;
  --indigo-deep:#4636CE;
  --gold:#F0B429;
  --aurora:#3FD8C2;
  --ink:#0B0A1A;
  --panel:#15132B;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1830;
  --text-soft:#3A3757;
  --dim-dark:#A6A2C4;
  --dim:#6B6885;
  --line:#E7E5F2;
  --danger:#E5484D;
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-dark:0 8px 24px rgba(11,10,26,.45);
  --shadow-light:0 6px 18px rgba(26,24,48,.08);
  --shadow-hover:0 14px 34px rgba(26,24,48,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.4}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

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

/* ---------- header ---------- */
.site-header{position:relative;z-index:30;background:var(--ink)}
.status-bar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06);font-size:13px;line-height:22px;color:var(--dim-dark)}
.status-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.status-bar__left,.status-bar__right{display:flex;align-items:center;gap:18px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--aurora);box-shadow:0 0 0 3px rgba(63,216,194,.18);flex:none}
.nav-main{background:var(--panel);border-bottom:1px solid rgba(255,255,255,.06);padding:16px 0}
.nav-main__inner{display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:.2px;flex:none}
.logo__mark{width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,var(--indigo),#7C6BF5);display:flex;align-items:center;justify-content:center;flex:none;box-shadow:0 4px 14px rgba(91,75,232,.45)}
.logo__mark svg{width:20px;height:20px}
.nav-search{flex:1 1 auto;max-width:560px;min-width:220px}
.search{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:6px 6px 6px 16px;transition:border-color .2s ease,background .2s ease}
.search:focus-within{border-color:rgba(63,216,194,.6);background:rgba(255,255,255,.09)}
.search svg{width:18px;height:18px;color:var(--dim-dark);flex:none}
.search input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:15px;padding:8px 0}
.search input::placeholder{color:#7E7A9E}
.search button{flex:none;border:0;cursor:pointer;background:var(--indigo);color:#fff;font-size:14px;font-weight:600;padding:9px 20px;border-radius:999px;transition:filter .2s ease,transform .12s ease}
.search button:hover{filter:brightness(.94)}
.search button:active{transform:translateY(1px)}
.nav-actions{display:flex;align-items:center;gap:16px;flex:none}
.link-plain{color:#D8D5EC;font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.link-plain:hover{color:#fff;border-bottom-color:var(--gold)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);padding:12px 24px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:filter .2s ease,transform .12s ease,border-color .2s ease,background .2s ease,color .2s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 8px 22px rgba(91,75,232,.32)}
.btn-primary:hover{filter:brightness(.94)}
.btn-gold{background:var(--gold);color:#20180A;padding:10px 20px;box-shadow:0 8px 22px rgba(240,180,41,.24)}
.btn-gold:hover{filter:brightness(.94)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-ghost-light{background:#fff;color:var(--indigo);border-color:#DFDBF6}
.btn-ghost-light:hover{border-color:var(--indigo);background:#F4F2FE}
.btn:disabled{opacity:.4;pointer-events:none}
.nav-chips{background:var(--panel);border-bottom:1px solid rgba(255,255,255,.06);padding:10px 0}
.nav-chips__inner{display:flex;align-items:center;justify-content:center;gap:28px}
.chip{position:relative;color:var(--dim-dark);font-size:15px;padding:6px 2px;transition:color .2s ease}
.chip::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:center;transition:transform .2s ease}
.chip:hover{color:#fff}
.chip:hover::after,.chip.is-active::after{transform:scaleX(1)}
.chip.is-active{color:var(--gold)}

/* ---------- article head ---------- */
.page-head{position:relative;background:linear-gradient(180deg,rgba(11,10,26,.88),rgba(11,10,26,.96)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;padding:44px 0 96px;color:#fff}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--dim-dark);margin-bottom:22px}
.breadcrumb a{color:var(--dim-dark);transition:color .2s ease}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span.sep{opacity:.5}
.breadcrumb .current{color:#D8D5EC;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-head h1{font-size:40px;line-height:1.35;letter-spacing:.4px;max-width:920px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:22px;font-size:14px;color:var(--dim-dark)}
.article-meta .tag{display:inline-flex;align-items:center;gap:7px;background:rgba(91,75,232,.28);border:1px solid rgba(124,107,245,.5);color:#fff;border-radius:999px;padding:4px 14px;font-size:13px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--aurora);flex:none}

/* ---------- layout ---------- */
.article-shell{padding-bottom:80px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;margin-top:-72px;position:relative;z-index:5}
.article-card{background:var(--card);border-radius:var(--radius-xl);padding:48px;box-shadow:var(--shadow-light)}
.article-body{font-size:17px;line-height:1.9;color:var(--text);max-width:none}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:24px;line-height:1.5;margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--gold);scroll-margin-top:24px}
.article-body h3{font-size:19px;line-height:1.5;margin:1.7em 0 .6em;font-weight:700}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--aurora)}
.article-body ol li::marker{color:var(--indigo);font-weight:600}
.article-body blockquote{margin:1.5em 0;padding:18px 22px;border-left:3px solid var(--indigo);background:#F2F0FE;border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-soft)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--dim);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;display:block;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:1.5em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:#F4F3FB;font-weight:600}
.article-body a{color:var(--indigo);border-bottom:1px solid rgba(91,75,232,.35);transition:border-color .2s ease,color .2s ease}
.article-body a:hover{color:var(--indigo-deep);border-bottom-color:var(--gold)}
.article-body code{background:#F2F0FE;border-radius:6px;padding:2px 6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;color:var(--dim)}
.empty-state svg{width:44px;height:44px;color:#C9C5E4}
.empty-state strong{font-size:19px;color:var(--text);font-weight:700}
.empty-state p{font-size:15px}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px;align-self:start}
.side-card{background:var(--card);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-light)}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:15px;background:var(--gold);border-radius:2px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{display:block;font-size:14px;line-height:1.7;color:var(--dim);padding:6px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:color .2s ease,border-color .2s ease,background .2s ease}
.toc-list a:hover{color:var(--indigo);background:#F5F3FE}
.toc-list a.is-current{color:var(--indigo);border-left-color:var(--gold);background:#F7F5FF;font-weight:600}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;color:var(--text-soft);padding-bottom:12px;border-bottom:1px solid var(--line);transition:color .2s ease}
.hot-list li:last-child a{border-bottom:0;padding-bottom:0}
.hot-list a:hover{color:var(--indigo)}
.hot-list span{font-size:13px;color:var(--dim)}
.side-note{background:linear-gradient(160deg,var(--panel),#1E1B3C);color:var(--dim-dark);border-radius:var(--radius-lg);padding:24px;font-size:14px;line-height:1.8}
.side-note strong{display:block;color:#fff;font-size:16px;margin-bottom:8px}
.side-note .btn{margin-top:16px;width:100%}

