/* roulang page: index */
:root{
  --ink:#060A16;
  --panel:#0B1224;
  --jade:#2EE6C5;
  --jade-light:#6BF2DA;
  --jade-dark:#17B99F;
  --amber:#FFAE47;
  --t1:#EDF2FF;
  --t2:#A7B4D2;
  --t3:#6C7A9E;
  --glass:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.10);
  --r-card:16px;
  --r-hero:20px;
  --r-btn:10px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-hover:0 16px 40px -16px rgba(0,0,0,.75);
  --shadow-glow:0 0 0 1px rgba(46,230,197,.35), 0 10px 32px -10px rgba(46,230,197,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:
    radial-gradient(620px 420px at 94% -6%, rgba(46,230,197,.12), transparent 70%),
    radial-gradient(540px 380px at -6% 86%, rgba(255,174,71,.07), transparent 70%),
    var(--ink);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 32px}}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
.no-scrollbar::-webkit-scrollbar{display:none}

/* 顶部进度条 */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:70;background:transparent;pointer-events:none}
.progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--jade),var(--jade-light));box-shadow:0 0 12px rgba(46,230,197,.6);transition:width .12s linear}

/* 导航 */
.head-top{position:sticky;top:0;z-index:50;height:64px;background:rgba(6,10,22,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08)}
@media(min-width:1024px){.head-top{height:72px}}
.head-top-inner{height:100%;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{width:26px;height:26px;color:var(--jade);flex:none}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.brand-name em{font-style:normal;font-size:.76em;font-weight:700;color:var(--t2);letter-spacing:.02em}
.search-box{display:none;align-items:center;gap:8px;margin-left:8px;flex:1;max-width:420px;height:42px;padding:0 6px 0 14px;background:var(--glass);border:1px solid var(--line);border-radius:999px;backdrop-filter:blur(14px)}
@media(min-width:1024px){.search-box{display:flex}}
.search-box svg{width:17px;height:17px;color:var(--t3);flex:none}
.search-box input{flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--t1);min-width:0}
.search-box input::placeholder{color:var(--t3)}
.search-box button{height:32px;padding:0 16px;border:0;border-radius:999px;background:rgba(46,230,197,.14);color:var(--jade);font-size:13px;font-weight:700;cursor:pointer;transition:background .2s ease-out,color .2s ease-out}
.search-box button:hover{background:rgba(46,230,197,.24);color:var(--jade-light)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--t2);cursor:pointer;transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out}
.icon-btn:hover{border-color:rgba(46,230,197,.4);color:var(--jade);transform:translateY(-1px)}
.head-tabs{position:sticky;top:64px;z-index:40;height:48px;background:rgba(6,10,22,.68);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}
@media(min-width:1024px){.head-tabs{top:72px}}
.tabs-scroll{height:100%;display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-top:4px}
.tab{scroll-snap-align:start;flex:none;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--t2);border-bottom:2px solid transparent;transition:background .2s ease-out,color .2s ease-out}
.tab:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.tab.is-active{background:rgba(46,230,197,.12);color:var(--jade);border-bottom-color:var(--jade);font-weight:600}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,14,.66);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:60}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:linear-gradient(180deg,#0A1020,#070C18);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .26s ease-out;z-index:61;padding:20px;overflow-y:auto}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-open .drawer{transform:translateX(0)}
.drawer-title{font-size:13px;letter-spacing:.06em;color:var(--t3);margin:22px 0 10px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;background:var(--glass);border:1px solid var(--line);margin-bottom:8px;font-size:15px;color:var(--t1);transition:border-color .2s ease-out,transform .2s ease-out}
.drawer-link:hover{border-color:rgba(46,230,197,.4);transform:translateX(-2px)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 8px 0 14px;background:var(--glass);border:1px solid var(--line);border-radius:999px;margin-top:8px}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;min-width:0}
.drawer-search button{height:32px;padding:0 14px;border:0;border-radius:999px;background:var(--jade);color:#04201B;font-size:13px;font-weight:700;cursor:pointer}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .2s ease-out,background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out}
.btn-primary{background:var(--jade);color:#04201B;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--jade-light);transform:translateY(-1px)}
.btn-primary:active{background:var(--jade-dark)}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--t1);backdrop-filter:blur(14px)}
.btn-ghost:hover{border-color:rgba(46,230,197,.4);color:var(--jade)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--jade);font-weight:600;font-size:15px;border-bottom:1px solid rgba(46,230,197,.5);padding-bottom:2px;transition:color .2s ease-out,border-color .2s ease-out}
.btn-text:hover{color:var(--amber);border-color:var(--amber)}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* 通用标签 */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--amber);font-weight:600}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;font-size:13px;color:var(--t2);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600}
.badge-jade{background:rgba(46,230,197,.12);color:var(--jade);border:1px solid rgba(46,230,197,.24)}
.badge-amber{background:rgba(255,174,71,.12);color:var(--amber);border:1px solid rgba(255,174,71,.24)}

/* 卡片 */
.card-glass{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out}
.card-glass::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(46,230,197,.55),rgba(46,230,197,0) 70%)}
.card-glass:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.35);box-shadow:var(--shadow-hover)}
.card-pad{padding:22px}
.media{position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--line);aspect-ratio:16/10;background:#0A1020}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.card-glass:hover .media img{transform:scale(1.03)}
.media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,22,.15),rgba(6,10,22,.6))}

/* Hero */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.06)}
@media(min-width:1024px){.hero{min-height:min(640px,88vh)}}
.hero-ambient{position:absolute;inset:0;background:
  radial-gradient(520px 380px at 82% 12%, rgba(46,230,197,.12), transparent 70%),
  radial-gradient(460px 340px at 4% 96%, rgba(255,174,71,.07), transparent 70%);
  pointer-events:none}
.hero-grid{position:relative;display:grid;gap:40px;padding:56px 0}
@media(min-width:1024px){.hero-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:32px;padding:72px 0}}
.hero-copy{grid-column:span 12}
@media(min-width:1024px){.hero-copy{grid-column:span 7}}
.hero-visual{grid-column:span 12}
@media(min-width:1024px){.hero-visual{grid-column:span 5}}
.hero h1{font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:800;margin:16px 0 18px;letter-spacing:0}
.hero-lead{font-size:16px;line-height:1.85;color:var(--t2);max-width:38em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-shot{position:relative;border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;box-shadow:var(--shadow-card)}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-shot::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,22,.35),rgba(6,10,22,.62))}
.hero-stat{position:absolute;right:14px;top:14px;z-index:2;padding:14px 16px;border-radius:14px;background:rgba(9,15,30,.78);border:1px solid var(--line);backdrop-filter:blur(16px);box-shadow:var(--shadow-card)}
.hero-stat dl{display:flex;gap:16px;margin:0}
.hero-stat dt{font-size:11px;color:var(--t3);font-weight:500}
.hero-stat dd{margin:0;font-size:20px;font-weight:800;color:var(--jade);font-variant-numeric:tabular-nums;line-height:1.3}

/* 板块 */
.section{padding:64px 0;position:relative}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:linear-gradient(180deg,rgba(11,18,36,.85),rgba(6,10,22,.2));border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.25;font-weight:700;margin-top:10px}
.section-sub{color:var(--t2);font-size:15px;max-width:52em;margin-top:10px}
[id]{scroll-margin-top:124px}

/* Bento */
.bento{display:grid;gap:20px}
@media(min-width:768px){.bento{grid-template-columns:repeat(12,minmax(0,1fr))}}
.bento-main{grid-column:span 12}
@media(min-width:768px){.bento-main{grid-column:span 7;grid-row:span 2}}
.bento-side{grid-column:span 12}
@media(min-width:768px){.bento-side{grid-column:span 5}}
.bento-small{grid-column:span 12}
@media(min-width:640px){.bento-small{grid-column:span 6}}
@media(min-width:1024px){.bento-small{grid-column:span 4}}
.point-list li{position:relative;padding-left:18px;color:var(--t2);font-size:14.5px;line-height:1.8;margin-top:8px}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--jade)}
.icon-box{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:rgba(46,230,197,.12);color:var(--jade);border:1px solid rgba(46,230,197,.24)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media(min-width:768px){.stats{display:flex;justify-content:center;gap:0}}
.stat{text-align:center;padding:6px 10px}
@media(min-width:768px){.stat{flex:1;border-right:1px solid rgba(255,255,255,.08)}.stat:last-child{border-right:0}}
.stat b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.2;color:var(--jade);font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13px;color:var(--t2);margin-top:6px}
.stat.is-amber b{color:var(--amber)}

/* 场景横滚 */
.track-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px}
.track-card{flex:none;width:300px;scroll-snap-align:start}
@media(min-width:640px){.track-card{width:340px}}
.track-hint{margin-top:10px;font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px}

/* 列表行 */
.row-list{display:flex;flex-direction:column;gap:12px}
.row-item{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:14px;background:var(--glass);border:1px solid var(--line);transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out}
.row-item:hover{transform:translateX(2px);border-color:rgba(46,230,197,.35);background:linear-gradient(90deg,rgba(46,230,197,.08),rgba(255,255,255,.03))}
.row-index{flex:none;width:34px;font-size:15px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums}
.row-body{min-width:0;flex:1}
.row-body h3{font-size:16px;font-weight:700;line-height:1.45}
.row-body p{font-size:13.5px;color:var(--t2);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-arrow{flex:none;color:var(--t3);transition:color .2s ease-out,transform .2s ease-out}
.row-item:hover .row-arrow{color:var(--jade);transform:translateX(2px)}

