/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#060A12;
  --bg2:#0D1524;
  --raised:#131E31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --jing:#1FB6C9;
  --jing-soft:rgba(31,182,201,.12);
  --jing-line:rgba(31,182,201,.45);
  --jin:#F2A33C;
  --jin-soft:rgba(242,163,60,.14);
  --jin-line:rgba(242,163,60,.5);
  --tx:#E8EEF7;
  --tx2:#A6B4C8;
  --tx3:#6E7F96;
  --ok:#3FBF8F;
  --r:16px;
  --r-sm:12px;
  --shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dock-h:64px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(31,182,201,.10), transparent 70%),
    radial-gradient(760px 460px at 92% 8%, rgba(242,163,60,.07), transparent 70%);
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--jing);outline-offset:2px;border-radius:6px}
::selection{background:rgba(31,182,201,.3);color:#fff}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--jin);color:#20140A;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
/* ============ 容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.container-narrow{width:100%;max-width:820px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container,.container-narrow{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.container,.container-narrow{padding-left:32px;padding-right:32px}}
main{position:relative;z-index:1}
.section{padding-top:64px;padding-bottom:64px}
@media(min-width:768px){.section{padding-top:88px;padding-bottom:88px}}
@media(min-width:1024px){.section{padding-top:112px;padding-bottom:112px}}
.section-tight{padding-top:52px;padding-bottom:52px}
/* ============ 檐线 / 门钉 ============ */
.rail{position:relative;width:56px;height:7px;margin-bottom:16px}
.rail::before{content:"";position:absolute;left:0;top:0;width:56px;height:1px;background:linear-gradient(90deg,var(--jing),rgba(31,182,201,0))}
.rail::after{content:"";position:absolute;left:0;top:6px;width:34px;height:1px;background:var(--line-strong)}
.studs{display:inline-flex;gap:6px;align-items:center}
.studs i{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.28);display:block}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--jing);text-transform:uppercase;font-weight:600;margin-bottom:10px}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--tx)}
.section-head p{margin-top:12px;color:var(--tx2);font-size:15px;line-height:1.85}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--jing);font-size:14px;font-weight:600;border-bottom:1px solid transparent;transition:color .18s var(--ease)}
.text-link .arrow{transition:transform .18s var(--ease)}
.text-link:hover{color:#5BD6E4}
.text-link:hover .arrow{transform:translateX(3px)}
/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 14px;pointer-events:none}
.dock{
  pointer-events:auto;
  width:100%;max-width:1100px;height:var(--dock-h);
  display:flex;align-items:center;gap:18px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(13,21,36,.78);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 16px 40px rgba(0,0,0,.42);
  transition:height .18s var(--ease),width .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.dock-wrap.is-compact .dock{height:56px;max-width:1032px;background:rgba(13,21,36,.92);border-color:var(--line-strong)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.dock-mark{width:22px;height:22px;border-radius:7px;border:1px solid var(--jing-line);background:linear-gradient(140deg,rgba(31,182,201,.35),rgba(242,163,60,.18));position:relative;flex:0 0 auto}
.dock-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:var(--jin);opacity:.85}
.dock-name{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14px;color:var(--tx2);border-radius:999px;white-space:nowrap;transition:color .18s var(--ease),background .18s var(--ease)}
.dock-links a:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.dock-links a.is-active{color:var(--tx);font-weight:600}
.dock-links a.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--jing)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:8px}
.dock-search{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--tx2);transition:all .18s var(--ease)}
.dock-search:hover{color:var(--jing);border-color:var(--jing-line);background:var(--jing-soft)}
.dock-toggle{display:none;width:38px;height:36px;border-radius:999px;border:1px solid var(--line);color:var(--tx2);align-items:center;justify-content:center}
.dock-toggle:hover{color:var(--jing);border-color:var(--jing-line)}
.dock-panel{pointer-events:auto;position:absolute;top:calc(var(--dock-h) + 10px);left:14px;right:14px;max-width:1100px;margin:0 auto;background:rgba(13,21,36,.97);border:1px solid var(--line);border-radius:20px;padding:12px;display:none;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.dock-panel.is-open{display:block}
.dock-panel a{display:block;padding:12px 14px;border-radius:12px;color:var(--tx2);font-size:15px}
.dock-panel a:hover,.dock-panel a.is-active{background:rgba(255,255,255,.05);color:var(--tx)}
@media(max-width:1023px){
  .dock-links{display:none}
  .dock-toggle{display:inline-flex}
  .dock-name{max-width:170px;font-size:14px}
}
@media(max-width:639px){
  .dock-wrap{top:12px;padding:0 10px}
  .dock{height:56px;padding:0 12px;gap:10px}
  .dock-panel{top:74px;left:10px;right:10px}
  .dock-name{max-width:126px;font-size:13px}
  .dock-actions .btn-dock-cta{display:none}
}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:13px 24px;border-radius:999px;border:1px solid transparent;transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--jin);color:#20140A;box-shadow:0 0 0 1px var(--jin-line),0 8px 28px rgba(242,163,60,.30)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px var(--jin-line),0 12px 36px rgba(242,163,60,.42)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--jing);border-color:var(--jing-line)}
.btn-ghost:hover{background:var(--jing-soft);box-shadow:0 0 0 1px rgba(31,182,201,.28),0 10px 26px rgba(31,182,201,.16)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.42;box-shadow:none;pointer-events:none}
/* ============ Hero ============ */
.hero{position:relative;padding-top:104px;padding-bottom:56px;overflow:hidden}
@media(min-width:768px){.hero{padding-top:124px;padding-bottom:72px}}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;z-index:0}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.86) 62%,var(--bg) 100%)}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.04;background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);background-size:56px 56px}
.hero-inner{position:relative;z-index:1}
.hero-card{
  background:rgba(19,30,49,.55);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow);
  padding:34px 24px;
}
@media(min-width:768px){.hero-card{padding:48px 44px}}
@media(min-width:1024px){.hero-card{padding:56px 56px}}
.brand-chip{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;border:1px solid rgba(31,182,201,.34);background:rgba(31,182,201,.10);color:#9FE7F0;font-size:12.5px;font-weight:600;letter-spacing:.02em;margin-bottom:20px}
.brand-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--jin);box-shadow:0 0 0 3px rgba(242,163,60,.18)}
.hero h1{font-size:clamp(30px,4.6vw,54px);font-weight:700;line-height:1.22;letter-spacing:-.01em;color:#FFFFFF;max-width:15em}
.hero h1 em{font-style:normal;color:var(--jin)}
.hero-sub{margin-top:18px;max-width:640px;color:var(--tx2);font-size:16px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.hero-metrics .m-num{font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--jin);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-metrics .m-txt{margin-top:6px;font-size:13px;color:var(--tx3)}
@media(max-width:639px){
  .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .hero-metrics .m-num{font-size:19px}
  .hero-metrics .m-txt{font-size:12px}
}
/* ============ 信任数据条 ============ */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(13,21,36,.65),rgba(6,10,18,.4))}
.trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.trust-cell{padding:26px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid .trust-cell:nth-child(2n){border-right:0}
@media(min-width:768px){
  .trust-grid .trust-cell{border-bottom:0}
  .trust-grid .trust-cell:nth-child(2n){border-right:1px solid var(--line)}
  .trust-grid .trust-cell:last-child{border-right:0}
}
.trust-num{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--tx);font-variant-numeric:tabular-nums;line-height:1.15}
.trust-num span{font-size:15px;color:var(--tx3);margin-left:4px;font-weight:500}
.trust-label{margin-top:8px;font-size:14px;color:var(--tx2)}
.trust-note{margin-top:6px;font-size:12.5px;color:var(--tx3)}
/* ============ 对比表 ============ */
.glass-panel{background:rgba(19,30,49,.55);border:1px solid rgba(255,255,255,.10);border-radius:var(--r);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow)}
.compare-wrap{display:none;overflow:visible}
@media(min-width:1024px){.compare-wrap{display:block}.compare-cards{display:none}}
.compare-scroll{overflow-x:auto;border-radius:var(--r);padding:0}
.compare-table{min-width:860px;font-size:14.5px}
.compare-table thead th{position:sticky;top:88px;z-index:6;background:rgba(13,21,36,.97);backdrop-filter:blur(10px);padding:20px 16px;text-align:center;font-weight:600;border-bottom:1px solid var(--line);vertical-align:top}
.compare-table thead th.row-label{text-align:left;width:30%;color:var(--tx2);font-weight:500;font-size:13.5px}
.plan-name{font-size:17px;font-weight:700;color:var(--tx)}
.plan-price{margin-top:8px;font-size:13px;color:var(--tx3);font-weight:400}
.plan-reco{position:relative;border-left:1px solid var(--jin-line);border-right:1px solid var(--jin-line)}
.plan-reco::before{content:"推荐";position:absolute;top:-1px;left:50%;transform:translateX(-50%);font-size:11px;font-weight:700;color:#20140A;background:var(--jin);padding:2px 12px;border-radius:0 0 8px 8px;letter-spacing:.06em}
.compare-table tbody td{padding:15px 16px;border-bottom:1px solid var(--line);text-align:center;color:var(--tx2)}
.compare-table tbody td.row-label{text-align:left;color:var(--tx);font-size:14px}
.compare-table tbody tr{transition:background .18s var(--ease)}
.compare-table tbody tr:hover{background:rgba(255,255,255,.03)}
.compare-table tbody tr:last-child td{border-bottom:0}
.mark{display:inline-block;vertical-align:middle}
.mark-yes{width:20px;height:20px;border-radius:50%;background:var(--jing-soft);border:1px solid var(--jing-line);position:relative}
.mark-yes::after{content:"";position:absolute;left:6px;top:4px;width:6px;height:11px;border-right:2px solid var(--jing);border-bottom:2px solid var(--jing);transform:rotate(42deg)}
.mark-no{width:16px;height:2px;border-radius:2px;background:rgba(255,255,255,.20)}
/* 卡片式对比（窄屏） */
.compare-cards{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;margin:0 -20px;padding-left:20px;padding-right:20px}
.compare-cards::-webkit-scrollbar{height:6px}
.compare-cards::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.plan-card{flex:0 0 82%;scroll-snap-align:start;background:var(--raised);border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;box-shadow:var(--shadow)}
.plan-card.is-reco{border-color:var(--jin-line)}
.plan-card h3{font-size:18px;font-weight:700;color:var(--tx)}
.plan-card .plan-threshold{margin-top:6px;font-size:13px;color:var(--jin);font-weight:600}
.plan-card ul{margin-top:16px;display:grid;gap:10px}
