*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:#1c2030;
  background-color:#fdfaf4;
  background-image:
    radial-gradient(circle at 12% 6%,rgba(255,107,74,.09),transparent 42%),
    radial-gradient(circle at 88% 14%,rgba(91,91,214,.09),transparent 44%),
    radial-gradient(circle at 50% 96%,rgba(20,184,166,.08),transparent 46%);
  background-attachment:fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%}
a{color:inherit}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 22px}
section{scroll-margin-top:86px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(253,250,244,.93);backdrop-filter:blur(12px);border-bottom:1px solid #eae2d3}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:70px}
.brand{display:inline-flex;align-items:center;background:#fff;border:1px solid #e9e2d4;border-radius:12px;padding:6px 12px;text-decoration:none;transition:box-shadow .2s,transform .2s}
.brand:hover{box-shadow:0 6px 16px rgba(28,32,48,.1);transform:translateY(-1px)}
.brand .ai-page-logo{display:block;max-height:34px;width:auto}
.nav{flex:1;display:flex;justify-content:center}
.nav-links{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 11px;font-size:14.5px;font-weight:500;color:#2c3244;text-decoration:none;border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.nav-links a:hover{color:#e0421f;background:rgba(255,107,74,.12)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1.5px solid #1c2030;border-radius:12px;background:#fff;cursor:pointer;padding:0;position:relative}
.nav-toggle span{position:absolute;left:11px;width:18px;height:2px;background:#1c2030;border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:transform .18s,box-shadow .18s,background .18s}
.btn-primary{background:#ff6b4a;color:#fff;border-color:#e8502f;box-shadow:0 6px 0 #d1421f}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 0 #d1421f}
.btn-primary:active{transform:translateY(3px);box-shadow:0 2px 0 #d1421f}
.btn-ghost{background:#fff;color:#1c2030;border-color:#1c2030;box-shadow:0 6px 0 rgba(28,32,48,.14)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:0 8px 0 rgba(28,32,48,.14);background:#fdfaf4}
.btn-ghost:active{transform:translateY(3px);box-shadow:0 2px 0 rgba(28,32,48,.14)}
.btn-sm{padding:10px 18px;font-size:14px;box-shadow:0 4px 0 #d1421f}
.btn-sm:hover{box-shadow:0 6px 0 #d1421f}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 70px}
.hero .doodle{position:absolute;pointer-events:none;z-index:0}
.doodle-1{width:230px;height:230px;border:2px dashed rgba(255,107,74,.42);border-radius:50%;top:-78px;right:-56px;animation:spinSlow 46s linear infinite}
.doodle-2{width:150px;height:150px;background:radial-gradient(circle,rgba(91,91,214,.18),transparent 68%);border-radius:50%;bottom:24px;left:-58px}
.doodle-3{width:84px;height:84px;border:2px solid rgba(20,184,166,.42);border-radius:20px;transform:rotate(20deg);bottom:96px;right:16%;animation:floatY 7.5s ease-in-out infinite}
.doodle-4{width:56px;height:56px;border:2px solid rgba(255,176,32,.55);border-radius:50%;top:84px;left:6%;animation:floatY 5.5s ease-in-out infinite}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;background:rgba(91,91,214,.1);color:#403cb5;font-size:13.5px;font-weight:700;border:1px dashed rgba(91,91,214,.42)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:#5b5bd6}
.hero h1{font-size:clamp(30px,4.3vw,50px);line-height:1.22;margin:20px 0 18px;letter-spacing:-.6px}
.hero h1 .hl{background:linear-gradient(180deg,transparent 62%,#ffd98a 62%);padding:0 4px;border-radius:4px}
.hero-lead{font-size:16.5px;color:#4a5163;max-width:56ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;color:#3a4152;font-weight:500}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:8px;height:8px;border-radius:50%;background:#14b8a6;flex:none}
.hero-panel{position:relative;background:#fff;border:2px solid #1c2030;border-radius:28px;padding:20px;box-shadow:12px 12px 0 rgba(255,107,74,.18)}
.hero-panel::after{content:"";position:absolute;top:-14px;right:26px;width:64px;height:26px;background:rgba(255,176,32,.55);border-radius:6px;transform:rotate(4deg)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat{background:#fdfaf4;border:1px solid #ece5d7;border-radius:16px;padding:16px 16px 14px;transition:transform .22s,box-shadow .22s}
.stat:hover{transform:translateY(-3px);box-shadow:0 12px 22px rgba(28,32,48,.08)}
.stat b{display:block;font-size:27px;font-weight:800;line-height:1.15;letter-spacing:-.5px}
.stat span{display:block;margin-top:4px;font-size:13px;color:#5b6274}
.stat:nth-child(1) b{color:#e8502f}
.stat:nth-child(2) b{color:#5b5bd6}
.stat:nth-child(3) b{color:#0f9d8a}
.stat:nth-child(4) b{color:#c98b06}
.hero-badge{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#1c2030;color:#fff;border-radius:16px;padding:12px 18px;font-size:13.5px;font-weight:600}
.hero-badge em{font-style:normal;color:#ffd98a}