/* 资讯区 */
.news-grid{display:grid;gap:20px}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(12,minmax(0,1fr))}}
.news-feature{grid-column:span 12}
@media(min-width:1024px){.news-feature{grid-column:span 6}}
.news-side{grid-column:span 12;display:flex;flex-direction:column;gap:14px}
@media(min-width:1024px){.news-side{grid-column:span 6}}
.news-cover{aspect-ratio:16/9}
.news-title{font-size:19px;font-weight:700;line-height:1.45;margin-top:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14.5px;color:var(--t2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:14px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:200px;max-height:220px;text-align:center;border-radius:var(--r-card);border:1px dashed rgba(255,255,255,.14);background:rgba(255,255,255,.03);padding:26px}
.empty-state p{color:var(--t2);font-size:15px}

/* 方案交替 */
.plan-row{display:grid;gap:24px;align-items:center;padding:26px 0;border-top:1px solid rgba(255,255,255,.07)}
.plan-row:first-of-type{border-top:0}
@media(min-width:1024px){.plan-row{grid-template-columns:repeat(12,minmax(0,1fr));gap:40px;padding:34px 0}}
.plan-copy{grid-column:span 12}
@media(min-width:1024px){.plan-copy{grid-column:span 6}}
.plan-visual{grid-column:span 12}
@media(min-width:1024px){.plan-visual{grid-column:span 6}}
@media(min-width:1024px){.plan-row.reverse .plan-copy{order:2}.plan-row.reverse .plan-visual{order:1}}
.plan-num{font-size:32px;font-weight:800;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1}
.plan-copy h3{font-size:20px;font-weight:700;margin:12px 0 10px}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{border-radius:14px;background:var(--glass);border:1px solid var(--line);overflow:hidden;transition:border-color .2s ease-out}
.faq-item.is-open{border-color:rgba(46,230,197,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:transparent;border:0;text-align:left;cursor:pointer;font-size:16px;font-weight:700;line-height:1.5}
.faq-icon{flex:none;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(46,230,197,.12);color:var(--jade);font-size:18px;font-weight:700;transition:transform .24s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--t2)}

/* 表单 */
.contact-grid{display:grid;gap:24px}
@media(min-width:1024px){.contact-grid{grid-template-columns:repeat(12,minmax(0,1fr));gap:32px}}
.contact-info{grid-column:span 12}
@media(min-width:1024px){.contact-info{grid-column:span 5}}
.contact-card{grid-column:span 12}
@media(min-width:1024px){.contact-card{grid-column:span 7}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--t2);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{width:100%;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;color:var(--t1);outline:none;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(46,230,197,.55);box-shadow:0 0 0 4px rgba(46,230,197,.12)}
.field select option{background:#0B1224;color:var(--t1)}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field-row{display:grid;gap:16px}
@media(min-width:640px){.field-row{grid-template-columns:1fr 1fr}}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--t2);line-height:1.7}
.check input{width:18px;height:18px;margin-top:3px;accent-color:#2EE6C5}
.form-note{margin-top:14px;padding:12px 14px;border-radius:12px;font-size:14px;border:1px solid rgba(46,230,197,.3);background:rgba(46,230,197,.1);color:var(--jade-light)}
.form-note[hidden]{display:none}
.info-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:14.5px;color:var(--t2)}
.info-list li:last-child{border-bottom:0}
.info-list strong{color:var(--t1);font-weight:600}
.trust-line{margin-top:22px;font-size:13px;color:var(--t3);display:flex;flex-wrap:wrap;gap:16px}

/* 页脚 */
.site-footer{position:relative;background:#04070F;border-top:1px solid rgba(255,255,255,.07);padding:56px 0 28px;margin-top:8px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(46,230,197,0),rgba(46,230,197,.7),rgba(46,230,197,0))}
.footer-grid{display:grid;gap:28px}
@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 1.2fr}}
.footer-title{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:14px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--t2);transition:color .2s ease-out,padding-left .2s ease-out}
.footer-links a:hover{color:var(--jade);padding-left:3px}
.footer-text{font-size:14px;color:var(--t2);line-height:1.85}
.qr-box{width:96px;height:96px;border-radius:14px;border:1px solid var(--line);background:var(--glass);display:flex;align-items:center;justify-content:center;color:var(--t3);font-size:12px;text-align:center;padding:8px;margin-top:12px}
.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--t3)}

/* 返回顶部 */
.to-top{position:fixed;right:20px;bottom:24px;width:56px;height:56px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(9,15,30,.8);border:1px solid var(--line);backdrop-filter:blur(14px);color:var(--t2);cursor:pointer;z-index:55;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out,border-color .2s ease-out,color .2s ease-out}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:rgba(46,230,197,.45);color:var(--jade)}

@media(max-width:360px){
  .hero h1{font-size:26px}
  .card-pad{padding:18px}
  .btn{padding:0 18px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .card-glass:hover{transform:none}
  .card-glass:hover .media img{transform:none}
  .row-item:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#060A16;
  --base2:#0B1224;
  --jade:#2EE6C5;
  --jade-hi:#6BF2DA;
  --jade-lo:#17B99F;
  --amber:#FFAE47;
  --tx:#EDF2FF;
  --tx2:#A7B4D2;
  --tx3:#6C7A9E;
  --glass:rgba(255,255,255,.055);
  --glass2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.16);
  --r-sm:10px;
  --r:16px;
  --r-lg:20px;
  --sh-card:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-hover:0 16px 40px -16px rgba(0,0,0,.75);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  background-color:var(--ink);
  color:var(--tx);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(680px 420px at 88% -6%, rgba(46,230,197,.12), transparent 62%),
    radial-gradient(560px 380px at 2% 82%, rgba(255,174,71,.07), transparent 66%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px;width:100%}
@media (min-width:768px){.wrap{padding:0 24px}}
@media (min-width:1024px){.wrap{padding:0 32px}}
.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
.no-scrollbar::-webkit-scrollbar{display:none;height:0;width:0}
.num{font-variant-numeric:tabular-nums}
h1,h2,h3{letter-spacing:0}

/* ============ 顶部导航 ============ */
.site-head{position:sticky;top:0;z-index:50}
.head-top{
  background:rgba(6,10,22,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.head-top-inner{display:flex;align-items:center;gap:16px;height:64px}
@media (min-width:1024px){.head-top-inner{height:72px;gap:24px}}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;color:var(--jade);flex:none}
.brand-name{
  font-weight:800;
  font-size:17px;
  line-height:1;
  white-space:nowrap;
  color:var(--tx);
  letter-spacing:0;
}
.brand-name em{font-style:normal;font-size:.72em;font-weight:700;color:var(--jade)}
@media (min-width:640px){.brand-name{font-size:19px}}
.search-box{
  display:none;
  flex:1;
  align-items:center;
  gap:10px;
  max-width:420px;
  height:42px;
  padding:0 6px 0 14px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .2s ease-out;
}
@media (min-width:1024px){.search-box{display:flex}}
.search-box:focus-within{border-color:rgba(46,230,197,.5)}
.search-box svg{width:18px;height:18px;flex:none;color:var(--tx3)}
.search-box input{flex:1;min-width:0;height:100%;background:transparent;border:0;outline:none;font-size:14px}
.search-box input::placeholder{color:var(--tx3)}
.search-box button{
  flex:none;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(46,230,197,.14);
  color:var(--jade);
  font-size:13px;
  font-weight:600;
  transition:background .2s ease-out,color .2s ease-out;
}
.search-box button:hover{background:rgba(46,230,197,.24)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-primary{
  background:var(--jade);
  color:#04201B;
  box-shadow:0 0 0 1px rgba(46,230,197,.35),0 10px 32px -10px rgba(46,230,197,.5);
}
.btn-primary:hover{background:var(--jade-hi);transform:translateY(-1px)}
.btn-primary:active{background:var(--jade-lo);transform:none}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line2);
  color:var(--tx);
}
.btn-ghost:hover{border-color:rgba(46,230,197,.4);transform:translateY(-1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;pointer-events:none}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--tx2);
  transition:border-color .2s ease-out,color .2s ease-out;
}
.icon-btn:hover{border-color:rgba(46,230,197,.4);color:var(--tx)}
.head-actions .btn.hidden{display:none}
@media (min-width:640px){.head-actions .btn.hidden{display:inline-flex}}
@media (min-width:1024px){.head-actions .icon-btn{display:none}}
.head-tabs{
  background:rgba(6,10,22,.62);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.tabs-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.tab{
  position:relative;
  flex:none;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--tx2);
  white-space:nowrap;
  scroll-snap-align:start;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.tab:hover{background:rgba(255,255,255,.06);color:var(--tx)}
.tab.is-active{background:rgba(46,230,197,.12);color:var(--jade)}
.tab.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-7px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--jade);
}

/* ============ 阅读进度 ============ */
.read-progress{
  position:fixed;
  top:0;
  left:0;
  height:2px;
  width:0;
  z-index:70;
  background:linear-gradient(90deg,var(--jade-lo),var(--jade));
  box-shadow:0 0 12px rgba(46,230,197,.6);
  transition:width .12s linear;
  pointer-events:none;
}
.read-progress[hidden]{display:none}

