@font-face{font-family:'Inter';font-style:normal;font-weight:400 600;font-display:swap;src:url('../fonts/inter-var-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Roboto Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/roboto-mono-500-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --canvas:#fcfcfc;
  --tint:#f0f4fe;
  --ink:#020520;
  --graphite:#14141e;
  --slate:#374151;
  --mist:#696a72;
  --deep-mist:#95959b;
  --steel:#6b7280;
  --signal:#145aff;
  --action:#0f1f3d;
  --emerald:#16ca2e;
  --coral:#f26052;
  --sky:#0099ff;
  --amber:#ffa64d;
  --line:#e6e9f2;
  --card-shadow:rgba(0,0,0,.1) 0 0 4px -2px;
  --lift-shadow:rgba(0,0,0,.25) 0 0 4px -2px;
  --feature-shadow:rgba(0,0,0,.082) 0 .36px 1.81px -1.42px,rgba(0,0,0,.07) 0 1.37px 6.87px -2.83px,rgba(0,0,0,.016) 0 6px 30px -4.25px;
  --accent-shadow:rgba(20,90,255,.1) 0 0 50px -28px,rgba(0,0,0,.18) 0 0 3px -1px;
  --font:'Inter','Pretendard',system-ui,-apple-system,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:'Roboto Mono','JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--slate);font-family:var(--font);font-size:15px;line-height:1.6;letter-spacing:.06px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:600;line-height:1.25}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
svg{flex:none}
img{display:block;max-width:100%}
::selection{background:rgba(20,90,255,.14)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--tint{background:var(--tint)}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-head--left{margin-left:0;text-align:left}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:14px}
.h-display{font-size:56px;line-height:1.05;letter-spacing:-1.51px;color:var(--ink)}
.h-lg{font-size:40px;line-height:1.08;letter-spacing:-.76px;color:var(--ink)}
.h-md{font-size:22px;line-height:1.25;letter-spacing:-.22px;color:var(--graphite)}
.h-sm{font-size:18px;line-height:1.4;letter-spacing:-.16px;color:var(--graphite)}
.body-sm{font-size:14px;line-height:1.43;letter-spacing:.06px}
.caption{font-size:10px;line-height:1.2;letter-spacing:.13px;color:var(--deep-mist);text-transform:uppercase}
.lead{font-size:18px;line-height:1.6;color:var(--mist)}
.muted{color:var(--mist)}
.mono{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:-.54px}
.text-signal{color:var(--signal)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-weight:500;font-size:15px;line-height:1;border-radius:12px;padding:15px 22px;border:1px solid transparent;cursor:pointer;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;white-space:nowrap}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.btn-outline{background:rgba(255,255,255,.8);color:var(--action);border-color:var(--action)}
.btn-outline:hover{border-color:var(--ink);box-shadow:var(--accent-shadow);background:#fff}
.btn-fill{background:linear-gradient(rgb(59,130,246) 0%,rgb(20,90,255) 100%);color:#fff;font-weight:600;font-size:14px;padding:15px 20px;box-shadow:rgba(20,90,255,.28) 0 6px 18px -10px}
.btn-fill:hover{filter:brightness(1.06)}
.btn-ghost{background:var(--canvas);color:var(--signal);border-color:rgba(20,90,255,.35);border-radius:100px;padding:14px 32px;font-size:16px}
.btn-ghost:hover{background:var(--tint)}
.btn-sm{padding:10px 16px;font-size:13px;border-radius:12px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--action)}
.btn-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.btn-link:hover{color:var(--signal)}
.btn-link:hover svg{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(252,252,252,.86);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:rgba(0,0,0,.04) 0 6px 18px -14px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--tint);color:var(--signal);display:grid;place-items:center;border:1px solid rgba(20,90,255,.16)}
.brand-mark svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:600;letter-spacing:-.2px;color:var(--ink)}
.brand-sub{font-size:10px;letter-spacing:.13px;color:var(--deep-mist);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{font-size:14px;font-weight:400;color:var(--slate);padding:8px 14px;border-radius:100px;transition:background .2s ease,color .2s ease}
.nav-links a:hover{background:var(--tint);color:var(--ink)}
.nav-links a.is-active{background:var(--tint);color:var(--ink);font-weight:500}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.6;stroke-linecap:round}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--canvas);padding:12px 24px 20px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:12px;font-size:15px;color:var(--slate)}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--tint);color:var(--ink)}
.mobile-panel a svg{width:14px;height:14px;stroke:var(--deep-mist);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mobile-panel .btn{width:100%;margin-top:10px}