/* ---------- related ---------- */
.section{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.4;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:3px;height:26px;background:var(--gold);border-radius:2px;flex:none}
.section-head p{color:var(--dim);font-size:15px;margin-top:8px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-light);border:1px solid transparent;display:flex;flex-direction:column;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(91,75,232,.4)}
.card__cover{position:relative;aspect-ratio:16/10;background:#ECEAF6;overflow:hidden}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__cover img{transform:scale(1.03)}
.card__tag{position:absolute;left:12px;top:12px;background:rgba(91,75,232,.88);color:#fff;font-size:12px;padding:4px 12px;border-radius:999px;backdrop-filter:blur(2px)}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body p{font-size:15px;line-height:1.8;color:var(--dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--dim)}
.card__foot .arrow{color:var(--indigo);font-weight:700;transition:transform .2s ease}
.card:hover .card__foot .arrow{transform:translateX(4px)}

/* ---------- back link ---------- */
.back-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 28px;box-shadow:var(--shadow-light)}
.back-row strong{display:block;font-size:17px;margin-bottom:6px}
.back-row p{font-size:15px;color:var(--dim)}

/* ---------- cta ---------- */
.cta{position:relative;background:linear-gradient(160deg,rgba(11,10,26,.92),rgba(21,19,43,.96)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;color:#fff;border-radius:24px;padding:56px;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(240,180,41,.16),transparent 46%);pointer-events:none}
.cta__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta h2{font-size:30px;line-height:1.4}
.cta p{color:var(--dim-dark);font-size:16px;margin-top:14px;max-width:520px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{flex:1 1 220px;min-width:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-md);padding:14px 16px;color:#fff;font-size:15px;outline:none;transition:border-color .2s ease}
.cta-form input::placeholder{color:#8D89AC}
.cta-form input:focus{border-color:var(--aurora)}
.cta-form .btn{flex:none}
.cta-hint{width:100%;font-size:13px;color:#8D89AC}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--dim-dark);padding:64px 0 32px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{line-height:1.9;font-size:14px;color:#928EAF;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:#A6A2C4;font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#7E7A9E}

@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
}
@media (max-width:992px){
  .nav-main__inner{flex-wrap:wrap;gap:16px}
  .nav-search{order:3;flex-basis:100%;max-width:none}
  .nav-actions{margin-left:auto}
  .article-layout{grid-template-columns:minmax(0,1fr);margin-top:-64px}
  .side{position:static}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta__inner{grid-template-columns:1fr;gap:28px}
  .cta{padding:44px 32px}
  .page-head h1{font-size:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .status-bar__right{display:none}
  .nav-chips__inner{justify-content:flex-start;gap:22px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px;scrollbar-width:none}
  .nav-chips__inner::-webkit-scrollbar{display:none}
  .chip{white-space:nowrap;padding:10px 2px}
  .page-head{padding:32px 0 84px}
  .page-head h1{font-size:28px;line-height:1.4}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-card{padding:24px 20px;border-radius:var(--radius-lg)}
  .article-body h2{font-size:21px}
  .article-layout{margin-top:-64px;gap:20px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .cta{border-radius:18px;padding:36px 22px}
  .cta h2{font-size:24px}
  .back-row{flex-direction:column;align-items:flex-start;padding:20px}
}
@media (max-width:576px){
  .logo{font-size:15px}
  .logo__mark{width:30px;height:30px}
  .nav-actions .link-plain{display:none}
  .search{padding-left:13px}
  .search button{padding:9px 15px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:none}
  .article-meta{gap:10px 16px}
}

/* roulang page: category1 */
:root{
  --brand:#5B4BE8;
  --brand-deep:#4436C9;
  --gold:#F0B429;
  --gold-deep:#D89B12;
  --cyan:#3FD8C2;
  --ink:#0B0A1A;
  --panel:#15132B;
  --surface:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1830;
  --muted:#6B6885;
  --muted-dark:#A6A2C4;
  --danger:#E5484D;
  --line:rgba(26,24,48,.10);
  --line-strong:rgba(26,24,48,.16);
  --line-dark:rgba(255,255,255,.08);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 6px 18px rgba(26,24,48,.08);
  --sh-card-hover:0 14px 32px rgba(26,24,48,.14);
  --sh-dark:0 8px 24px rgba(11,10,26,.45);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;--sp-7:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--surface);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(91,75,232,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.nowrap{white-space:nowrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .16s ease,filter .16s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:hover{filter:brightness(.94)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(91,75,232,.28)}
.btn-gold{background:var(--gold);color:#241E05;box-shadow:0 8px 20px rgba(240,180,41,.26)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);filter:none}
.btn-outline{background:transparent;color:var(--brand);border-color:rgba(91,75,232,.42)}
.btn-outline:hover{background:rgba(91,75,232,.07);filter:none}
.btn-sm{padding:10px 20px;font-size:15px}

.link-plain{color:rgba(255,255,255,.82);font-size:15px;padding:8px 4px;border-bottom:2px solid transparent}
.link-plain:hover{color:var(--gold);border-bottom-color:var(--gold)}
.link-inline{color:var(--brand);border-bottom:2px solid transparent;font-weight:600}
.link-inline:hover{color:var(--gold-deep);border-bottom-color:var(--gold)}

/* ============ 顶部状态条 ============ */
.site-header{position:relative;z-index:60;background:var(--ink);color:#fff;box-shadow:var(--sh-dark)}
.status-bar{background:rgba(255,255,255,.02);border-bottom:1px solid var(--line-dark);font-size:14px;line-height:22px;color:var(--muted-dark)}
.status-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.status-bar__left{display:flex;align-items:center;gap:8px;min-width:0}
.status-bar__left span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.status-bar__right{display:flex;align-items:center;gap:20px;flex-shrink:0}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px rgba(63,216,194,.16);flex-shrink:0}

/* ============ 主导航 ============ */
.nav-main{border-bottom:1px solid var(--line-dark)}
.nav-main__inner{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#7A6BF0);box-shadow:0 6px 16px rgba(91,75,232,.42);
}
.logo__mark svg{width:20px;height:20px}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}

.nav-search{flex:1;display:flex;justify-content:center;min-width:0}
.search{
  position:relative;display:flex;align-items:center;width:100%;max-width:520px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);padding:4px 4px 4px 16px;
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.search:focus-within{border-color:var(--cyan);background:rgba(255,255,255,.09);box-shadow:0 0 0 3px rgba(63,216,194,.16)}
.search>svg{width:18px;height:18px;color:var(--muted-dark);flex-shrink:0}
.search input{
  flex:1;min-width:0;border:0;background:transparent;color:#fff;padding:10px 12px;font-size:15px;outline:none;
}
.search input::placeholder{color:rgba(166,162,196,.85)}
.search button{
  border:0;background:var(--brand);color:#fff;border-radius:var(--r-pill);
  padding:9px 20px;font-size:15px;font-weight:600;cursor:pointer;flex-shrink:0;
  transition:filter .16s ease,transform .16s ease;
}
.search button:hover{filter:brightness(.92)}
.search button:active{transform:translateY(1px)}