/* ---------- 通用区块 ---------- */
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,.34));border-top:1px solid #eee7d9;border-bottom:1px solid #eee7d9}
.section-head{max-width:780px;margin:0 auto 44px;text-align:center}
.section-head h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.4px}
.section-head h2::after{content:"";display:block;width:64px;height:5px;margin:14px auto 0;border-radius:99px;background:linear-gradient(90deg,#ff6b4a,#ffb020)}
.section-head p{margin-top:14px;color:#5b6274;font-size:15.5px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid #e9e2d4;border-radius:20px;padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(28,32,48,.09);border-color:#d8ccb4}
.card h3{font-size:17.5px;margin-bottom:9px}
.card p{font-size:14.5px;color:#525a6b}

/* ---------- 关于我们 ---------- */
.about-lead{max-width:860px;margin:0 auto 40px;text-align:center;color:#454c5e;font-size:16px}
.about-lead strong{color:#1c2030}
.hl-card{position:relative;overflow:hidden}
.hl-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,#ff6b4a,#ffb020,#14b8a6,#5b5bd6);opacity:.85}
.hl-card h3{display:flex;align-items:center;gap:10px;font-size:16.5px}
.dot{width:10px;height:10px;border-radius:50%;flex:none;background:#ff6b4a}
.hl-card:nth-child(2) .dot{background:#5b5bd6}
.hl-card:nth-child(3) .dot{background:#14b8a6}
.hl-card:nth-child(4) .dot{background:#ffb020}
.hl-card:nth-child(5) .dot{background:#ec4899}
.hl-card:nth-child(6) .dot{background:#0ea5e9}

/* ---------- 服务卡片 ---------- */
.svc-card{--accent:#ff6b4a;position:relative;background:#fff;border:1px solid #e9e2d4;border-radius:20px;padding:24px 22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(28,32,48,.1);border-color:#d8ccb4}
.svc-card:nth-child(6n+1){--accent:#ff6b4a}
.svc-card:nth-child(6n+2){--accent:#5b5bd6}
.svc-card:nth-child(6n+3){--accent:#14b8a6}
.svc-card:nth-child(6n+4){--accent:#ffb020}
.svc-card:nth-child(6n+5){--accent:#ec4899}
.svc-card:nth-child(6n+6){--accent:#0ea5e9}
.svc-card .svc-mark{width:36px;height:36px;border-radius:12px;background:var(--accent);opacity:.9;margin-bottom:14px;position:relative}
.svc-card .svc-mark::after{content:"";position:absolute;inset:9px;border:2px solid #fff;border-radius:6px;opacity:.9}
.svc-card h3{font-size:17px;margin-bottom:8px}
.svc-card p{font-size:14px;color:#525a6b}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:34px}
.tag{display:inline-block;padding:7px 15px;border-radius:999px;background:#fff;border:1px dashed #d9cfba;font-size:13.5px;color:#464d5f;transition:background .2s,color .2s,border-color .2s,transform .2s}
.tag:hover{background:#1c2030;color:#fff;border-color:#1c2030;transform:translateY(-2px)}
.model-strip{margin-top:38px;padding:24px;border-radius:20px;background:#fff;border:1px solid #e9e2d4}
.model-strip h3{font-size:15px;color:#2c3244;margin-bottom:14px}
.model-list{display:flex;flex-wrap:wrap;gap:8px}
.model-list span{display:inline-block;padding:5px 12px;border-radius:8px;background:#fdfaf4;border:1px solid #eee7d9;font-size:13px;color:#4a5163}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.flow-step{background:#fff;border:1px solid #e9e2d4;border-radius:18px;padding:22px 18px;transition:transform .22s,box-shadow .22s}
.flow-step:hover{transform:translateY(-4px);box-shadow:0 16px 28px rgba(28,32,48,.09)}
.flow-step .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#1c2030;color:#fff;font-size:13.5px;font-weight:700;margin-bottom:14px}
.flow-step:nth-child(2) .num{background:#e8502f}
.flow-step:nth-child(3) .num{background:#5b5bd6}
.flow-step:nth-child(4) .num{background:#0f9d8a}
.flow-step:nth-child(5) .num{background:#c98b06}
.flow-step h3{font-size:15.5px;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:#5b6274}