/* ============ 面包屑 / 标题区 ============ */
.page-main{padding-top:28px}
@media (min-width:1024px){.page-main{padding-top:40px}}
.crumb{
  display:inline-flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  max-width:100%;
  padding:8px 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--tx3);
}
.crumb a{color:var(--tx2);transition:color .18s ease-out}
.crumb a:hover{color:var(--jade)}
.crumb .sep{color:rgba(255,255,255,.22)}
.crumb .cur{
  display:inline-block;
  max-width:min(52vw,300px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  vertical-align:bottom;
  color:var(--tx3);
}
.article-head{margin-top:26px}
.article-head h1{
  font-size:clamp(24px,3.6vw,40px);
  font-weight:800;
  line-height:1.28;
  color:#fff;
  max-width:900px;
}
.meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  font-size:13.5px;
  color:var(--tx3);
}
.meta-row .dot{color:rgba(255,255,255,.22)}
.pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(46,230,197,.12);
  border:1px solid rgba(46,230,197,.24);
  color:var(--jade);
  transition:background-color .18s ease-out;
}
a.pill:hover{background:rgba(46,230,197,.22)}
.head-line{
  height:1px;
  margin-top:24px;
  background:linear-gradient(90deg,rgba(46,230,197,.5),rgba(46,230,197,0));
}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  margin-top:40px;
}
.article-main{min-width:0;max-width:780px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px}
}
.toc{display:none}
@media (min-width:1024px){
  .toc{display:block;position:sticky;top:136px;align-self:start}
}
.toc-card{
  position:relative;
  padding:20px;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);
  overflow:hidden;
}
.toc-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,.7),rgba(46,230,197,0) 70%);
}
.toc-title{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--tx3);
  margin-bottom:12px;
}
.toc-list{list-style:none;max-height:50vh;overflow:auto}
.toc-list a{
  display:block;
  padding:6px 10px;
  font-size:14px;
  line-height:1.6;
  color:var(--tx2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{color:var(--tx);background:rgba(255,255,255,.05)}
.toc-list a.is-current{color:var(--jade);border-left-color:var(--jade);background:rgba(46,230,197,.08)}
.toc-list .lvl-3 a{padding-left:22px;font-size:13px;color:var(--tx3)}
.toc-list .lvl-3 a:hover{color:var(--tx2)}
.toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.toc-foot p{font-size:13px;color:var(--tx3);margin-bottom:12px}
.toc-mobile{
  margin-bottom:22px;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
}
@media (min-width:1024px){.toc-mobile{display:none}}
.toc-mobile summary{
  padding:14px 18px;
  font-size:14px;
  font-weight:600;
  color:var(--tx);
  cursor:pointer;
  list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";float:right;color:var(--jade)}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile .toc-list{padding:0 10px 14px}

/* ============ 长文排版 ============ */
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#DCE4F7;
  max-width:42em;
  word-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body > * + *{margin-top:1.15em}
.article-body p{margin:0 0 1.2em}
.article-body p:first-of-type{font-size:18px;color:#E9EFFC}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.42;
  color:#fff;
  scroll-margin-top:140px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.2em;bottom:.2em;
  width:3px;
  border-radius:3px;
  background:var(--jade);
}
.article-body h3{
  margin:28px 0 12px;
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  color:#fff;
  scroll-margin-top:140px;
}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:#fff}
.article-body ul{list-style:none;margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin:.5em 0}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--jade);
  opacity:.85;
}
.article-body ol{list-style:none;counter-reset:artol;margin:0 0 1.2em}
.article-body ol li{counter-increment:artol;position:relative;padding-left:32px;margin:.5em 0}
.article-body ol li::before{
  content:counter(artol);
  position:absolute;
  left:0;top:.28em;
  width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;
  border-radius:6px;
  background:rgba(255,174,71,.14);
  color:var(--amber);
  font-size:12px;
  font-weight:700;
  line-height:1;
}
.article-body li > ul,.article-body li > ol{margin-top:.4em}
.article-body blockquote{
  margin:1.5em 0;
  padding:18px 22px;
  border-left:3px solid var(--jade);
  border-radius:0 14px 14px 0;
  background:var(--glass);
  color:var(--tx2);
  font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body strong{color:#fff;font-weight:700}
.article-body a{
  color:var(--jade);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:color .18s ease-out;
}
.article-body a:hover{color:var(--amber)}
.article-body img{
  width:auto;
  max-width:100%;
  height:auto;
  margin:1.5em auto;
  border-radius:14px;
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--tx3);text-align:center;margin-top:10px}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  line-height:1.7;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
}
.article-body th{
  background:rgba(46,230,197,.10);
  color:#fff;
  text-align:left;
  font-weight:600;
  padding:12px 16px;
  white-space:nowrap;
}
.article-body td{padding:12px 16px;border-top:1px solid var(--line);color:var(--tx2)}
.article-body tr:hover td{background:rgba(255,255,255,.03)}
.article-body .table-wrap{overflow-x:auto;margin:1.6em 0;border-radius:14px}
.article-body code{
  font-size:.92em;
  padding:2px 6px;
  border-radius:6px;
  background:rgba(255,255,255,.07);
  color:#E9EFFC;
}

/* ============ 空态 ============ */
.empty-state{
  padding:56px 24px;
  text-align:center;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.empty-state svg{width:56px;height:56px;color:var(--tx3);margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--tx2);max-width:460px;margin:0 auto 24px}

/* ============ 通用板块 ============ */
.sec{margin-top:72px}
@media (min-width:1024px){.sec{margin-top:96px}}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;color:#fff}
.sec-head p{font-size:14.5px;color:var(--tx3);margin-top:8px}
.sec-link{
  font-size:14px;
  color:var(--jade);
  padding-bottom:2px;
  border-bottom:1px solid rgba(46,230,197,.4);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.sec-link:hover{color:var(--amber);border-color:rgba(255,174,71,.5)}

/* ============ 卡片 ============ */
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,.7),rgba(46,230,197,0) 70%);
  z-index:2;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(46,230,197,.35)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#080D1B}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45;color:#fff}
.card-body p{font-size:14.5px;color:var(--tx2);line-height:1.75}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--tx3);margin-top:auto}
.card-more{font-size:14px;color:var(--jade);display:inline-flex;align-items:center;gap:6px}
.card:hover .card-more{color:var(--jade-hi)}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.grid-3{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}

/* ============ 继续浏览 ============ */
.pager{display:grid;grid-template-columns:1fr;gap:18px;margin-top:56px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:20px 22px;
  border-radius:var(--r);
  background:var(--glass);
  border:1px solid var(--line);
  transition:border-color .2s ease-out,transform .2s ease-out,background-color .2s ease-out;
}
.pager-card:hover{border-color:rgba(46,230,197,.4);transform:translateY(-2px);background:rgba(255,255,255,.07)}
.pager-dir{font-size:13px;color:var(--tx3);display:inline-flex;align-items:center;gap:8px}
.pager-card strong{font-size:16px;font-weight:700;color:var(--tx);line-height:1.6}
.pager-card span.arrow{color:var(--jade);font-size:14px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  margin-top:80px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(rgba(6,10,22,.72),rgba(6,10,22,.86)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,0),rgba(46,230,197,.75),rgba(46,230,197,0));
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:36px 24px;
}
@media (min-width:1024px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 44px;gap:48px}
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.35}
.cta-inner p{font-size:15px;color:var(--tx2);margin-top:10px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:96px;
  background:#04070F;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,0),rgba(46,230,197,.7),rgba(46,230,197,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding:52px 0 30px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--jade)}
.footer-text{font-size:14px;line-height:1.85;color:var(--tx3);max-width:360px}
.footer-title{font-size:13px;letter-spacing:.06em;color:var(--tx3);margin-bottom:14px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--tx2);transition:color .18s ease-out}
.footer-links a:hover{color:var(--jade)}
.qr-box{
  margin-top:18px;
  width:118px;
  height:118px;
  padding:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:var(--tx3);
  border-radius:12px;
  background:var(--glass);
  border:1px dashed var(--line2);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding:20px 0 32px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx3);
}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(3,6,14,.66);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  z-index:90;
  width:88%;
  max-width:360px;
  padding:20px;
  background:#070C19;
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .24s ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-nav{display:grid;gap:6px;padding:18px 0}
.drawer-nav a{
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--tx2);
  transition:background-color .18s ease-out,color .18s ease-out;
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--tx)}
.drawer-nav a.is-active{background:rgba(46,230,197,.12);color:var(--jade)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:60;
  width:56px;
  height:56px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(6,10,22,.8);
  border:1px solid var(--line2);
  color:var(--tx2);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out,color .2s ease-out;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--jade);border-color:rgba(46,230,197,.45)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .card:hover,.btn-primary:hover,.pager-card:hover{transform:none}
}
@media (max-width:360px){
  body{font-size:15px}
  .brand-name{font-size:15.5px}
  .tab{padding:0 13px;font-size:13px}
  .cta-inner{padding:28px 18px}
}