.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}

/* ============ 分类 chips ============ */
.nav-chips{border-bottom:1px solid var(--line-dark);background:rgba(255,255,255,.02)}
.nav-chips__inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none}
.nav-chips__inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-pill);font-size:15px;color:var(--muted-dark);
  border:1px solid transparent;transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.chip:hover{color:#fff;background:rgba(255,255,255,.06)}
.chip.is-active{background:var(--gold);color:#241E05;font-weight:600}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:64px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 12% 22%, rgba(255,255,255,.06) 0 1.2px, transparent 1.6px) 0 0/26px 26px,
    linear-gradient(180deg, rgba(11,10,26,.86), rgba(11,10,26,.93));
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:80px;
  background:linear-gradient(180deg, rgba(11,10,26,0), rgba(11,10,26,.85));
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:var(--muted-dark);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--muted-dark)}
.crumbs a:hover{color:var(--brand);color:#B9AFFF}
.crumbs span{color:rgba(255,255,255,.5)}
.crumbs .current{color:#fff}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;line-height:20px;letter-spacing:.3px;
  background:rgba(91,75,232,.22);border:1px solid rgba(91,75,232,.5);color:#CFC8FF;
}
.tag-gold{background:rgba(240,180,41,.16);border-color:rgba(240,180,41,.45);color:#F6D98A}

h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:.4px;
  max-width:900px;margin-bottom:20px;
}
.hero-sub{max-width:720px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 26px;padding-top:24px;border-top:1px solid var(--line-dark)}
.trust-item{display:flex;align-items:center;gap:9px;font-size:15px;color:rgba(255,255,255,.8)}
.trust-item i{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex-shrink:0}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-tint{background:#FFFFFF}
.section-head{margin-bottom:40px;max-width:760px}
.section-title{
  position:relative;font-size:30px;line-height:1.33;font-weight:700;padding-left:18px;margin-bottom:14px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:2px;border-radius:2px;background:var(--gold);
}
.section-num{
  display:block;font-size:13px;letter-spacing:2px;color:var(--brand);font-weight:700;margin-bottom:8px;
}
.section-desc{font-size:16px;line-height:1.9;color:var(--muted)}

/* ============ 数据条 ============ */
.stats-strip{
  background:var(--panel);border-radius:var(--r-card);color:#fff;
  padding:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border:1px solid var(--line-dark);box-shadow:var(--sh-dark);
  margin-top:-40px;position:relative;z-index:5;
}
.stat-item{padding-right:16px;border-right:1px solid var(--line-dark)}
.stat-item:last-child{border-right:0;padding-right:0}
.stat-num{font-size:28px;font-weight:700;color:var(--gold);letter-spacing:.5px;line-height:1.3}
.stat-label{font-size:15px;color:var(--muted-dark);line-height:1.7}

/* ============ 时间线布局 ============ */
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}

.timeline{position:relative;padding-left:54px}
.timeline::before{
  content:"";position:absolute;left:17px;top:14px;bottom:26px;width:1px;
  background:linear-gradient(180deg,rgba(91,75,232,.7),rgba(240,180,41,.55));
}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-54px;top:2px;width:34px;height:34px;border-radius:50%;
  background:var(--panel);border:1px solid rgba(240,180,41,.55);
  box-shadow:0 0 0 4px rgba(91,75,232,.14);
}
.tl-num{
  position:absolute;left:-54px;top:2px;width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.5px;
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(91,75,232,.4)}
.tl-card h3{font-size:22px;line-height:1.45;font-weight:700;margin-bottom:10px}
.tl-card p{color:var(--muted);font-size:16px;line-height:1.9}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-meta span{
  font-size:13px;line-height:20px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(91,75,232,.08);color:var(--brand);border:1px solid rgba(91,75,232,.2);
}

/* ============ 速览卡 ============ */
.aside-card{
  position:sticky;top:28px;
  background:var(--panel);color:#fff;border-radius:var(--r-card);
  border:1px solid var(--line-dark);box-shadow:var(--sh-dark);padding:28px;
}
.aside-card h3{font-size:20px;font-weight:700;line-height:1.5;margin-bottom:6px}
.aside-card .aside-note{font-size:14px;line-height:1.8;color:var(--muted-dark);margin-bottom:20px}
.aside-block{padding:18px 0;border-top:1px solid var(--line-dark)}
.aside-block:first-of-type{border-top:0;padding-top:0}
.aside-block h4{font-size:15px;font-weight:600;color:var(--gold);margin-bottom:10px;letter-spacing:.3px}
.aside-list li{position:relative;padding-left:16px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:8px}
.aside-list li:last-child{margin-bottom:0}
.aside-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.aside-card .btn{width:100%;margin-top:22px}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-card);background:#EDEBF6;
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:14px;color:#fff;
  background:linear-gradient(180deg,rgba(11,10,26,0),rgba(11,10,26,.82));
}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line-strong);
  font-size:16px;line-height:1.9;color:var(--muted);
}
.check-list li:last-child{border-bottom:0}
.check-list .mk{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;margin-top:5px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,75,232,.1);color:var(--brand);font-size:13px;font-weight:700;
}
.check-list strong{color:var(--text)}

/* ============ 排查列表 ============ */
.issue-table{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
}
.issue-row{
  display:grid;grid-template-columns:220px minmax(0,1fr);
  gap:24px;padding:24px 28px;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.issue-row:last-child{border-bottom:0}
.issue-row:hover{background:rgba(91,75,232,.035)}
.issue-sym{display:flex;align-items:flex-start;gap:10px;font-weight:600;font-size:16px;line-height:1.8}
.issue-sym i{width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:11px;flex-shrink:0}
.issue-steps{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--muted);font-size:15px;line-height:1.9}
.issue-steps .arrow{color:rgba(107,104,133,.6);font-size:13px}
.issue-steps .step-pill{
  padding:5px 13px;border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--line);color:var(--text);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-card);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(91,75,232,.3)}
.faq-item.is-open{border-color:rgba(240,180,41,.55);box-shadow:0 10px 26px rgba(26,24,48,.1)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 56px 20px 20px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.7;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;transition:background-color .2s ease;
}
.faq-item.is-open .faq-q::before{background:var(--gold)}
.faq-q .faq-idx{color:var(--brand);font-weight:700;font-size:15px;flex-shrink:0}
.faq-q .faq-sign{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;background:rgba(91,75,232,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-sign{transform:translateY(-50%) rotate(45deg);background:var(--gold);color:#241E05}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 24px 22px 49px;font-size:16px;line-height:1.9;color:var(--muted)}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;color:#fff;border-radius:22px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;
  box-shadow:var(--sh-dark);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,10,26,.94),rgba(21,19,43,.82));
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:12px;padding-left:0}
.cta-band h2::before{display:none}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.9;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--muted-dark);padding:72px 0 0;margin-top:0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:15px;line-height:1.9;color:var(--muted-dark);max-width:360px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.3px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:15px;line-height:1.7;color:var(--muted-dark);border-bottom:1px solid transparent}
.footer-col a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.6)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:14px;color:rgba(166,162,196,.75);
}