/* ---------- 行业方案 ---------- */
.solution{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid #e9e2d4;border-radius:18px;padding:22px;transition:transform .22s,box-shadow .22s,border-color .22s}
.solution:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(28,32,48,.09);border-color:#d8ccb4}
.solution .bar{width:6px;border-radius:99px;align-self:stretch;background:#ff6b4a;flex:none}
.solution:nth-child(2) .bar{background:#5b5bd6}
.solution:nth-child(3) .bar{background:#14b8a6}
.solution:nth-child(4) .bar{background:#ffb020}
.solution:nth-child(5) .bar{background:#ec4899}
.solution:nth-child(6) .bar{background:#0ea5e9}
.solution h3{font-size:16.5px;margin-bottom:7px}
.solution p{font-size:14px;color:#525a6b}

/* ---------- 服务网络 ---------- */
.network{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.network-item{background:#fff;border:1px solid #e9e2d4;border-radius:16px;padding:18px 20px;border-left:4px solid #ff6b4a;transition:transform .22s,box-shadow .22s}
.network-item:hover{transform:translateY(-3px);box-shadow:0 14px 26px rgba(28,32,48,.08)}
.network-item:nth-child(2){border-left-color:#5b5bd6}
.network-item:nth-child(3){border-left-color:#14b8a6}
.network-item:nth-child(4){border-left-color:#ffb020}
.network-item:nth-child(5){border-left-color:#ec4899}
.network-item:nth-child(6){border-left-color:#0ea5e9}
.network-item h3{font-size:15.5px;margin-bottom:6px}
.network-item p{font-size:13.5px;color:#5b6274}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.case-item{position:relative;background:#fff;border:1px solid #e9e2d4;border-radius:18px;padding:12px;display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.case-item:hover{transform:translateY(-5px);box-shadow:0 20px 34px rgba(28,32,48,.12);border-color:#d8ccb4}
.case-item img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;border-radius:10px}

/* ---------- 对比评测 ---------- */
.compare-wrap{display:grid;grid-template-columns:320px 1fr;gap:26px;align-items:start}
.score-card{background:#1c2030;color:#fff;border-radius:24px;padding:30px 26px;position:relative;overflow:hidden}
.score-card::after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;background:rgba(255,107,74,.22);bottom:-70px;right:-60px}
.score-card .score-label{font-size:13.5px;color:#b9c0cf;font-weight:600}
.score-card .score-num{font-size:58px;font-weight:800;line-height:1.05;margin:8px 0 6px;letter-spacing:-2px;color:#ffb020}
.score-card .score-num small{font-size:20px;color:#8d95a6;font-weight:700;letter-spacing:0}
.stars{display:inline-block;color:#ffb020;font-size:19px;letter-spacing:3px;margin-bottom:12px}
.score-card .score-desc{font-size:14px;color:#c9cfdb;position:relative;z-index:1}
.score-card .score-tag{display:inline-block;margin-top:18px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);font-size:13px;font-weight:600;color:#fff;position:relative;z-index:1}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #e9e2d4;border-radius:18px}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
thead th{background:#fbf6ec;font-weight:700;color:#1c2030;text-align:left;padding:14px 16px;border-bottom:1px solid #eee7d9;white-space:nowrap}
tbody td{padding:14px 16px;border-bottom:1px solid #f2ecdf;color:#4a5163;vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fdfaf4}
tbody td:first-child{font-weight:600;color:#1c2030;white-space:nowrap}
td.ours{color:#0b8a78;font-weight:700}

