:root{--purple:#8e6bbf;--green:#4fa78a;--blue:#5a8fd4;--gold:#d9a441;
--ink:#1f2430;--muted:#5b6472;--bg:#f6f7fb;--card:#ffffff;--line:#e6e9f0;--accent:#4f46e5;
--shadow:0 1px 2px rgba(23,30,54,.05),0 8px 24px rgba(23,30,54,.06);
--shadow-lg:0 6px 16px rgba(23,30,54,.10),0 20px 44px rgba(23,30,54,.12)}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",sans-serif;
color:var(--ink);background:var(--bg);line-height:1.9;font-size:16px;letter-spacing:.02em;
-webkit-font-smoothing:antialiased}
/* ===== 超链接美化：细线下划线 + 偏移，按钮/卡片不带线 ===== */
a{color:var(--accent);
text-decoration:underline;text-decoration-thickness:1px;
text-decoration-color:rgba(79,70,229,.30);text-underline-offset:3px;
transition:color .18s ease,text-decoration-color .18s ease}
a:hover{color:#3b34c4;text-decoration-color:rgba(59,52,196,.85)}
.btn,.card,.type-card,.logo,.nav ul a,.breadcrumb a,footer.site a,.ticon{text-decoration:none}
.btn:hover,.card:hover,.type-card:hover{text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;flex-wrap:wrap}
.logo{font-weight:800;font-size:19px;color:var(--ink)}
.logo span{background:linear-gradient(90deg,var(--accent),#8e6bbf);
-webkit-background-clip:text;background-clip:text;color:transparent}
.nav ul{display:flex;gap:24px;list-style:none;flex-wrap:wrap}
.nav ul a{color:var(--muted);font-size:15px;padding:4px 2px;border-bottom:2px solid transparent}
.nav ul a:hover,.nav ul a.on{color:var(--accent);border-bottom-color:var(--accent)}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;text-align:center;padding:76px 0 64px;
background:linear-gradient(160deg,#eef0ff 0%,#e9f6f1 55%,#fdf3e3 100%)}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.5}
.hero:before{width:300px;height:300px;left:-90px;top:-110px;
background:radial-gradient(circle at 35% 35%,#c9c2ff,transparent 70%)}
.hero:after{width:380px;height:380px;right:-120px;bottom:-160px;
background:radial-gradient(circle at 60% 40%,#bfe8d9,transparent 70%)}
.hero .container{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
color:var(--accent);background:rgba(79,70,229,.10);border:1px solid rgba(79,70,229,.22);
border-radius:30px;padding:6px 16px;margin-bottom:18px}
.hero h1{font-size:34px;line-height:1.45;margin-bottom:16px;
background:linear-gradient(100deg,#1f2430 20%,#4f46e5 80%);
-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);max-width:660px;margin:0 auto 26px;line-height:2.0}
/* ===== 按钮 ===== */
.btn{display:inline-block;padding:13px 32px;border-radius:10px;font-size:16px;font-weight:600;
transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn-primary{background:linear-gradient(135deg,#5b52f0,#4f46e5 55%,#7c3aed);color:#fff;
box-shadow:0 8px 20px rgba(79,70,229,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(79,70,229,.42);color:#fff}
.btn-ghost{border:1.5px solid rgba(79,70,229,.55);color:var(--accent);margin-left:12px;background:rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;transform:translateY(-2px);color:var(--accent)}
/* ===== 区块标题 ===== */
section{padding:54px 0}
h2.sec{font-size:27px;text-align:center;margin-bottom:8px}
h2.sec:after{content:"";display:block;width:44px;height:4px;border-radius:2px;
margin:12px auto 0;background:linear-gradient(90deg,var(--accent),#8e6bbf)}
p.sec-sub{text-align:center;color:var(--muted);margin-bottom:34px;line-height:1.9}
/* ===== 卡片 ===== */
.grid{display:grid;gap:20px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px;
box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(79,70,229,.35)}
.card h3{font-size:17px;margin:6px 0 8px;line-height:1.6}
.card p{color:var(--muted);font-size:14px;line-height:1.85}
.card .code{font-weight:800;font-size:20px;letter-spacing:2px}
/* 图标徽章 */
.ticon{width:50px;height:50px;border-radius:15px;display:inline-flex;align-items:center;
justify-content:center;color:#fff;margin-bottom:12px;box-shadow:0 6px 14px rgba(23,30,54,.16)}
.ticon svg{display:block}
.type-card{text-align:center;display:block;color:var(--ink);padding:28px 16px}
.type-card .code{display:block}
.type-card h3{margin:2px 0 6px}
.badge{display:inline-block;font-size:12px;font-weight:600;color:#fff;border-radius:6px;padding:3px 10px;margin-bottom:10px}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.pill{font-size:12px;background:#eef0f7;color:var(--muted);border-radius:20px;padding:3px 11px;transition:all .15s;text-decoration:none}
.pill:hover{background:rgba(79,70,229,.12);color:var(--accent)}
/* 测评路径卡 */
.plan{padding:30px 26px;border:1.5px solid var(--line);position:relative}
.plan.hot{border-color:var(--accent);box-shadow:0 10px 30px rgba(79,70,229,.15)}
.plan .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
background:linear-gradient(90deg,#5b52f0,#7c3aed);color:#fff;font-size:12px;font-weight:600;
padding:3px 14px;border-radius:12px;box-shadow:0 4px 10px rgba(79,70,229,.35)}
.plan .picon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#eef0ff,#e6e4ff);