.plan-card li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--tx2);line-height:1.6}
.plan-card .mark-yes{flex:0 0 auto;margin-top:3px;width:16px;height:16px}
.plan-card .mark-yes::after{left:5px;top:3px;width:5px;height:9px}
.plan-card .btn{margin-top:20px}
@media(min-width:640px) and (max-width:1023px){.plan-card{flex:0 0 46%}}
/* ============ 等级卡 ============ */
.level-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.level-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.level-card{position:relative;background:rgba(19,30,49,.55);border:1px solid rgba(255,255,255,.10);border-radius:var(--r);padding:28px 22px;backdrop-filter:blur(14px);box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.level-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.level-badge{width:auto;display:inline-flex;align-items:center;gap:10px;padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:700;align-self:flex-start;letter-spacing:.04em}
.level-card.lv-1 .level-badge{color:var(--jing);border:1px solid var(--jing-line);background:var(--jing-soft)}
.level-card.lv-2 .level-badge{color:var(--jin);border:1px solid var(--jin-line);background:var(--jin-soft)}
.level-card.lv-3 .level-badge{color:#E6EDF5;border:1px solid var(--jin-line);background:rgba(230,237,245,.06)}
.level-card h3{margin-top:18px;font-size:21px;font-weight:700;color:var(--tx)}
.level-card .lv-desc{margin-top:8px;font-size:14px;color:var(--tx2);line-height:1.75}
.level-card ul{margin-top:20px;display:grid;gap:11px}
.level-card li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--tx2);line-height:1.7}
.level-card li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--jing);margin-top:9px}
.level-card.lv-2 li::before{background:var(--jin)}
.level-card.lv-3 li::before{background:#E6EDF5}
.level-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.level-price{font-size:26px;font-weight:700;color:var(--tx);font-variant-numeric:tabular-nums;line-height:1.2}
.level-price small{font-size:13px;color:var(--tx3);font-weight:500;margin-left:6px}
.level-card .btn{margin-top:16px}
@media(min-width:1024px){
  .level-card.lv-2{transform:translateY(-8px);border-color:var(--jin-line);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 26px 60px rgba(242,163,60,.16)}
  .level-card.lv-2:hover{transform:translateY(-10px)}
}
/* ============ 内容预览 ============ */
.preview-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:1024px){.preview-grid{grid-template-columns:7fr 5fr}}
.preview-main,.preview-side{display:grid;gap:20px}
.preview-card{position:relative;display:block;overflow:hidden;border-radius:var(--r);border:1px solid var(--line);background:var(--raised);transition:transform .18s var(--ease),border-color .18s var(--ease)}
.preview-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.preview-media{position:relative;width:100%;aspect-ratio:16/9;background:linear-gradient(140deg,#101a2b,#0a1120);overflow:hidden}
.preview-card.is-large .preview-media{aspect-ratio:16/8}
.preview-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.preview-card:hover .preview-media img{transform:scale(1.03)}
.preview-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,0) 30%,rgba(6,10,18,.92) 100%)}
.preview-body{position:relative;z-index:2;padding:18px;margin-top:-72px}
.preview-card.is-large .preview-body{padding:22px;margin-top:-86px}
.preview-tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--jing);background:rgba(6,10,18,.7);border:1px solid var(--jing-line)}
.preview-body h3{margin-top:12px;font-size:18px;font-weight:600;color:#fff;line-height:1.45}
.preview-card.is-large .preview-body h3{font-size:22px}
.preview-body p{margin-top:8px;font-size:13.5px;color:var(--tx2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lock{position:absolute;top:14px;right:14px;z-index:3;display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:600;color:#20140A;background:var(--jin)}
/* ============ CMS 资讯卡 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{display:flex;flex-direction:column;background:var(--raised);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease)}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 20px 44px rgba(0,0,0,.42)}
.news-thumb{width:100%;aspect-ratio:16/9;background:linear-gradient(140deg,#101a2b,#0a1120);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;flex:1;padding:18px}
.news-badge{align-self:flex-start;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--jing);background:var(--jing-soft);border:1px solid rgba(31,182,201,.28)}
.news-title{margin-top:12px;font-size:17px;font-weight:600;line-height:1.5;color:var(--tx);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:#fff}
.news-sum{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--tx2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--tx3);border-top:1px solid var(--line);margin-top:18px}
.news-meta .read{color:var(--jing);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:60px 20px;border:1px dashed var(--line-strong);border-radius:var(--r);background:rgba(13,21,36,.5);text-align:center}
.empty-state .empty-ico{width:52px;height:52px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--tx3);font-size:20px}
.empty-state p{font-size:14px;color:var(--tx2)}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--bg2);overflow:hidden;transition:border-color .18s var(--ease),background .18s var(--ease)}
.faq-item[open]{border-color:var(--jing-line);background:var(--raised)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:16.5px;font-weight:600;line-height:1.6;color:var(--tx)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{flex:0 0 auto;width:20px;height:20px;color:var(--tx3);transition:transform .2s var(--ease),color .2s var(--ease)}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--jing)}
.faq-item .faq-a{padding:0 20px 20px 20px;font-size:15px;line-height:1.85;color:var(--tx2);border-left:2px solid transparent}
.faq-item[open] .faq-a{border-left-color:var(--jing);margin-left:20px;padding-left:18px}
/* ============ CTA 面板 ============ */
.cta-panel{background:rgba(19,30,49,.6);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);backdrop-filter:blur(14px) saturate(120%);box-shadow:var(--shadow);padding:32px 24px;display:grid;gap:28px}
@media(min-width:1024px){.cta-panel{grid-template-columns:1.35fr 1fr;align-items:center;padding:48px 48px}}
.cta-panel h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.32;color:#fff}
.cta-panel .cta-desc{margin-top:14px;font-size:15px;color:var(--tx2);line-height:1.85;max-width:560px}
.cta-points{margin-top:20px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--tx2)}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--jin);margin-top:10px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-foot{margin-top:18px;font-size:12.5px;color:var(--tx3)}
/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:40px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(13,21,36,.7),rgba(6,10,18,.95))}
.site-footer::before{content:"";position:absolute;top:3px;left:0;right:0;height:1px;background:rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr}}
.footer-brand h3{font-size:17px;font-weight:700;color:var(--tx)}
.footer-brand p{margin-top:12px;font-size:13.5px;color:var(--tx2);line-height:1.85;max-width:320px}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--tx3);font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--tx2);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--jing);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:var(--tx2);display:flex;gap:8px;align-items:flex-start}
.footer-contact li strong{color:var(--tx);font-weight:600}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 34px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--tx3)}
.footer-bottom a{color:var(--tx3)}
.footer-bottom a:hover{color:var(--jing)}
/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#060A12;
  --surface:#0D1524;
  --surface-2:#131E31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --cyan:#1FB6C9;
  --cyan-soft:rgba(31,182,201,.12);
  --gold:#F2A33C;
  --gold-soft:rgba(242,163,60,.12);
  --text:#E8EEF7;
  --text-2:#A6B4C8;
  --text-3:#6E7F96;
  --ok:#3FBF8F;
  --warn:#E0B84A;
  --err:#E0685E;
  --radius:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  padding-top:100px;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1100px;z-index:200;
  transition:max-width 180ms var(--ease);
}
.dock{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  height:64px;padding:0 10px 0 18px;border-radius:999px;
  background:rgba(19,30,49,.72);
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
  transition:height 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.dock-wrap.is-scrolled .dock{height:58px;background:rgba(19,30,49,.86);border-color:var(--line-strong)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-mark{
  width:14px;height:14px;border-radius:4px;
  background:linear-gradient(135deg,var(--cyan),var(--gold));
  box-shadow:0 0 14px rgba(31,182,201,.5);
}
.dock-name{font-size:16px;font-weight:700;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.dock-links a{
  display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--text-2);position:relative;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.dock-links a.is-active{color:var(--text)}
.dock-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--cyan);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.dock-search{
  width:36px;height:36px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--text-2);cursor:pointer;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.dock-search:hover{color:var(--cyan);border-color:rgba(31,182,201,.5);background:var(--cyan-soft)}
.dock-toggle{
  display:none;width:36px;height:36px;border-radius:999px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);color:var(--text-2);cursor:pointer;
}
.dock-panel{
  display:none;margin-top:10px;padding:14px;border-radius:20px;
  background:rgba(19,30,49,.94);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.dock-panel.is-open{display:block}
.dock-panel a{display:block;padding:11px 14px;border-radius:12px;color:var(--text-2);font-size:15px;transition:background 180ms var(--ease),color 180ms var(--ease)}
.dock-panel a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.dock-panel a.is-active{color:var(--cyan);background:var(--cyan-soft)}
@media (max-width:1000px){
  .dock-links{display:none}
  .dock-toggle{display:inline-flex}
}
@media (max-width:560px){
  .dock-name{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis}
  .btn-dock-cta{display:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;line-height:1.2;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),filter 180ms var(--ease);
}
.btn-primary{
  background:var(--gold);color:#20140A;
  box-shadow:0 0 0 1px rgba(242,163,60,.5),0 8px 28px rgba(242,163,60,.30);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(242,163,60,.6),0 10px 36px rgba(242,163,60,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:rgba(31,182,201,.5);color:var(--cyan)}
.btn-outline:hover{background:var(--cyan-soft);box-shadow:0 0 18px rgba(31,182,201,.25);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--cyan);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap 180ms var(--ease),color 180ms var(--ease)}
.text-link:hover{gap:10px;color:#57d2e2}

