/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --surface:#0E1B29;
  --surface-2:#122335;
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warn:#FF9F1C;
  --text:#E8F1F8;
  --muted:#9FB3C4;
  --weak:#6B7F91;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --glass-hover:rgba(255,255,255,.08);
  --glass-border:rgba(120,190,255,.18);
  --r-card:18px;
  --r-panel:20px;
  --r-btn:999px;
  --r-img:16px;
  --r-input:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --glow-accent:0 8px 28px rgba(198,242,78,.22);
  --glow-primary:0 0 0 1px rgba(30,155,255,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  --container:1200px;
}

/* ================= Reset / base ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -8%,rgba(30,155,255,.15),transparent 62%),
    radial-gradient(760px 460px at 94% 2%,rgba(23,209,232,.10),transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-2);text-decoration:none;background-color:transparent;transition:color .2s ease}
a:hover,a:focus{color:var(--accent)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.25;color:var(--text);letter-spacing:.3px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
time{font-variant-numeric:tabular-nums}
::selection{background:rgba(198,242,78,.28);color:#fff}

/* 覆盖 Foundation 默认味道 */
body,button,input,select,textarea{font-family:var(--font-cn)}
a{color:var(--primary-2)}
a:hover{color:var(--accent)}
button,.button{background-image:none}
[type=text],[type=tel],[type=email],select,textarea{border-radius:var(--r-input);box-shadow:none}

/* ================= 容器与通用 ================= */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,20,32,0) 0%,rgba(10,20,32,.9) 18%,rgba(10,20,32,.9) 82%,rgba(10,20,32,0) 100%)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:2px;color:var(--primary-2);
  padding:6px 14px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--glass-border);
  margin-bottom:18px;
}
.eyebrow i{font-size:11px}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px;line-height:1.3}
.section-head h2 .hl{color:var(--accent)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head-txt{max-width:680px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--primary-2);
  padding:9px 18px;border-radius:var(--r-btn);border:1px solid var(--glass-border);
  background:var(--glass);white-space:nowrap;transition:all .22s ease;
}
.more-link:hover{color:var(--accent);border-color:rgba(198,242,78,.45);background:var(--glass-hover);transform:translateY(-2px)}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.4px;line-height:1;
  border:1px solid transparent;background:none;color:var(--text);
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  min-height:46px;
}
.btn i{font-size:14px}
.btn-accent{background:var(--accent);color:#08210A;box-shadow:var(--glow-accent)}
.btn-accent:hover{color:#08210A;filter:brightness(1.08);box-shadow:0 12px 34px rgba(198,242,78,.32)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{background:var(--glass);border-color:var(--glass-border);color:var(--text);backdrop-filter:blur(12px) saturate(120%)}
.btn-ghost:hover{color:var(--text);background:var(--glass-hover);border-color:rgba(30,155,255,.55);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#04121F}
.btn-primary:hover{color:#04121F;filter:brightness(1.06);transform:translateY(-2px)}
.btn-sm{padding:10px 22px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-btn);
  font-size:12.5px;line-height:1.8;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--primary-2);white-space:nowrap;
}
.badge--accent{color:var(--accent);border-color:rgba(198,242,78,.35);background:rgba(198,242,78,.08)}
.badge--solid{background:rgba(30,155,255,.16);border-color:rgba(30,155,255,.4);color:#BFE3FF}

/* ================= 导航 Dock ================= */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0 0;pointer-events:none}
.dock{
  pointer-events:auto;position:relative;
  display:flex;align-items:center;gap:18px;
  max-width:var(--container);margin:0 auto;
  padding:10px 12px 10px 22px;
  border-radius:var(--r-btn);
  background:rgba(10,20,32,.72);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-1);
  transition:max-width .3s ease,background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled .dock{
  max-width:1040px;
  background:rgba(8,16,26,.92);
  backdrop-filter:blur(22px) saturate(130%);
  -webkit-backdrop-filter:blur(22px) saturate(130%);
  box-shadow:0 16px 38px rgba(0,0,0,.55);
}
.dock-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:600;color:var(--text);letter-spacing:.6px;white-space:nowrap;
}
.dock-logo:hover{color:var(--text)}
.dock-logo .logo-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px rgba(198,242,78,.85);
  flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-link{
  position:relative;display:inline-block;
  padding:9px 15px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-link.is-active{color:var(--text);background:rgba(30,155,255,.14);box-shadow:inset 0 0 0 1px rgba(30,155,255,.35)}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(198,242,78,.9);
}
.dock-actions{display:flex;align-items:center;gap:8px}
.dock-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--glass-border);color:var(--text);
}
.dock-toggle:hover{background:var(--glass-hover)}

@media (max-width:1024px){
  .dock{padding:10px 12px}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    margin-left:0;padding:10px;
    border-radius:var(--r-panel);
    background:rgba(8,16,26,.97);
    border:1px solid var(--glass-border);
    box-shadow:var(--shadow-2);
    display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-link{padding:12px 16px;font-size:15px}
  .dock-toggle{display:inline-flex}
  .dock-actions{margin-left:auto}
}
@media (max-width:520px){
  .dock-logo{font-size:15px}
  .dock-actions .btn-sm{padding:9px 16px;font-size:13px}
}

/* ================= Hero ================= */
.hero{padding:64px 0 56px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.hero-copy h1{font-size:48px;line-height:1.22;letter-spacing:.5px;margin:20px 0 18px}
.hero-copy h1 .hl{color:var(--accent);position:relative}
.hero-sub{font-size:17px;color:var(--muted);line-height:1.9;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero-stat b{
  display:block;font-family:var(--font-num);font-size:22px;font-weight:700;
  color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.hero-stat b em{font-style:normal;font-size:14px;color:var(--primary-2);margin-left:2px}
.hero-stat span{font-size:13px;color:var(--weak)}

.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--shadow-2)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,18,0) 34%,rgba(6,11,18,.82) 100%);
}
.glass-chip{
  position:absolute;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:var(--r-btn);
  background:rgba(12,24,38,.6);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  font-size:13px;color:var(--text);
}
.glass-chip i{color:var(--accent);font-size:12px}
.glass-chip--tl{top:18px;left:18px}
.glass-chip--br{bottom:18px;left:18px}
.glass-chip--tr{top:18px;right:18px}

.hero-tape{
  margin-top:44px;padding:14px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
}
.hero-tape span{font-size:13.5px;color:var(--weak);display:inline-flex;align-items:center;gap:8px}
.hero-tape span i{color:var(--primary-2);font-size:11px}

/* ================= Bento 服务矩阵 ================= */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:22px}
.bento-item{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:28px;display:flex;flex-direction:column;
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.bento-item:hover{
  transform:translateY(-4px);
  border-color:rgba(30,155,255,.5);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-2);
}
.bento-item h3{font-size:20px;margin-bottom:12px}
.bento-item p{font-size:14.5px;color:var(--muted);line-height:1.85}
.bento-thumb{position:absolute;inset:0;z-index:0}
.bento-thumb img{width:100%;height:100%;object-fit:cover;opacity:.34}
.bento-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(6,11,18,.86),rgba(6,11,18,.55))}
.bento-item > *{position:relative;z-index:1}
.bento--huge{grid-column:span 4;grid-row:span 2;justify-content:flex-end;min-height:340px}
.bento--small{grid-column:span 2;min-height:170px}
.bento--wide{grid-column:span 6;flex-direction:row;align-items:center;gap:32px;padding:32px}
.bento--wide .wide-txt{flex:1}
.bento-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.bento-list li{font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.bento-list li i{color:var(--accent);font-size:12px;margin-top:7px}
.bento-icon{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(30,155,255,.16);border:1px solid rgba(30,155,255,.35);
  color:var(--primary-2);font-size:17px;margin-bottom:18px;
}
.bento-arrow{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--primary-2);
}
.bento-item:hover .bento-arrow{color:var(--accent)}

/* ================= 优势数据 ================= */
.stat-band{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:38px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-cell{padding-left:22px;border-left:1px solid var(--line)}
.stat-cell:first-child{border-left:0;padding-left:0}
.stat-cell b{
  display:block;font-family:var(--font-num);font-size:36px;font-weight:700;
  color:var(--accent);letter-spacing:.5px;line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-cell b span{font-size:18px;color:var(--primary-2);margin-left:2px}
.stat-cell p{margin-top:8px;font-size:14px;color:var(--muted)}