/* roulang page: category1 */
:root{
  --ink:#060A16;
  --ink-2:#0B1224;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10);
  --jade:#2EE6C5;
  --jade-hi:#6BF2DA;
  --jade-act:#17B99F;
  --amber:#FFAE47;
  --t1:#EDF2FF;
  --t2:#A7B4D2;
  --t3:#6C7A9E;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-hover:0 16px 40px -16px rgba(0,0,0,.75);
  --glow:0 0 0 1px rgba(46,230,197,.35), 0 10px 32px -10px rgba(46,230,197,.5);
  --nav-h:116px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

html body{
  margin:0;
  padding:0;
  min-height:100%;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background-color:var(--ink);
  background-image:
    radial-gradient(760px 520px at 88% -8%, rgba(46,230,197,.12), transparent 70%),
    radial-gradient(620px 480px at -12% 104%, rgba(255,174,71,.07), transparent 70%);
  background-repeat:no-repeat;
  letter-spacing:0;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}

:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

[id]{scroll-margin-top:140px;}

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(6,10,22,.76);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.head-top-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:64px;
}
@media (min-width:1024px){
  .head-top-inner{height:72px;gap:22px;}
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:19px;
  color:var(--t1);
  white-space:nowrap;
  transition:opacity .2s ease-out;
}
.brand:hover{opacity:.9;}
.brand-mark{color:var(--jade);display:inline-flex;flex:0 0 auto;}
.brand-name em{
  font-style:normal;
  font-size:.75em;
  color:var(--t2);
  margin-left:2px;
  letter-spacing:.02em;
  font-weight:700;
}

.search-box{
  display:none;
  flex:1;
  max-width:520px;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 6px 0 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t3);
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search-box svg{width:18px;height:18px;flex:0 0 auto;}
.search-box:focus-within{border-color:rgba(46,230,197,.5);box-shadow:0 0 0 4px rgba(46,230,197,.10);}
.search-box input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  color:var(--t1);
  font-size:14.5px;
  outline:none;
}
.search-box input::placeholder{color:var(--t3);}
.search-box button{
  flex:0 0 auto;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(46,230,197,.14);
  color:var(--jade);
  font-size:13.5px;
  font-weight:700;
  transition:background .2s ease-out,color .2s ease-out;
}
.search-box button:hover{background:rgba(46,230,197,.24);color:var(--jade-hi);}
@media (min-width:1024px){
  .search-box{display:flex;}
}

.head-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}

.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  color:var(--t2);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:rgba(255,255,255,.10);color:var(--t1);border-color:rgba(46,230,197,.35);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-primary{
  background:var(--jade);
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:var(--jade-hi);transform:translateY(-1px);}
.btn-primary:active{background:var(--jade-act);transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--t1);
}
.btn-ghost:hover{border-color:rgba(46,230,197,.45);background:rgba(255,255,255,.09);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--jade);
  font-size:14.5px;
  font-weight:700;
  border-bottom:1px solid rgba(46,230,197,.4);
  padding-bottom:2px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.link-more:hover{color:var(--amber);border-color:rgba(255,174,71,.6);}

/* 频道 Tabs */
.head-tabs{border-top:1px solid rgba(255,255,255,.05);}
.tabs-scroll{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:8px 24px;
  -webkit-overflow-scrolling:touch;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tabs-scroll{scrollbar-width:none;-ms-overflow-style:none;}
.tab{
  position:relative;
  flex:0 0 auto;
  scroll-snap-align:start;
  padding:9px 16px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--t2);
  white-space:nowrap;
  transition:background .2s ease-out,color .2s ease-out;
}
.tab:hover{background:rgba(255,255,255,.06);color:var(--t1);}
.tab.is-active{background:rgba(46,230,197,.12);color:var(--jade);}
.tab.is-active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:-9px;
  height:2px;
  border-radius:2px;
  background:var(--jade);
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:60;
  background:rgba(4,7,15,.68);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:70;
  width:min(88vw,340px);
  padding:20px;
  background:#080D1A;
  border-left:1px solid var(--line);
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.9);
  transform:translateX(104%);
  transition:transform .26s ease-out;
  display:flex;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:46px;
  padding:0 14px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:15px;
  color:var(--t2);
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.drawer-nav a:hover{background:rgba(255,255,255,.09);color:var(--t1);}
.drawer-nav a.is-active{color:var(--jade);border-color:rgba(46,230,197,.35);background:rgba(46,230,197,.10);}
.drawer-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 14px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:var(--t1);font-size:14.5px;}
.drawer-search svg{width:17px;height:17px;color:var(--t3);flex:0 0 auto;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  isolation:isolate;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(100deg, rgba(6,10,22,.90) 8%, rgba(6,10,22,.66) 58%, rgba(6,10,22,.86) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  z-index:-1;
}
.cat-hero-inner{
  padding:64px 0 60px;
  max-width:820px;
}
@media (min-width:1024px){
  .cat-hero-inner{padding:88px 0 84px;}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(46,230,197,.12);
  border:1px solid rgba(46,230,197,.26);
  color:var(--jade);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:0;
  color:#fff;
}
.cat-hero h1 span{color:var(--jade);}
.cat-hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  max-width:640px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:28px;
  max-width:600px;
  height:56px;
  padding:0 8px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.hero-search:focus-within{border-color:rgba(46,230,197,.55);box-shadow:0 0 0 4px rgba(46,230,197,.10);}
.hero-search svg.ico{width:19px;height:19px;color:var(--t3);flex:0 0 auto;}
.hero-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;color:var(--t1);}
.hero-search input::placeholder{color:var(--t3);}
.hero-search button{
  flex:0 0 auto;
  height:42px;
  padding:0 24px;
  border-radius:999px;
  background:var(--jade);
  color:#04140F;
  font-weight:800;
  font-size:14.5px;
  box-shadow:0 8px 26px -12px rgba(46,230,197,.7);
  transition:background .2s ease-out,transform .2s ease-out;
}
.hero-search button:hover{background:var(--jade-hi);transform:translateY(-1px);}
.hero-hints{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hint-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--t2);
}
.hint-pill b{color:var(--t1);font-weight:700;}

/* ============ 指标条 ============ */
.stat-band{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,18,36,.9), rgba(6,10,22,.55));
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px 12px;
  padding:28px 0;
}
@media (min-width:1024px){
  .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding:34px 0;}
  .stat-cell + .stat-cell{border-left:1px solid var(--line);}
}
.stat-cell{text-align:center;padding:0 10px;}
.stat-num{
  font-size:34px;
  line-height:1.1;
  font-weight:800;
  color:var(--jade);
  font-variant-numeric:tabular-nums;
  letter-spacing:0;
}
.stat-num.amber{color:var(--amber);}
.stat-num i{font-style:normal;font-size:.5em;color:var(--t2);margin-left:4px;font-weight:700;}
.stat-label{
  margin-top:8px;
  font-size:13px;
  color:var(--t3);
  letter-spacing:.02em;
}

/* ============ 主体两栏 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){
  .section{padding:88px 0;}
}
.cat-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:1024px){
  .cat-layout{grid-template-columns:236px minmax(0,1fr);gap:56px;}
}

.anchor-nav{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:6px;
  -webkit-overflow-scrolling:touch;
}
.anchor-nav::-webkit-scrollbar{display:none;}
.anchor-nav{scrollbar-width:none;}
.anchor-title{display:none;}
@media (min-width:1024px){
  .anchor-nav{
    position:sticky;
    top:140px;
    display:block;
    align-self:start;
    overflow:visible;
    padding:18px;
    border-radius:var(--r-card);
    background:var(--glass);
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
  }
  .anchor-title{
    display:block;
    font-size:13px;
    font-weight:700;
    color:var(--t3);
    letter-spacing:.06em;
    margin-bottom:14px;
  }
}
.anchor-link{
  display:block;
  flex:0 0 auto;
  padding:9px 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--t2);
  white-space:nowrap;
  border-left:2px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,padding .2s ease-out;
}
.anchor-link:hover{background:rgba(255,255,255,.07);color:var(--t1);}
@media (min-width:1024px){
  .anchor-link{
    border-radius:8px;
    padding:9px 12px 9px 14px;
    font-size:14.5px;
    margin-bottom:2px;
  }
}
.anchor-link.is-active{
  background:rgba(46,230,197,.12);
  color:var(--jade);
  border-left-color:var(--jade);
  font-weight:700;
}

.block-head{margin-bottom:24px;}
.block-head h2{
  font-size:clamp(21px,2.4vw,28px);
  line-height:1.3;
  font-weight:800;
  color:var(--t1);
}
.block-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--t2);
  line-height:1.8;
  max-width:660px;
}

.topic-block{margin-bottom:52px;}
.topic-block:last-of-type{margin-bottom:0;}
.topic-block h2{
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.32;
  font-weight:800;
  color:var(--t1);
  display:flex;
  align-items:center;
  gap:12px;
}
.topic-block h2::before{
  content:"";
  width:4px;
  height:22px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--jade),rgba(46,230,197,.25));
  flex:0 0 auto;
}
.topic-lead{
  margin:12px 0 18px 16px;
  font-size:15px;
  color:var(--t2);
  line-height:1.8;
  max-width:660px;
}
@media (max-width:640px){
  .topic-lead{margin-left:0;}
}