/* ---------- Token 比价 ---------- */
.note{margin-top:18px;font-size:13.5px;color:#6b7280;text-align:center}
.note a{color:#e0421f;font-weight:600;text-decoration:none;border-bottom:1px dashed #e0421f}
.note a:hover{color:#b8310f;border-bottom-style:solid}

/* ---------- 表单 ---------- */
.form-card{max-width:820px;margin:0 auto;background:#fff;border:2px solid #1c2030;border-radius:26px;padding:34px;box-shadow:12px 12px 0 rgba(91,91,214,.14)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:#2c3244}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid #e3dccd;border-radius:12px;font-size:15px;font-family:inherit;color:#1c2030;background:#fdfaf4;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#ff6b4a;background:#fff;box-shadow:0 0 0 4px rgba(255,107,74,.13)}
.field textarea{min-height:120px;resize:vertical;line-height:1.6}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.form-actions .tip{font-size:13px;color:#6b7280}

/* ---------- 评论 ---------- */
.review{--accent:#ff6b4a;background:#fff;border:1px solid #e9e2d4;border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:transform .22s,box-shadow .22s,border-color .22s}
.review:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(28,32,48,.09);border-color:#d8ccb4}
.review:nth-child(2){--accent:#5b5bd6}
.review:nth-child(3){--accent:#14b8a6}
.review:nth-child(4){--accent:#ffb020}
.review:nth-child(5){--accent:#ec4899}
.review:nth-child(6){--accent:#0ea5e9}
.review-text{font-size:14.5px;color:#3c4356;flex:1}
.review-user{display:flex;align-items:center;gap:11px}
.review-avatar{width:38px;height:38px;border-radius:50%;background:var(--accent);flex:none;opacity:.9;position:relative}
.review-avatar::after{content:"";position:absolute;left:11px;top:12px;width:16px;height:14px;border:2px solid #fff;border-radius:50% 50% 45% 45%;opacity:.85}
.review-user strong{display:block;font-size:14.5px;color:#1c2030}
.review-user span{display:block;font-size:13px;color:#6b7280}

/* ---------- 帮助与资讯 ---------- */
.help-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
.help-list{display:flex;flex-direction:column;gap:12px}
.help-link{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid #e9e2d4;border-radius:14px;padding:15px 18px;text-decoration:none;font-size:14.5px;font-weight:600;color:#2c3244;transition:transform .2s,border-color .2s,box-shadow .2s}
.help-link:hover{transform:translateX(4px);border-color:#ff6b4a;box-shadow:0 10px 20px rgba(28,32,48,.08)}
.help-link .arrow{color:#ff6b4a;font-weight:800}
.article-feed{background:#fff;border:1px solid #e9e2d4;border-radius:18px;padding:24px;color:#4a5163;font-size:14.5px;min-height:140px}
.article-feed a{color:#e0421f;text-decoration:none;font-weight:600}
.article-feed a:hover{text-decoration:underline}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid #e9e2d4;border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#ff6b4a;box-shadow:0 14px 26px rgba(28,32,48,.08)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:none;font-size:15.5px;font-weight:700;color:#1c2030;text-align:left;cursor:pointer;font-family:inherit;transition:color .2s}
.faq-q:hover{color:#e0421f}
.faq-icon{position:relative;flex:none;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#e0421f;border-radius:2px;transition:transform .25s}
.faq-icon::before{width:14px;height:2px;top:10px;left:4px}
.faq-icon::after{width:2px;height:14px;top:4px;left:10px}
.faq-item.open .faq-icon::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 18px;font-size:14.5px;color:#525a6b}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}
.contact-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-row{background:#fff;border:1px solid #e9e2d4;border-radius:14px;padding:15px 18px}
.contact-row span{display:block;font-size:12.5px;color:#7a8296;margin-bottom:4px}
.contact-row strong{font-size:14.5px;color:#1c2030;font-weight:700;word-break:break-all}
.contact-row a{color:#e0421f;text-decoration:none}
.contact-row a:hover{text-decoration:underline}
.qr-card{background:#fff;border:2px dashed #d9cfba;border-radius:20px;padding:20px;text-align:center}
.qr-card .qr-box{display:flex;align-items:center;justify-content:center;padding:10px;border-radius:14px;background:#fdfaf4}
.qr-card img{display:block;max-width:190px;width:100%;height:auto;border-radius:10px}
.qr-card p{margin-top:12px;font-size:13.5px;color:#5b6274}
.join-panel{margin-top:24px;background:linear-gradient(120deg,#1c2030,#2c3244);color:#fff;border-radius:24px;padding:34px;display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;position:relative;overflow:hidden}
.join-panel::after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,107,74,.24);bottom:-110px;right:12%}
.join-panel h3{font-size:22px;margin-bottom:10px;position:relative;z-index:1}
.join-panel p{font-size:14.5px;color:#ccd2de;position:relative;z-index:1}
.join-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.join-actions .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:#f4eee1;border-top:1px solid #e3dac6;color:#39404f;padding:46px 0 22px}
.footer-top{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;padding-bottom:26px;border-bottom:1px solid #e3dac6}
.footer-brand{display:inline-flex;align-items:center;background:#fff;border:1px solid #e3dac6;border-radius:12px;padding:6px 12px;margin-bottom:14px}
.footer-brand img{display:block;max-height:32px;width:auto}
.footer-about{font-size:14px;color:#525a6b;max-width:46ch}
.footer-links-title{font-size:14.5px;font-weight:800;color:#1c2030;margin-bottom:12px}
.footer-links{display:flex;flex-wrap:wrap;gap:10px}
.footer-links a{display:inline-block;padding:6px 13px;border-radius:999px;background:#fff;border:1px solid #e3dac6;font-size:13px;color:#3a4152;text-decoration:none;transition:background .2s,color .2s,border-color .2s,transform .2s}
.footer-links a:hover{background:#1c2030;color:#fff;border-color:#1c2030;transform:translateY(-2px)}
.footer-bottom{padding-top:18px;font-size:13px;color:#6b7280;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;align-items:center}
.footer-bottom a{color:#e0421f;text-decoration:none;font-weight:600}
.footer-bottom a:hover{text-decoration:underline}