/* ---------- 进度条 ---------- */
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--cyan),var(--gold));z-index:300;transition:width 90ms linear}

/* ---------- 文章布局 ---------- */
.article-main{padding:12px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:56px}
}
.article-col{max-width:820px;width:100%}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color 180ms var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .current{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:340px}
.breadcrumb .sep{color:rgba(255,255,255,.18)}
.article-head{margin-bottom:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--cyan);background:var(--cyan-soft);border:1px solid rgba(31,182,201,.28);
}
.article-title{
  font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.24;margin:16px 0 14px;
}
.article-summary{
  color:var(--text-2);font-size:16px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  padding-left:14px;border-left:2px solid rgba(242,163,60,.6);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}
.article-cover{
  margin:30px 0 34px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  aspect-ratio:16/8;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- CMS 正文 ---------- */
.cms-body{color:#E8EEF7;font-size:17px;line-height:1.92}
.cms-body > *:first-child{margin-top:0}
.cms-body p{margin:0 0 1.1em}
.cms-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.4;
}
.cms-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:2px;background:var(--cyan);
}
.cms-body h3{margin:30px 0 12px;font-size:21px;font-weight:600;line-height:1.45}
.cms-body h4{margin:24px 0 10px;font-size:18px;font-weight:600;color:var(--text)}
.cms-body ul,.cms-body ol{margin:0 0 1.1em;padding-left:22px}
.cms-body ul{list-style:none}
.cms-body ul li{position:relative;padding-left:16px;margin-bottom:.55em}
.cms-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.85;
}
.cms-body ol{list-style:decimal}
.cms-body ol li{margin-bottom:.55em;padding-left:4px}
.cms-body ol li::marker{color:var(--cyan);font-weight:600}
.cms-body a{color:var(--cyan);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:text-decoration-thickness 180ms var(--ease)}
.cms-body a:hover{text-decoration-thickness:2px}
.cms-body blockquote{
  margin:26px 0;padding:16px 20px;border-left:2px solid var(--gold);
  background:var(--gold-soft);border-radius:0 12px 12px 0;color:var(--text-2);font-size:16px;
}
.cms-body blockquote p:last-child{margin-bottom:0}
.cms-body img{border-radius:12px;margin:26px auto;border:1px solid var(--line)}
.cms-body figure{margin:26px 0}
.cms-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.cms-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.cms-body th,.cms-body td{padding:11px 15px;border-bottom:1px solid var(--line);text-align:left}
.cms-body th{color:var(--text-2);font-weight:600;background:rgba(255,255,255,.03)}
.cms-body tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
.cms-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.cms-body code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:14px;color:#8fe3ef}
.cms-body pre{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7}
.empty-state{
  padding:56px 24px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);text-align:center;
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-3);
}
.empty-state h3{font-size:19px;font-weight:600;margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:22px}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background 180ms var(--ease);
}
.pill:hover{color:var(--cyan);border-color:rgba(31,182,201,.4);background:var(--cyan-soft)}

/* ---------- 相关推荐 ---------- */
.rel-section{margin-top:60px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.eave{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.eave i{display:block;width:26px;height:1px;background:rgba(31,182,201,.65)}
.eave span{font-size:12px;letter-spacing:.14em;color:var(--cyan)}
.section-title{font-size:clamp(21px,2.5vw,26px);font-weight:700}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.rel-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.rel-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-body{padding:18px 18px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:14px;line-height:1.7;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 上下导航 ---------- */
.page-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:44px}
@media (min-width:640px){.page-nav{grid-template-columns:repeat(2,1fr)}}
.page-nav a{
  display:flex;flex-direction:column;gap:6px;padding:20px 22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color 180ms var(--ease),transform 180ms var(--ease),background 180ms var(--ease);
}
.page-nav a:hover{border-color:rgba(31,182,201,.45);transform:translateY(-2px);background:var(--surface-2)}
.page-nav span{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.page-nav strong{font-size:16px;font-weight:600;color:var(--text)}

/* ---------- 侧栏目录 ---------- */
.article-side{display:none}
@media (min-width:1280px){
  .article-side{display:block}
  .toc-card{position:sticky;top:104px;padding:20px 18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
}
.toc-card h4{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-bottom:14px;font-weight:600}
.toc-list a{
  display:block;padding:7px 0 7px 12px;font-size:14px;color:var(--text-2);
  border-left:1px solid var(--line);line-height:1.55;
  transition:color 180ms var(--ease),border-color 180ms var(--ease);
}
.toc-list a:hover,.toc-list a.is-current{color:var(--cyan);border-left-color:var(--cyan)}