/* ============ 星轨分隔 ============ */
.orbit-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(91,75,232,.35),rgba(240,180,41,.45),transparent);margin:0 auto;max-width:1200px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 22px}
  .guide-layout{grid-template-columns:minmax(0,1fr) 312px;gap:36px}
}
@media (max-width:992px){
  .nav-main__inner{flex-wrap:wrap;height:auto;padding:14px 0;gap:14px}
  .nav-search{order:3;flex-basis:100%;max-width:none}
  .search{max-width:none}
  .nav-actions{margin-left:auto}
  .page-hero{padding:48px 0 52px}
  h1{font-size:32px}
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .guide-layout{grid-template-columns:minmax(0,1fr)}
  .aside-card{position:static}
  .split{grid-template-columns:minmax(0,1fr);gap:32px}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:20px;padding:26px;margin-top:-28px}
  .stat-item:nth-child(2){border-right:0}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 32px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  h1{font-size:28px;line-height:1.3}
  .section-title{font-size:24px}
  .section{padding:48px 0}
  .status-bar__right{display:none}
  .nav-chips__inner{height:48px;padding-right:40px}
  .nav-chips__inner::after{content:"";width:24px;flex-shrink:0}
  .timeline{padding-left:44px}
  .timeline::before{left:14px}
  .tl-item::before,.tl-num{left:-44px;width:28px;height:28px}
  .tl-num{font-size:12px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:19px}
  .issue-row{grid-template-columns:minmax(0,1fr);gap:12px;padding:20px}
  .faq-q{font-size:16px;padding:18px 52px 18px 18px}
  .faq-a p{padding:0 18px 20px 18px}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-band h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:52px}
}
@media (max-width:576px){
  .container{padding:0 18px}
  .logo__text{font-size:16px}
  .search button{padding:9px 14px;font-size:14px}
  .stats-strip{grid-template-columns:1fr;gap:16px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line-dark);padding-bottom:14px;padding-right:0}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .trust-row{gap:8px 18px}
  .issue-steps{gap:6px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --indigo:#5B4BE8;
  --indigo-deep:#4A3BD6;
  --gold:#F0B429;
  --gold-soft:rgba(240,180,41,.08);
  --cyan:#3FD8C2;
  --ink:#0B0A1A;
  --panel:#15132B;
  --surface:#F7F6FB;
  --card:#FFFFFF;
  --text:#1A1830;
  --muted:#6B6885;
  --muted-dark:#A6A2C4;
  --line:rgba(26,24,48,.10);
  --line-soft:rgba(26,24,48,.06);
  --line-dark:rgba(255,255,255,.06);
  --danger:#E5484D;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 6px 18px rgba(26,24,48,.08);
  --sh-card-hover:0 14px 32px rgba(26,24,48,.12);
  --sh-dark:0 8px 24px rgba(11,10,26,.45);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:72px;
  --sp-7:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:separate;border-spacing:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.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;
  padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 6px 16px rgba(91,75,232,.28);}
.btn-primary:hover{background:var(--indigo-deep);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(91,75,232,.24);}
.btn-gold{background:var(--gold);color:#2A1E02;}
.btn-gold:hover{filter:brightness(.94);transform:translateY(-1px);}
.btn-gold:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}
.btn-outline{background:#fff;color:var(--indigo);border:1px solid rgba(91,75,232,.35);}
.btn-outline:hover{border-color:var(--indigo);background:rgba(91,75,232,.06);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-plain{font-size:15px;color:var(--muted-dark);transition:color .18s ease;}
.link-plain:hover{color:#fff;}

/* ============ 顶部状态条 ============ */
.status-bar{
  background:var(--ink);
  color:var(--muted-dark);
  font-size:13px;
  line-height:36px;
  border-bottom:1px solid var(--line-dark);
}
.status-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.status-bar__left{display:flex;align-items:center;gap:8px;}
.status-bar__right{display:flex;align-items:center;gap:20px;}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(63,216,194,.16);flex:0 0 auto;
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:22px 22px;
  box-shadow:0 10px 30px rgba(11,10,26,.35);
}
.nav-main{border-bottom:1px solid var(--line-dark);}
.nav-main__inner{display:flex;align-items:center;gap:24px;height:76px;}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--indigo),#8A6CF0);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(91,75,232,.4);
}
.logo__mark svg{width:20px;height:20px;}
.logo__text{
  font-size:17px;font-weight:700;color:#fff;letter-spacing:.3px;
}

.nav-search{flex:1 1 44%;max-width:46%;min-width:220px;}
.search{
  position:relative;display:flex;align-items:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-pill);
  padding:5px 5px 5px 16px;
  transition:border-color .18s ease,background-color .18s ease;
}
.search:focus-within{border-color:rgba(63,216,194,.6);background:rgba(255,255,255,.1);}
.search svg{width:18px;height:18px;color:var(--muted-dark);flex:0 0 auto;}
.search input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  color:#fff;font-size:15px;padding:8px 12px;
}
.search input::placeholder{color:rgba(166,162,196,.8);}
.search button{
  flex:0 0 auto;padding:8px 20px;border-radius:var(--r-pill);
  background:var(--indigo);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s ease;
}
.search button:hover{background:var(--indigo-deep);}

.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}

.nav-chips{border-top:1px solid transparent;}
.nav-chips__inner{display:flex;align-items:center;gap:6px;height:50px;overflow-x:auto;scrollbar-width:none;}
.nav-chips__inner::-webkit-scrollbar{display:none;}
.chip{
  position:relative;display:inline-block;flex:0 0 auto;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--muted-dark);
  transition:color .18s ease,background-color .18s ease;
}
.chip:hover{color:#fff;background:rgba(255,255,255,.06);}
.chip.is-active{color:#fff;background:rgba(240,180,41,.12);}
.chip.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--gold);border-radius:2px;
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(11,10,26,.94) 0%,rgba(11,10,26,.78) 46%,rgba(21,19,43,.7) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:var(--sp-6) 0 var(--sp-6);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;
}
.hero__inner{position:relative;z-index:2;max-width:820px;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(240,180,41,.12);
  border:1px solid rgba(240,180,41,.3);
  color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:22px;
}
.hero h1{
  font-size:40px;line-height:1.35;font-weight:800;letter-spacing:.2px;
  margin-bottom:18px;
}
.hero__sub{
  font-size:17px;line-height:1.9;color:var(--muted-dark);max-width:640px;
  margin-bottom:30px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-row{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-top:24px;border-top:1px solid var(--line-dark);
}
.trust-row li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--muted-dark);
}
.trust-row li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);flex:0 0 auto;
}

