*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:#14122a;
  background:
    radial-gradient(900px 620px at 6% -8%, rgba(255,61,33,.14), transparent 62%),
    radial-gradient(820px 600px at 102% 2%, rgba(106,60,255,.16), transparent 58%),
    radial-gradient(760px 520px at 50% 104%, rgba(0,184,159,.10), transparent 62%),
    linear-gradient(180deg,#fffaf6 0%,#f7f4ff 46%,#f4fbff 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:#5b32ff}
h1,h2,h3{margin:0;color:#14122a;letter-spacing:-.4px}
p{margin:0}
ul{margin:0}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

.section{padding:76px 0}
.section-head{max-width:780px;margin-bottom:36px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#6a3cff}
.kicker::before{content:"";width:20px;height:3px;border-radius:2px;background:linear-gradient(90deg,#ff3d21,#6a3cff)}
.section-head h2{font-size:clamp(23px,3vw,34px);line-height:1.32;margin:14px 0 12px;font-weight:800}
.section-head p{color:#5c5878;font-size:15.5px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .2s ease,box-shadow .25s ease,background .2s ease}
.btn-primary{background:linear-gradient(120deg,#ff3d21,#ff7a2b 58%,#ffab3a);color:#fff;box-shadow:0 12px 24px rgba(255,77,35,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(255,77,35,.36)}
.btn-ghost{background:#fff;color:#14122a;border-color:rgba(20,18,42,.16);box-shadow:0 8px 18px rgba(48,25,120,.08)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(48,25,120,.14);border-color:rgba(106,60,255,.4)}
.btn-sm{padding:10px 18px;font-size:14px}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,251,247,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(20,18,42,.09)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#14122a;font-weight:800;font-size:17px;flex:0 0 auto}
.brand .ai-page-logo{width:34px;height:auto;display:block;background:#fff;border-radius:9px;padding:2px;border:1px solid rgba(20,18,42,.08)}
.nav-wrap{display:flex;align-items:center;gap:12px}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:8px 10px;font-size:14.5px;color:#3a3656;text-decoration:none;border-radius:10px;white-space:nowrap;transition:color .2s ease,background .2s ease}
.nav-links a:hover{color:#6a3cff;background:rgba(106,60,255,.09)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(20,18,42,.14);background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;background:#14122a;border-radius:2px;position:relative;transition:background .2s}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#14122a;border-radius:2px;transition:transform .25s}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* 首屏 */
.hero{padding:62px 0 26px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.6px;color:#5b32ff;background:rgba(106,60,255,.10);border:1px solid rgba(106,60,255,.18);padding:7px 15px;border-radius:999px}
.hero h1{font-size:clamp(29px,4.4vw,47px);line-height:1.22;font-weight:900;margin:18px 0 16px}
.hero .lead{font-size:16.5px;color:#4e4a6b;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;margin:26px 0 0;padding:0;font-size:14.5px;color:#423e60}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#ff3d21,#6a3cff);flex:0 0 auto}

.matrix{position:relative;background:linear-gradient(155deg,#ffffff,#f6f2ff 48%,#fff3ec);border:1px solid rgba(106,60,255,.18);border-radius:24px;padding:24px;box-shadow:0 24px 52px rgba(76,38,180,.15);overflow:hidden}
.matrix::before{content:"";position:absolute;top:-70px;right:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,61,33,.24),transparent 68%);pointer-events:none}
.matrix>*{position:relative}
.matrix-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.4px;color:#6a3cff}
.matrix-head i{width:8px;height:8px;border-radius:50%;background:#00b89f;display:inline-block;animation:pulse 2.4s ease-in-out infinite}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0 18px}
.chips span{font-size:13px;font-weight:600;padding:7px 13px;border-radius:999px;background:#fff;border:1px solid rgba(20,18,42,.09);color:#2c2849;box-shadow:0 4px 10px rgba(48,25,120,.07);animation:floaty 6.5s ease-in-out infinite}
.chips span:nth-child(2n){animation-delay:.7s}
.chips span:nth-child(3n){animation-delay:1.4s}
.chips span:nth-child(4n){animation-delay:2.1s}
.chips span:nth-child(5n){animation-delay:2.8s}
.matrix-foot{font-size:13.5px;color:#5c5878;border-top:1px dashed rgba(20,18,42,.14);padding-top:14px}