/* ================= 最新资讯 ================= */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(30,155,255,.5);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-2);
}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:11px;flex:1}
.news-title{
  font-size:17.5px;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--primary-2)}
.news-sum{
  font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--weak);
}
.news-meta .meta-cat{color:var(--primary-2)}
.news-empty{
  border:1px dashed var(--glass-border);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:var(--glass);
}
.news-empty i{font-size:26px;color:var(--primary-2);display:block;margin-bottom:14px}
.news-empty p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ================= 案例 ================= */
.case-row{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center;margin-bottom:64px}
.case-row:last-child{margin-bottom:0}
.case-row.reverse .case-media{order:2}
.case-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--shadow-1)}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.case-row:hover .case-media img{transform:scale(1.04)}
.case-txt h3{font-size:23px;margin-bottom:14px}
.case-txt p{font-size:15px;color:var(--muted);line-height:1.9}
.case-points{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.case-metric{
  margin-top:24px;display:flex;gap:32px;padding-top:20px;border-top:1px solid var(--line);
}
.case-metric b{font-family:var(--font-num);font-size:24px;color:var(--accent);display:block;font-variant-numeric:tabular-nums}
.case-metric span{font-size:12.5px;color:var(--weak)}

/* ================= 方案步骤 ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:28px 24px;
  border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.step:hover{transform:translateY(-4px);border-color:rgba(30,155,255,.45);box-shadow:var(--shadow-2)}
.step-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;
  color:rgba(30,155,255,.55);letter-spacing:1px;line-height:1;
}
.step h3{font-size:18px;margin:16px 0 10px}
.step p{font-size:14px;color:var(--muted);line-height:1.85}
.step::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(30,155,255,0),rgba(30,155,255,.55),rgba(198,242,78,0));
  opacity:0;transition:opacity .25s ease;
}
.step:hover::after{opacity:1}

/* ================= FAQ ================= */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-img);
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:rgba(30,155,255,.35)}
.faq-item.is-open{border-color:rgba(30,155,255,.5);background:rgba(255,255,255,.07)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q .faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-border);font-size:11px;color:var(--primary-2);
  transition:transform .28s ease,color .28s ease,border-color .28s ease;
}
.faq-item.is-open .faq-ico{transform:rotate(180deg);color:var(--accent);border-color:rgba(198,242,78,.5)}
.faq-a{
  max-height:0;overflow:hidden;padding:0 24px;
  font-size:15px;color:var(--muted);line-height:1.85;
  transition:max-height .32s ease,padding .32s ease;
}
.faq-item.is-open .faq-a{max-height:460px;padding:0 24px 22px}

/* ================= 转化 / 联系 ================= */
.convert{
  border-radius:24px;overflow:hidden;position:relative;
  background:var(--surface);border:1px solid var(--line);
  display:grid;grid-template-columns:1.05fr .95fr;
}
.convert-left{padding:52px 46px;position:relative;z-index:1}
.convert-left h2{font-size:30px;line-height:1.32;margin-bottom:16px}
.convert-left p{color:var(--muted);font-size:15px;line-height:1.9;max-width:460px}
.convert-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.convert-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.convert-points li i{color:var(--accent);font-size:12px;margin-top:7px}
.convert-right{
  padding:44px 42px;background:var(--glass);
  border-left:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;letter-spacing:.3px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 15px;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-border);
  border-radius:var(--r-input);line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--weak)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--primary);background:rgba(30,155,255,.07);
  box-shadow:0 0 0 3px rgba(30,155,255,.16);
}
.form-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#9FB3C4 50%),linear-gradient(135deg,#9FB3C4 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-row textarea{min-height:96px;resize:vertical}
.form-hint{font-size:12.5px;color:var(--weak);margin-top:12px;display:flex;gap:8px;align-items:flex-start}
.form-hint i{color:var(--warn);margin-top:5px;font-size:11px}

/* ================= 页脚 ================= */
.site-footer{background:var(--surface);border-top:1px solid var(--line);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .dock-logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:320px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:18px;letter-spacing:.5px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;margin-bottom:12px}
.footer-contact li i{color:var(--primary-2);margin-top:6px;font-size:12px}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--weak)}
.footer-bottom .fb-links{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom .fb-links a{font-size:13px;color:var(--weak)}
.footer-bottom .fb-links a:hover{color:var(--primary-2)}

/* ================= 入场动画 ================= */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ================= 响应式 ================= */
@media (max-width:1024px){
  .container{padding:0 28px}
  .section{padding:76px 0}
  .hero{padding:48px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-copy h1{font-size:38px}
  .hero-visual{order:-1}
  .bento{grid-template-columns:repeat(4,1fr)}
  .bento--huge{grid-column:span 4;grid-row:auto;min-height:280px}
  .bento--small{grid-column:span 2}
  .bento--wide{grid-column:span 4;flex-direction:column;align-items:flex-start;gap:18px}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .stat-cell:nth-child(3){border-left:0;padding-left:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .case-row{grid-template-columns:1fr;gap:28px;margin-bottom:52px}
  .case-row.reverse .case-media{order:0}
  .convert{grid-template-columns:1fr}
  .convert-right{border-left:0;border-top:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 24px}
  .section{padding:58px 0}
  .section-head h2{font-size:24px}
  .hero-copy h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:26px}
  .hero-stat b{font-size:20px}
  .bento{grid-template-columns:repeat(2,1fr);gap:16px}
  .bento--huge,.bento--small,.bento--wide{grid-column:span 2}
  .bento--wide{padding:26px}
  .stat-cell b{font-size:30px}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .convert-left{padding:36px 26px}
  .convert-right{padding:32px 26px}
  .convert-left h2{font-size:23px}
  .section-head--row{flex-direction:column;align-items:flex-start}
  .case-metric{gap:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .hero-copy h1{font-size:29px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .stat-band{grid-template-columns:1fr;padding:28px 22px}
  .stat-cell{border-left:0;padding-left:0}
  .case-metric{flex-direction:column;gap:14px}
  .btn{padding:12px 24px}
  .glass-chip--tl{top:12px;left:12px;padding:6px 12px;font-size:12px}
  .glass-chip--tr{top:12px;right:12px;padding:6px 12px;font-size:12px}
  .glass-chip--br{bottom:12px;left:12px;padding:6px 12px;font-size:12px}
}

/* roulang page: article */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --surface:#0E1B29;
  --surface-2:#122335;
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warn:#FF9F1C;
  --text:#E8F1F8;
  --muted:#9FB3C4;
  --weak:#6B7F91;
  --line:rgba(255,255,255,.08);
  --glass-line:rgba(120,190,255,.18);
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-panel:20px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.45);
  --glow-accent:0 8px 28px rgba(198,242,78,.22);
  --glow-ring:0 0 0 1px rgba(30,155,255,.35);
  --container:1200px;
  --pad-x:32px;
  --section-y:96px;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(30,155,255,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(23,209,232,.12), transparent 60%);
  z-index:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary-2);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-weight:600;line-height:1.25;margin:0 0 .6em;letter-spacing:.2px;}
h1{font-size:48px;}
h2{font-size:32px;}
h3{font-size:22px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad-x);
  position:relative;
  z-index:1;
}
.container-wide{max-width:1280px;}
.section{padding:var(--section-y) 0;position:relative;z-index:1;}
.section-alt{background:var(--bg-2);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary-2);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--primary),var(--primary-2));}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  padding:14px 0;
  transition:padding .25s ease-out,background .25s ease-out;
}
.site-header.is-scrolled{padding:8px 0;}
.dock{
  width:calc(100% - 48px);
  max-width:1240px;
  margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 20px;
  border-radius:var(--radius-pill);
  background:rgba(10,20,32,.66);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-1);
  transition:background .25s ease-out,box-shadow .25s ease-out,padding .25s ease-out;
}
.site-header.is-scrolled .dock{
  max-width:1120px;
  background:rgba(8,16,26,.86);
  box-shadow:var(--shadow-2);
}
.dock-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:600;color:var(--text);
  letter-spacing:.4px;white-space:nowrap;
}
.dock-logo:hover{color:var(--text);}
.dock-logo .logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary-2));
  box-shadow:0 0 14px rgba(198,242,78,.55);
  flex:none;
}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.dock-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  color:var(--muted);
  border-radius:var(--radius-pill);
  transition:color .2s ease-out,background .2s ease-out;
  white-space:nowrap;
}
.dock-link::after{
  content:"";
  position:absolute;left:50%;bottom:4px;
  width:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:translateX(-50%);
  transition:width .22s ease-out;
}
.dock-link:hover{color:var(--primary-2);background:rgba(255,255,255,.04);}
.dock-link:hover::after{width:60%;}
.dock-link.is-active{color:var(--text);background:rgba(30,155,255,.14);}
.dock-link.is-active::after{width:60%;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none;}
.dock-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text);
  cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out;
}
.dock-toggle:hover{background:var(--glass-strong);color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .2s ease-out,filter .2s ease-out,background .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#9FDC2C);
  color:#0A1420;
  box-shadow:var(--glow-accent);
}
.btn-accent:hover{filter:brightness(1.08);color:#060B12;transform:translateY(-2px);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--glass-line);
  color:var(--text);
}
.btn-ghost:hover{background:var(--glass-strong);border-color:rgba(120,190,255,.36);color:var(--primary-2);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--primary-2);
  font-size:13px;
  line-height:1.6;
}
.badge-accent{color:var(--accent);border-color:rgba(198,242,78,.28);}
.badge-soft{color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  padding:132px 0 0;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--weak);
}
.breadcrumb a{color:var(--muted);position:relative;}
.breadcrumb a:hover{color:var(--primary-2);}
.breadcrumb .sep{color:var(--weak);opacity:.6;}
.breadcrumb .current{color:var(--text);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 0;}
.article-head .head-panel{
  background:linear-gradient(180deg,rgba(14,27,41,.96),rgba(10,20,32,.86));
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:36px 38px;
  box-shadow:var(--shadow-1);
}
.article-head h1{
  font-size:44px;
  margin:16px 0 18px;
  letter-spacing:.4px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--muted);
  padding-top:16px;
  border-top:1px solid var(--line);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--primary-2);}
.article-actions{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;
}