/* ============ 星轨分隔 ============ */
.arc-divider{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(91,75,232,.35),rgba(240,180,41,.45),rgba(91,75,232,.35),transparent);
}

/* ============ 板块 ============ */
.section{padding:var(--sp-6) 0;}
.section--tight{padding:var(--sp-5) 0;}
.section--dark{
  background:var(--ink);color:#fff;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{margin-bottom:var(--sp-4);}
.section-head__num{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--gold);
  letter-spacing:1.5px;margin-bottom:10px;
}
.section-head__num::before{
  content:"";width:2px;height:14px;background:var(--gold);border-radius:2px;
}
.section-head h2{font-size:30px;line-height:1.4;font-weight:800;}
.section-head p{margin-top:12px;color:var(--muted);max-width:700px;font-size:16px;}
.section--dark .section-head p{color:var(--muted-dark);}

/* ============ 对比表 ============ */
.compare-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);box-shadow:var(--sh-card);
  overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
.compare-scroll::-webkit-scrollbar{height:8px;}
.compare-scroll::-webkit-scrollbar-thumb{background:rgba(26,24,48,.18);border-radius:8px;}
table.compare{width:100%;min-width:820px;font-size:15px;}
.compare th,.compare td{
  padding:15px 18px;text-align:center;
  border-bottom:1px solid var(--line-soft);
  white-space:nowrap;
}
.compare thead th{
  font-size:14px;font-weight:700;color:var(--text);
  background:#fff;position:sticky;top:0;z-index:3;
  border-bottom:1px solid var(--line);
}
.compare thead th.col-star{border-top:2px solid var(--gold);background:rgba(240,180,41,.09);}
.compare tbody th{
  text-align:left;font-weight:500;color:var(--text);
  position:sticky;left:0;z-index:2;background:var(--card);
  border-right:1px solid var(--line-soft);font-size:15px;
}
.compare tbody td.col-star{background:var(--gold-soft);}
.compare tbody tr:hover th,
.compare tbody tr:hover td{background:#FBFAFF;}
.compare tbody tr:hover td.col-star{background:rgba(240,180,41,.12);}
.compare tr:last-child th,.compare tr:last-child td{border-bottom:none;}
.mark-yes{display:inline-flex;align-items:center;justify-content:center;color:var(--indigo);font-weight:700;}
.mark-no{color:#C6C3D6;font-weight:600;}
.tag-part{
  display:inline-block;padding:2px 10px;border-radius:var(--r-pill);
  background:rgba(91,75,232,.1);color:var(--indigo);font-size:12px;font-weight:600;
}
.scroll-hint{
  display:none;font-size:13px;color:var(--muted);
  padding:10px 18px;border-top:1px solid var(--line-soft);
}

/* ============ 双栏：等级卡 + 权益明细 ============ */
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:var(--sp-4);align-items:start;}

.tier-list{display:flex;flex-direction:column;gap:16px;}
.tier-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:22px 22px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(91,75,232,.4);}
.tier-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.tier-card__name{font-size:19px;font-weight:800;}
.tier-card__badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:var(--gold);
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(240,180,41,.1);border:1px solid rgba(240,180,41,.3);
}
.tier-card__badge svg{width:12px;height:12px;}
.tier-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:12px;}
.tier-card ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.9;
}
.tier-card ul li::before{
  content:"";position:absolute;left:0;top:.85em;
  width:6px;height:6px;border-radius:50%;background:var(--indigo);
}
.tier-card--t1{min-height:150px;}
.tier-card--t2{min-height:164px;}
.tier-card--t3{min-height:180px;border-color:rgba(240,180,41,.4);background:linear-gradient(180deg,#FFFDF6,#FFFFFF 60%);}
.tier-card--t4{min-height:198px;border-color:rgba(240,180,41,.55);background:linear-gradient(180deg,#FFF9E9,#FFFFFF 62%);}
.tier-card--t3 .tier-card__name,.tier-card--t4 .tier-card__name{color:#4A3808;}

.collapse-group{display:flex;flex-direction:column;gap:14px;}
details.acc{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease;
}
details.acc[open]{border-color:rgba(91,75,232,.35);}
details.acc summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;font-size:16px;font-weight:700;cursor:pointer;
  list-style:none;
}
details.acc summary::-webkit-details-marker{display:none;}
details.acc summary::after{
  content:"";width:10px;height:10px;flex:0 0 auto;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .2s ease;
}
details.acc[open] summary::after{transform:rotate(-135deg);border-color:var(--indigo);}
details.acc summary:hover{color:var(--indigo);}
.acc__body{
  padding:0 22px 20px;border-top:1px solid var(--line-soft);
  margin-top:0;
}
.acc__body dl{margin:0;padding-top:14px;}
.acc__body dt{font-size:15px;font-weight:600;margin-top:12px;}
.acc__body dt:first-child{margin-top:0;}
.acc__body dd{margin:4px 0 0;font-size:14px;color:var(--muted);line-height:1.85;}

/* ============ 等级亮点卡 ============ */
.grade-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.grade-card{
  position:relative;background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-dark);
  transition:transform .2s ease,border-color .2s ease;
}
.grade-card:hover{transform:translateY(-3px);border-color:rgba(240,180,41,.4);}
.grade-card__rank{
  font-size:13px;font-weight:700;color:var(--gold);letter-spacing:1.5px;margin-bottom:12px;
}
.grade-card h3{font-size:20px;font-weight:800;margin-bottom:10px;}
.grade-card p{font-size:14px;color:var(--muted-dark);line-height:1.85;margin-bottom:16px;}
.grade-card ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted-dark);line-height:1.9;
}
.grade-card ul li::before{
  content:"";position:absolute;left:0;top:.8em;
  width:6px;height:6px;border-radius:50%;background:var(--cyan);
}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.scene-tags span{
  font-size:12px;color:var(--muted-dark);
  border:1px solid var(--line-dark);border-radius:var(--r-pill);
  padding:3px 11px;
}

