/* ============================================================
   Scenivue · 全站商业组件样式
   页脚 / 品牌标 / Cookie 同意条 / Cookie 偏好设置 / 信息与法务页
   与 style.css 的暗色玻璃拟态保持同一套视觉语言
   ============================================================ */
:root{
  --sv-blue:#4aa3ff;
  --sv-blue-deep:#299dff;
  --sv-ink:#ededed;
  --sv-sub:#a9a9ad;
  --sv-dim:#78787d;
  --sv-line:rgba(255,255,255,.12);
  --sv-line-soft:rgba(255,255,255,.07);
  --sv-card:rgba(255,255,255,.045);
  --sv-glass:rgba(22,22,25,.96);
  --sv-radius:16px;
  --sv-ease:cubic-bezier(.2,.8,.2,1);
}

/* ---------- 顶部工具栏左侧品牌标 ---------- */
.dock-brand{display:flex;align-items:center;gap:8px;height:36px;padding:0 13px 0 8px;border-radius:999px;
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.4px;white-space:nowrap;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:.32s var(--sv-ease)}
.dock-brand:hover{background:rgba(74,163,255,.18);border-color:rgba(74,163,255,.5);transform:translateY(-3px)}
.sv-mark{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex:none;
  border-radius:8px;background:linear-gradient(140deg,#5cb0ff,#2178e8);color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 3px 12px rgba(41,153,255,.45)}
.sv-mark.lg{width:38px;height:38px;border-radius:12px;font-size:22px}

/* ---------- 全站页脚 ---------- */
.site-footer{position:relative;z-index:3;margin-top:72px;padding:54px clamp(18px,4vw,58px) 0;
  background:linear-gradient(180deg,rgba(18,18,20,0) 0%,rgba(15,15,17,.94) 30%,#101012 100%);
  border-top:1px solid var(--sv-line-soft)}
.site-footer:before{content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  width:min(560px,70%);height:1px;background:linear-gradient(90deg,transparent,rgba(74,163,255,.55),transparent)}
.sf-inner{max-width:1360px;margin:0 auto}
.sf-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
.sf-brand .sf-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.sf-brand .sf-name{font-size:20px;font-weight:750;letter-spacing:.6px;color:#fff}
.sf-brand .sf-name small{display:block;font-size:10px;font-weight:600;letter-spacing:2.6px;color:var(--sv-blue);margin-top:2px}
.sf-slogan{margin:0 0 10px;font-size:14px;color:#d9d9de;font-weight:600}
.sf-desc{margin:0 0 18px;max-width:340px;font-size:12.5px;line-height:1.85;color:var(--sv-sub)}
.sf-mail{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--sv-blue);transition:.25s}
.sf-mail:hover{color:#fff;text-shadow:0 0 14px rgba(74,163,255,.7)}
.sf-col h3{margin:2px 0 16px;font-size:12px;font-weight:700;letter-spacing:1.4px;color:#fff;text-transform:uppercase}
.sf-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.sf-col a,.sf-col button{font-size:12.5px;color:var(--sv-sub);text-align:left;padding:0;transition:.25s var(--sv-ease)}
.sf-col a:hover,.sf-col button:hover{color:#fff;transform:translateX(3px)}
.sf-col .sf-hot{color:var(--sv-blue)}
.sf-cta{margin:0 0 40px;padding:20px 24px;border-radius:var(--sv-radius);display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border:1px solid rgba(74,163,255,.28);background:linear-gradient(100deg,rgba(41,153,255,.14),rgba(41,153,255,.03))}
.sf-cta-txt b{display:block;font-size:14px;color:#fff;margin-bottom:4px}
.sf-cta-txt span{font-size:12px;color:var(--sv-sub)}
.sf-cta a{flex:none;padding:9px 18px;border-radius:999px;font-size:12.5px;font-weight:600;color:#fff;
  background:var(--sv-blue-deep);box-shadow:0 8px 24px rgba(41,153,255,.32);transition:.3s var(--sv-ease)}
.sf-cta a:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(41,153,255,.5)}
.sf-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--sv-line-soft);font-size:11.5px;color:var(--sv-dim)}
.sf-bottom p{margin:0}
.sf-bottom-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.sf-bottom a,.sf-bottom button{font-size:11.5px;color:var(--sv-dim);transition:.25s}
.sf-bottom a:hover,.sf-bottom button:hover{color:#fff}
.sf-icp{color:var(--sv-dim)}
.sf-totop{display:inline-flex;align-items:center;gap:5px}
@media(max-width:980px){.sf-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}.sf-col.sf-legal-col{grid-column:1/-1}}
@media(max-width:640px){
  .site-footer{margin-top:52px;padding-top:38px}
  .sf-top{grid-template-columns:1fr 1fr;gap:26px}
  .sf-brand{grid-column:1/-1}
  .sf-col.sf-legal-col{grid-column:1/-1}
  .sf-bottom{flex-direction:column;align-items:flex-start}
  .dock-brand .db-name{display:none}
  .dock-brand{padding:0 8px}
}