@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;margin:46px 0 0;padding:22px 18px;background:rgba(255,255,255,.78);border:1px solid rgba(20,18,42,.09);border-radius:22px;box-shadow:0 12px 30px rgba(48,25,120,.08)}
.stats li{text-align:center}
.stats strong{display:block;font-size:clamp(21px,2.6vw,29px);font-weight:900;color:#e03010;line-height:1.25}
.stats strong .unit{font-size:14px;color:#6c6885;font-weight:700;margin-left:2px}
.stats span{display:block;font-size:13.5px;color:#5c5878;margin-top:2px}

/* 关于我们 */
.about-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:start}
.about-text p{color:#4a4666;font-size:15.8px;margin-bottom:16px}
.about-text .btn{margin-top:8px}
.about-media{margin:0;border-radius:20px;overflow:hidden;border:1px solid rgba(20,18,42,.1);box-shadow:0 18px 40px rgba(48,25,120,.14);background:#f6f3ff}
.about-media img{display:block;width:100%;height:auto}

.ability-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;list-style:none;padding:0;margin:36px 0 0}
.ability-grid li{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:18px 20px;box-shadow:0 6px 18px rgba(48,25,120,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.ability-grid li:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(48,25,120,.12);border-color:rgba(106,60,255,.3)}
.ability-grid h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.ability-grid p{font-size:14px;color:#5c5878}

/* 服务卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:18px;padding:24px;box-shadow:0 8px 22px rgba(48,25,120,.07);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 38px rgba(48,25,120,.14);border-color:rgba(106,60,255,.3)}
.card .icon{width:46px;height:46px;border-radius:14px;position:relative;margin-bottom:16px;background:linear-gradient(135deg,#ff3d21,#8a5cff);box-shadow:0 10px 20px rgba(255,61,33,.22)}
.card .icon::after{content:"";position:absolute;inset:14px;border-radius:50%;background:#fff;opacity:.94}
.card:nth-child(2n) .icon{background:linear-gradient(135deg,#6a3cff,#00b89f);box-shadow:0 10px 20px rgba(106,60,255,.24)}
.card:nth-child(3n) .icon{background:linear-gradient(135deg,#ff8a2b,#ff3d21);box-shadow:0 10px 20px rgba(255,138,43,.26)}
.card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.card p{font-size:14.5px;color:#55516f}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:14px 0 0}
.tags li{font-size:12.5px;color:#5b32ff;background:rgba(106,60,255,.1);border-radius:999px;padding:4px 11px;font-weight:600}

/* 一站式 */
.mini-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:16px;margin-top:8px}
.mini{background:rgba(255,255,255,.86);border:1px solid rgba(20,18,42,.09);border-radius:15px;padding:18px 20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background .25s ease}
.mini:hover{transform:translateY(-4px);background:#fff;box-shadow:0 16px 32px rgba(48,25,120,.12);border-color:rgba(255,61,33,.3)}
.mini h3{font-size:15.5px;font-weight:800;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.mini h3::before{content:"";width:8px;height:8px;border-radius:3px;background:linear-gradient(135deg,#ff3d21,#6a3cff);flex:0 0 auto}
.mini p{font-size:14px;color:#5c5878}

/* 行业方案 */
.industry{position:relative;overflow:hidden}
.industry::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,#ff3d21,#6a3cff,#00b89f);opacity:.85}
.industry h3{font-size:17px;font-weight:800;margin-bottom:8px}
.industry p{font-size:14.5px;color:#55516f}

/* 服务网络 */
.network-card{background:linear-gradient(160deg,#ffffff,#faf7ff);border:1px solid rgba(20,18,42,.09);border-radius:18px;padding:24px;box-shadow:0 8px 22px rgba(48,25,120,.07);transition:transform .25s ease,box-shadow .25s ease}
.network-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(48,25,120,.13)}
.network-card .badge{display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;color:#5b32ff;background:rgba(106,60,255,.1);padding:5px 12px;border-radius:999px;margin-bottom:12px}
.network-card h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.network-card p{font-size:14.2px;color:#55516f}