/* ---------- 英雄区 ---------- */
.hero{position:relative;overflow:hidden;padding:150px 0 0;background:radial-gradient(58% 62% at 50% 4%,rgba(182,203,253,.72) 0%,rgba(240,244,254,.66) 42%,rgba(252,252,252,0) 74%),linear-gradient(180deg,#f0f4fe 0%,#fcfcfc 82%)}
.hero-orb{position:absolute;border-radius:50%;filter:blur(60px);pointer-events:none}
.hero-orb--a{width:520px;height:520px;top:-180px;left:-120px;background:radial-gradient(circle,rgba(182,203,253,.55),rgba(182,203,253,0) 70%)}
.hero-orb--b{width:460px;height:460px;top:-120px;right:-140px;background:radial-gradient(circle,rgba(185,178,255,.42),rgba(185,178,255,0) 70%)}
.hero-inner{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}
.trust-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:var(--slate);margin-bottom:26px}
.trust-badge .dot{width:16px;height:16px;border-radius:4px;background:linear-gradient(rgb(59,130,246) 0%,rgb(20,90,255) 100%);display:grid;place-items:center}
.trust-badge .dot svg{width:10px;height:10px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.hero h1{max-width:900px;margin:0 auto 20px}
.hero .lead{max-width:660px;margin:0 auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:34px 0 0}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 40px;margin-top:36px}
.hero-stats div{text-align:center}
.hero-stats .num{font-family:var(--mono);font-size:22px;font-weight:500;letter-spacing:-.54px;color:var(--graphite)}
.hero-stats .lbl{font-size:12px;color:var(--mist);margin-top:4px}

/* ---------- 产品UI预览 ---------- */
.hero-preview{margin-top:56px;position:relative;z-index:1;transform:translateY(46px)}
.feature-card{background:var(--canvas);border-radius:40px;padding:52px 72px;box-shadow:var(--feature-shadow)}
.feature-card--glass{background:rgba(252,252,252,.2);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:none;border-radius:28px}
.mock{background:#fff;border-radius:16px;box-shadow:var(--card-shadow);overflow:hidden;text-align:left}
.mock-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line)}
.mock-bar .dots{display:flex;gap:5px}
.mock-bar .dots i{width:8px;height:8px;border-radius:50%;background:#e3e6ee;display:block}
.mock-bar .title{font-size:12px;color:var(--mist)}
.mock-body{display:grid;grid-template-columns:190px 1fr;min-height:310px}
.mock-side{border-right:1px solid var(--line);padding:14px 10px;background:#fdfdff}
.mock-side .item{display:flex;align-items:center;gap:8px;height:32px;padding:0 12px;border-radius:100px;font-size:13px;color:var(--slate);margin-bottom:3px}
.mock-side .item svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mock-side .item.is-active{background:var(--tint);color:var(--graphite);font-weight:500}
.mock-main{padding:16px 18px}
.mock-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mock-head .name{font-size:14px;font-weight:500;color:var(--graphite)}
.mock-row{display:flex;align-items:center;gap:12px;background:#fff;border-radius:8px;box-shadow:var(--card-shadow);padding:12px 16px;margin-bottom:8px}
.mock-row .avatar{width:20px;height:20px;border-radius:50%;background:var(--tint);color:var(--signal);font-size:10px;font-weight:600;display:grid;place-items:center}
.mock-row .co{flex:1;font-size:14px;font-weight:500;color:var(--graphite)}
.mock-row .val{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:-.54px;color:var(--graphite)}
.mock-row .note{font-size:12px;color:var(--steel);min-width:104px;text-align:right}
.badge{display:inline-flex;align-items:center;border-radius:4px;padding:2px 6px;font-size:12px;font-weight:500;line-height:1.4}
.badge--green{background:rgba(22,202,46,.1);color:var(--emerald)}
.badge--coral{background:rgba(242,96,82,.1);color:var(--coral)}
.badge--blue{background:rgba(59,130,246,.1);color:#3b82f6}
.badge--amber{background:rgba(255,166,77,.14);color:#c97516}
.badge--grey{background:var(--tint);color:var(--slate)}