/* ============ 流程时间线 ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;}
.flow::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(91,75,232,.5),rgba(240,180,41,.5),rgba(91,75,232,.5));
}
.flow-step{position:relative;padding-top:56px;}
.flow-step__dot{
  position:absolute;top:8px;left:0;
  width:30px;height:30px;border-radius:50%;
  background:var(--ink);border:1px solid rgba(240,180,41,.5);
  color:var(--gold);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.flow-step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted-dark);line-height:1.85;}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(91,75,232,.4);}
.scene-card__cover{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEBF5;
}
.scene-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.scene-card:hover .scene-card__cover img{transform:scale(1.03);}
.scene-card__tag{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(91,75,232,.88);color:#fff;font-size:12px;font-weight:600;
}
.scene-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.scene-card__body h3{font-size:18px;font-weight:700;margin-bottom:8px;line-height:1.5;}
.scene-card__body p{font-size:14px;color:var(--muted);line-height:1.85;flex:1;}
.scene-card__foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.scene-card__foot a{color:var(--indigo);font-weight:600;}
.scene-card__foot a:hover{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px;text-decoration-thickness:2px;}

/* ============ FAQ ============ */
.faq{max-width:760px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:14px;margin-bottom:14px;overflow:hidden;
  position:relative;transition:border-color .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--gold);transition:width .2s ease;
}
.faq-item.is-open{border-color:rgba(240,180,41,.5);}
.faq-item.is-open::before{width:3px;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;
  line-height:1.7;transition:color .18s ease;
}
.faq-q:hover{color:var(--indigo);}
.faq-q__num{
  flex:0 0 auto;color:var(--gold);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.faq-q__ico{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:transform .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q__ico{transform:rotate(45deg);color:var(--indigo);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .2s ease;
}
.faq-a__inner{
  padding:0 22px 20px 58px;font-size:15px;color:var(--muted);line-height:1.9;
}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-color:var(--panel);
  background-image:linear-gradient(115deg,rgba(21,19,43,.94),rgba(11,10,26,.9)),
                   url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:var(--sp-6) 0;
}
.cta-band__inner{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);
  gap:var(--sp-5);align-items:center;position:relative;z-index:2;
}
.cta-band h2{font-size:30px;line-height:1.45;font-weight:800;margin-bottom:14px;}
.cta-band p{color:var(--muted-dark);font-size:16px;max-width:560px;}
.cta-form{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-dark);
}
.cta-form label{display:block;font-size:14px;color:var(--muted-dark);margin-bottom:8px;}
.cta-form input,.cta-form select{
  width:100%;padding:12px 14px;border-radius:12px;
  background:rgba(11,10,26,.6);border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input::placeholder{color:rgba(166,162,196,.7);}
.cta-form input:focus,.cta-form select:focus{
  border-color:var(--cyan);box-shadow:0 0 0 3px rgba(63,216,194,.16);
}
.cta-form select option{color:#111;}
.cta-form__row{margin-bottom:16px;}
.cta-form .btn-primary{width:100%;padding:13px 22px;}
.form-note{font-size:13px;color:var(--muted-dark);margin-top:12px;line-height:1.7;}
.form-err{font-size:13px;color:var(--danger);margin-top:6px;display:none;}
.form-err.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:var(--muted-dark);
  padding:var(--sp-6) 0 var(--sp-3);
  border-top:1px solid var(--line-dark);
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,2.2fr) repeat(3,minmax(0,1fr));
  gap:var(--sp-4);padding-bottom:var(--sp-4);
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--muted-dark);max-width:340px;}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14px;color:var(--muted-dark);transition:color .18s ease;
}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding-top:22px;
  font-size:13px;color:rgba(166,162,196,.8);
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-dark);
  padding:16px 0 0;
}
.crumb a{color:var(--muted-dark);transition:color .18s ease;}
.crumb a:hover{color:var(--gold);}
.crumb span.sep{opacity:.5;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .grade-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow::before{display:none;}
}

@media (max-width:992px){
  .nav-main__inner{flex-wrap:wrap;height:auto;padding:14px 0 16px;gap:14px;}
  .nav-search{flex:1 1 100%;max-width:100%;order:3;min-width:0;}
  .nav-actions{margin-left:auto;}
  .split{grid-template-columns:1fr;}
  .cta-band__inner{grid-template-columns:1fr;gap:var(--sp-4);}
  .hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
}

@media (max-width:768px){
  body{font-size:16px;}
  .status-bar__right span:first-child{display:none;}
  .status-bar{font-size:12px;}
  .hero{padding:var(--sp-5) 0;}
  .hero h1{font-size:28px;line-height:1.4;}
  .hero__sub{font-size:15px;}
  .section{padding:var(--sp-5) 0;}
  .section-head h2{font-size:23px;}
  .section-head p{font-size:15px;}
  .scene-grid{grid-template-columns:1fr;}
  .grade-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:20px;}
  .scroll-hint{display:block;}
  .faq-a__inner{padding-left:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .compare thead th,.compare tbody th{font-size:14px;}
}

@media (max-width:576px){
  .container{padding:0 16px;}
  .logo__text{font-size:15px;}
  .nav-actions .link-plain{display:none;}
  .hero h1{font-size:24px;}
  .hero__cta .btn{width:100%;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{padding:16px 16px;font-size:15px;}
  .faq-q__ico{width:18px;height:18px;}
  .trust-row{gap:8px 18px;}
}

/* roulang page: category3 */
/* ===== 设计令牌 ===== */
:root{
  --indigo:#5B4BE8;
  --indigo-strong:#4B3CD6;
  --indigo-soft:rgba(91,75,232,.10);
  --gold:#F0B429;
  --gold-soft:rgba(240,180,41,.08);
  --aurora:#3FD8C2;
  --ink:#0B0A1A;
  --panel:#15132B;
  --surface:#F7F6FB;
  --white:#FFFFFF;
  --text:#1A1830;
  --muted:#6B6885;
  --muted-dark:#A6A2C4;
  --danger:#E5484D;
  --line:rgba(26,24,48,.10);
  --line-dark:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-sm:12px;
  --shadow-light:0 6px 18px rgba(26,24,48,.08);
  --shadow-dark:0 8px 24px rgba(11,10,26,.45);
  --container:1200px;
  --space:8px;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 容器与区块 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
main{display:block;}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section--dark{background:var(--ink);color:#fff;}
.section-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:40px;max-width:840px;}
.section-head__num{
  flex:none;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--gold);
  border:1px solid rgba(240,180,41,.4);
  border-radius:999px;
  padding:2px 10px;
  line-height:22px;
  margin-top:6px;
  font-variant-numeric:tabular-nums;
}
.section-head h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:-.01em;
  border-left:2px solid var(--gold);
  padding-left:14px;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8;}
.section--dark .section-head p{color:var(--muted-dark);}