color:var(--accent);display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.plan h3{font-size:18px}
.plan .meta{color:var(--accent);font-weight:600;font-size:13.5px;margin-bottom:10px}
.plan ul{list-style:none;margin:14px 0 20px}
.plan ul li{font-size:14px;color:var(--muted);padding:6px 0;border-bottom:1px dashed var(--line);line-height:1.8}
.plan ul li:before{content:"✓ ";color:var(--green);font-weight:700}
/* ===== 正文 ===== */
.prose{background:#fff;border:1px solid var(--line);border-radius:18px;padding:42px 44px;box-shadow:var(--shadow)}
.prose h1{font-size:26px;line-height:1.6;margin-bottom:6px}
.prose h2{font-size:21px;margin:34px 0 14px;position:relative;padding-left:15px;line-height:1.65}
.prose h2:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;
background:linear-gradient(180deg,var(--accent),#8e6bbf)}
.prose p{margin-bottom:16px;color:#2a3140;line-height:2.0}
.prose ul,.prose ol{margin:0 0 16px 24px;color:#2a3140;line-height:2.0}
.prose li{margin-bottom:8px}
.prose > :last-child{margin-bottom:0}
.meta-bar{color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);
padding-bottom:16px;margin-bottom:24px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.meta-bar b{color:var(--ink)}
.byline{background:#f4f6fc;border:1px solid #e6e9f5;border-radius:12px;
padding:18px 20px;font-size:13px;color:var(--muted);line-height:2.0;margin:28px 0}
/* 类型页顶部横幅 */
.type-hero{border-radius:18px;padding:34px 38px;margin-bottom:26px;color:#fff;
display:flex;align-items:center;gap:26px;position:relative;overflow:hidden}
.type-hero:before{content:"";position:absolute;width:220px;height:220px;right:-60px;top:-90px;
border-radius:50%;background:rgba(255,255,255,.14)}
.type-hero .th-icon{width:74px;height:74px;border-radius:20px;background:rgba(255,255,255,.18);
display:flex;align-items:center;justify-content:center;flex-shrink:0}
.type-hero h1{font-size:26px;color:#fff;line-height:1.5;margin:0;
-webkit-text-fill-color:#fff;background:none}
.type-hero .th-sub{opacity:.92;font-size:14px}
/* ===== FAQ ===== */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;
padding:16px 22px;margin-bottom:12px;box-shadow:var(--shadow);transition:border-color .2s}
.faq details:hover,.faq details[open]{border-color:rgba(79,70,229,.4)}
.faq summary{font-weight:600;cursor:pointer;line-height:1.8}
.faq details p{color:var(--muted);margin-top:10px;font-size:15px;line-height:2.0}
.refs{font-size:13px;color:var(--muted)}
.refs ol{margin-left:20px}
/* ===== CTA ===== */
.cta-box{background:linear-gradient(130deg,#232842,#3a3f6b 60%,#4a3f85);color:#fff;
border-radius:20px;text-align:center;padding:50px 28px;position:relative;overflow:hidden;
margin:10px 0 6px}
.cta-box:before{content:"";position:absolute;width:260px;height:260px;left:-80px;top:-100px;
border-radius:50%;background:rgba(255,255,255,.08)}
.cta-box:after{content:"";position:absolute;width:200px;height:200px;right:-60px;bottom:-90px;
border-radius:50%;background:rgba(142,107,191,.25)}
.cta-box h2{margin:0 0 10px;position:relative;z-index:1;font-size:24px;
padding-left:0;line-height:1.5}
.cta-box h2:before{display:none}
.cta-box p{color:#fff;opacity:.92;margin:0 auto 24px;position:relative;z-index:1;
line-height:2.0;max-width:600px}
.cta-box .btn{position:relative;z-index:1;color:#fff;text-decoration:none}
/* ===== 表格 ===== */
table.cmp{width:100%;border-collapse:collapse;background:#fff;font-size:14px;
border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
table.cmp th,table.cmp td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;line-height:1.8}
table.cmp tr:last-child td{border-bottom:none}
table.cmp th{background:#f0f2f8;font-weight:600}
/* ===== 页脚 ===== */
footer.site{background:#1f2430;color:#aeb6c4;padding:46px 0 26px;margin-top:48px;font-size:14px}
footer.site a{color:#cdd4e0;text-decoration:none;transition:color .15s}
footer.site a:hover{color:#fff}
footer.site .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:30px}
footer.site h4{color:#fff;font-size:15px;margin-bottom:12px;position:relative;padding-left:12px}
footer.site h4:before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;
border-radius:2px;background:linear-gradient(180deg,var(--accent),#8e6bbf)}
footer.site ul{list-style:none}
footer.site li{margin-bottom:7px;line-height:1.8}
footer.site .copy{border-top:1px solid #3a4152;padding-top:20px;text-align:center;font-size:12px;line-height:2.0}
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0 0;line-height:1.9}
@media(max-width:860px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}
.g2{grid-template-columns:1fr}.prose{padding:28px 22px}
footer.site .cols{grid-template-columns:repeat(2,1fr)}
.hero h1{font-size:25px}.hero{padding:56px 0 46px}.nav ul{gap:14px}
.type-hero{flex-direction:column;text-align:center;padding:28px 20px}
.type-hero h1{font-size:21px}}