/* ---------- CTA ---------- */
.cta-panel{
  margin-top:64px;padding:34px 30px;border-radius:var(--radius);
  background:rgba(19,30,49,.62);border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1fr;gap:24px;
}
@media (min-width:900px){.cta-panel{grid-template-columns:1.4fr 1fr;align-items:center}}
.cta-panel h3{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:10px}
.cta-panel p{font-size:15px;color:var(--text-2);line-height:1.8}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.cta-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:96px;padding:64px 0 30px;
  background:#0A1120;border-top:1px solid var(--line);
}
.site-footer::before{content:"";position:absolute;top:4px;left:0;right:0;height:1px;background:rgba(255,255,255,.05)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}}
.footer-brand h3{font-size:19px;font-weight:700;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.studs{display:flex;gap:6px}
.studs i{width:4px;height:4px;border-radius:50%;background:rgba(242,163,60,.7);display:block}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color 180ms var(--ease),transform 180ms var(--ease)}
.footer-col a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact li{font-size:13px;color:var(--text-3);line-height:1.75}
.footer-contact strong{color:var(--text-2);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
@media (max-width:640px){
  body{padding-top:92px}
  .article-summary{-webkit-line-clamp:4}
  .cta-panel{padding:26px 20px}
  .breadcrumb .current{max-width:200px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#060A12;
  --surface:#0D1524;
  --surface-2:#131E31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --cyan:#1FB6C9;
  --gold:#F2A33C;
  --text:#E8EEF7;
  --text-2:#A6B4C8;
  --text-3:#6E7F96;
  --ok:#3FBF8F;
  --warn:#E0B84A;
  --err:#E0685E;
  --r-lg:16px;
  --r-md:12px;
  --shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1200px){.container{padding:0 32px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:60;padding:16px 16px 0;pointer-events:none}
.dock,.dock-panel{pointer-events:auto}
.dock{
  max-width:1100px;margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;border-radius:999px;
  background:rgba(13,21,36,.72);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow);
  transition:max-width 180ms var(--ease),height 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.dock-wrap.is-scrolled .dock{max-width:1034px;height:58px;background:rgba(13,21,36,.88);border-color:var(--line-strong)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-mark{width:12px;height:12px;border-radius:3px;background:linear-gradient(135deg,var(--cyan),var(--gold));box-shadow:0 0 0 4px rgba(31,182,201,.13)}
.dock-name{font-size:15.5px;font-weight:700;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-links a{display:inline-block;padding:8px 13px;border-radius:999px;font-size:14px;color:var(--text-2);transition:color 180ms var(--ease),background 180ms var(--ease),box-shadow 180ms var(--ease)}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.dock-links a.is-active{color:#fff;background:rgba(31,182,201,.15);box-shadow:inset 0 -2px 0 var(--cyan)}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.dock-search{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-2);border:1px solid transparent;transition:color 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease)}
.dock-search:hover{color:var(--cyan);background:rgba(31,182,201,.12);border-color:rgba(31,182,201,.35)}
.dock-toggle{display:none;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;color:var(--text-2);border:1px solid var(--line)}
.dock-toggle:hover{color:var(--text);border-color:var(--line-strong)}
.dock-panel{display:none;max-width:1100px;margin:10px auto 0;padding:14px;border-radius:20px;background:rgba(13,21,36,.96);border:1px solid var(--line);box-shadow:var(--shadow)}
.dock-panel.is-open{display:block}
.dock-panel a{display:block;padding:12px 14px;border-radius:12px;color:var(--text-2);font-size:15px}
.dock-panel a:hover,.dock-panel a.is-active{color:#fff;background:rgba(255,255,255,.05)}
@media(max-width:1023px){
  .dock-links{display:none}
  .dock-toggle{display:inline-flex}
  .dock{height:58px;padding:0 10px 0 14px;gap:12px}
  .dock-name{font-size:14.5px}
}
@media(max-width:520px){
  .btn-dock-cta{display:none}
  .dock-name{max-width:180px;overflow:hidden;text-overflow:ellipsis}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;border:1px solid transparent;transition:color 180ms var(--ease),background 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease),filter 180ms var(--ease)}
.btn-primary{background:var(--gold);color:#20140A;box-shadow:0 0 0 1px rgba(242,163,60,.5),0 8px 28px rgba(242,163,60,.30)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(242,163,60,.6),0 12px 36px rgba(242,163,60,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:rgba(31,182,201,.6);color:var(--cyan);background:transparent}
.btn-ghost:hover{background:rgba(31,182,201,.12);box-shadow:0 0 0 1px rgba(31,182,201,.35),0 8px 24px rgba(31,182,201,.16)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.42;box-shadow:none;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:14px;font-weight:600}
.link-more span{transition:transform 180ms var(--ease)}
.link-more:hover span{transform:translateX(3px)}

/* ---------- 通用装饰 ---------- */
.eave{display:block;width:54px;height:5px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);margin-bottom:14px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.1em;color:var(--cyan);margin-bottom:10px}
.studs{display:flex;gap:8px}
.studs i{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1200px){.section{padding:96px 0}}
.section-head{margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700}
.section-head p{margin-top:12px;color:var(--text-2);max-width:640px;font-size:15.5px}
.glass{background:rgba(19,30,49,.55);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12.5px;border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03)}
.badge-cyan{color:var(--cyan);border-color:rgba(31,182,201,.4);background:rgba(31,182,201,.10)}
.badge-gold{color:var(--gold);border-color:rgba(242,163,60,.45);background:rgba(242,163,60,.10)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-2)}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;padding:128px 0 60px;overflow:hidden;isolation:isolate}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(120deg,rgba(6,10,18,.94),rgba(9,16,30,.84) 55%,rgba(6,10,18,.9));
}
.page-hero .hero-grid{display:grid;gap:32px;align-items:end}
@media(min-width:1024px){.page-hero .hero-grid{grid-template-columns:1.55fr 1fr}}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:700;line-height:1.24}
.page-hero .lede{margin-top:16px;color:var(--text-2);font-size:16.5px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:20px;border-radius:var(--r-lg)}
.hero-stats .num{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
.hero-stats .lbl{font-size:12.5px;color:var(--text-3);margin-top:2px}

/* ---------- 对比表 ---------- */
.table-shell{border-radius:var(--r-lg);overflow:hidden}
.table-scroll{overflow-x:auto}
.benefit-table{width:100%;min-width:900px;border-collapse:separate;border-spacing:0}
.benefit-table caption{text-align:left}
.benefit-table thead th{
  position:sticky;top:84px;z-index:5;
  background:#0D1524;
  padding:18px 16px;text-align:left;font-size:14px;font-weight:600;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.benefit-table thead th:first-child{width:28%;color:var(--text-3);font-weight:500;font-size:13.5px}
.plan-name{display:block;font-size:16px;font-weight:700;color:var(--text)}
.plan-price{display:block;margin-top:4px;font-size:13.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.benefit-table thead th.col-featured{border-left:1px solid rgba(242,163,60,.45);border-right:1px solid rgba(242,163,60,.45);background:linear-gradient(180deg,rgba(242,163,60,.14),rgba(13,21,36,1) 78%)}
.benefit-table thead th.col-featured .plan-name{color:var(--gold)}
.badge-rec{display:inline-block;margin-bottom:8px;padding:2px 9px;border-radius:999px;font-size:11.5px;color:#20140A;background:var(--gold);font-weight:700}
.benefit-table tbody th,.benefit-table tbody td{padding:15px 16px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:middle}
.benefit-table tbody th{text-align:left;font-weight:500;color:var(--text-2)}
.benefit-table tbody td{color:var(--text);font-variant-numeric:tabular-nums}
.benefit-table tbody td.col-featured{border-left:1px solid rgba(242,163,60,.45);border-right:1px solid rgba(242,163,60,.45);background:rgba(242,163,60,.04);font-weight:600}
.benefit-table tbody tr:hover td,.benefit-table tbody tr:hover th{background:rgba(255,255,255,.03)}
.benefit-table tbody tr:hover td.col-featured{background:rgba(242,163,60,.08)}
.benefit-table tbody tr:last-child th,.benefit-table tbody tr:last-child td{border-bottom:0}
.cell-yes{color:var(--cyan);font-weight:700}
.cell-no{color:var(--text-3);font-weight:400}
.cell-note{display:block;font-size:12px;color:var(--text-3);font-weight:400;margin-top:2px}
.table-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:18px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.table-foot .studs i{background:rgba(31,182,201,.4)}

/* 移动端方案卡 */
.plan-track{display:none}
@media(max-width:1023px){
  .table-shell{display:none}
  .plan-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;-webkit-overflow-scrolling:touch}
  .plan-card{flex:0 0 84%;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow)}
  .plan-card.is-featured{border-color:rgba(242,163,60,.5);background:linear-gradient(180deg,rgba(242,163,60,.09),var(--surface) 40%)}
  .plan-card h3{font-size:19px;font-weight:700}
  .plan-card .price{margin-top:6px;font-size:26px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums}
  .plan-card .price small{font-size:13px;font-weight:400;color:var(--text-3);margin-left:4px}
  .plan-card ul{margin:16px 0 20px;display:grid;gap:10px}
  .plan-card li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.6}
  .plan-card li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--cyan)}
  .plan-card li.is-off{color:var(--text-3)}
  .plan-card li.is-off::before{background:var(--text-3);opacity:.5}
}