/* ---------- 正文布局 ---------- */
.reading-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 240px;
  gap:48px;
  justify-content:center;
  align-items:start;
  padding-top:44px;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:#DDE9F3;
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:26px;
  margin:2em 0 .7em;
  padding-left:16px;
  position:relative;
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(30,155,255,.45);
}
.article-body h3{
  font-size:20px;margin:1.6em 0 .6em;color:var(--text);
}
.article-body a{
  color:var(--primary-2);
  border-bottom:1px solid rgba(23,209,232,.35);
}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(198,242,78,.5);}
.article-body ul,.article-body ol{
  margin:0 0 1.2em;padding:22px 26px 22px 42px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.article-body li{margin-bottom:.5em;}
.article-body li:last-child{margin-bottom:0;}
.article-body blockquote{
  margin:1.6em 0;
  padding:22px 26px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-left:3px solid var(--primary-2);
  color:var(--muted);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  border-radius:var(--radius-img);
  margin:1.6em 0;
  border:1px solid var(--line);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{color:var(--primary-2);font-weight:600;background:rgba(255,255,255,.03);}
.article-body code{
  font-family:var(--mono);font-size:14px;
  background:rgba(30,155,255,.12);
  padding:2px 6px;border-radius:6px;color:var(--primary-2);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

/* ---------- 侧边快速导航 ---------- */
.reading-aside{position:sticky;top:112px;display:flex;flex-direction:column;gap:16px;}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 22px;
  box-shadow:var(--shadow-1);
}
.aside-card h4{
  font-size:15px;margin:0 0 14px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.aside-card h4 i{color:var(--primary-2);}
.aside-list{list-style:none;margin:0;padding:0;font-size:14px;}
.aside-list li{margin-bottom:10px;}
.aside-list li:last-child{margin-bottom:0;}
.aside-list a{
  color:var(--muted);display:inline-flex;align-items:center;gap:8px;
  transition:color .2s ease-out,transform .2s ease-out;
}
.aside-list a:hover{color:var(--accent);transform:translateX(3px);}
.aside-list i{font-size:12px;color:var(--weak);}

/* ---------- 空状态 ---------- */
.empty-state{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:56px 32px;
  text-align:center;
  box-shadow:var(--shadow-1);
}
.empty-state i{font-size:38px;color:var(--primary-2);margin-bottom:18px;display:block;}
.empty-state h2{font-size:24px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:24px;}

/* ---------- 相关推荐 ---------- */
.rel-section{padding-top:72px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(120,190,255,.4);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-2);
}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .card-tag{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(6,11,18,.72);
  border:1px solid var(--glass-line);
  color:var(--primary-2);font-size:12px;
  backdrop-filter:blur(8px);
}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;margin-bottom:10px;}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--primary-2);}
.card-body p{font-size:14px;color:var(--muted);margin-bottom:18px;flex:1;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--weak);
  padding-top:14px;border-top:1px solid var(--line);
}
.card-foot .more{color:var(--primary-2);display:inline-flex;align-items:center;gap:6px;}
.card:hover .card-foot .more{color:var(--accent);}

/* ---------- 转化条 ---------- */
.cta-band{
  margin-top:80px;
  background:linear-gradient(120deg,rgba(30,155,255,.16),rgba(23,209,232,.08) 55%,rgba(198,242,78,.1));
  border:1px solid var(--glass-line);
  border-radius:var(--radius-panel);
  padding:44px 46px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:26px;margin-bottom:8px;}
.cta-band p{color:var(--muted);margin:0;max-width:560px;font-size:15px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.back-links{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  font-size:14px;color:var(--weak);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .dock-logo{margin-bottom:16px;font-size:18px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:340px;margin:0;}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;font-size:14px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:var(--muted);position:relative;}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;
  background:var(--primary-2);transition:width .22s ease-out;
}
.footer-col a:hover{color:var(--primary-2);}
.footer-col a:hover::after{width:100%;}
.footer-contact li{
  display:flex;gap:10px;color:var(--muted);line-height:1.7;
}
.footer-contact i{color:var(--primary-2);margin-top:5px;flex:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--weak);
}
.footer-bottom p{margin:0;}
.fb-links{display:flex;flex-wrap:wrap;gap:8px 18px;}
.fb-links a{color:var(--weak);}
.fb-links a:hover{color:var(--primary-2);}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(16px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .5s ease-out,transform .5s ease-out;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  :root{--pad-x:24px;--section-y:64px;}
  h1{font-size:34px;}
  .article-head h1{font-size:34px;}
  .reading-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .reading-aside{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:860px){
  .dock{width:calc(100% - 24px);padding:8px 10px 8px 16px;gap:12px;flex-wrap:wrap;}
  .dock-toggle{display:inline-flex;}
  .dock-nav{
    order:3;width:100%;flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:0;max-height:0;overflow:hidden;
    transition:max-height .28s ease-out,padding .28s ease-out;
  }
  .dock-nav.is-open{max-height:420px;padding:10px 0 6px;}
  .dock-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .dock-link::after{display:none;}
  .dock-actions{margin-left:auto;}
  .crumb-bar{padding-top:118px;}
  .article-head .head-panel{padding:26px 22px;}
  .article-head h1{font-size:28px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .cta-band{padding:30px 24px;}
  .cta-band h2{font-size:22px;}
}
@media screen and (max-width:640px){
  :root{--pad-x:18px;--section-y:56px;}
  .dock-logo{font-size:15px;}
  .btn{padding:11px 20px;font-size:14px;min-height:44px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .article-meta{gap:8px 16px;}
}

/* roulang page: category1 */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --bg-3:#0E1B29;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,190,255,.18);
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warn:#FF9F1C;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6B7F91;
  --glass:rgba(255,255,255,.05);
  --glass-strong:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-panel:20px;
  --radius-img:16px;
  --radius-btn:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.45);
  --glow-accent:0 8px 28px rgba(198,242,78,.22);
  --glow-primary:0 0 0 1px rgba(30,155,255,.35);
  --container:1200px;
  --ease:220ms ease-out;
}