.row-list{display:flex;flex-direction:column;gap:12px;}
.row{
  position:relative;
  display:grid;
  grid-template-columns:56px minmax(0,1fr) auto auto;
  align-items:center;
  gap:16px;
  padding:16px 18px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.row::before{
  content:"";
  position:absolute;
  top:0;
  left:14px;
  right:14px;
  height:1px;
  background:linear-gradient(90deg, rgba(46,230,197,.55), rgba(46,230,197,0) 70%);
  opacity:.7;
}
.row:hover{
  transform:translateX(2px);
  background:linear-gradient(90deg, rgba(46,230,197,.07), rgba(255,255,255,.05) 60%);
  border-color:rgba(46,230,197,.35);
  box-shadow:var(--shadow-hover);
}
.row:hover .row-arrow{color:var(--jade);transform:translateX(3px);}
.row-no{
  font-size:20px;
  font-weight:800;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.row-body{display:block;min-width:0;}
.row-title{
  display:block;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  line-height:1.5;
}
.row-desc{
  display:block;
  margin-top:4px;
  font-size:14px;
  line-height:1.7;
  color:var(--t2);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.row-meta{
  font-size:12.5px;
  color:var(--t3);
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.row-arrow{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:13.5px;
  font-weight:700;
  color:var(--t3);
  white-space:nowrap;
  transition:color .2s ease-out,transform .2s ease-out;
}
@media (max-width:760px){
  .row{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:15px 46px 15px 16px;}
  .row-no{font-size:17px;}
  .row-meta{display:none;}
  .row-arrow{
    position:absolute;
    right:16px;
    top:50%;
    transform:translateY(-50%);
    font-size:0;
  }
  .row-arrow svg{width:16px;height:16px;}
  .row:hover .row-arrow{transform:translateY(-50%) translateX(2px);}
  .row-desc{white-space:normal;}
}

/* 图卡 */
.figure-card{
  margin:36px 0 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--glass);
  box-shadow:var(--shadow-card);
}
.figure-card img{
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
}
.figure-card figcaption{
  padding:14px 18px 16px;
  font-size:13.5px;
  line-height:1.75;
  color:var(--t2);
  border-top:1px solid var(--line);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:26px;}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.faq-item:hover{border-color:rgba(46,230,197,.30);}
.faq-item.is-open{background:rgba(255,255,255,.07);border-color:rgba(46,230,197,.34);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  min-height:56px;
}
.faq-q h3{
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--t1);
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:999px;
  background:rgba(46,230,197,.12);
  border:1px solid rgba(46,230,197,.28);
  transition:transform .24s ease-out,background .2s ease-out;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  background:var(--jade);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(46,230,197,.22);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-item.is-open .faq-a{max-height:460px;}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 72px;}
@media (min-width:1024px){
  .cta-band{padding:0 0 96px;}
}
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  align-items:center;
  padding:32px 28px 34px;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg, rgba(46,230,197,.10), rgba(255,255,255,.05) 55%, rgba(255,174,71,.07));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg, var(--jade), rgba(46,230,197,.15) 60%, rgba(255,174,71,.5));
}
@media (min-width:900px){
  .cta-card{grid-template-columns:minmax(0,1fr) auto;gap:36px;padding:40px 44px;}
}
.cta-card h2{
  font-size:clamp(21px,2.4vw,29px);
  line-height:1.3;
  font-weight:800;
  color:var(--t1);
}
.cta-card p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:linear-gradient(180deg, rgba(11,18,36,.85), rgba(6,10,22,.98));
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg, rgba(46,230,197,.7), rgba(46,230,197,.06) 55%, rgba(255,174,71,.45));
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:52px 0 36px;
}
@media (min-width:720px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 24px;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{color:var(--jade);}
.footer-text{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--t2);
  max-width:340px;
}
.footer-title{
  font-size:14px;
  font-weight:800;
  color:var(--t1);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{
  font-size:14px;
  color:var(--t2);
  transition:color .2s ease-out,transform .2s ease-out;
  display:inline-block;
}
.footer-links a:hover{color:var(--jade);transform:translateX(2px);}
.qr-box{
  margin-top:18px;
  width:120px;
  height:120px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:10px;
  border-radius:14px;
  background:var(--glass);
  border:1px dashed rgba(255,255,255,.18);
  font-size:12.5px;
  line-height:1.6;
  color:var(--t3);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:var(--t3);
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:18px;
  bottom:22px;
  z-index:40;
  width:56px;
  height:56px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  color:var(--t2);
  box-shadow:var(--shadow-card);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--jade);border-color:rgba(46,230,197,.4);}

.fade-up{animation:fadeUp .5s ease-out both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .row:hover{transform:none;}
  .to-top{transform:none;}
}
@media (max-width:360px){
  .wrap{padding:0 14px;}
  .cat-hero h1{font-size:26px;}
  .btn{padding:0 16px;font-size:14px;}
  .stat-num{font-size:28px;}
}

/* roulang page: category2 */
:root{
  --ink:#060A16;
  --ink-2:#0B1224;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.07);
  --jade:#2EE6C5;
  --jade-hover:#6BF2DA;
  --jade-active:#17B99F;
  --amber:#FFAE47;
  --text:#EDF2FF;
  --text-2:#A7B4D2;
  --text-3:#6C7A9E;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --sh-card:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-hover:0 16px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 0 0 1px rgba(46,230,197,.35), 0 10px 32px -10px rgba(46,230,197,.5);
  --head-h:64px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--ink);
  background-image:
    radial-gradient(680px 420px at 88% -6%, rgba(46,230,197,.12), transparent 70%),
    radial-gradient(560px 380px at -8% 68%, rgba(255,174,71,.07), transparent 72%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(46,230,197,.3);}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){ .wrap{padding:0 24px;} }
@media (min-width:1024px){ .wrap{padding:0 32px;} }

/* ============ 头部 ============ */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,22,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.head-top-inner{display:flex;align-items:center;gap:16px;min-height:64px;}
@media (min-width:1024px){ .head-top-inner{min-height:72px;} }

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  color:var(--jade);background:rgba(46,230,197,.10);
  border:1px solid rgba(46,230,197,.28);
  box-shadow:0 0 0 1px rgba(255,255,255,.03) inset;
}
.brand-mark svg{display:block;}
.brand-name{font-weight:800;font-size:19px;letter-spacing:.01em;white-space:nowrap;}
.brand-name em{font-style:normal;font-size:.75em;font-weight:700;color:var(--text-2);margin-left:2px;}

.search-box{
  display:none;align-items:center;gap:8px;flex:1 1 auto;
  max-width:520px;margin:0 auto;height:44px;padding:0 6px 0 14px;
  border-radius:999px;background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease-out, background .2s ease-out;
}
@media (min-width:1024px){ .search-box{display:flex;} }
.search-box:focus-within{border-color:rgba(46,230,197,.45);background:var(--glass-2);}
.search-box svg{width:18px;height:18px;flex:0 0 auto;color:var(--text-3);}
.search-box input{flex:1 1 auto;min-width:0;height:100%;background:transparent;border:0;outline:none;font-size:14px;}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:999px;border:0;
  background:var(--jade);color:#04201B;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s ease-out;
}
.search-box button:hover{background:var(--jade-hover);}

.head-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease-out, border-color .2s ease-out, transform .2s ease-out, color .2s ease-out, box-shadow .2s ease-out;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--jade);color:#04201B;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:var(--jade-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--jade-active);transform:translateY(0);}
.btn-ghost{background:var(--glass);border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(46,230,197,.4);background:var(--glass-2);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none;}

.icon-btn{
  width:44px;height:44px;display:inline-grid;place-items:center;
  border-radius:12px;background:var(--glass);border:1px solid var(--line);
  cursor:pointer;transition:background .2s ease-out, border-color .2s ease-out;
}
.icon-btn:hover{background:var(--glass-2);border-color:rgba(46,230,197,.35);}

.head-tabs{border-top:1px solid var(--line-soft);}
.tabs-scroll{
  display:flex;gap:8px;align-items:center;
  padding-top:8px;padding-bottom:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  position:relative;flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  border-radius:999px;font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .2s ease-out, color .2s ease-out;
}
.tab:hover{background:rgba(255,255,255,.06);color:var(--text);}
.tab.is-active{background:rgba(46,230,197,.12);color:var(--jade);}
.tab.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:-9px;height:2px;
  border-radius:2px;background:var(--jade);
}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(3,6,14,.68);
  backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity .22s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:min(360px,86vw);
  padding:20px 20px 32px;overflow-y:auto;
  background:linear-gradient(180deg,#0B1224 0%,#060A16 100%);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s ease-out;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;border:1px solid transparent;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--text);}
.drawer-nav a.is-active{background:rgba(46,230,197,.12);color:var(--jade);border-color:rgba(46,230,197,.24);}
.search-box--drawer{display:flex;max-width:none;margin:0 0 20px;}