/* ---------- 说明卡 ---------- */
.note-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:768px){.note-grid{grid-template-columns:repeat(3,1fr)}}
.note-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:transform 180ms var(--ease),border-color 180ms var(--ease)}
.note-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.note-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.note-card p{color:var(--text-2);font-size:14.5px}
.note-card .idx{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:10px;border:1px solid rgba(31,182,201,.4);color:var(--cyan);font-size:13px;font-weight:700;margin-bottom:16px;font-variant-numeric:tabular-nums}

/* ---------- 场景横滚 ---------- */
.scene-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 16px;-webkit-overflow-scrolling:touch}
.scene-card{flex:0 0 300px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform 180ms var(--ease),border-color 180ms var(--ease)}
@media(min-width:768px){.scene-card{flex:0 0 330px}}
.scene-card:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.scene-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms var(--ease)}
.scene-card:hover .thumb img{transform:scale(1.03)}
.scene-card .body{padding:20px;border-top:1px solid var(--line)}
.scene-card h3{font-size:18px;font-weight:600}
.scene-card p{margin-top:8px;font-size:14px;color:var(--text-2)}
.scene-card .tag{margin-top:14px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color 200ms var(--ease)}
.faq-item[open]{border-color:rgba(31,182,201,.35)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16.5px;font-weight:600;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";flex:0 0 auto;width:9px;height:9px;border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);transform:rotate(45deg);transition:transform 220ms var(--ease);margin-top:-4px}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-body{margin:0 22px 20px 22px;padding-left:16px;border-left:2px solid var(--cyan);color:var(--text-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-panel{display:grid;gap:28px;padding:34px;border-radius:20px}
@media(min-width:1024px){.cta-panel{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px}}
.cta-panel h2{font-size:clamp(23px,2.8vw,30px);font-weight:700}
.cta-panel p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:560px}
.cta-points{margin-top:20px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.cta-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--cyan)}
.cta-side{display:grid;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;margin-top:40px;background:#080D18;border-top:1px solid var(--line)}
.site-footer::before{content:"";display:block;height:5px;border-bottom:1px solid var(--line);margin-bottom:0}
.footer-grid{display:grid;gap:32px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.footer-brand h3{font-size:19px;font-weight:700}
.footer-brand p{margin-top:12px;color:var(--text-2);font-size:14px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color 180ms var(--ease),transform 180ms var(--ease);display:inline-block}
.footer-col a:hover{color:var(--cyan);transform:translateX(-2px)}
.footer-contact li{color:var(--text-2);font-size:14px;line-height:1.7}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:20px 0 32px;border-top:1px solid var(--line);color:var(--text-3);font-size:13px}

/* roulang page: category3 */
:root{
  --bg:#060A12;
  --bg-2:#0D1524;
  --bg-3:#131E31;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --cyan:#1FB6C9;
  --cyan-soft:rgba(31,182,201,.12);
  --gold:#F2A33C;
  --gold-soft:rgba(242,163,60,.12);
  --silver:#E6EDF5;
  --text:#E8EEF7;
  --text-2:#A6B4C8;
  --text-3:#6E7F96;
  --ok:#3FBF8F;
  --danger:#E0685E;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-alt{background:linear-gradient(180deg,rgba(13,21,36,.65),rgba(6,10,18,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:16px 16px 0;
}
.dock{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:1100px;
  height:64px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(19,30,49,.62);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 44px rgba(0,0,0,.45);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:height .18s var(--ease),max-width .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.dock-wrap.is-scrolled .dock{
  height:56px;
  max-width:1034px;
  background:rgba(19,30,49,.82);
  border-color:rgba(255,255,255,.18);
}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:none;font-weight:700;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.dock-mark{
  width:22px;height:22px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--cyan),var(--gold));
  box-shadow:0 0 0 1px rgba(255,255,255,.18) inset;
}
.dock-name{color:var(--text)}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.dock-links li{flex:none}
.dock-links a{
  display:inline-block;
  padding:8px 12px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .18s var(--ease),background .18s var(--ease);
  white-space:nowrap;
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-links a.is-active{color:var(--cyan);background:var(--cyan-soft);box-shadow:inset 0 -2px 0 var(--cyan)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.dock-search{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);cursor:pointer;transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.dock-search:hover{color:var(--cyan);border-color:rgba(31,182,201,.5);background:var(--cyan-soft)}
.dock-toggle{
  display:none;width:36px;height:36px;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text);cursor:pointer;
}
.dock-panel{
  display:none;
  width:100%;max-width:1100px;
  margin-top:10px;padding:14px;
  border-radius:20px;
  background:rgba(13,21,36,.97);
  border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
  flex-direction:column;gap:4px;
}
.dock-panel.is-open{display:flex}
.dock-panel a{padding:11px 14px;border-radius:12px;font-size:15px;color:var(--text-2);transition:background .18s var(--ease),color .18s var(--ease)}
.dock-panel a:hover,.dock-panel a.is-active{background:var(--cyan-soft);color:var(--cyan)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--gold);color:#20140A;
  box-shadow:0 0 0 1px rgba(242,163,60,.5),0 8px 28px rgba(242,163,60,.30);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(242,163,60,.6),0 0 36px rgba(242,163,60,.42)}
.btn-ghost{
  background:transparent;color:var(--cyan);border-color:rgba(31,182,201,.55);
}
.btn-ghost:hover{background:var(--cyan-soft);box-shadow:0 0 22px rgba(31,182,201,.22)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn-arrow::after{content:"→";transition:transform .18s var(--ease)}
.btn-arrow:hover::after{transform:translateX(3px)}

/* ---------- 通用件 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:3px 10px;border-radius:999px;font-size:12px;line-height:1.3;
  color:var(--cyan);border:1px solid rgba(31,182,201,.35);background:var(--cyan-soft);
}
.badge-gold{color:var(--gold);border-color:rgba(242,163,60,.4);background:var(--gold-soft)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:var(--text-3);opacity:.7}
.breadcrumb .cur{color:var(--text-3)}
.studs{display:flex;gap:8px;align-items:center}
.studs i{display:block;width:5px;height:5px;border-radius:50%;background:rgba(255,255,255,.20)}
.studs i:first-child,.studs i:last-child{background:var(--gold);opacity:.85}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.sec-title-wrap::before{
  content:"";display:block;width:64px;height:7px;margin-bottom:14px;
  border-top:1px solid rgba(242,163,60,.55);
  border-bottom:1px solid rgba(242,163,60,.24);
}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:10px;
}
.sec-title{font-size:clamp(24px,3vw,34px)}
.sec-desc{color:var(--text-2);font-size:15px;max-width:620px;margin-top:12px}
.link-more{
  color:var(--cyan);font-size:14px;font-weight:600;position:relative;
  display:inline-flex;align-items:center;gap:6px;transition:gap .18s var(--ease);
}
.link-more::after{content:"→";transition:transform .18s var(--ease)}
.link-more:hover::after{transform:translateX(3px)}

/* ---------- 页首窄幅 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 54px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(6,10,18,.86),rgba(6,10,18,.97)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero .container{position:relative;z-index:2}
.hero-brand{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);margin-bottom:14px}
.hero-brand .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  max-width:820px;
  margin-bottom:16px;
}
.hero-sub{color:var(--text-2);font-size:16px;max-width:640px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta div{min-width:110px}
.hero-meta strong{display:block;font-size:24px;color:var(--silver);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-meta span{font-size:13px;color:var(--text-3)}

/* ---------- 筛选条 ---------- */
.filters{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;margin-bottom:26px;scrollbar-width:thin}
.filters::-webkit-scrollbar{height:6px}
.filters::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
.filter{
  flex:none;padding:8px 18px;border-radius:999px;font-size:14px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.filter:hover{color:var(--text);border-color:var(--line-2)}
.filter.is-active{
  color:var(--cyan);border-color:rgba(31,182,201,.55);background:var(--cyan-soft);
  box-shadow:0 0 20px rgba(31,182,201,.18);
}