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

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

body{
  margin:0;
  padding-top:104px;
  background:
    radial-gradient(1100px 600px at 12% -8%, rgba(30,155,255,.16), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(23,209,232,.12), transparent 58%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}

a{
  color:var(--primary-2);
  text-decoration:none;
  transition:color var(--ease);
}
a:hover,a:focus{color:var(--primary-2);}

h1,h2,h3,h4{
  margin:0 0 16px;
  line-height:1.25;
  font-weight:600;
  color:var(--text);
  letter-spacing:.2px;
}

h1{font-size:48px;}
h2{font-size:32px;}
h3{font-size:22px;}
p{margin:0 0 16px;color:var(--text-2);}

ul,ol{margin:0;padding:0;list-style:none;}

button,input,select,textarea{font-family:inherit;font-size:inherit;}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.section{padding:96px 0;}
.section-tight{padding:64px 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head p{margin:0;max-width:640px;font-size:16px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--primary-2);
  letter-spacing:2px;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-accent{
  background:linear-gradient(135deg,#D6FA6B,#A8DF2E);
  color:#06210A;
  box-shadow:var(--glow-accent);
}
.btn-accent:hover{
  filter:brightness(1.07);
  color:#06210A;
  transform:translateY(-2px);
  box-shadow:0 12px 34px rgba(198,242,78,.3);
}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:rgba(23,209,232,.5);
  background:rgba(255,255,255,.09);
  transform:translateY(-2px);
}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:80;
  padding:14px 20px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1220px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 12px 10px 20px;
  border-radius:var(--radius-btn);
  background:rgba(9,18,29,.74);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
  transition:max-width var(--ease),background var(--ease),padding var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled .dock{
  max-width:1080px;
  background:rgba(8,16,26,.9);
  backdrop-filter:blur(20px) saturate(130%);
  padding:8px 10px 8px 18px;
}
.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  letter-spacing:.4px;
  white-space:nowrap;
}
.dock-logo:hover{color:var(--text);}
.logo-dot{
  width:12px;
  height:12px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary-2),var(--accent));
  box-shadow:0 0 14px rgba(23,209,232,.7);
  flex:0 0 auto;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.dock-link{
  position:relative;
  padding:10px 16px;
  border-radius:var(--radius-btn);
  font-size:15px;
  color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.dock-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  width:0;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:translateX(-50%);
  transition:width var(--ease);
}
.dock-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.dock-link:hover::after{width:22px;}
.dock-link.is-active{
  color:var(--text);
  background:rgba(30,155,255,.14);
}
.dock-link.is-active::after{width:24px;}
.dock-actions{display:flex;align-items:center;gap:12px;}
.dock-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line-strong);
  color:var(--text);
  cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.dock-toggle:hover{background:rgba(255,255,255,.1);border-color:rgba(23,209,232,.45);}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(180deg,rgba(6,11,18,.62),rgba(6,11,18,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:-1;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary-2);}
.crumbs span{color:var(--text-3);}
.page-hero h1{max-width:820px;}
.page-hero .lead{
  max-width:720px;
  font-size:17px;
  color:var(--text-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--radius-btn);
  font-size:13px;
  color:var(--primary-2);
  background:var(--glass);
  border:1px solid var(--line-strong);
}
.tag-accent{color:var(--accent);border-color:rgba(198,242,78,.3);}
.tag-warn{color:var(--warn);border-color:rgba(255,159,28,.3);}

.stat-strip{
  margin-top:48px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  overflow:hidden;
}
.stat-item{
  background:var(--bg-2);
  padding:22px 24px;
}
.stat-item strong{
  display:block;
  font-size:28px;
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  letter-spacing:.5px;
}
.stat-item span{font-size:14px;color:var(--text-2);}

/* ---------- 筛选 + 卡片网格 ---------- */
.browse-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.filter-panel{
  position:sticky;
  top:120px;
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-panel);
  padding:24px;
  backdrop-filter:blur(14px) saturate(120%);
}
.filter-panel h3{
  font-size:16px;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.filter-group{padding:16px 0;border-top:1px solid var(--line);}
.filter-group:first-of-type{border-top:none;padding-top:0;}
.filter-group h4{
  font-size:14px;
  color:var(--text-2);
  font-weight:600;
  margin-bottom:12px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:10px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  padding:10px 14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-box:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,155,255,.16);
}
.search-box i{color:var(--text-3);font-size:14px;}
.search-box input{
  flex:1;
  background:transparent;
  border:none;
  outline:none;
  color:var(--text);
  font-size:14px;
  min-width:0;
}
.search-box input::placeholder{color:var(--text-3);}
.chip-list{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  padding:7px 14px;
  border-radius:var(--radius-btn);
  font-size:13px;
  color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  cursor:pointer;
  transition:all var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(23,209,232,.4);}
.chip.is-on{
  color:#06210A;
  background:linear-gradient(135deg,#D6FA6B,#A8DF2E);
  border-color:transparent;
  font-weight:600;
}
.filter-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.75;
  margin:0;
}
.filter-panel .btn{width:100%;margin-top:18px;}

.results-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
  flex-wrap:wrap;
}
.results-top h2{font-size:24px;margin:0;}
.results-count{font-size:14px;color:var(--text-3);}

.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(268px,1fr));
  gap:22px;
}
.event-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(14px) saturate(120%);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.event-card:hover{
  transform:translateY(-4px);
  border-color:rgba(23,209,232,.45);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-hover);
}
.event-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-3);
}
.event-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 420ms ease-out;
}
.event-card:hover .event-thumb img{transform:scale(1.05);}
.event-thumb .tag{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(6,11,18,.72);
  backdrop-filter:blur(8px);
}
.event-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.event-body h3{
  font-size:18px;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.event-body p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.event-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.event-meta .more{color:var(--primary-2);display:inline-flex;align-items:center;gap:6px;}
.event-meta .more i{font-size:12px;transition:transform var(--ease);}
.event-card:hover .event-meta .more i{transform:translateX(3px);}
.empty-state{
  display:none;
  padding:56px 24px;
  text-align:center;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  color:var(--text-2);
}
.empty-state i{font-size:28px;color:var(--primary-2);margin-bottom:12px;display:block;}

/* ---------- 图文要点 ---------- */
.points-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.point-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(23,209,232,.35);box-shadow:var(--shadow);}
.point-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(30,155,255,.14);
  color:var(--primary-2);
  font-size:18px;
  margin-bottom:18px;
}
.point-card h3{font-size:19px;}
.point-card p{font-size:15px;margin:0;}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:26px;
  font-weight:700;
  color:var(--accent);
  margin-bottom:12px;
  letter-spacing:1px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;margin:0;line-height:1.8;}

/* ---------- 适用场景列表 ---------- */
.scene-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.scene-item{
  display:flex;
  gap:14px;
  padding:22px 24px;
  border-radius:var(--radius-card);
  background:var(--bg-3);
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.scene-item:hover{border-color:rgba(23,209,232,.35);transform:translateY(-3px);}
.scene-item i{color:var(--primary-2);font-size:18px;margin-top:4px;}
.scene-item h3{font-size:17px;margin-bottom:6px;}
.scene-item p{font-size:14px;margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  padding:0 24px;
  backdrop-filter:blur(12px);
  transition:border-color var(--ease),background var(--ease);
}
.faq-item[open]{border-color:rgba(23,209,232,.42);background:rgba(255,255,255,.07);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 0;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{
  color:var(--primary-2);
  transition:transform var(--ease);
  font-size:14px;
}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-body{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- 转化条 ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-panel);
  padding:56px 48px;
  background:
    radial-gradient(600px 300px at 88% 0%, rgba(198,242,78,.16), transparent 60%),
    linear-gradient(135deg,rgba(30,155,255,.22),rgba(23,209,232,.08)),
    var(--bg-2);
  border:1px solid var(--line-strong);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-band h2{font-size:30px;margin-bottom:10px;}
.cta-band p{margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-links{
  margin-top:28px;
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--text-3);
}
.cta-links a{color:var(--text-2);}
.cta-links a:hover{color:var(--primary-2);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:18px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:12px;font-size:14px;}
.footer-col ul li a{
  color:var(--text-2);
  position:relative;
}
.footer-col ul li a:hover{color:var(--primary-2);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:14px;
}
.footer-contact i{color:var(--primary-2);margin-top:4px;}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3);margin:0;}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:var(--text-3);}
.fb-links a:hover{color:var(--primary-2);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  h1{font-size:36px;}
  h2{font-size:26px;}
  .section{padding:72px 0;}
  .browse-layout{grid-template-columns:1fr;}
  .filter-panel{position:static;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .points-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media screen and (max-width:900px){
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    border-radius:20px;
    background:rgba(8,16,26,.97);
    border:1px solid var(--line-strong);
    backdrop-filter:blur(18px);
    box-shadow:0 20px 44px rgba(0,0,0,.5);
    display:none;
  }
  .dock-nav.is-open{display:flex;}
  .dock-link{padding:13px 16px;border-radius:14px;}
  .dock-link::after{display:none;}
  .dock-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .dock{margin:0;position:relative;justify-content:space-between;}
  .dock-actions .btn-sm{display:none;}
}