.orbit-divider{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(91,75,232,.35),transparent);
  max-width:var(--container);
  margin:0 auto;
}
.orbit-divider--gold{background:linear-gradient(90deg,transparent,rgba(240,180,41,.30),transparent);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:12px 22px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 6px 16px rgba(91,75,232,.28);}
.btn-primary:hover{background:var(--indigo-strong);}
.btn-gold{background:var(--gold);color:#231A00;font-weight:700;}
.btn-gold:hover{background:#DCA31F;}
.btn-outline{border-color:rgba(255,255,255,.28);color:#fff;}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);}
.btn-ghost{border-color:var(--line);color:var(--text);background:#fff;}
.btn-ghost:hover{border-color:rgba(91,75,232,.5);color:var(--indigo);}
.btn-block{width:100%;}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ===== 顶部状态条 ===== */
.site-header{position:sticky;top:0;z-index:60;}
.status-bar{background:var(--ink);border-bottom:1px solid var(--line-dark);}
.status-bar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
  padding-top:6px;
  padding-bottom:6px;
  font-size:13px;
  line-height:1.6;
  color:var(--muted-dark);
}
.status-bar__left{display:flex;align-items:center;gap:10px;}
.status-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--aurora);
  box-shadow:0 0 0 4px rgba(63,216,194,.15);
  flex:none;
}
.status-bar__right{display:flex;align-items:center;gap:20px;white-space:nowrap;}

/* ===== 主导航 ===== */
.nav-main{background:var(--panel);border-bottom:1px solid var(--line-dark);}
.nav-main__inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
  padding-top:12px;
  padding-bottom:12px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;color:#fff;}
.logo__mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--indigo),#7A6BFF);
  display:inline-flex;align-items:center;justify-content:center;
  flex:none;
  box-shadow:0 4px 12px rgba(91,75,232,.45);
}
.logo__mark svg{width:20px;height:20px;}
.logo__text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.logo:hover .logo__text{color:var(--gold);}

.nav-search{flex:1 1 46%;max-width:46%;min-width:220px;}
.search{
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:5px 5px 5px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search svg{width:18px;height:18px;color:var(--muted-dark);flex:none;}
.search input{
  flex:1;min-width:0;
  background:transparent;border:0;outline:none;
  color:#fff;font-size:15px;line-height:1.5;
}
.search input::placeholder{color:#7E7AA3;}
.search button{
  flex:none;height:36px;padding:0 20px;
  border:0;border-radius:999px;
  background:var(--indigo);color:#fff;
  font-size:14px;font-weight:600;
  transition:background-color .18s ease;
}
.search button:hover{background:var(--indigo-strong);}
.search:focus-within{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(63,216,194,.16);}

.nav-actions{display:flex;align-items:center;gap:18px;flex:none;}
.link-plain{color:#E7E5F6;font-size:15px;font-weight:500;padding-bottom:2px;border-bottom:2px solid transparent;}
.link-plain:hover{color:var(--gold);border-bottom-color:var(--gold);}

/* ===== 分类 chips ===== */
.nav-chips{background:var(--panel);border-bottom:1px solid var(--line-dark);}
.nav-chips__inner{
  display:flex;align-items:center;gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips__inner::-webkit-scrollbar{display:none;}
.chip{
  flex:none;
  padding:12px 0 10px;
  font-size:15px;
  color:var(--muted-dark);
  border-bottom:2px solid transparent;
  white-space:nowrap;
}
.chip:hover{color:#fff;}
.chip.is-active{color:#fff;font-weight:600;border-bottom-color:var(--gold);}

/* ===== 内页 Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:64px 0 72px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.38;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,10,26,.72) 0%,rgba(11,10,26,.90) 62%,var(--ink) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:860px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted-dark);margin-bottom:22px;}
.breadcrumb a:hover{color:var(--gold);}
.breadcrumb span{color:#5D5A80;}
.page-hero__eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--gold);
  border:1px solid rgba(240,180,41,.35);
  border-radius:999px;
  padding:3px 14px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
}
.page-hero__desc{
  margin-top:18px;
  font-size:17px;
  line-height:1.9;
  color:#D6D3EA;
  max-width:40em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 26px;
  margin-top:36px;
  padding-top:22px;
  border-top:1px solid var(--line-dark);
  font-size:14px;
  color:var(--muted-dark);
}
.hero-facts li{display:flex;align-items:center;gap:9px;}
.hero-facts li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--aurora);
  flex:none;
}

/* ===== 搜索面板 ===== */
.search-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-light);
  padding:34px 36px 30px;
}
.search-panel__title{font-size:22px;line-height:1.5;font-weight:700;}
.search-panel__desc{margin-top:8px;color:var(--muted);font-size:15px;}
.search--light{
  margin-top:22px;
  background:var(--surface);
  border-color:var(--line);
  height:54px;
  padding-left:18px;
}
.search--light input{color:var(--text);}
.search--light input::placeholder{color:#9C99B3;}
.search--light svg{color:var(--muted);}
.search--light button{height:42px;padding:0 26px;}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;}
.hot-tags__label{font-size:13px;color:var(--muted);letter-spacing:.06em;}
.tag{
  display:inline-block;
  font-size:13px;
  line-height:1.6;
  padding:5px 14px;
  border-radius:999px;
  background:var(--indigo-soft);
  color:var(--indigo);
  border:1px solid rgba(91,75,232,.16);
  transition:background-color .18s ease,color .18s ease;
}
.tag:hover{background:var(--indigo);color:#fff;border-color:var(--indigo);}
.tag--gold{background:var(--gold-soft);color:#9A6E00;border-color:rgba(240,180,41,.32);}
.tag--gold:hover{background:var(--gold);color:#231A00;border-color:var(--gold);}

/* ===== FAQ 双栏 ===== */
.faq-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:48px;align-items:start;}
.faq-nav__inner{
  position:sticky;
  top:132px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-light);
  padding:22px 20px;
}
.faq-nav__title{font-size:13px;letter-spacing:.1em;color:var(--muted);margin-bottom:14px;}
.faq-nav ul{display:flex;flex-direction:column;gap:2px;}
.faq-nav a{
  display:block;
  font-size:15px;
  line-height:1.6;
  padding:9px 12px;
  border-radius:8px;
  color:var(--muted);
  border-left:2px solid transparent;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.faq-nav a:hover{color:var(--text);background:var(--surface);}
.faq-nav a.is-active{color:var(--text);font-weight:600;background:var(--gold-soft);border-left-color:var(--gold);}
.faq-nav .btn{margin-top:18px;}

.faq-group{margin-bottom:52px;scroll-margin-top:150px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group__head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px;}
.faq-group__head h3{font-size:22px;line-height:1.4;font-weight:700;}
.faq-group__count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