/* 流程 */
.process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;list-style:none;padding:0;margin:0;counter-reset:step}
.process li{position:relative;background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:22px 18px 18px;box-shadow:0 8px 22px rgba(48,25,120,.07);transition:transform .25s ease,box-shadow .25s ease}
.process li:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(48,25,120,.13)}
.process li::before{counter-increment:step;content:"0" counter(step);display:block;font-size:13px;font-weight:900;letter-spacing:1px;color:#ff3d21;margin-bottom:8px}
.process h3{font-size:16px;font-weight:800;margin-bottom:6px}
.process p{font-size:13.8px;color:#5c5878}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:18px;padding:16px;box-shadow:0 8px 22px rgba(48,25,120,.07);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.case-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(48,25,120,.14);border-color:rgba(106,60,255,.3)}
.case-media{aspect-ratio:4/3;border-radius:13px;overflow:hidden;background:#f4f1fd;border:1px solid rgba(20,18,42,.07);display:flex;align-items:center;justify-content:center}
.case-media img{width:100%;height:100%;object-fit:contain;display:block}
.case-card h3{font-size:16px;font-weight:800;margin:14px 0 6px}
.case-card p{font-size:14px;color:#5c5878}

/* 对比评测 */
.rating{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;background:linear-gradient(120deg,#fff2ec,#f1edff);border:1px solid rgba(106,60,255,.2);border-radius:22px;padding:26px 30px;margin-bottom:26px;box-shadow:0 14px 34px rgba(76,38,180,.12)}
.rating .score{font-size:46px;font-weight:900;color:#e03010;line-height:1;white-space:nowrap}
.rating .score span{font-size:17px;color:#6c6885;font-weight:800;margin-left:2px}
.rating .stars{color:#ff8a2b;font-size:19px;letter-spacing:4px;line-height:1.4}
.rating p{font-size:14.6px;color:#413d5e;margin-top:4px}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid rgba(20,18,42,.1);border-radius:18px;background:#fff;box-shadow:0 10px 26px rgba(48,25,120,.08)}
table{width:100%;border-collapse:collapse;min-width:700px;font-size:14.8px}
th,td{padding:15px 20px;text-align:left;border-bottom:1px solid rgba(20,18,42,.08);vertical-align:top}
thead th{background:linear-gradient(120deg,rgba(255,61,33,.09),rgba(106,60,255,.12));font-weight:800;font-size:14.2px;color:#221f3d}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(106,60,255,.045)}
td:first-child{font-weight:800;color:#221f3d;white-space:nowrap}
td.strong{color:#c22a0d;font-weight:700}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:18px;padding:24px;box-shadow:0 8px 22px rgba(48,25,120,.07);display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,box-shadow .25s ease}
.review:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(48,25,120,.13)}
.review .stars{color:#ff8a2b;letter-spacing:2px;font-size:15px}
.review p{font-size:14.6px;color:#454161}
.review .who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px dashed rgba(20,18,42,.12)}
.review .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ff3d21,#6a3cff);color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.review .who b{display:block;font-size:14px;color:#221f3d}
.review .who small{color:#7a7691;font-size:12.6px}

/* Token 比价 */
.token-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.token-card{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:18px;padding:24px;box-shadow:0 8px 22px rgba(48,25,120,.07);transition:transform .25s ease,box-shadow .25s ease}
.token-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(48,25,120,.13)}
.token-card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.token-card .models{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.token-card .models span{font-size:12.6px;color:#2c2849;background:#f5f2ff;border:1px solid rgba(106,60,255,.16);border-radius:999px;padding:4px 11px}
.token-card p{font-size:14.2px;color:#55516f}
.token-note{margin-top:20px;background:rgba(255,255,255,.82);border:1px dashed rgba(106,60,255,.32);border-radius:16px;padding:18px 22px;font-size:14.4px;color:#413d5e}
.token-note a{font-weight:700}

/* 表单 */
.match-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:start}
.form-card{background:#fff;border:1px solid rgba(20,18,42,.1);border-radius:22px;padding:30px;box-shadow:0 18px 42px rgba(48,25,120,.12)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.8px;font-weight:800;color:#2c2849}
.field input,.field select,.field textarea{font-family:inherit;font-size:15px;color:#14122a;padding:12px 14px;border-radius:12px;border:1px solid rgba(20,18,42,.16);background:#fcfbff;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#6a3cff;box-shadow:0 0 0 3px rgba(106,60,255,.14)}
.field textarea{min-height:112px;resize:vertical}
.form-tip{font-size:13px;color:#7a7691;margin-top:14px;grid-column:1/-1}