@media screen and (max-width:768px){
  body{padding-top:92px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  h1{font-size:31px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .page-hero{padding:40px 0 52px;}
  .stat-strip{grid-template-columns:1fr;margin-top:34px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .scene-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;}
  .cta-band h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:520px){
  .dock-logo{font-size:15px;}
  .dock{padding:8px 8px 8px 14px;}
  .btn{padding:13px 22px;font-size:15px;}
  .event-body{padding:18px;}
  .filter-panel{padding:20px;}
}

/* roulang page: category3 */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --bg-3:#0E1B29;
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warn:#FF9F1C;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6B7F91;
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(120,190,255,.18);
  --line:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-panel:20px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.45);
  --glow-accent:0 8px 28px rgba(198,242,78,.22);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

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

html{scroll-behavior:smooth}

body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}

ul,ol{list-style:none}

a{
  color:var(--primary-2);
  text-decoration:none;
  transition:color .2s ease;
}
a:hover{color:var(--primary)}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

img{max-width:100%;display:block;border-style:none}

button{font-family:inherit;font-size:inherit;cursor:pointer}

input,textarea,select{font-family:inherit;font-size:15px}

::selection{background:rgba(198,242,78,.28);color:#fff}

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

/* ---------- 顶部浮动导航 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  padding:16px 24px 0;
  transition:padding .25s ease;
}

.dock{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(10,20,32,.60);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}

.site-header.is-scrolled{padding-top:10px}
.site-header.is-scrolled .dock{
  background:rgba(10,20,32,.88);
  box-shadow:0 14px 38px rgba(0,0,0,.5);
  padding:8px 10px 8px 18px;
}

.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
  flex:none;
}
.dock-logo:hover{color:var(--text)}

.logo-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 0 0 4px rgba(30,155,255,.16);
}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}

.dock-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:translateX(-50%);
  box-shadow:0 0 10px rgba(198,242,78,.6);
  transition:width .22s ease;
}
.dock-link:hover{color:var(--text)}
.dock-link:hover::after{width:22px}
.dock-link.is-active{
  color:var(--text);
  background:rgba(30,155,255,.12);
}
.dock-link.is-active::after{width:22px}

.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}

.dock-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--glass);
  border:1px solid var(--glass-line);
  color:var(--text);
  transition:background .2s ease;
}
.dock-toggle:hover{background:rgba(255,255,255,.1)}
.dock-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
}
.btn-accent{
  background:linear-gradient(135deg,#DBFF70,#A9DC2E);
  color:#0A1A08;
  box-shadow:var(--glow-accent);
}
.btn-accent:hover{
  color:#0A1A08;
  filter:brightness(1.07);
  box-shadow:0 12px 34px rgba(198,242,78,.34);
}
.btn-ghost{
  background:var(--glass);
  border-color:var(--glass-line);
  color:var(--text);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.09);
  color:var(--text);
  border-color:rgba(120,190,255,.36);
}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.btn-sm{padding:10px 18px;font-size:14px}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:172px 0 92px;
  background-image:
    linear-gradient(180deg,rgba(6,11,18,.80) 0%,rgba(6,11,18,.90) 55%,rgba(6,11,18,.97) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:50%;
  top:-140px;
  width:820px;
  height:420px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(23,209,232,.16),rgba(23,209,232,0));
  pointer-events:none;
}

.hero-inner{
  position:relative;
  z-index:2;
  max-width:860px;
  margin:0 auto;
  text-align:center;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  border-radius:999px;
  font-size:13.5px;
  color:#A7DBFF;
  background:rgba(30,155,255,.10);
  border:1px solid rgba(30,155,255,.30);
  letter-spacing:.02em;
}
.eyebrow .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 10px rgba(198,242,78,.8);
}

.hero-title{
  margin:26px 0 0;
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.25;
  font-weight:600;
  letter-spacing:-.01em;
}
.hero-title .hl{
  background:linear-gradient(120deg,var(--primary-2),var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero-sub{
  margin:20px auto 0;
  max-width:640px;
  font-size:17px;
  color:var(--text-2);
  line-height:1.9;
}

.hero-actions{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}

.hero-stats{
  margin-top:60px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  text-align:left;
}

.stat-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-panel);
  padding:22px 24px;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out;
}
.stat-card:hover{
  transform:translateY(-4px);
  border-color:rgba(120,190,255,.4);
  background:rgba(255,255,255,.08);
}
.stat-num{
  display:flex;
  align-items:baseline;
  gap:4px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--accent);
}
.stat-num small{font-size:15px;font-weight:600;color:var(--text-2)}
.stat-label{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-2)}
.section-line{border-top:1px solid var(--line)}

.section-head{
  max-width:740px;
  margin:0 auto 46px;
  text-align:center;
}
.section-head.left{
  margin-left:0;
  text-align:left;
}
.section-tag{
  display:inline-block;
  margin-bottom:14px;
  padding:5px 14px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:.06em;
  color:#A7DBFF;
  background:rgba(30,155,255,.10);
  border:1px solid rgba(30,155,255,.28);
}
.section-title{
  font-size:32px;
  line-height:1.3;
  font-weight:600;
  margin:0 0 14px;
}
.section-sub{
  font-size:16px;
  color:var(--text-2);
  line-height:1.9;
}

/* ---------- Bento 三栏 ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}

.bento-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease-out,border-color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.bento-card:hover{
  transform:translateY(-4px);
  border-color:rgba(120,190,255,.42);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-hover);
}
.bento-card.wide{grid-column:span 2;flex-direction:row}

.bento-media{
  position:relative;
  flex:none;
  height:158px;
  overflow:hidden;
  background:rgba(255,255,255,.04);
}
.bento-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.bento-card:hover .bento-media img{transform:scale(1.04)}

.bento-card.wide .bento-media{
  width:44%;
  height:auto;
  min-height:230px;
}

.bento-body{
  flex:1;
  padding:22px 24px 26px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.bento-badge{
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  color:#A7DBFF;
  background:rgba(30,155,255,.12);
  border:1px solid rgba(30,155,255,.26);
}
.bento-title{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
}
.bento-text{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}
.bento-link{
  margin-top:auto;
  padding-top:8px;
  font-size:14px;
  color:var(--primary-2);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.bento-link:hover{color:var(--accent)}
.bento-link i{transition:transform .22s ease}
.bento-link:hover i{transform:translateX(4px)}

/* ---------- 流程步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.step{
  position:relative;
  padding:28px 24px;
  border-radius:var(--radius-card);
  background:var(--bg-3);
  border:1px solid var(--line);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.step:hover{
  transform:translateY(-4px);
  border-color:rgba(120,190,255,.35);
  box-shadow:var(--shadow);
}
.step-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
}
.step-title{
  margin:12px 0 10px;
  font-size:18px;
  font-weight:600;
  line-height:1.5;
}
.step-text{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:52px;
  align-items:center;
}
.split-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.split-media img{
  width:100%;
  height:100%;
  max-height:440px;
  object-fit:cover;
}
.split-body .section-title{margin-bottom:16px}
.split-body p{
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.9;
  margin-bottom:20px;
}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}
.tag{
  padding:6px 14px;
  border-radius:999px;
  font-size:13.5px;
  color:#8FD3FF;
  background:rgba(30,155,255,.10);
  border:1px solid rgba(30,155,255,.28);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tag:hover{
  background:rgba(30,155,255,.18);
  border-color:rgba(30,155,255,.5);
  color:#CFEBFF;
}

.check-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.check-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.check-list i{
  margin-top:6px;
  color:var(--accent);
  font-size:14px;
  flex:none;
}