.faq-list{display:flex;flex-direction:column;gap:12px;max-width:800px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(91,75,232,.35);}
.faq-item.is-open{
  border-color:rgba(240,180,41,.45);
  box-shadow:inset 3px 0 0 var(--gold),var(--shadow-light);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  gap:14px;
  text-align:left;
  background:transparent;
  border:0;
  padding:18px 22px;
  min-height:56px;
  font-size:16px;
  font-weight:600;
  line-height:1.7;
  color:var(--text);
}
.faq-q__idx{
  flex:none;
  font-size:13px;
  font-weight:700;
  color:var(--muted);
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
  padding-top:3px;
}
.faq-q__icon{flex:none;width:18px;height:18px;color:var(--gold);margin-top:4px;}
.faq-q__text{flex:1;}
.faq-q__arrow{
  flex:none;width:16px;height:16px;margin-top:5px;
  color:var(--muted);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q__arrow{transform:rotate(180deg);color:var(--gold);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a__inner{
  padding:0 22px 22px 54px;
  font-size:15px;
  line-height:1.9;
  color:#403E58;
}
.faq-a__inner ol{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.faq-a__inner ol li{padding-left:18px;position:relative;}
.faq-a__inner ol li::before{
  content:"";
  position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;
  background:var(--aurora);
}
.faq-a__note{
  display:block;
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
  background:var(--surface);
  border-left:3px solid var(--indigo);
  border-radius:0 8px 8px 0;
  padding:10px 14px;
}

/* ===== 安全自查 ===== */
.check-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.media-16x10{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:linear-gradient(140deg,#E9E7F5,#DCD9EE);
  box-shadow:var(--shadow-light);
}
.media-16x10 img{width:100%;height:100%;object-fit:cover;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.check-list li{
  display:flex;gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  font-size:15px;
  line-height:1.75;
  box-shadow:0 2px 8px rgba(26,24,48,.04);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.check-list li:hover{transform:translateY(-2px);border-color:rgba(91,75,232,.4);box-shadow:var(--shadow-light);}
.check-list__mark{
  flex:none;width:22px;height:22px;margin-top:5px;
  border-radius:50%;
  background:var(--indigo-soft);
  color:var(--indigo);
  display:inline-flex;align-items:center;justify-content:center;
}
.check-list__mark svg{width:13px;height:13px;}
.check-list strong{font-weight:600;}

/* ===== 数据块 ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-light);
  border-top:2px solid transparent;
  transition:transform .18s ease,border-color .18s ease;
}
.stat-card:hover{transform:translateY(-2px);border-top-color:var(--gold);}
.stat-card__value{
  font-size:32px;
  font-weight:700;
  line-height:1.2;
  color:var(--indigo);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-card__label{margin-top:8px;font-size:15px;font-weight:600;}
.stat-card__desc{margin-top:6px;font-size:13px;line-height:1.8;color:var(--muted);}

/* ===== 相关入口卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:0 2px 10px rgba(26,24,48,.05);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(91,75,232,.4);box-shadow:var(--shadow-light);}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9E7F5;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__badge{
  position:absolute;left:12px;top:12px;
  font-size:12px;
  line-height:1.6;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(91,75,232,.86);
  color:#fff;
}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card__title{font-size:18px;line-height:1.55;font-weight:700;}
.card__desc{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);flex:1;}
.card__foot{
  margin-top:18px;padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card__arrow{width:16px;height:16px;color:var(--indigo);transition:transform .2s ease;}
.card:hover .card__arrow{transform:translateX(3px);}

/* ===== CTA 通栏 ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:72px 0;
}
.cta-band__bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.2;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,10,26,.94),rgba(21,19,43,.86));
}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:56px;align-items:center;}
.cta-band h2{font-size:30px;line-height:1.4;font-weight:700;border-left:2px solid var(--gold);padding-left:14px;}
.cta-band__desc{margin-top:16px;color:var(--muted-dark);font-size:15px;max-width:34em;}
.cta-form{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  padding:26px 26px 22px;
  box-shadow:var(--shadow-dark);
}
.cta-form label{display:block;font-size:14px;color:var(--muted-dark);margin-bottom:8px;}
.field{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(11,10,26,.55);
  color:#fff;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field::placeholder{color:#7E7AA3;}
.field:focus{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(63,216,194,.16);}
.field-error{display:none;margin-top:8px;font-size:13px;line-height:1.6;color:var(--danger);}
.field-error.is-show{display:block;}
.cta-form .btn{margin-top:16px;}
.cta-form__tip{margin-top:12px;font-size:13px;color:#7E7AA3;line-height:1.7;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:var(--muted-dark);max-width:32em;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted-dark);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;
  font-size:13px;
  color:#7E7AA3;
}
.footer-bottom .num{font-variant-numeric:tabular-nums;}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .faq-layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .cta-band__inner{grid-template-columns:minmax(0,1fr) 380px;gap:40px;}
}
@media (max-width:992px){
  .section{padding:56px 0;}
  .page-hero{padding:48px 0 56px;}
  .page-hero h1{font-size:34px;}
  .nav-main__inner{flex-wrap:wrap;gap:16px;padding-top:14px;padding-bottom:14px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0;}
  .nav-actions{margin-left:auto;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .faq-nav__inner{position:static;padding:18px;}
  .faq-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .faq-nav a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:14px;}
  .faq-nav a.is-active{border-color:var(--gold);background:var(--gold-soft);}
  .faq-nav .btn{margin-top:16px;}
  .check-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band__inner{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .status-bar__inner{flex-direction:column;align-items:flex-start;gap:6px;padding-top:10px;padding-bottom:10px;}
  .status-bar__right{gap:14px;white-space:normal;}
  .logo__text{font-size:16px;white-space:normal;}
  .nav-actions{gap:12px;}
  .nav-actions .link-plain{display:none;}
  .nav-chips__inner{gap:22px;}
  .chip{font-size:14px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;gap:10px;margin-bottom:28px;}
  .section-head__num{margin-top:0;}
  .section-head h2{font-size:24px;line-height:1.4;}
  .page-hero h1{font-size:28px;line-height:1.35;}
  .page-hero__desc{font-size:15px;}
  .hero-facts{gap:10px 18px;font-size:13px;}
  .search-panel{padding:24px 20px 22px;}
  .search--light{height:auto;flex-wrap:wrap;border-radius:16px;padding:8px 8px 8px 14px;gap:8px;}
  .search--light input{flex:1 1 100%;padding:8px 0;}
  .search--light button{flex:1 1 100%;height:44px;}
  .faq-a__inner{padding:0 18px 20px 18px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .stat-grid{grid-template-columns:minmax(0,1fr);}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:24px;}
  .cta-form{padding:20px 18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:576px){
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-card__value{font-size:28px;}
  .card__title{font-size:17px;}
}