/* ---------- 画廊 2×3 ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.work-card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:0 18px 40px rgba(0,0,0,.42)}
.work-card.is-hidden{display:none}
.work-link{display:flex;flex-direction:column;height:100%}
.work-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#0d1524,#131e31);
}
.work-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.work-card:hover .work-media img{transform:scale(1.03)}
.work-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(180deg,transparent,rgba(6,10,18,.88));
  pointer-events:none;
}
.work-lock{
  position:absolute;top:12px;right:12px;z-index:3;
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:999px;font-size:12px;line-height:1.3;
  color:var(--gold);background:rgba(6,10,18,.72);border:1px solid rgba(242,163,60,.5);
}
.work-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px;flex:1 1 auto}
.work-body h3{font-size:19px;font-weight:600}
.work-body p{color:var(--text-2);font-size:14px;line-height:1.72}
.work-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 横向滚动 ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 16px;margin:0 -2px;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:999px}
.rail-card{
  flex:0 0 292px;scroll-snap-align:start;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.rail-card:hover{transform:translateY(-2px);border-color:var(--line-2)}
.rail-media{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#0d1524,#131e31);overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.04)}
.rail-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.rail-body h3{font-size:16.5px;font-weight:600;line-height:1.4}
.rail-body p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.rail-tag{
  position:absolute;left:12px;top:12px;z-index:3;padding:3px 9px;border-radius:999px;
  font-size:11.5px;color:#fff;background:rgba(6,10,18,.7);border:1px solid var(--line-2);
}

/* ---------- 内容构成 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.spec-card{
  position:relative;padding:30px 26px;border-radius:var(--radius);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.spec-card:hover{border-color:rgba(31,182,201,.35);transform:translateY(-2px)}
.spec-card h3{font-size:19px;margin-bottom:10px}
.spec-card p{color:var(--text-2);font-size:14px;line-height:1.75}
.spec-num{
  font-size:34px;font-weight:700;color:var(--gold);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;margin-bottom:12px;
}
.spec-card .studs{margin-top:18px}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.faq details[open]{border-color:rgba(31,182,201,.42);border-left:2px solid var(--cyan)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;line-height:1.6;cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:none;width:9px;height:9px;margin-top:-5px;
  border-right:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(45deg);transition:transform .22s var(--ease),margin-top .22s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:5px}
.faq .faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.88}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.45fr .9fr;gap:36px;align-items:center;
  padding:40px;border-radius:var(--radius);
  background:rgba(19,30,49,.55);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-panel p{color:var(--text-2);font-size:15px}
.cta-list{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.cta-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--cyan);
}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-foot{margin-top:28px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:96px;padding:64px 0 26px;
  background:var(--bg-2);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-7px;left:0;right:0;height:6px;
  border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:34px}
.footer-brand h3{font-size:19px;margin-bottom:12px}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:360px}
.footer-col h4{font-size:14px;letter-spacing:.04em;color:var(--text);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{display:inline-block;color:var(--text-2);font-size:14px;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact li{color:var(--text-2);font-size:14px;line-height:1.8;margin-bottom:8px}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .dock-panel{display:none !important}
}
@media (max-width:1023px){
  .dock{height:58px;padding:0 10px 0 14px;gap:10px}
  .dock-links{display:none}
  .dock-toggle{display:inline-flex}
  .dock-name{font-size:14px}
  .section{padding:60px 0}
  .gallery{grid-template-columns:repeat(2,1fr);gap:18px}
  .spec-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .cta-panel{grid-template-columns:1fr;gap:26px;padding:30px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .dock-wrap{padding:12px 12px 0}
  .dock{height:56px}
  .dock-logo{gap:8px}
  .dock-mark{width:19px;height:19px;border-radius:6px}
  .dock-name{font-size:13px;max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .btn-dock-cta{display:none}
  .section{padding:48px 0}
  .page-hero{padding:40px 0 42px}
  .gallery{grid-template-columns:1fr;gap:16px}
  .spec-grid{grid-template-columns:1fr;gap:16px}
  .rail-card{flex:0 0 250px}
  .hero-meta{gap:16px}
  .hero-meta strong{font-size:21px}
  .cta-panel{padding:24px 20px}
  .cta-actions{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
  .faq summary{font-size:15.5px;padding:16px 18px}
  .faq .faq-body{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#060A12;
  --surface:#0D1524;
  --surface-2:#131E31;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --primary:#1FB6C9;
  --primary-dim:rgba(31,182,201,.12);
  --gold:#F2A33C;
  --silver:#E6EDF5;
  --text:#E8EEF7;
  --text-2:#A6B4C8;
  --text-3:#6E7F96;
  --ink:#20140A;
  --ok:#3FBF8F;
  --warn:#E0B84A;
  --err:#E0685E;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -6%,rgba(31,182,201,.10),transparent 62%),
    radial-gradient(760px 460px at 94% 2%,rgba(242,163,60,.07),transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(31,182,201,.32);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px}}
.section{padding:64px 0;position:relative}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:100px 0}}
.section-alt{background:linear-gradient(180deg,rgba(13,21,36,0),rgba(13,21,36,.6) 20%,rgba(13,21,36,.6) 80%,rgba(13,21,36,0))}

.sec-head{max-width:780px;margin-bottom:36px}
.sec-head::before{content:"";display:block;width:56px;border-top:1px solid rgba(31,182,201,.55);border-bottom:1px solid rgba(31,182,201,.20);padding-top:5px;margin-bottom:18px}
.sec-head .sec-label{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--primary);font-weight:600;margin-bottom:12px}
.sec-head .sec-label::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(242,163,60,.14)}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.8}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;padding:0 16px;display:flex;flex-direction:column;align-items:center;gap:10px}
.dock{
  width:100%;max-width:1100px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(13,21,36,.72);
  border:1px solid rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
  transition:height .24s var(--ease),max-width .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.dock-wrap.is-scrolled .dock{height:56px;max-width:1040px;background:rgba(13,21,36,.9);border-color:rgba(255,255,255,.16)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:none;min-width:0}
.dock-mark{width:22px;height:22px;border-radius:7px;border:1px solid rgba(31,182,201,.55);position:relative;flex:none;box-shadow:0 0 18px rgba(31,182,201,.25)}
.dock-mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:linear-gradient(140deg,var(--primary),var(--gold))}
.dock-name{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-links{display:none;align-items:center;gap:2px;margin:0 auto;padding:0}
.dock-links li{list-style:none}
.dock-links a{position:relative;display:inline-block;padding:9px 13px;font-size:14px;color:var(--text-2);border-radius:var(--r-pill);transition:color .18s var(--ease),background .18s var(--ease)}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-links a.is-active{color:var(--primary)}
.dock-links a.is-active::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--primary)}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:none}
.dock-search{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;color:var(--text-2);border:1px solid transparent;transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease)}
.dock-search:hover{color:var(--primary);background:var(--primary-dim);border-color:rgba(31,182,201,.35)}
.dock-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;color:var(--text-2);border:1px solid var(--line-2);transition:color .18s var(--ease),background .18s var(--ease)}
.dock-toggle:hover{color:var(--primary);background:var(--primary-dim)}
.dock-panel{display:none;width:100%;max-width:1100px;padding:14px;border-radius:20px;background:rgba(13,21,36,.96);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 18px 48px rgba(0,0,0,.5)}
.dock-panel.is-open{display:block}
.dock-panel a{display:block;padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);transition:color .18s var(--ease),background .18s var(--ease)}
.dock-panel a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-panel a.is-active{color:var(--primary);background:var(--primary-dim)}
@media(min-width:1024px){
  .dock-links{display:flex}
  .dock-toggle{display:none}
  .dock-panel{display:none !important}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;line-height:1;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),filter .18s var(--ease);
}
.btn-primary{background:var(--gold);color:var(--ink);box-shadow:0 0 0 1px rgba(242,163,60,.5),0 8px 28px rgba(242,163,60,.30)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(242,163,60,.62),0 10px 36px rgba(242,163,60,.42)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(31,182,201,.55)}
.btn-ghost:hover{background:var(--primary-dim);box-shadow:0 0 20px rgba(31,182,201,.18);border-color:rgba(31,182,201,.8)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:13px}
.btn-lg{padding:15px 30px;font-size:15px}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.42;box-shadow:none;pointer-events:none}