/* ---------- Logo 条 ---------- */
.logo-strip{padding:100px 0 64px}
.logo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:32px 40px;align-items:center;text-align:center}
.logo-item{font-size:15px;font-weight:500;color:var(--mist);opacity:.72;filter:grayscale(1);letter-spacing:-.2px}
.logo-strip .note{text-align:center;font-size:12px;color:var(--deep-mist);margin-bottom:30px}

/* ---------- 卡片 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:8px;box-shadow:var(--card-shadow);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--lift-shadow)}
.card-lg{border-radius:40px;padding:40px}
.card-16{border-radius:16px}
.icon-box{width:38px;height:38px;border-radius:10px;background:var(--tint);color:var(--action);display:grid;place-items:center}
.icon-box svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.card p{font-size:14px;color:var(--mist);line-height:1.6}
.card .card-foot{margin-top:auto;padding-top:6px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--deep-mist)}
.meta .sep{width:1px;height:11px;background:var(--line)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--signal);background:rgba(20,90,255,.07);border-radius:4px;padding:3px 8px}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat{background:#fff;border-radius:8px;box-shadow:var(--card-shadow);padding:20px}
.stat .num{font-family:var(--mono);font-size:22px;font-weight:500;letter-spacing:-.54px;color:var(--graphite)}
.stat .lbl{font-size:13px;color:var(--mist);margin-top:6px}
.tick-list{display:grid;gap:12px;margin-top:22px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--slate)}
.tick-list svg{width:17px;height:17px;margin-top:2px;stroke:var(--signal);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--line)}
.timeline li{position:relative;padding:0 0 30px 0}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-26px;top:6px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--signal)}
.timeline .year{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:-.54px;color:var(--signal)}
.timeline .h-sm{margin:6px 0 6px}
.timeline p{font-size:14px;color:var(--mist)}

/* ---------- 页面头 ---------- */
.page-hero{background:linear-gradient(180deg,#f0f4fe 0%,#fcfcfc 100%);padding:132px 0 56px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;width:520px;height:320px;right:-120px;top:-120px;background:radial-gradient(circle,rgba(182,203,253,.5),rgba(182,203,253,0) 70%);filter:blur(30px)}
.page-hero .inner{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--deep-mist);margin-bottom:18px}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.6}
.page-hero h1{margin-bottom:14px}
.page-hero .lead{max-width:720px}

/* ---------- 筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font-family:var(--font);font-size:13px;color:var(--slate);background:transparent;border:1px solid var(--line);border-radius:100px;padding:8px 16px;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.filters button:hover{background:var(--tint)}
.filters button.is-active{background:var(--tint);border-color:rgba(20,90,255,.25);color:var(--ink);font-weight:500}

/* ---------- 详情页 ---------- */
.article{max-width:820px}
.article h2{font-size:26px;letter-spacing:-.4px;margin:38px 0 14px}
.article h3{font-size:19px;letter-spacing:-.2px;margin:28px 0 10px}
.article p{font-size:16px;line-height:1.75;color:var(--slate);margin-bottom:16px}
.article ul.dot{list-style:disc;padding-left:20px;color:var(--slate)}
.article ul.dot li{margin-bottom:8px;font-size:15.5px;line-height:1.7}
.article blockquote{margin:24px 0;padding:18px 22px;background:var(--tint);border-radius:16px;color:var(--graphite);font-size:15px}
.callout{background:var(--tint);border-radius:16px;padding:22px 24px;display:flex;gap:14px;align-items:flex-start}
.callout svg{width:20px;height:20px;stroke:var(--signal);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.callout p{font-size:14px;color:var(--slate)}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:var(--card-shadow)}
.spec-table th,.spec-table td{text-align:left;padding:14px 18px;font-size:14px;border-bottom:1px solid var(--line)}
.spec-table th{width:190px;color:var(--mist);font-weight:500;background:#fdfdff}
.spec-table td{color:var(--graphite)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.pager a{font-size:14px;color:var(--slate);display:flex;flex-direction:column;gap:4px;max-width:46%}
.pager a:hover{color:var(--signal)}
.pager span{font-size:12px;color:var(--deep-mist)}
.reply{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.reply:last-child{border-bottom:none}
.reply .avatar{width:36px;height:36px;border-radius:50%;background:var(--tint);color:var(--signal);display:grid;place-items:center;font-size:13px;font-weight:600}
.reply .name{font-size:14px;font-weight:500;color:var(--graphite);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.reply p{font-size:14.5px;color:var(--slate);margin-top:6px;line-height:1.7}
.sidebar{display:grid;gap:20px;align-content:start}
.side-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.side-list li:last-child{border-bottom:none}
.side-list a{font-size:14px;color:var(--slate)}
.side-list a:hover{color:var(--signal)}
.detail-split{display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:start}