.side-card{background:linear-gradient(160deg,#fff,#f8f4ff);border:1px solid rgba(20,18,42,.09);border-radius:20px;padding:24px;box-shadow:0 10px 26px rgba(48,25,120,.09)}
.side-card h3{font-size:16.5px;font-weight:800;margin-bottom:12px}
.side-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.side-list li{font-size:14.2px;color:#4a4666;display:flex;gap:8px}
.side-list li b{color:#221f3d;flex:0 0 auto}
.side-qr{margin-top:16px;text-align:center}
.side-qr img{width:150px;height:auto;border-radius:12px;border:1px solid rgba(20,18,42,.1);background:#fff;padding:6px}
.side-qr span{display:block;font-size:13px;color:#7a7691;margin-top:8px}

/* 加盟 */
.agent-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.agent-panel{background:linear-gradient(150deg,#1b1830,#2a1f52 55%,#3a1f46);color:#efecfb;border-radius:22px;padding:32px;box-shadow:0 22px 46px rgba(30,20,80,.28);position:relative;overflow:hidden}
.agent-panel::after{content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,61,33,.42),transparent 68%)}
.agent-panel h2{color:#fff;font-size:clamp(21px,2.6vw,27px);line-height:1.35;margin-bottom:14px;position:relative}
.agent-panel p{color:#d9d3f2;font-size:15px;position:relative}
.agent-panel .btn{margin-top:22px;position:relative}
.agent-list{display:grid;gap:14px;list-style:none;padding:0;margin:0}
.agent-list li{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:18px 20px;box-shadow:0 8px 20px rgba(48,25,120,.07)}
.agent-list h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.agent-list p{font-size:14px;color:#55516f}

/* 帮助中心 / 百科 */
.help-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.help-card{background:#fff;border:1px solid rgba(20,18,42,.09);border-left:4px solid #ff3d21;border-radius:14px;padding:20px;box-shadow:0 8px 20px rgba(48,25,120,.06);transition:transform .25s ease,box-shadow .25s ease}
.help-card:nth-child(2){border-left-color:#6a3cff}
.help-card:nth-child(3){border-left-color:#00b89f}
.help-card:nth-child(4){border-left-color:#ff8a2b}
.help-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(48,25,120,.12)}
.help-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.help-card p{font-size:14px;color:#5c5878}

.wiki-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.wiki-item{background:rgba(255,255,255,.88);border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:20px;transition:background .25s ease,box-shadow .25s ease,transform .25s ease}
.wiki-item:hover{background:#fff;transform:translateY(-3px);box-shadow:0 16px 30px rgba(48,25,120,.11)}
.wiki-item h3{font-size:15.5px;font-weight:800;margin-bottom:6px;color:#5b32ff}
.wiki-item p{font-size:14px;color:#55516f}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.news-card{display:block;text-decoration:none;background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:22px;box-shadow:0 8px 20px rgba(48,25,120,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(48,25,120,.13);border-color:rgba(106,60,255,.32)}
.news-card .tag{display:inline-block;font-size:12px;font-weight:800;color:#c22a0d;background:rgba(255,61,33,.1);border-radius:999px;padding:4px 11px;margin-bottom:12px}
.news-card h3{font-size:15.5px;font-weight:800;color:#14122a;line-height:1.5;margin-bottom:8px}
.news-card p{font-size:13.8px;color:#6b6788}

/* FAQ */
.faq-list{display:grid;gap:12px}
details.faq{background:#fff;border:1px solid rgba(20,18,42,.1);border-radius:14px;padding:0 20px;box-shadow:0 6px 18px rgba(48,25,120,.06);transition:border-color .22s ease,box-shadow .22s ease}
details.faq[open]{border-color:rgba(106,60,255,.34);box-shadow:0 14px 30px rgba(48,25,120,.12)}
details.faq summary{cursor:pointer;list-style:none;padding:17px 0;font-size:15.6px;font-weight:800;color:#221f3d;display:flex;align-items:center;justify-content:space-between;gap:16px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:22px;line-height:1;color:#6a3cff;font-weight:700;transition:transform .25s ease;flex:0 0 auto}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq .answer{padding:0 0 18px;font-size:14.6px;color:#4a4666}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.contact-card{background:#fff;border:1px solid rgba(20,18,42,.09);border-radius:16px;padding:22px;box-shadow:0 8px 20px rgba(48,25,120,.06);transition:transform .25s ease,box-shadow .25s ease}
.contact-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(48,25,120,.12)}
.contact-card h3{font-size:14.5px;font-weight:800;color:#5b32ff;margin-bottom:8px;letter-spacing:.5px}
.contact-card p,.contact-card a{font-size:15px;color:#221f3d;font-weight:700;text-decoration:none;word-break:break-all}
.contact-card a:hover{color:#6a3cff}