/* ---------- 折叠说明块 ---------- */
.acc{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.acc-item{
  border-radius:16px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.acc-item:hover{border-color:rgba(120,190,255,.34)}
.acc-item.is-open{
  border-color:rgba(120,190,255,.46);
  background:rgba(255,255,255,.07);
}
.acc-head{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
}
.acc-head:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.acc-icon{
  flex:none;
  color:var(--primary-2);
  font-size:14px;
  transition:transform .26s ease,color .2s ease;
}
.acc-item.is-open .acc-icon{
  transform:rotate(180deg);
  color:var(--accent);
}
.acc-body{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
.acc-body > div{overflow:hidden}
.acc-body p{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- 转化条 ---------- */
.cta-band{
  position:relative;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(120deg,rgba(8,16,26,.94),rgba(6,11,18,.86)),
    url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-inner{
  padding:76px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-copy{max-width:620px}
.cta-copy h2{
  font-size:30px;
  line-height:1.35;
  font-weight:600;
  margin-bottom:14px;
}
.cta-copy p{
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.9;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}
.cta-back{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14px;
  color:var(--text-3);
}
.cta-back a{color:var(--text-3)}
.cta-back a:hover{color:var(--primary-2)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:66px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.35fr;
  gap:38px;
}
.footer-brand .dock-logo{font-size:17px}
.footer-brand p{
  margin-top:18px;
  max-width:360px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.9;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-col a{
  font-size:14.5px;
  color:var(--text-2);
}
.footer-col a:hover{color:var(--primary-2)}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.footer-contact i{
  margin-top:6px;
  color:var(--primary-2);
  flex:none;
}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
  justify-content:space-between;
}
.footer-bottom p{
  font-size:13.5px;
  color:var(--text-3);
}
.fb-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}
.fb-links a{
  font-size:13.5px;
  color:var(--text-3);
}
.fb-links a:hover{color:var(--primary-2)}

/* ---------- 入场动画 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-contact{flex-direction:row;flex-wrap:wrap;gap:18px}
}

@media (max-width:1023px){
  .site-header{padding:12px 16px 0}
  .dock{padding:8px 10px 8px 16px;border-radius:22px}
  .dock-logo{font-size:16px}
  .dock-toggle{display:inline-flex}
  .dock-nav{
    position:absolute;
    top:calc(100% + 12px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:20px;
    background:rgba(10,20,32,.97);
    border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    box-shadow:0 18px 40px rgba(0,0,0,.5);
  }
  .dock-nav.is-open{display:flex}
  .dock-link{padding:12px 16px;font-size:15px;border-radius:14px}
  .dock-link::after{display:none}
  .dock-link.is-active{background:rgba(30,155,255,.16)}

  .page-hero{padding:132px 0 68px}
  .section{padding:68px 0}
  .section-title{font-size:26px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento-card.wide{grid-column:span 2;flex-direction:column}
  .bento-card.wide .bento-media{width:100%;min-height:0;height:190px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:34px}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
  .cta-inner{padding:60px 0}
}

@media (max-width:767px){
  .container{padding:0 20px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .bento{grid-template-columns:1fr;gap:18px}
  .bento-card.wide{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-title{font-size:23px}
  .cta-copy h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-col:last-child{grid-column:auto}
  .footer-contact{flex-direction:column;gap:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .acc-head{font-size:15.5px;padding:16px 18px}
  .acc-body p{padding:0 18px 18px}
  .stat-num{font-size:28px}
}

@media (max-width:520px){
  .hero-title{font-size:28px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --bg-3:#0E1B29;
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warm:#FF9F1C;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6B7F91;
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --stroke:rgba(120,190,255,.18);
  --stroke-soft:rgba(255,255,255,.08);
  --r-card:18px;
  --r-panel:20px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.45);
  --glow-accent:0 8px 28px rgba(198,242,78,.22);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-cn);
  font-weight:600;
  line-height:1.25;
  color:var(--text);
  margin:0;
  letter-spacing:-.01em;
}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-2);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;background:none;border:0;cursor:pointer;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(30,155,255,.35);color:#fff;}

/* 覆盖 Foundation 默认样式 */
body,html,.grid-container,.grid-x{font-family:var(--font-cn) !important;}
a:hover,a:focus{color:var(--primary-2);}
button:focus{outline:none;}
input,textarea,select{font-family:var(--font-cn);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1024px){
  .container{max-width:1280px;padding:0 32px;}
}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding:14px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 22px;
  border-radius:999px;
  background:rgba(10,20,32,.72);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:max-width .35s ease,background .35s ease,box-shadow .35s ease;
}
.site-header.is-scrolled .dock{
  max-width:1120px;
  background:rgba(10,20,32,.9);
  backdrop-filter:blur(20px) saturate(130%);
  -webkit-backdrop-filter:blur(20px) saturate(130%);
  box-shadow:0 14px 38px rgba(0,0,0,.5);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  letter-spacing:.02em;
}
.dock-logo:hover{color:var(--text);}
.logo-dot{
  width:11px;height:11px;
  border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(30,155,255,.65);
  flex:none;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.dock-link{
  position:relative;
  padding:9px 15px;
  font-size:14px;
  color:var(--text-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-link:hover{color:var(--primary-2);}
.dock-link.is-active{
  color:var(--text);
  background:rgba(30,155,255,.12);
}
.dock-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:3px;
  transform:translateX(-50%);
  width:16px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 8px rgba(198,242,78,.7);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:8px;
}
.dock-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--stroke);
  background:var(--glass);
  color:var(--text);
  font-size:16px;
  align-items:center;
  justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-accent{
  background:var(--accent);
  color:#0A1420;
  box-shadow:var(--glow-accent);
}
.btn-accent:hover{
  color:#060B12;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 12px 32px rgba(198,242,78,.3);
}
.btn-accent:active{transform:translateY(-1px);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--stroke);
  color:var(--text);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:rgba(23,209,232,.55);
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--primary-2);
  background:rgba(30,155,255,.1);
  border:1px solid rgba(120,190,255,.22);
}
.tag-accent{
  color:var(--accent);
  background:rgba(198,242,78,.1);
  border-color:rgba(198,242,78,.28);
}
.tag-sm{padding:3px 10px;font-size:12px;}

/* ============ 首屏 Banner ============ */
.page-banner{
  position:relative;
  padding:158px 0 76px;
  background-image:
    linear-gradient(180deg,rgba(6,11,18,.72) 0%,rgba(6,11,18,.88) 52%,rgba(6,11,18,.98) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--stroke-soft);
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;
  left:50%;top:-140px;
  width:640px;height:420px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(30,155,255,.22),transparent 70%);
  pointer-events:none;
}
.breadcrumb{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary-2);}
.breadcrumb i{font-size:10px;color:var(--text-3);}
.breadcrumb .current{color:var(--text-2);}
.banner-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.page-banner h1{
  font-size:50px;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.page-banner h1 .h1-line{
  display:block;
  font-size:22px;
  font-weight:400;
  color:var(--text-2);
  margin-top:14px;
  letter-spacing:0;
}
.banner-lead{
  font-size:16.5px;
  color:var(--text-2);
  max-width:640px;
  line-height:1.95;
  margin-bottom:28px;
}
.banner-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.banner-stats{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  padding-top:26px;
  border-top:1px solid var(--stroke-soft);
}
.banner-stat strong{
  display:block;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:26px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.banner-stat span{
  display:block;
  font-size:13.5px;
  color:var(--text-3);
  margin-top:2px;
}
.banner-visual{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.banner-visual img{
  width:100%;height:100%;
  object-fit:cover;
}
.banner-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(6,11,18,.82) 100%);
}
.banner-badge{
  position:absolute;
  left:20px;bottom:20px;
  z-index:2;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  font-size:13px;
  color:var(--text-2);
}
.banner-badge b{
  color:var(--text);
  font-weight:600;
}

/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-2);}
.section-head{
  max-width:760px;
  margin-bottom:52px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary-2);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.section-head h2{
  font-size:32px;
  margin-bottom:16px;
}
.section-head p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.9;
}
.section-head-wide{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:32px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  color:var(--primary-2);
  position:relative;
  padding-bottom:2px;
}
.link-more::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--primary-2);
  transition:width .25s ease;
}
.link-more:hover::after{width:100%;}
.link-more i{font-size:12px;transition:transform .25s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ============ 图文交替长列表 ============ */
.feature-list{display:flex;flex-direction:column;gap:8px;}
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--stroke-soft);
}
.feature-row:last-child{border-bottom:0;}
.feature-row.is-reverse .feature-media{order:2;}
.feature-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
}
.feature-media img{
  width:100%;
  height:330px;
  object-fit:cover;
  transition:transform .5s ease;
}
.feature-row:hover .feature-media img{transform:scale(1.035);}
.feature-body h3{
  font-size:22px;
  margin:16px 0 14px;
}
.feature-body p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.95;
  margin-bottom:20px;
}
.tick-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tick-list li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--stroke-soft);
}
.tick-list li i{color:var(--primary-2);font-size:11px;}