/* ============ 页面 Hero ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--surface)}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.5}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,.86),rgba(6,10,18,.92) 55%,rgba(6,10,18,.99))}
.page-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%);mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 88%)}
.page-hero-inner{position:relative;padding:104px 0 56px;max-width:880px}
@media(min-width:1024px){.page-hero-inner{padding:136px 0 72px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-3);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .cur{color:var(--text-2)}
.hero-brand{display:inline-flex;align-items:center;gap:10px;padding:7px 15px;border-radius:var(--r-pill);border:1px solid rgba(31,182,201,.28);background:rgba(31,182,201,.07);color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:20px}
.hero-brand::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.page-hero h1{font-size:clamp(28px,4.4vw,50px);line-height:1.22;letter-spacing:-.015em;max-width:16em}
.page-hero .hero-lead{margin-top:20px;max-width:640px;color:var(--text-2);font-size:16.5px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ============ 等级卡墙 ============ */
.level-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.level-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.level-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.level-card{
  position:relative;display:flex;flex-direction:column;
  padding:28px 24px 24px;border-radius:var(--r-lg);
  background:rgba(19,30,49,.55);
  border:1px solid rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.level-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.18)}
.level-card.tone-cyan{--tone:#1FB6C9;--tone-soft:rgba(31,182,201,.13);--tone-border:rgba(31,182,201,.45)}
.level-card.tone-gold{--tone:#F2A33C;--tone-soft:rgba(242,163,60,.13);--tone-border:rgba(242,163,60,.5)}
.level-card.tone-silver{--tone:#E6EDF5;--tone-soft:rgba(230,237,245,.10);--tone-border:rgba(230,237,245,.40)}
.level-top{display:flex;align-items:center;gap:10px}
.level-badge{display:inline-flex;align-items:center;justify-content:center;height:26px;min-width:48px;padding:0 10px;border-radius:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--tone);background:var(--tone-soft);border:1px solid var(--tone-border);font-variant-numeric:tabular-nums}
.level-tag{font-size:12.5px;color:var(--text-3);letter-spacing:.08em}
.level-name{margin-top:18px;font-size:22px;font-weight:700}
.level-desc{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.75}
.level-points{flex:1 1 auto;display:grid;gap:10px;margin-top:18px}
.level-points li{position:relative;padding-left:16px;font-size:14.5px;line-height:1.7;color:var(--text-2)}
.level-points li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--tone)}
.level-gate{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.level-gate strong{font-size:17px;font-weight:700;color:var(--tone);font-variant-numeric:tabular-nums}
.level-card .btn{margin-top:18px}
.pick-flag{position:absolute;top:-11px;right:20px;padding:4px 12px;border-radius:var(--r-pill);background:var(--gold);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.06em;box-shadow:0 8px 22px rgba(242,163,60,.35)}
@media(min-width:1024px){
  .level-card.is-pick{transform:translateY(-8px);border-color:rgba(242,163,60,.55);box-shadow:0 0 0 1px rgba(242,163,60,.22),0 24px 56px rgba(0,0,0,.5)}
  .level-card.is-pick:hover{transform:translateY(-10px)}
}

/* ============ 对照表 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);-webkit-overflow-scrolling:touch}
.compare-table{width:100%;min-width:720px;border-collapse:collapse}
.compare-table th,.compare-table td{padding:15px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{background:rgba(255,255,255,.035);font-size:13.5px;font-weight:600;color:var(--text);white-space:nowrap}
.compare-table thead th:first-child{color:var(--text-3);font-weight:500}
.compare-table tbody th{width:22%;font-weight:500;color:var(--text-2)}
.compare-table tbody td{color:var(--text)}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background .18s var(--ease)}
.compare-table tbody tr:hover{background:rgba(255,255,255,.03)}
.compare-table .col-pick{color:var(--gold)}
.table-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:840px;padding-left:4px}
.timeline::before{content:"";position:absolute;left:17px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,rgba(31,182,201,.7),rgba(242,163,60,.55) 55%,rgba(255,255,255,.08))}
.tl-item{position:relative;padding:0 0 38px 54px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:4px;top:2px;width:27px;height:27px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface-2);display:grid;place-items:center;box-shadow:0 0 0 6px rgba(6,10,18,.9)}
.tl-dot::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--tone,#1FB6C9)}
.tl-dot.tone-cyan{--tone:#1FB6C9}
.tl-dot.tone-gold{--tone:#F2A33C}
.tl-dot.tone-silver{--tone:#E6EDF5}
.tl-step{display:inline-block;font-size:12.5px;letter-spacing:.12em;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums}
.tl-item h3{margin-top:8px;font-size:19px;font-weight:600}
.tl-item p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:60ch}

/* ============ 双列图文交替 ============ */
.alt-stack{display:grid;gap:60px}
@media(min-width:1024px){.alt-stack{gap:84px}}
.alt-row{display:grid;gap:28px;align-items:center}
@media(min-width:900px){
  .alt-row{grid-template-columns:1.05fr 1fr;gap:56px}
  .alt-row.is-reverse .alt-media{order:2}
  .alt-row.is-reverse .alt-copy{order:1}
}
.alt-media{margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface-2);aspect-ratio:4/3}
.alt-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.alt-media:hover img{transform:scale(1.03)}
.alt-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:12.5px;color:var(--text-2);background:linear-gradient(180deg,transparent,rgba(6,10,18,.88))}
.alt-index{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.2em;color:var(--gold);margin-bottom:12px;font-variant-numeric:tabular-nums}
.alt-copy h3{font-size:clamp(20px,2.2vw,26px);font-weight:700}
.alt-copy p{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.alt-list{display:grid;gap:10px;margin-top:18px}
.alt-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);line-height:1.75}
.alt-list li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.85}

/* ============ FAQ ============ */
.faq{max-width:840px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .18s var(--ease)}
.faq-item:hover{border-color:var(--line-2)}
.faq-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--text);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;background:var(--primary);opacity:0;transition:opacity .2s var(--ease)}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg);transition:transform .22s var(--ease)}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:70ch}

/* ============ CTA 面板 ============ */
.cta-panel{
  display:grid;gap:28px;padding:32px 26px;border-radius:20px;
  background:rgba(19,30,49,.6);
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 48px rgba(0,0,0,.45);
}
@media(min-width:900px){.cta-panel{grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;padding:44px}}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px)}
.cta-panel .cta-lead{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:52ch}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:.66em;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.cta-actions{display:grid;gap:12px}
.cta-note{font-size:13px;color:var(--text-3);text-align:center}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:#080D18;position:relative}
@media(min-width:1024px){.site-footer{margin-top:120px}}
.site-footer::before,.site-footer::after{content:"";position:absolute;left:0;right:0;height:1px}
.site-footer::before{top:0;background:rgba(255,255,255,.10)}
.site-footer::after{top:6px;background:rgba(255,255,255,.05)}
.footer-grid{display:grid;gap:32px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}}
.footer-brand h3{font-size:20px;font-weight:700}
.footer-brand p{margin-top:14px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:34ch}
.studs{display:flex;gap:8px}
.studs i{display:block;width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.26)}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px;margin-top:18px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:var(--text-2);line-height:1.75}
.footer-contact strong{color:var(--text);font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* ============ 动效 ============ */
@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(14px);animation:rise .72s var(--ease) forwards}
  .reveal-1{animation-delay:.06s}
  .reveal-2{animation-delay:.14s}
  .reveal-3{animation-delay:.22s}
  @keyframes rise{to{opacity:1;transform:translateY(0)}}
}