/* 页脚 */
.site-footer{background:#14122a;color:#d8d4ea;padding:46px 0 24px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .ai-page-logo{width:40px;height:auto;display:block;background:#fff;border-radius:10px;padding:4px;margin-bottom:14px}
.footer-brand p{font-size:14.2px;color:#cdc8e0;margin-bottom:8px}
.footer-brand .fname{font-size:16px;font-weight:800;color:#fff;margin-bottom:10px}
.footer-links h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:6px}
.footer-links ul{display:flex;flex-wrap:wrap;gap:10px 18px;list-style:none;padding:0;margin:10px 0 0}
.footer-links a{font-size:13.8px;color:#c6c0dd;text-decoration:none;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-bottom{padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between;font-size:13.4px;color:#a9a3c6}
.footer-bottom a{color:#d8d4ea;text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* 浮动客服 */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;gap:10px}
.dock-btn{width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,#ff3d21,#ff8a2b);box-shadow:0 14px 28px rgba(255,77,35,.34);transition:transform .2s ease,box-shadow .25s ease,opacity .25s ease}
.dock-btn:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(255,77,35,.42)}
.dock-top{background:linear-gradient(135deg,#6a3cff,#3d7bff);box-shadow:0 14px 28px rgba(106,60,255,.34);opacity:0;visibility:hidden;pointer-events:none}
.dock-top.show{opacity:1;visibility:visible;pointer-events:auto}
.kefu-panel{position:fixed;right:18px;bottom:150px;width:246px;z-index:91;background:#fff;border:1px solid rgba(20,18,42,.12);border-radius:18px;padding:18px;box-shadow:0 24px 48px rgba(30,20,80,.2);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
.kefu-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.kefu-panel .kefu-head{font-size:14.5px;font-weight:800;color:#221f3d;margin-bottom:12px}
.kefu-qr{width:100%;height:auto;display:block;border-radius:12px;background:#f6f3ff;border:1px solid rgba(20,18,42,.08)}
.kefu-panel p{font-size:13.4px;color:#55516f;margin-top:10px;text-align:center}
.kefu-panel .kefu-line{color:#221f3d;font-weight:700;text-align:left;font-size:13.6px}

/* 渐入 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .55s cubic-bezier(.22,.68,.32,1),box-shadow .3s ease,border-color .3s ease}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal.in.card:hover,.reveal.in.case-card:hover,.reveal.in.review:hover,.reveal.in.token-card:hover,.reveal.in.mini:hover,.reveal.in.news-card:hover{transform:translateY(-4px)}

/* 响应式 */
@media (max-width:1080px){
  .process{grid-template-columns:repeat(3,minmax(0,1fr))}
  .help-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .menu-toggle{display:inline-flex}
  .nav-wrap{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:10px;padding:14px 20px 22px;background:#fffdfb;border-bottom:1px solid rgba(20,18,42,.1);box-shadow:0 24px 44px rgba(20,18,42,.12)}
  .nav-wrap.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-links a{padding:12px 4px;border-bottom:1px solid rgba(20,18,42,.06);font-size:15px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .about-grid{grid-template-columns:1fr;gap:28px}
  .grid-3,.case-grid,.review-grid,.token-grid,.contact-grid,.wiki-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .match-grid{grid-template-columns:1fr}
  .agent-wrap{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  .section{padding:56px 0}
  .hero{padding:44px 0 18px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 12px;padding:20px 14px;margin-top:34px}
  .grid-3,.grid-4,.case-grid,.review-grid,.token-grid,.contact-grid,.wiki-grid,.help-grid{grid-template-columns:1fr}
  .process{grid-template-columns:1fr}
  .form-card{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .rating{grid-template-columns:1fr;gap:12px;padding:22px}
  .rating .score{font-size:40px}
  .footer-bottom{justify-content:flex-start}
  .kefu-panel{right:14px;bottom:142px;width:calc(100% - 28px);max-width:260px}
  .float-dock{right:14px;bottom:18px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}