/* ---------- Cookie 同意条 ---------- */
.sv-cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:260;max-width:1180px;margin:0 auto;
  padding:18px 20px;border-radius:20px;border:1px solid rgba(255,255,255,.16);
  background:var(--sv-glass);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  box-shadow:0 24px 70px rgba(0,0,0,.75);display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  animation:sv-rise .45s var(--sv-ease)}
@keyframes sv-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.sv-cookie-txt{flex:1 1 420px;min-width:0}
.sv-cookie-txt b{display:block;margin-bottom:5px;font-size:14px;color:#fff}
.sv-cookie-txt p{margin:0;font-size:12px;line-height:1.75;color:var(--sv-sub)}
.sv-cookie-txt a{color:var(--sv-blue);text-decoration:underline;text-underline-offset:2px}
.sv-cookie-btns{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.sv-btn{padding:9px 16px;border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap;transition:.28s var(--sv-ease);
  border:1px solid var(--sv-line);color:#dedee2;background:rgba(255,255,255,.05)}
.sv-btn:hover{color:#fff;border-color:rgba(74,163,255,.6);background:rgba(74,163,255,.14)}
.sv-btn.primary{color:#fff;border-color:transparent;background:var(--sv-blue-deep);box-shadow:0 8px 22px rgba(41,153,255,.3)}
.sv-btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(41,153,255,.5)}
.sv-btn.ghost{border-color:transparent;color:var(--sv-sub);background:transparent}
.sv-btn.ghost:hover{color:#fff}
body.has-cookie-bar{padding-bottom:104px}
body.has-cookie-bar .i18n-fixed{bottom:150px}
@media(max-width:640px){
  .sv-cookie{left:10px;right:10px;bottom:10px;padding:15px;gap:14px}
  .sv-cookie-btns{width:100%}
  .sv-cookie-btns .sv-btn{flex:1 1 auto;text-align:center}
  body.has-cookie-bar{padding-bottom:196px}
  body.has-cookie-bar .i18n-fixed{bottom:210px}
}

/* ---------- Cookie 偏好设置弹窗 ---------- */
.sv-mask{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:18px;
  background:rgba(6,6,8,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.sv-modal{width:min(560px,100%);max-height:86vh;overflow:auto;padding:26px;border-radius:22px;
  border:1px solid rgba(255,255,255,.16);background:#1a1a1d;box-shadow:0 30px 90px rgba(0,0,0,.8)}
.sv-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.sv-modal-head h2{margin:0;font-size:19px;color:#fff}
.sv-modal-x{width:32px;height:32px;flex:none;border-radius:50%;font-size:18px;color:var(--sv-sub);background:rgba(255,255,255,.07)}
.sv-modal-x:hover{color:#fff;background:rgba(255,255,255,.14)}
.sv-modal-intro{margin:0 0 18px;font-size:12.5px;line-height:1.8;color:var(--sv-sub)}
.sv-opt{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-top:1px solid var(--sv-line-soft)}
.sv-opt-txt{flex:1;min-width:0}
.sv-opt-txt b{display:block;font-size:13.5px;color:#fff;margin-bottom:4px}
.sv-opt-txt span{font-size:11.5px;line-height:1.7;color:var(--sv-sub)}
.sv-switch{position:relative;flex:none;width:42px;height:24px;margin-top:2px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid var(--sv-line);cursor:pointer;transition:.28s}
.sv-switch:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.28s var(--sv-ease)}
.sv-switch[aria-checked="true"]{background:var(--sv-blue-deep);border-color:transparent}
.sv-switch[aria-checked="true"]:after{transform:translateX(18px)}
.sv-switch[disabled]{opacity:.65;cursor:not-allowed}
.sv-modal-foot{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px;padding-top:18px;border-top:1px solid var(--sv-line-soft)}
.sv-modal-foot .sv-btn{flex:1 1 auto;text-align:center}