/* ============ 内页横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;min-height:300px;
  display:flex;align-items:stretch;
}
@media (min-width:1024px){ .page-hero{min-height:340px;} }
.page-hero img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,22,.72) 0%,rgba(6,10,22,.55) 45%,rgba(6,10,22,.92) 100%);
}
.page-hero-inner{
  position:relative;z-index:2;width:100%;
  display:flex;flex-direction:column;justify-content:space-between;gap:36px;
  padding-top:26px;padding-bottom:34px;
}
.crumbs{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  padding:8px 15px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.07);border:1px solid var(--line);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.crumbs a{transition:color .2s ease-out;}
.crumbs a:hover{color:var(--jade);}
.crumbs .sep{color:var(--text-3);}
.crumbs .cur{color:var(--text-3);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.06em;
  color:var(--jade);background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.26);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(28px,4.4vw,48px);line-height:1.16;font-weight:800;letter-spacing:.01em;
  max-width:22ch;
}
.hero-sub{margin-top:14px;font-size:clamp(15px,1.6vw,17px);color:var(--text-2);max-width:34ch;}

/* ============ 板块 ============ */
.section{padding:56px 0;scroll-margin-top:120px;}
@media (min-width:1024px){ .section{padding:84px 0;} }
.section-head{margin-bottom:28px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.eyebrow{font-size:13px;letter-spacing:.06em;color:var(--jade);display:block;margin-bottom:10px;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:700;}
h3{font-size:19px;line-height:1.45;font-weight:700;}
.lead{color:var(--text-2);font-size:15px;max-width:62ch;margin-top:12px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--jade);
  border-bottom:1px solid rgba(46,230,197,.5);padding-bottom:2px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.link-more:hover{color:var(--amber);border-color:rgba(255,174,71,.7);}

.glass{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);position:relative;overflow:hidden;
}
.glass::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,.9),rgba(46,230,197,0) 70%);
}

/* 指标条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
}
@media (min-width:900px){ .stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));} }
.stat-item{padding:22px 20px;}
.stat-num{
  font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;color:var(--jade);
}
.stat-item:nth-child(2n) .stat-num{color:var(--amber);}
.stat-num small{font-size:.5em;font-weight:700;margin-left:4px;color:var(--text-2);}
.stat-label{margin-top:10px;font-size:13px;color:var(--text-2);}
.strip-note{margin-top:18px;font-size:14px;color:var(--text-3);}

/* 时间线 */
.timeline{max-width:820px;}
.tl-item{position:relative;padding-left:40px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:10px;top:26px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,rgba(46,230,197,.5),rgba(46,230,197,.05));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:50%;
  background:rgba(46,230,197,.14);border:1px solid var(--jade);
  display:grid;place-items:center;box-shadow:0 0 14px rgba(46,230,197,.42);
}
.tl-dot i{width:7px;height:7px;border-radius:50%;background:var(--jade);display:block;}
.tl-num{font-size:13px;letter-spacing:.06em;color:var(--amber);font-variant-numeric:tabular-nums;}
.tl-item h3{margin:6px 0 8px;}
.tl-item p{color:var(--text-2);font-size:15px;max-width:56ch;}

/* 图文卡 */
.media-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){ .media-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
.media-card{display:flex;flex-direction:column;transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;}
.media-card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.35);box-shadow:var(--sh-hover);}
.media-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.media-card:hover .media-thumb img{transform:scale(1.03);}
.media-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,22,0) 40%,rgba(6,10,22,.72) 100%);
}
.media-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;gap:6px;width:fit-content;
  padding:4px 11px;border-radius:999px;font-size:12px;letter-spacing:.02em;
  color:var(--jade);background:rgba(46,230,197,.12);border:1px solid rgba(46,230,197,.26);
}
.badge-amber{color:var(--amber);background:rgba(255,174,71,.12);border-color:rgba(255,174,71,.26);}
.media-body p{color:var(--text-2);font-size:15px;line-height:1.8;}
.media-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.media-foot .meta{font-size:13px;color:var(--text-3);}
.arrow{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);transition:all .2s ease-out;
}
.media-card:hover .arrow{border-color:rgba(46,230,197,.5);color:var(--jade);transform:translateX(2px);}

/* 指标构成 */
.meter-panel{padding:26px 22px;}
@media (min-width:768px){ .meter-panel{padding:32px 30px;} }
.meter-row{margin-bottom:22px;}
.meter-row:last-child{margin-bottom:0;}
.meter-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px;}
.meter-top strong{font-size:15px;font-weight:600;}
.meter-top span{font-size:14px;color:var(--jade);font-variant-numeric:tabular-nums;}
.meter-row:nth-child(2n) .meter-top span{color:var(--amber);}
.meter-track{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(46,230,197,.55),var(--jade));}
.meter-row:nth-child(2n) .meter-fill{background:linear-gradient(90deg,rgba(255,174,71,.5),var(--amber));}
.meter-note{margin-top:22px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line-soft);padding-top:16px;}

/* FAQ */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;position:relative;border-radius:50%;
  border:1px solid rgba(46,230,197,.4);transition:transform .24s ease-out;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--jade);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:11px;height:1.6px;}
.faq-item summary .plus::after{width:1.6px;height:11px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-answer{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:64ch;}

/* CTA */
.cta-band{
  padding:34px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
@media (min-width:768px){ .cta-band{padding:44px 40px;} }
.cta-band h2{font-size:clamp(21px,2.4vw,28px);}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:52ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 返回顶部 */
.back-top{
  position:fixed;right:18px;bottom:22px;z-index:55;
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:rgba(11,18,36,.85);border:1px solid var(--line);color:var(--text-2);
  backdrop-filter:blur(12px);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s,border-color .2s;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:rgba(46,230,197,.45);color:var(--jade);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;position:relative;
  background:linear-gradient(180deg,rgba(11,18,36,.9),rgba(6,10,22,1));
  border-top:1px solid var(--line-soft);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(46,230,197,0),rgba(46,230,197,.65),rgba(46,230,197,0));
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;
}
@media (min-width:520px){ .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;gap:40px;} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-text{color:var(--text-2);font-size:14px;line-height:1.8;max-width:38ch;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .2s ease-out;}
.footer-links a:hover{color:var(--jade);}
.qr-box{
  margin-top:16px;width:112px;height:112px;border-radius:14px;
  border:1px dashed var(--line);background:rgba(255,255,255,.04);
  display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.6;padding:10px;
}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  .media-card:hover{transform:none;}
  .media-card:hover .media-thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
    --ink:#060A16;
    --base:#0B1224;
    --glass:rgba(255,255,255,.055);
    --line:rgba(255,255,255,.10);
    --line-2:rgba(255,255,255,.06);
    --jade:#2EE6C5;
    --jade-h:#6BF2DA;
    --jade-a:#17B99F;
    --amber:#FFAE47;
    --txt:#EDF2FF;
    --txt2:#A7B4D2;
    --txt3:#6C7A9E;
    --r-card:16px;
    --r-lg:20px;
    --r-btn:10px;
    --sh-card:0 8px 24px -12px rgba(0,0,0,.6);
    --sh-hover:0 16px 40px -16px rgba(0,0,0,.75);
    --sh-glow:0 0 0 1px rgba(46,230,197,.35),0 10px 32px -10px rgba(46,230,197,.5);
    --head-h:112px;
  }
  @media (min-width:1024px){ :root{ --head-h:120px; } }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  body{
    margin:0;
    color:var(--txt);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    background-color:var(--ink);
    background-image:
      radial-gradient(620px 420px at 88% -6%, rgba(46,230,197,.12), transparent 70%),
      radial-gradient(560px 400px at -8% 98%, rgba(255,174,71,.07), transparent 72%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{ max-width:100%; }
  a{ color:inherit; }
  button,input,select,textarea{ font-family:inherit; font-size:inherit; }
  [id]{ scroll-margin-top:calc(var(--head-h) + 18px); }

  .wrap{ width:100%; max-width:1240px; margin:0 auto; padding:0 16px; }
  @media (min-width:768px){ .wrap{ padding:0 24px; } }
  @media (min-width:1024px){ .wrap{ padding:0 32px; } }

  /* ---------- 顶部导航 ---------- */
  .site-head{
    position:sticky; top:0; z-index:60;
    background:rgba(6,10,22,.72);
    -webkit-backdrop-filter:blur(18px); backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line-2);
  }
  .head-top-inner{ display:flex; align-items:center; gap:14px; height:64px; }
  @media (min-width:1024px){ .head-top-inner{ height:72px; gap:20px; } }

  .brand{ display:inline-flex; align-items:center; gap:10px; text-decoration:none; flex:0 0 auto; min-height:44px; }
  .brand-mark{
    display:inline-flex; align-items:center; justify-content:center;
    width:38px; height:38px; border-radius:12px;
    color:var(--jade);
    background:rgba(46,230,197,.10);
    border:1px solid rgba(46,230,197,.28);
  }
  .brand-name{ font-weight:800; font-size:18px; letter-spacing:0; white-space:nowrap; color:var(--txt); }
  .brand-name em{ font-style:normal; font-size:13.5px; font-weight:700; color:var(--txt2); margin-left:2px; }
  @media (min-width:1024px){
    .brand-name{ font-size:20px; }
    .brand-name em{ font-size:15px; }
  }