/* roulang page: category4 */
:root{
  --ink:#060A12;
  --surface:#0D1524;
  --raise:#131E31;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --jade:#1FB6C9;
  --gold:#F2A33C;
  --text-1:#E8EEF7;
  --text-2:#A6B4C8;
  --text-3:#6E7F96;
  --ok:#3FBF8F;
  --err:#E0685E;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --shadow-card:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 48px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  background-color:var(--ink);
  background-image:
    radial-gradient(circle at 16% -8%, rgba(31,182,201,.12), transparent 46%),
    radial-gradient(circle at 88% 2%, rgba(242,163,60,.08), transparent 42%);
  background-repeat:no-repeat;
  color:var(--text-1);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.033) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.033) 1px, transparent 1px);
  background-size:72px 72px;
}
main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:80;padding:16px 16px 0;}
.dock{
  max-width:1100px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 14px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(19,30,49,.72);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 18px 44px rgba(0,0,0,.45);
  backdrop-filter:blur(14px) saturate(120%);
  transition:max-width .22s var(--ease), height .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.dock-wrap.is-scrolled .dock{
  max-width:1034px;
  height:58px;
  background:rgba(13,21,36,.88);
  border-color:rgba(255,255,255,.14);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 20px 48px rgba(0,0,0,.55);
}
.dock-logo{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.dock-mark{
  width:12px;height:12px;border-radius:3px;
  background:linear-gradient(135deg,var(--jade),var(--gold));
  box-shadow:0 0 12px rgba(31,182,201,.55);
  flex:0 0 auto;
}
.dock-name{font-size:15px;font-weight:700;color:var(--text-1);white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-links a{
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  transition:color .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease);
}
.dock-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.dock-links a.is-active{
  color:var(--text-1);
  background:rgba(31,182,201,.14);
  box-shadow:inset 0 -2px 0 var(--jade);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-search{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.12);
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}
.dock-search:hover{color:var(--jade);border-color:rgba(31,182,201,.55);background:rgba(31,182,201,.10);}
.dock-toggle{
  width:38px;height:38px;display:none;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.12);
  background:transparent;color:var(--text-1);cursor:pointer;
}
.dock-panel{
  display:none;
  max-width:1100px;
  margin:10px auto 0;
  padding:12px;
  border-radius:18px;
  background:rgba(13,21,36,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);
}
.dock-panel.is-open{display:block;}
.dock-panel a{
  display:block;
  padding:11px 14px;
  border-radius:var(--r-md);
  font-size:15px;
  color:var(--text-2);
  transition:background-color .18s var(--ease), color .18s var(--ease);
}
.dock-panel a:hover,.dock-panel a.is-active{background:rgba(31,182,201,.12);color:var(--text-1);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease), transform .18s var(--ease), filter .18s var(--ease), border-color .18s var(--ease);
}
.btn-primary{
  background:var(--gold);
  color:#20140A;
  box-shadow:0 0 0 1px rgba(242,163,60,.5), 0 8px 28px rgba(242,163,60,.30);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(242,163,60,.62), 0 12px 36px rgba(242,163,60,.42);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--jade);
  border-color:rgba(31,182,201,.6);
}
.btn-ghost:hover{background:rgba(31,182,201,.12);box-shadow:0 0 20px rgba(31,182,201,.22);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 分类窄 Hero ---------- */
.cat-hero{
  position:relative;
  padding:48px 0 52px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(rgba(6,10,18,.74), rgba(6,10,18,.88)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.crumb a{color:var(--text-2);transition:color .18s var(--ease);}
.crumb a:hover{color:var(--jade);}
.crumb-current{color:var(--text-1);}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--jade);
  background:rgba(31,182,201,.12);
  border:1px solid rgba(31,182,201,.3);
}
.cat-hero h1{
  margin:18px 0 14px;
  font-size:clamp(28px,4.4vw,46px);
  font-weight:700;
  line-height:1.24;
  max-width:22ch;
}
.cat-hero-sub{max-width:44ch;color:var(--text-2);font-size:16.5px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:13px;color:var(--text-3);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--jade);opacity:.8;}

/* ---------- 板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:rgba(13,21,36,.55);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eave{display:flex;flex-direction:column;gap:4px;width:64px;margin-bottom:16px;}
.eave i{display:block;height:1px;background:linear-gradient(90deg,var(--jade),rgba(31,182,201,.12));}
.eave i:last-child{width:38px;background:linear-gradient(90deg,rgba(242,163,60,.85),rgba(242,163,60,.05));}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--jade);margin-bottom:10px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:16px;max-width:44ch;}

/* ---------- 门钉点阵 ---------- */
.studs{display:flex;gap:6px;}
.studs i{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.32);}

/* ---------- 四步流程 ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);}}
.step{
  position:relative;
  padding:24px 22px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 14px 34px rgba(0,0,0,.32);
  transition:transform .18s var(--ease), border-color .18s var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.step-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:30px;padding:0 10px;
  border-radius:10px;
  font-size:14px;font-weight:700;
  color:var(--jade);
  border:1px solid rgba(31,182,201,.45);
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- 四档方案小结 ---------- */
.plan-track{
  display:flex;
  gap:18px;
  overflow-x:auto;
  padding-bottom:10px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.plan-track::-webkit-scrollbar{height:6px;}
.plan-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:var(--r-pill);}
.plan-card{
  flex:0 0 280px;
  scroll-snap-align:start;
  padding:24px 22px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  display:flex;flex-direction:column;gap:16px;
  transition:transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.plan-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(0,0,0,.45);}
.plan-card.is-feature{border-color:rgba(242,163,60,.55);box-shadow:0 0 0 1px rgba(242,163,60,.25), 0 18px 44px rgba(0,0,0,.5);}
.plan-tag{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  color:var(--jade);
  background:rgba(31,182,201,.12);
  border:1px solid rgba(31,182,201,.28);
}
.plan-card.is-feature .plan-tag{color:var(--gold);background:rgba(242,163,60,.14);border-color:rgba(242,163,60,.4);}
.plan-card h3{font-size:20px;font-weight:600;}
.plan-price{font-size:30px;font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;line-height:1.2;}
.plan-price small{font-size:13px;font-weight:400;color:var(--text-3);margin-left:4px;}
.plan-list li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.9;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:5px;height:5px;border-radius:50%;background:var(--jade);opacity:.75;
}
.plan-card .btn{margin-top:auto;}

/* ---------- 核对图文 ---------- */
.check-grid{display:grid;gap:32px;grid-template-columns:1fr;align-items:center;}
@media (min-width:1024px){.check-grid{grid-template-columns:1.05fr .95fr;gap:56px;}}
.check-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--raise);
}
.check-list{display:grid;gap:18px;margin-top:8px;}
.check-list li{
  padding:18px 20px;
  border-radius:var(--r-md);
  background:var(--surface);
  border:1px solid var(--line);
}
.check-list strong{display:block;font-size:16px;font-weight:600;margin-bottom:6px;}
.check-list span{font-size:14.5px;color:var(--text-2);line-height:1.78;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{
  margin-bottom:12px;
  border-radius:14px;
  background:var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  transition:border-color .18s var(--ease), background-color .18s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:rgba(31,182,201,.35);background:rgba(19,30,49,.85);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;
  cursor:pointer;
  list-style:none;
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  transition:box-shadow .18s var(--ease), color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{box-shadow:inset 2px 0 0 var(--jade);}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  font-weight:400;
  color:var(--jade);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px 22px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ---------- 表单 ---------- */
.form-grid{display:grid;gap:28px;grid-template-columns:1fr;}
@media (min-width:1024px){.form-grid{grid-template-columns:1.45fr 1fr;gap:40px;}}
.consult-card{
  padding:26px 24px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
@media (min-width:768px){.consult-card{padding:32px 30px;}}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-md);
  background:#0D1524;
  border:1px solid rgba(255,255,255,.10);
  color:var(--text-1);
  font-size:15px;
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea{resize:vertical;line-height:1.75;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--jade);
  box-shadow:0 0 0 3px rgba(31,182,201,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(224,104,94,.15);}
.error-tip{display:none;margin-top:6px;font-size:13px;color:var(--err);}
.field.has-error .error-tip{display:block;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7;margin:6px 0 20px;cursor:pointer;}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:#1FB6C9;flex:0 0 auto;}
.form-tip{margin-top:14px;font-size:13px;color:var(--text-3);}
.form-tip.is-ok{color:var(--ok);}
.form-aside{
  padding:26px 24px;
  border-radius:var(--r-lg);
  background:rgba(19,30,49,.6);
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px) saturate(120%);
  height:fit-content;
}
.form-aside h3{font-size:19px;font-weight:600;margin-bottom:18px;}
.aside-list{display:grid;gap:16px;}
.aside-list li{padding-bottom:16px;border-bottom:1px dashed rgba(255,255,255,.10);}
.aside-list li:last-child{padding-bottom:0;border-bottom:0;}
.aside-list strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:6px;color:var(--gold);}
.aside-list span{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  display:grid;
  gap:26px;
  padding:34px 26px;
  border-radius:20px;
  background:rgba(19,30,49,.62);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);
}
@media (min-width:768px){
  .cta-panel{grid-template-columns:1.4fr auto;align-items:center;padding:44px 40px;}
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;}
.cta-panel p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:46ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-panel .studs{margin-top:20px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  padding:58px 0 26px;
  background:#04070D;
  border-top:1px solid rgba(255,255,255,.10);
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:7px;
  background:linear-gradient(to bottom, rgba(255,255,255,.10) 0 1px, transparent 1px 6px, rgba(31,182,201,.35) 6px 7px);
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}}
.footer-brand h3{font-size:18px;font-weight:700;margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:34ch;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:14px;color:var(--text-1);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:var(--text-2);transition:color .18s var(--ease), transform .18s var(--ease);}
.footer-col a:hover{color:var(--jade);transform:translateX(2px);}
.footer-contact li{font-size:13.5px;color:var(--text-2);line-height:1.8;}
.footer-contact strong{color:var(--text-1);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  margin-top:36px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock-links{display:none;}
  .dock-toggle{display:inline-flex;}
}
@media (max-width:767px){
  body{padding-top:92px;}
  .dock-name{font-size:14px;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .cat-hero{padding:34px 0 40px;}
}
@media (max-width:639px){
  .dock-wrap{padding:12px 12px 0;}
  .dock{height:56px;padding:0 10px 0 14px;gap:8px;}
  .dock-wrap.is-scrolled .dock{height:54px;}
  .btn-dock-cta{display:none;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}