/* ============ 数据入口卡 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.entry-card{
  padding:26px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(23,209,232,.45);
  background:rgba(255,255,255,.08);
  box-shadow:var(--shadow-hover);
}
.entry-card .ico{
  width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(30,155,255,.14);
  border:1px solid rgba(120,190,255,.28);
  color:var(--primary-2);
  font-size:17px;
  margin-bottom:18px;
}
.entry-card h3{font-size:17.5px;margin-bottom:10px;}
.entry-card p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0;}

/* ============ 步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  counter-reset:step;
}
.step-card{
  position:relative;
  padding:30px 24px 26px;
  border-radius:var(--r-card);
  background:var(--bg-3);
  border:1px solid var(--stroke-soft);
  transition:border-color .22s ease,transform .22s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(23,209,232,.4);}
.step-num{
  display:inline-block;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.12em;
  margin-bottom:14px;
}
.step-card h3{font-size:17.5px;margin-bottom:10px;}
.step-card p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:rgba(23,209,232,.35);}
.faq-item.is-open{background:rgba(255,255,255,.08);border-color:rgba(23,209,232,.45);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 24px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
}
.faq-q i{
  flex:none;
  font-size:13px;
  color:var(--primary-2);
  transition:transform .3s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 24px 24px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* ============ 转化条 ============ */
.cta-band{
  position:relative;
  padding:56px 48px;
  border-radius:var(--r-panel);
  background-image:
    linear-gradient(115deg,rgba(6,11,18,.92) 0%,rgba(10,20,32,.86) 55%,rgba(6,11,18,.94) 100%),
    url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-text{max-width:620px;}
.cta-text h2{font-size:28px;margin-bottom:12px;}
.cta-text p{color:var(--text-2);font-size:16px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.related{
  margin-top:44px;
  padding-top:34px;
  border-top:1px solid var(--stroke-soft);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
}
.related .related-label{
  font-size:14px;
  color:var(--text-3);
  margin-right:6px;
}
.related a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  background:var(--glass);
  border:1px solid var(--stroke-soft);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.related a:hover{
  color:var(--text);
  border-color:rgba(23,209,232,.45);
  background:rgba(255,255,255,.08);
  transform:translateY(-2px);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--stroke-soft);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand .dock-logo{margin-bottom:18px;}
.footer-brand p{
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.9;
  margin:0;
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{
  font-size:14.5px;
  color:var(--text-2);
}
.footer-col ul li a:hover{color:var(--primary-2);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  margin-bottom:14px;
}
.footer-contact li i{
  color:var(--primary-2);
  font-size:13px;
  margin-top:6px;
  flex:none;
}
.footer-bottom{
  border-top:1px solid var(--stroke-soft);
  padding:24px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;
  font-size:13.5px;
  color:var(--text-3);
}
.fb-links{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
}
.fb-links a{
  font-size:13.5px;
  color:var(--text-3);
}
.fb-links a:hover{color:var(--primary-2);}

/* ============ 滚动入场 ============ */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease-out,transform .6s ease-out;
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:span 3;}
}

@media (max-width:1023px){
  .site-header{padding:12px 16px 0;}
  .dock{padding:9px 12px 9px 16px;gap:10px;}
  .dock-toggle{display:flex;}
  .dock-nav{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:20px;
    background:rgba(10,20,32,.96);
    border:1px solid var(--stroke);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:var(--shadow);
    display:none;
    margin-left:0;
  }
  .dock-nav.is-open{display:flex;}
  .dock-link{padding:13px 16px;font-size:15px;border-radius:14px;}
  .dock-link.is-active::after{display:none;}
  .dock{position:relative;}
  .page-banner{padding:132px 0 62px;}
  .banner-grid{grid-template-columns:1fr;gap:40px;}
  .page-banner h1{font-size:36px;}
  .section{padding:72px 0;}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:36px 0;}
  .feature-row.is-reverse .feature-media{order:0;}
  .feature-media img{height:280px;}
  .section-head-wide{flex-direction:column;align-items:flex-start;gap:16px;}
  .cta-band{padding:44px 30px;}
  .faq-grid{grid-template-columns:1fr;}
}

@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .page-banner{padding:120px 0 52px;}
  .page-banner h1{font-size:30px;}
  .page-banner h1 .h1-line{font-size:17px;}
  .banner-lead{font-size:15.5px;}
  .banner-stats{gap:22px;}
  .banner-stat strong{font-size:22px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .section-head{margin-bottom:34px;}
  .feature-body h3{font-size:19px;}
  .feature-media img{height:220px;}
  .entry-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:34px 22px;}
  .cta-text h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fb-links{gap:14px;}
}

@media (max-width:520px){
  .dock-logo{font-size:14.5px;}
  .btn{padding:12px 20px;font-size:14px;}
  .btn-sm{padding:8px 14px;font-size:13px;}
  .banner-cta .btn{width:100%;}
  .banner-stats{flex-direction:column;gap:16px;}
}

/* roulang page: category4 */
/* ================= 设计变量 ================= */
:root{
  --bg:#060B12;
  --bg-2:#0A1420;
  --bg-3:#0E1B29;
  --primary:#1E9BFF;
  --primary-2:#17D1E8;
  --accent:#C6F24E;
  --warm:#FF9F1C;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6B7F91;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(120,190,255,.18);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.08);
  --radius-card:18px;
  --radius-panel:20px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.45);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ================= Reset ================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(30,155,255,.16), transparent 65%),
    radial-gradient(780px 460px at 94% 2%, rgba(23,209,232,.12), transparent 62%),
    radial-gradient(600px 400px at 50% 120%, rgba(198,242,78,.05), transparent 70%),
    var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary-2);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7FE3FF;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:600;color:var(--text);letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
[hidden]{display:none !important;}
[id]{scroll-margin-top:120px;}

/* ================= 容器与板块 ================= */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1024px){
  .container{padding:0 32px;}
}
@media (min-width:1440px){
  :root{--container:1280px;}
}
.section{padding:56px 0;}
@media (min-width:1024px){
  .section{padding:96px 0;}
}
.section-head{max-width:760px;margin-bottom:32px;}
@media (min-width:1024px){
  .section-head{margin-bottom:48px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(30,155,255,.12);
  border:1px solid var(--line-strong);
  color:var(--primary-2);
  font-size:13px;letter-spacing:.6px;line-height:1.6;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;}
.h2{font-size:24px;}
@media (min-width:1024px){
  .h2{font-size:32px;}
}
.h3{font-size:19px;}
@media (min-width:1024px){
  .h3{font-size:22px;}
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;min-height:44px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .24s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-accent{
  background:linear-gradient(135deg,#D6FF63,#A8E637);
  color:#08111B;
  box-shadow:0 8px 28px rgba(198,242,78,.22);
}
.btn-accent:hover{filter:brightness(1.08);color:#08111B;box-shadow:0 10px 34px rgba(198,242,78,.32);}
.btn-accent:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(120,190,255,.42);color:var(--text);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ================= 徽章 / 标签 ================= */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line-strong);
  color:var(--primary-2);font-size:12.5px;line-height:1.6;letter-spacing:.3px;
}
.badge-warm{color:var(--warm);border-color:rgba(255,159,28,.28);background:rgba(255,159,28,.08);}
.badge-accent{color:var(--accent);border-color:rgba(198,242,78,.28);background:rgba(198,242,78,.08);}

/* ================= 浮动 Dock 导航 ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:14px 16px 0;
  transition:padding .28s ease;
}
.dock{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 14px 10px 18px;
  border-radius:var(--radius-pill);
  background:rgba(9,18,29,.62);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 8px 26px rgba(0,0,0,.35);
  transition:max-width .3s ease,background .3s ease,backdrop-filter .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{padding-top:10px;}
.site-header.is-scrolled .dock{
  max-width:1060px;
  background:rgba(7,14,23,.86);
  backdrop-filter:blur(20px) saturate(130%);
  -webkit-backdrop-filter:blur(20px) saturate(130%);
  box-shadow:0 12px 32px rgba(0,0,0,.42);
}
.dock-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:16.5px;font-weight:700;letter-spacing:.4px;
  color:var(--text);white-space:nowrap;
}
.dock-logo:hover{color:var(--text);}
.logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(198,242,78,.55);
  flex:0 0 auto;
}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-link{
  position:relative;
  padding:9px 13px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.dock-link:hover{color:var(--primary-2);background:rgba(255,255,255,.05);}
.dock-link.is-active{color:var(--text);background:rgba(30,155,255,.13);}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:3px;
  width:0;height:2px;border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(198,242,78,.6);
  transform:translateX(-50%);
  transition:width .26s ease;
}
.dock-link.is-active::after{width:22px;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:12px;}
.dock-toggle{
  display:none;
  width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--line-strong);
  color:var(--text);cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.dock-toggle:hover{background:rgba(255,255,255,.09);border-color:rgba(120,190,255,.4);}