/* ---------- 表单 ---------- */
.form{display:grid;gap:18px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--slate)}
.field .req{color:var(--coral)}
.field input,.field select,.field textarea{font-family:var(--font);font-size:14px;color:var(--graphite);background:#fff;border:1px solid #cfcfcf;border-radius:12px;padding:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;width:100%}
.field textarea{min-height:132px;resize:vertical;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:var(--deep-mist)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky);box-shadow:rgba(0,153,255,1) 0 0 0 3px}
.field .err{font-size:12px;color:var(--coral);display:none}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--coral)}
.field.has-error .err{display:block}
.form-note{font-size:12px;color:var(--deep-mist)}
.form-alert{display:none;gap:12px;align-items:flex-start;background:var(--tint);border-radius:16px;padding:18px 20px}
.form-alert.is-visible{display:flex}
.form-alert svg{width:20px;height:20px;stroke:var(--signal);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.form-alert .title{font-size:15px;font-weight:500;color:var(--graphite)}
.form-alert p{font-size:13px;color:var(--mist);margin-top:4px}
.form-alert .acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.info-list{display:grid;gap:14px}
.info-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:8px;box-shadow:var(--card-shadow);padding:18px}
.info-item .k{font-size:12px;color:var(--deep-mist);letter-spacing:.13px}
.info-item .v{font-size:15px;color:var(--graphite);margin-top:2px}
.map-card{background:var(--tint);border-radius:40px;padding:36px;display:flex;flex-direction:column;gap:18px}
.map-canvas{border-radius:16px;background:linear-gradient(135deg,#e8effe 0%,#f7f9ff 100%);padding:26px;display:flex;flex-direction:column;gap:12px}
.map-road{height:6px;border-radius:100px;background:rgba(20,90,255,.16)}
.map-road.short{width:56%}
.transit{display:flex;flex-wrap:wrap;gap:12px}
.transit span{font-size:13px;color:var(--slate);background:#fff;border-radius:8px;padding:8px 12px;box-shadow:var(--card-shadow)}

/* ---------- CTA 区 ---------- */
.cta-band{background:linear-gradient(180deg,#f0f4fe 0%,#fcfcfc 100%);border-radius:40px;padding:52px 72px;box-shadow:var(--feature-shadow);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--tint);padding:64px 0 28px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{font-size:13px;letter-spacing:.13px;text-transform:uppercase;color:var(--graphite);margin-bottom:16px;font-weight:600}
.footer-grid li{margin-bottom:10px}
.footer-grid a,.footer-grid p{font-size:14px;color:var(--mist);line-height:1.6}
.footer-grid a:hover{color:var(--signal)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(20,90,255,.14);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--deep-mist)}
.footer-bottom .links{display:flex;gap:18px}
.footer-bottom a:hover{color:var(--signal)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px)}
.reveal.is-visible{opacity:1;transform:none;transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
  .card,.btn{transition:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split,.detail-split{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-outline{display:none}
  .logo-grid{grid-template-columns:repeat(3,1fr)}
  .feature-card{padding:36px 32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .h-display,.hero h1{font-size:34px;letter-spacing:-.9px;line-height:1.14}
  .h-lg{font-size:28px;letter-spacing:-.5px}
  .h-md{font-size:19px}
  .lead{font-size:16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{padding-top:118px}
  .hero-preview{margin-top:36px;transform:translateY(28px)}
  .mock-body{grid-template-columns:1fr}
  .mock-side{display:none}
  .mock-row .note{display:none}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:32px 24px}
  .map-card{border-radius:28px;padding:24px}
  .card-lg{border-radius:28px;padding:26px}
  .page-hero{padding:112px 0 40px}
  .footer-grid{grid-template-columns:1fr}
  .spec-table th{width:118px}
  .pager a{max-width:100%}
}