  .search-box{ display:none; }
  @media (min-width:768px){
    .search-box{
      display:flex; align-items:center; gap:8px;
      flex:1 1 auto; max-width:420px; height:42px;
      padding:0 5px 0 13px; border-radius:999px;
      background:var(--glass); border:1px solid var(--line);
      color:var(--txt3);
      transition:border-color .2s ease-out, box-shadow .2s ease-out, background-color .2s ease-out;
    }
    .search-box:focus-within{ border-color:rgba(46,230,197,.5); box-shadow:0 0 0 4px rgba(46,230,197,.10); }
    .search-box svg{ width:18px; height:18px; flex:0 0 auto; }
    .search-box input{
      flex:1 1 auto; min-width:0; height:40px;
      background:transparent; border:0; outline:none; color:var(--txt); font-size:14px;
    }
    .search-box input::placeholder{ color:var(--txt3); }
    .search-box button{
      flex:0 0 auto; height:32px; padding:0 14px; border-radius:999px; border:0; cursor:pointer;
      background:rgba(46,230,197,.14); color:var(--jade); font-weight:700; font-size:13px;
      transition:background-color .2s ease-out, color .2s ease-out;
    }
    .search-box button:hover{ background:var(--jade); color:#04140F; }
    .search-box button:focus-visible{ outline:2px solid var(--jade); outline-offset:2px; }
  }

  .head-actions{ margin-left:auto; display:flex; align-items:center; gap:10px; }

  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:44px; padding:0 20px; border-radius:var(--r-btn);
    font-size:15px; font-weight:700; text-decoration:none; text-align:center;
    border:1px solid transparent; cursor:pointer;
    transition:transform .2s ease-out, background-color .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out, color .2s ease-out;
  }
  .btn:focus-visible{ outline:2px solid var(--jade); outline-offset:2px; }
  .btn-primary{ background:var(--jade); color:#04140F; box-shadow:var(--sh-glow); }
  .btn-primary:hover{ background:var(--jade-h); transform:translateY(-1px); }
  .btn-primary:active{ background:var(--jade-a); transform:translateY(0); }
  .btn-ghost{ background:var(--glass); color:var(--txt); border-color:var(--line); }
  .btn-ghost:hover{ border-color:rgba(46,230,197,.45); background:rgba(46,230,197,.08); }
  .btn-ghost:active{ background:rgba(46,230,197,.14); }
  .btn-sm{ min-height:38px; padding:0 16px; font-size:14px; }
  .btn[disabled],.btn.is-disabled{ opacity:.45; box-shadow:none; pointer-events:none; }

  .icon-btn{
    display:inline-flex; align-items:center; justify-content:center;
    width:48px; height:48px; border-radius:12px; cursor:pointer;
    background:var(--glass); border:1px solid var(--line); color:var(--txt);
    transition:border-color .2s ease-out, color .2s ease-out, background-color .2s ease-out;
  }
  .icon-btn:hover{ border-color:rgba(46,230,197,.45); color:var(--jade); }
  .icon-btn:focus-visible{ outline:2px solid var(--jade); outline-offset:2px; }

  .head-tabs{ border-top:1px solid var(--line-2); }
  .tabs-scroll{
    display:flex; align-items:center; gap:8px; height:48px;
    overflow-x:auto; scroll-snap-type:x proximity; -webkit-overflow-scrolling:touch;
  }
  .no-scrollbar{ scrollbar-width:none; -ms-overflow-style:none; }
  .no-scrollbar::-webkit-scrollbar{ display:none; }
  .tab{
    position:relative; flex:0 0 auto; scroll-snap-align:start;
    display:inline-flex; align-items:center; height:34px; padding:0 16px;
    border-radius:999px; font-size:14px; font-weight:600; color:var(--txt2); text-decoration:none;
    transition:background-color .2s ease-out, color .2s ease-out;
  }
  .tab:hover{ background:rgba(255,255,255,.06); color:var(--txt); }
  .tab.is-active{ background:rgba(46,230,197,.12); color:var(--jade); }
  .tab.is-active::after{
    content:""; position:absolute; left:50%; bottom:-7px; transform:translateX(-50%);
    width:22px; height:2px; border-radius:2px; background:var(--jade);
  }

  /* ---------- 移动端抽屉 ---------- */
  .drawer-overlay{
    position:fixed; inset:0; z-index:80; background:rgba(4,7,16,.66);
    opacity:0; visibility:hidden; transition:opacity .24s ease-out, visibility .24s ease-out;
  }
  .drawer-overlay.is-open{ opacity:1; visibility:visible; }
  .drawer{
    position:fixed; top:0; right:0; z-index:90; height:100%; width:min(340px,86vw);
    display:flex; flex-direction:column;
    background:#080E1D; border-left:1px solid var(--line);
    transform:translateX(102%); transition:transform .26s ease-out;
  }
  .drawer.is-open{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; padding:14px 16px; border-bottom:1px solid var(--line); }
  .drawer-links{ list-style:none; margin:0; padding:12px; display:grid; gap:6px; overflow-y:auto; }
  .drawer-links a{
    display:flex; align-items:center; justify-content:space-between; gap:10px;
    min-height:48px; padding:12px 14px; border-radius:12px;
    color:var(--txt2); font-size:15px; font-weight:600; text-decoration:none;
    transition:background-color .2s ease-out, color .2s ease-out;
  }
  .drawer-links a:hover{ background:rgba(255,255,255,.06); color:var(--txt); }
  .drawer-links a.is-active{ background:rgba(46,230,197,.12); color:var(--jade); }
  .drawer-foot{ margin-top:auto; padding:16px; border-top:1px solid var(--line); display:grid; gap:10px; }

  /* ---------- Hero ---------- */
  .page-hero{
    position:relative;
    padding:46px 0 54px;
    background-image:
      linear-gradient(180deg, rgba(6,10,22,.90), rgba(6,10,22,.96)),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line-2);
  }
  @media (min-width:1024px){ .page-hero{ padding:64px 0 72px; } }
  .hero-inner{ max-width:860px; margin:0 auto; text-align:center; }
  .breadcrumb{
    display:inline-flex; flex-wrap:wrap; align-items:center; gap:8px;
    padding:7px 15px; margin-bottom:20px; border-radius:999px;
    background:var(--glass); border:1px solid var(--line);
    font-size:13px; color:var(--txt3);
  }
  .breadcrumb a{ color:var(--txt2); text-decoration:none; }
  .breadcrumb a:hover{ color:var(--jade); }
  .breadcrumb .sep{ color:var(--txt3); }
  .hero-title{
    margin:0 0 18px; font-size:clamp(26px,4.2vw,42px); line-height:1.2; font-weight:800; letter-spacing:0;
  }
  .hero-sub{
    margin:0 auto 28px; max-width:700px;
    font-size:16px; line-height:1.85; color:var(--txt2);
  }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }
  .stat-strip{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin-top:32px; }
  .stat{
    display:inline-flex; align-items:baseline; gap:8px; padding:9px 18px;
    border-radius:999px; background:var(--glass); border:1px solid var(--line);
  }
  .stat b{ font-size:21px; font-weight:800; color:var(--jade); font-variant-numeric:tabular-nums; }
  .stat span{ font-size:13px; color:var(--txt2); }

  /* ---------- 通用板块 ---------- */
  .section{ padding:50px 0; }
  @media (min-width:1024px){ .section{ padding:84px 0; } }
  .section-head{
    display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between;
    gap:16px; margin-bottom:26px;
  }
  .section-title{ margin:0; font-size:clamp(22px,2.6vw,32px); line-height:1.3; font-weight:700; }
  .section-desc{ margin:10px 0 0; max-width:700px; font-size:15px; color:var(--txt2); }
  .eyebrow{ display:inline-block; margin-bottom:10px; font-size:13px; font-weight:700; letter-spacing:.06em; color:var(--amber); }

  .glass-card{
    position:relative; overflow:hidden;
    background:var(--glass); border:1px solid var(--line);
    border-radius:var(--r-card); box-shadow:var(--sh-card);
  }
  .glass-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg, rgba(46,230,197,.75), rgba(46,230,197,0) 70%);
  }

  .pill-band{ display:flex; gap:10px; overflow-x:auto; padding:18px 0 4px; scroll-snap-type:x proximity; }
  .pill{
    flex:0 0 auto; scroll-snap-align:start; padding:8px 16px; border-radius:999px;
    background:rgba(255,255,255,.05); border:1px solid var(--line);
    font-size:13.5px; color:var(--txt2); white-space:nowrap;
  }
  .pill-jade{ background:rgba(46,230,197,.12); border-color:rgba(46,230,197,.24); color:var(--jade); }
  .pill-amber{ background:rgba(255,174,71,.12); border-color:rgba(255,174,71,.24); color:var(--amber); }

  .tag{
    display:inline-flex; align-items:center; padding:4px 10px; border-radius:999px;
    font-size:12.5px; font-weight:600;
    background:rgba(46,230,197,.12); border:1px solid rgba(46,230,197,.24); color:var(--jade);
  }
  .tag-amber{ background:rgba(255,174,71,.12); border-color:rgba(255,174,71,.24); color:var(--amber); }

  .link-arrow{
    display:inline-flex; align-items:center; gap:6px;
    color:var(--jade); font-size:14px; font-weight:700; text-decoration:none;
    border-bottom:1px solid rgba(46,230,197,.35); padding-bottom:2px;
    transition:color .2s ease-out, border-color .2s ease-out, gap .2s ease-out;
  }
  .link-arrow:hover{ color:var(--amber); border-color:rgba(255,174,71,.5); gap:10px; }