@media (max-width:1199px){
  .dock-link{padding:9px 10px;font-size:14px;}
}
@media (max-width:1023px){
  .dock{padding:10px 12px 10px 16px;}
  .dock-toggle{display:inline-flex;}
  .dock-actions{margin-left:auto;}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;padding:10px;
    border-radius:20px;
    background:rgba(8,16,26,.96);
    border:1px solid var(--line-strong);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    box-shadow:0 20px 44px rgba(0,0,0,.5);
  }
  .dock-nav.is-open{display:flex;}
  .dock-link{padding:12px 14px;font-size:15px;border-radius:12px;}
  .dock-link::after{display:none;}
  .dock-link.is-active{background:rgba(30,155,255,.16);}
}
@media (max-width:639px){
  .dock-logo{font-size:15px;}
  .dock-actions .btn-accent{display:none;}
}

/* ================= 页面 Hero ================= */
.page-hero{position:relative;padding:132px 0 64px;overflow:hidden;}
@media (min-width:1024px){
  .page-hero{padding:172px 0 88px;}
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(180deg,rgba(6,11,18,.78) 0%,rgba(6,11,18,.88) 55%,rgba(6,11,18,.98) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.9;
  z-index:-2;
}
.page-hero-glow{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(620px 320px at 16% 22%, rgba(30,155,255,.24), transparent 68%),
    radial-gradient(520px 280px at 92% 8%, rgba(198,242,78,.10), transparent 70%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary-2);}
.breadcrumb i{font-size:10px;color:var(--text-3);}
.breadcrumb .current{color:var(--text);}
.page-hero h1{
  font-size:30px;max-width:900px;
}
@media (min-width:1024px){
  .page-hero h1{font-size:46px;}
}
.page-hero .lead{
  margin-top:20px;max-width:720px;
  font-size:16.5px;line-height:1.95;color:var(--text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}

/* ================= 数据条 ================= */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;margin-top:44px;
  border-radius:var(--radius-panel);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--line);
}
@media (min-width:768px){
  .stat-strip{grid-template-columns:repeat(4,minmax(0,1fr));}
}
.stat-strip .stat{
  background:linear-gradient(180deg,rgba(14,27,41,.92),rgba(10,20,32,.92));
  padding:22px 20px;
}
.stat-strip .stat b{
  display:block;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--accent);line-height:1.3;
  letter-spacing:.5px;
}
.stat-strip .stat span{
  display:block;margin-top:6px;
  font-size:13.5px;color:var(--text-2);line-height:1.7;
}

/* ================= 双栏问答布局 ================= */
.support-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  align-items:start;
}
@media (min-width:1025px){
  .support-layout{grid-template-columns:minmax(0,1fr) 296px;gap:52px;}
}
.support-main{min-width:0;}

.feature-figure{
  margin:0 0 40px;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.feature-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-caption{
  padding:16px 20px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  font-size:14px;color:var(--text-2);line-height:1.8;
}

/* 侧栏目录 */
.support-side{display:none;}
@media (min-width:1025px){
  .support-side{display:block;position:sticky;top:112px;}
}
.toc{
  padding:22px 20px;
  border-radius:var(--radius-panel);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.toc h3{
  font-size:15px;color:var(--text);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc h3 i{color:var(--primary-2);font-size:13px;}
.toc a{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  border-left:2px solid transparent;
  color:var(--text-2);
  font-size:14px;line-height:1.7;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc a:hover{color:var(--primary-2);background:rgba(30,155,255,.08);border-left-color:rgba(30,155,255,.4);}
.toc a.is-current{color:var(--accent);background:rgba(30,155,255,.1);border-left-color:var(--accent);}
.toc-tip{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);line-height:1.8;
}
.toc .btn{margin-top:16px;}

/* 问答区块 */
.qa-section{margin-bottom:52px;}
.qa-section:last-child{margin-bottom:0;}
.qa-section .qa-title{
  position:relative;
  padding-left:16px;
  font-size:22px;
  margin-bottom:8px;
}
@media (min-width:1024px){
  .qa-section .qa-title{font-size:26px;}
}
.qa-section .qa-title::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 12px rgba(30,155,255,.5);
}
.qa-section .qa-desc{
  padding-left:16px;margin-bottom:20px;
  color:var(--text-2);font-size:15.5px;line-height:1.9;
}
.qa-item{
  padding:20px 22px;
  margin-bottom:14px;
  border-radius:var(--radius-card);
  background:var(--glass);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.qa-item:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  background:rgba(255,255,255,.078);
  box-shadow:var(--shadow-hover);
}
.qa-q{
  display:flex;gap:10px;
  font-size:16.5px;font-weight:600;color:var(--text);
  line-height:1.7;margin-bottom:10px;
}
.qa-q .mk{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;margin-top:3px;
  border-radius:8px;
  background:rgba(198,242,78,.14);
  color:var(--accent);
  font-size:12.5px;font-weight:700;
  font-family:var(--mono);
}
.qa-a{
  padding-left:34px;
  font-size:15.5px;line-height:1.9;color:var(--text-2);
}
.qa-a strong{color:var(--text);font-weight:600;}

/* ================= 流程步骤 ================= */
.steps{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:18px;
}
@media (min-width:640px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(14,27,41,.96),rgba(10,20,32,.96));
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.step .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:13px;color:var(--primary-2);letter-spacing:2px;
}
.step h3{margin:12px 0 10px;font-size:18px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ================= 表单 ================= */
.convert-grid{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:36px;align-items:start;
}
@media (min-width:1025px){
  .convert-grid{grid-template-columns:minmax(0,1fr) 460px;gap:56px;}
}
.field{margin-bottom:18px;}
.field label{
  display:block;margin-bottom:8px;
  font-size:14px;color:var(--text-2);font-weight:500;
}
.field label .req{color:var(--warm);margin-left:4px;}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 15px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--line-strong);
  color:var(--text);
  font-size:15px;line-height:1.7;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:120px;resize:vertical;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(255,255,255,.075);
  box-shadow:0 0 0 3px rgba(30,155,255,.16);
}
.form-card{
  padding:26px 24px;
  border-radius:var(--radius-panel);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
}
.form-tip{
  margin-top:14px;font-size:14px;color:var(--warm);
  display:flex;align-items:center;gap:8px;min-height:22px;
}
.form-tip.is-ok{color:var(--accent);}
.point-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-2);line-height:1.85;
}
.point-list li:last-child{border-bottom:none;}
.point-list i{color:var(--primary-2);margin-top:7px;font-size:13px;}

/* ================= CTA 条 ================= */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-panel);
  border:1px solid var(--line-strong);
  padding:40px 26px;
  background-image:
    linear-gradient(120deg,rgba(6,11,18,.92),rgba(6,11,18,.76)),
    url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
@media (min-width:1024px){
  .cta-band{padding:56px 52px;}
}
.cta-band h2{font-size:24px;max-width:640px;}
@media (min-width:1024px){
  .cta-band h2{font-size:32px;}
}
.cta-band p{margin-top:14px;max-width:640px;color:var(--text-2);font-size:16px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-links{
  display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:14px;
}
.cta-links a{color:var(--text-2);}
.cta-links a:hover{color:var(--primary-2);}

/* ================= 页脚 ================= */
.site-footer{
  margin-top:64px;
  padding:56px 0 32px;
  background:linear-gradient(180deg,rgba(10,20,32,.6),rgba(6,11,18,.98));
  border-top:1px solid var(--line);
}
@media (min-width:1024px){
  .site-footer{margin-top:96px;padding:72px 0 36px;}
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:34px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
}
.footer-brand .dock-logo{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;color:var(--text-2);line-height:1.9;max-width:360px;}
.footer-col h4{
  font-size:15px;color:var(--text);margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary-2);}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:12px;
}
.footer-contact i{color:var(--primary-2);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px 24px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13.5px;color:var(--text-3);}
.fb-links{display:flex;flex-wrap:wrap;gap:10px 18px;}
.fb-links a{font-size:13.5px;color:var(--text-3);}
.fb-links a:hover{color:var(--primary-2);}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}