/* ---------- 信息与法务页 ---------- */
.sv-legal{background:#141416;min-height:100vh}
.sv-nav{position:sticky;top:0;z-index:80;display:flex;align-items:center;gap:24px;
  padding:14px clamp(18px,4vw,58px);border-bottom:1px solid var(--sv-line-soft);
  background:rgba(18,18,20,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.sv-nav .sv-logo{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:750;letter-spacing:.5px;color:#fff}
.sv-nav-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.sv-nav-links a{font-size:12.5px;color:var(--sv-sub);transition:.25s}
.sv-nav-links a:hover,.sv-nav-links a.is-current{color:#fff}
.sv-nav-cta{padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:600;color:#fff;background:var(--sv-blue-deep);transition:.3s}
.sv-nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(41,153,255,.4)}
.sv-doc{max-width:1120px;margin:0 auto;padding:44px clamp(18px,4vw,40px) 0}
.sv-crumb{font-size:11.5px;color:var(--sv-dim);margin-bottom:26px}
.sv-crumb a:hover{color:#fff}
.sv-kicker{display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--sv-blue);background:rgba(74,163,255,.12);border:1px solid rgba(74,163,255,.28)}
.sv-doc-head h1{margin:0 0 12px;font-size:clamp(28px,4vw,40px);font-weight:750;letter-spacing:-.5px;color:#fff}
.sv-lead{margin:0 0 14px;max-width:760px;font-size:14.5px;line-height:1.9;color:#c8c8cd}
.sv-meta{margin:0 0 36px;font-size:11.5px;color:var(--sv-dim)}
.sv-doc-grid{display:grid;grid-template-columns:210px minmax(0,1fr);gap:38px;align-items:start}
.sv-toc{position:sticky;top:86px;padding:18px;border-radius:var(--sv-radius);border:1px solid var(--sv-line-soft);background:var(--sv-card)}
.sv-toc b{display:block;margin-bottom:12px;font-size:11px;letter-spacing:1.4px;color:var(--sv-dim);text-transform:uppercase}
.sv-toc a{display:block;padding:6px 0;font-size:12.5px;color:var(--sv-sub);border-left:2px solid transparent;padding-left:10px;transition:.25s}
.sv-toc a:hover{color:#fff;border-left-color:var(--sv-blue)}
.sv-content{min-width:0}
.sv-sec{margin-bottom:18px;padding:24px 26px;border-radius:var(--sv-radius);border:1px solid var(--sv-line-soft);background:var(--sv-card)}
.sv-sec h2{margin:0 0 14px;font-size:17px;font-weight:700;color:#fff;scroll-margin-top:90px}
.sv-sec h2 em{font-style:normal;color:var(--sv-blue);margin-right:9px;font-size:13px}
.sv-sec p{margin:0 0 12px;font-size:13px;line-height:1.95;color:#c2c2c8}
.sv-sec p:last-child{margin-bottom:0}
.sv-sec ul{margin:0 0 12px;padding-left:20px}
.sv-sec li{margin-bottom:8px;font-size:13px;line-height:1.85;color:#c2c2c8}
.sv-sec a{color:var(--sv-blue);text-decoration:underline;text-underline-offset:2px}
.sv-sec strong{color:#fff}
.sv-note{padding:14px 16px;border-radius:12px;border:1px solid rgba(74,163,255,.28);background:rgba(41,153,255,.09);
  font-size:12.5px;line-height:1.8;color:#cfe4ff}
.sv-warn{border-color:rgba(240,194,102,.3);background:rgba(240,194,102,.08);color:#f2dcae}
.sv-table{width:100%;border-collapse:collapse;font-size:12.5px;margin:4px 0 12px}
.sv-table th,.sv-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--sv-line-soft);color:#c2c2c8}
.sv-table th{color:#fff;font-weight:600;background:rgba(255,255,255,.035)}
.sv-doc-foot{margin:34px 0 0;padding:22px 26px;border-radius:var(--sv-radius);
  border:1px solid var(--sv-line-soft);background:var(--sv-card);font-size:13px;line-height:1.9;color:var(--sv-sub)}
.sv-doc-foot b{color:#fff}
.sv-doc-foot a{color:var(--sv-blue)}
.lang-en[hidden],.lang-zh[hidden]{display:none}
@media(max-width:840px){
  .sv-doc-grid{grid-template-columns:1fr;gap:0}
  .sv-toc{position:static;margin-bottom:22px}
  .sv-nav-links{display:none}
  .sv-sec{padding:20px}
}