  /* ---------- 对照表 ---------- */
  .table-shell{ overflow-x:auto; border-radius:var(--r-card); }
  table.cmp{ width:100%; min-width:780px; border-collapse:collapse; font-size:14.5px; }
  .cmp thead th{
    padding:14px 18px; text-align:left; font-size:14px; font-weight:700; color:var(--jade);
    background:rgba(46,230,197,.12); border-bottom:1px solid rgba(46,230,197,.22); white-space:nowrap;
  }
  .cmp tbody td{
    padding:15px 18px; vertical-align:top; line-height:1.7;
    color:var(--txt2); border-bottom:1px solid var(--line-2);
  }
  .cmp tbody tr:last-child td{ border-bottom:0; }
  .cmp tbody tr{ transition:background-color .18s ease-out; }
  .cmp tbody tr:hover td{ background:rgba(46,230,197,.055); }
  .cmp td.row-h{ font-weight:700; color:var(--txt); white-space:nowrap; }
  .cmp td .hl{ color:var(--jade); font-weight:600; }

  .cmp-cards{ display:grid; gap:14px; }
  .cmp-card{ padding:18px 18px 8px; }
  .cmp-card h3{ margin:0 0 10px; font-size:16px; font-weight:700; }
  .cmp-line{
    display:flex; gap:12px; justify-content:space-between;
    padding:9px 0; border-top:1px dashed var(--line-2); font-size:14px;
  }
  .cmp-line span:first-child{ flex:0 0 auto; color:var(--txt3); }
  .cmp-line span:last-child{ text-align:right; color:var(--txt2); }
  @media (max-width:767px){ .table-shell{ display:none; } }
  @media (min-width:768px){ .cmp-cards{ display:none; } }

  /* ---------- 场景卡 ---------- */
  .scene-grid{ display:grid; gap:20px; grid-template-columns:1fr; }
  @media (min-width:768px){ .scene-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .scene-grid{ grid-template-columns:repeat(3,1fr); } }
  .scene-card{
    display:flex; flex-direction:column;
    background:var(--glass); border:1px solid var(--line); border-radius:var(--r-lg);
    box-shadow:var(--sh-card);
    transition:transform .22s ease-out, box-shadow .22s ease-out, border-color .22s ease-out;
  }
  .scene-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-hover); border-color:rgba(46,230,197,.35); }
  .scene-media{ aspect-ratio:16/10; overflow:hidden; border-radius:var(--r-lg) var(--r-lg) 0 0; }
  .scene-media img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .3s ease-out; }
  .scene-card:hover .scene-media img{ transform:scale(1.03); }
  .scene-body{ padding:20px; display:flex; flex-direction:column; gap:12px; flex:1 1 auto; }
  .scene-body h3{ margin:0; font-size:18px; font-weight:700; }
  .scene-body p{ margin:0; font-size:14.5px; color:var(--txt2); line-height:1.8; }
  .scene-body .link-arrow{ margin-top:auto; align-self:flex-start; }

  /* ---------- 时间线 ---------- */
  .steps{ position:relative; padding-left:30px; display:grid; gap:28px; max-width:900px; }
  .steps::before{
    content:""; position:absolute; left:7px; top:8px; bottom:8px; width:2px;
    background:linear-gradient(180deg, rgba(46,230,197,.75), rgba(46,230,197,.06));
  }
  .step{ position:relative; }
  .step::before{
    content:""; position:absolute; left:-30px; top:8px; width:16px; height:16px; border-radius:50%;
    background:var(--jade); box-shadow:0 0 0 4px rgba(46,230,197,.14), 0 0 18px rgba(46,230,197,.45);
  }
  .step-num{ font-size:13px; font-weight:700; letter-spacing:.06em; color:var(--amber); }
  .step h3{ margin:6px 0 8px; font-size:18px; font-weight:700; }
  .step p{ margin:0; font-size:15px; color:var(--txt2); }

  /* ---------- 双栏 ---------- */
  .split{ display:grid; gap:28px; grid-template-columns:1fr; }
  @media (min-width:1024px){ .split{ grid-template-columns:1.35fr 1fr; gap:32px; align-items:start; } }

  .faq{ display:grid; gap:14px; }
  .faq-item{ background:var(--glass); border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden; }
  .faq-q{
    width:100%; min-height:56px; padding:18px 20px;
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    background:transparent; border:0; cursor:pointer; text-align:left;
    color:var(--txt); font-size:16px; font-weight:700;
    transition:color .2s ease-out;
  }
  .faq-q:hover{ color:var(--jade); }
  .faq-q:focus-visible{ outline:2px solid var(--jade); outline-offset:-3px; }
  .plus{ position:relative; flex:0 0 auto; width:20px; height:20px; color:var(--jade); transition:transform .24s ease-out; }
  .plus::before,.plus::after{
    content:""; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
    background:currentColor; border-radius:2px;
  }
  .plus::before{ width:14px; height:2px; }
  .plus::after{ width:2px; height:14px; }
  .faq-item.is-open .plus{ transform:rotate(45deg); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .24s ease-out; }
  .faq-a p{ margin:0; padding:0 20px 20px; font-size:15px; line-height:1.8; color:var(--txt2); }

  .sticky-card{ padding:24px; }
  @media (min-width:1024px){ .sticky-card{ position:sticky; top:calc(var(--head-h) + 24px); } }
  .sticky-card h3{ margin:0 0 6px; font-size:19px; font-weight:700; }
  .sticky-card .sub{ margin:0 0 18px; font-size:14px; color:var(--txt3); }
  .tips-list{ list-style:none; margin:0 0 20px; padding:0; display:grid; gap:14px; }
  .tips-list li{ display:flex; gap:12px; font-size:14.5px; color:var(--txt2); line-height:1.75; }
  .tips-list li::before{
    content:""; flex:0 0 auto; width:8px; height:8px; margin-top:9px; border-radius:2px; background:var(--jade);
  }
  .sticky-card .btn{ width:100%; }

  /* ---------- 联系与页尾 CTA ---------- */
  .contact-list{ list-style:none; margin:0; padding:0; display:grid; gap:12px; }
  .contact-list li{
    display:flex; gap:12px; align-items:flex-start;
    padding:14px 16px; border-radius:14px;
    background:var(--glass); border:1px solid var(--line);
    font-size:14.5px; color:var(--txt2);
  }
  .contact-list li strong{ display:block; margin-bottom:2px; font-size:15px; font-weight:700; color:var(--txt); }
  .cta-tail{
    display:flex; align-items:center; justify-content:center; gap:22px; flex-wrap:wrap; margin-top:30px;
  }
  .divider-v{ width:1px; height:28px; background:var(--line); }
  @media (max-width:520px){ .divider-v{ display:none; } }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative; margin-top:20px; padding:52px 0 26px;
    background:#04070F; border-top:1px solid var(--line-2);
  }
  .site-footer::before{
    content:""; position:absolute; top:0; left:0; right:0; height:1px;
    background:linear-gradient(90deg, rgba(46,230,197,0), rgba(46,230,197,.6), rgba(46,230,197,0));
  }
  .footer-grid{ display:grid; gap:28px; 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:1.4fr 1fr 1fr 1.1fr; } }
  .footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
  .footer-text{ margin:0; max-width:360px; font-size:14px; line-height:1.8; color:var(--txt2); }
  .footer-title{ margin:0 0 14px; font-size:14px; font-weight:700; color:var(--txt); }
  .footer-links{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
  .footer-links a{ color:var(--txt2); font-size:14px; text-decoration:none; }
  .footer-links a:hover{ color:var(--jade); }
  .qr-box{
    margin-top:14px; display:inline-flex; align-items:center; justify-content:center;
    width:112px; height:112px; padding:8px; border-radius:14px;
    background:var(--glass); border:1px dashed var(--line);
    font-size:12.5px; line-height:1.5; color:var(--txt3); text-align:center;
  }
  .footer-bottom{
    margin-top:34px; padding-top:20px; border-top:1px solid var(--line-2);
    display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between;
    font-size:13px; color:var(--txt3);
  }

  .to-top{
    position:fixed; right:18px; bottom:22px; z-index:70;
    width:56px; height:56px; border-radius:50%; cursor:pointer;
    display:inline-flex; align-items:center; justify-content:center;
    background:rgba(255,255,255,.07); border:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
    color:var(--txt); opacity:0; visibility:hidden;
    transition:opacity .24s ease-out, visibility .24s ease-out, color .2s ease-out, border-color .2s ease-out;
  }
  .to-top.is-show{ opacity:1; visibility:visible; }
  .to-top:hover{ color:var(--jade); border-color:rgba(46,230,197,.5); }
  .to-top:focus-visible{ outline:2px solid var(--jade); outline-offset:2px; }

  @media (max-width:520px){
    .section{ padding:44px 0; }
    .hero-actions .btn{ width:100%; }
    .stat{ padding:8px 14px; }
  }
  @media (max-width:360px){
    body{ font-size:15px; }
    .brand-name{ font-size:16px; }
    .brand-name em{ font-size:12.5px; }
    .brand-mark{ width:34px; height:34px; }
  }

  @media (prefers-reduced-motion:reduce){
    html{ scroll-behavior:auto; }
    *,*::before,*::after{ transition:none !important; animation:none !important; }
    .scene-card:hover{ transform:none; }
  }