/* ---------- 浮动入口 ---------- */
.float-dock{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dock-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:999px;font-size:14px;font-weight:700;text-decoration:none;border:1.5px solid #1c2030;background:#fff;color:#1c2030;cursor:pointer;font-family:inherit;box-shadow:0 4px 0 rgba(28,32,48,.16);transition:transform .2s,box-shadow .2s,opacity .25s}
.dock-btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 rgba(28,32,48,.16)}
.dock-kefu{background:#ff6b4a;color:#fff;border-color:#d1421f;box-shadow:0 4px 0 #d1421f}
.dock-kefu:hover{box-shadow:0 6px 0 #d1421f}
.dock-top{opacity:0;pointer-events:none}
.dock-top.show{opacity:1;pointer-events:auto}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@keyframes spinSlow{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes floatY{0%,100%{transform:translateY(0) rotate(20deg)}50%{transform:translateY(-14px) rotate(20deg)}}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-links a{padding:8px 8px;font-size:14px}
}
@media (max-width:980px){
  .nav{position:absolute;top:70px;left:0;right:0;flex:0 0 auto;display:none;background:#fffdf8;border-bottom:1px solid #eae2d3;box-shadow:0 20px 32px rgba(28,32,48,.1);padding:8px 22px 16px}
  .nav.open{display:block}
  .nav-links{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
  .nav-links a{padding:13px 4px;border-bottom:1px dashed #ece5d7;border-radius:0;font-size:15px}
  .nav-links li:last-child a{border-bottom:none}
  .nav-toggle{display:block}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero{padding:48px 0 56px}
  .doodle-1{width:160px;height:160px;top:-60px;right:-60px}
  .doodle-3{right:6%;bottom:20px;width:64px;height:64px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .network{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .join-panel{grid-template-columns:1fr;padding:28px}
  .help-wrap{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:24px}
}
@media (max-width:680px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .network{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat b{font-size:23px}
  .form-card{padding:24px}
  .form-grid{grid-template-columns:1fr}
  .contact-list{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .float-dock{right:12px;bottom:14px}
  .dock-btn{padding:10px 15px;font-size:13.5px}
  .footer-bottom{justify-content:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}