/* roulang page: index */
:root{
  --brand:#6d3bff;
  --brand-deep:#4a1fd6;
  --brand-2:#ff5a3c;
  --accent:#12d1a8;
  --ink:#101528;
  --ink-2:#2b3350;
  --muted:#5f6884;
  --line:#e5e8f3;
  --bg:#f6f7fc;
  --card:#ffffff;
  --dark:#0d1226;
  --dark-2:#171f3f;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:20px;
  --radius-lg:28px;
  --shadow-sm:0 2px 10px rgba(16,21,40,.06);
  --shadow:0 16px 44px rgba(16,21,40,.10);
  --shadow-lg:0 30px 80px rgba(16,21,40,.20);
  --grad:linear-gradient(120deg,#6d3bff 0%,#9a3bff 48%,#ff5a3c 100%);
  --grad-soft:linear-gradient(140deg,#f1eeff 0%,#fff2ed 100%);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(109,59,255,.42);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(90deg,#141a35 0%,#2a1a54 55%,#3d1c46 100%);color:#e9eaff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:12px;height:40px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,209,168,.22);flex:none;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.topbar-tag{margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:2px 12px;font-size:12px;white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 20px rgba(109,59,255,.35)}
.logo-name{letter-spacing:.02em}
.nav-collapse{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{display:block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{background:#f0edff;color:var(--brand-deep)}
.nav-links a.active{background:linear-gradient(120deg,rgba(109,59,255,.14),rgba(255,90,60,.14));color:var(--brand-deep)}
.nav-search{display:flex;align-items:center;gap:8px;background:#f2f3fa;border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--muted)}
.nav-search i{font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.nav-search input::placeholder{color:#9aa1bd}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;font-weight:700;font-size:15px;padding:12px 24px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(109,59,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(109,59,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(109,59,255,.32)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1c2449;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-link{background:none;color:var(--brand-deep);padding:6px 0;font-weight:700}
.btn-link:hover{color:var(--brand-2)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 通用板块 ---------- */
main{display:block}
.section{padding:76px 0}
.section.tight{padding:58px 0}
.section.dark{background:var(--dark);color:#eef0ff}
.section.soft{background:linear-gradient(180deg,#fbfbff 0%,#f2f3fb 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);background:rgba(109,59,255,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.section.dark .eyebrow{color:#fff;background:rgba(255,255,255,.14)}
.section-title{font-size:34px;margin-bottom:14px}
.section-title.sm{font-size:27px}
.section-desc{color:var(--muted);font-size:16px}
.section.dark .section-desc{color:#b9c0e4}
.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-6{grid-template-columns:repeat(3,1fr)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 78px;overflow:hidden;background:
  radial-gradient(900px 420px at 12% -10%,rgba(109,59,255,.16),transparent 62%),
  radial-gradient(760px 380px at 96% 8%,rgba(255,90,60,.14),transparent 60%),
  linear-gradient(180deg,#ffffff 0%,#f7f7ff 100%)}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:52px;align-items:center}
.hero-title{font-size:46px;line-height:1.22;margin-bottom:18px}
.hero-sub{font-size:19px;font-weight:700;color:var(--brand-deep);margin-bottom:16px}
.hero-lead{color:var(--ink-2);font-size:16px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.kpi-row{display:flex;flex-wrap:wrap;gap:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 18px;box-shadow:var(--shadow-sm);min-width:130px}
.kpi strong{display:block;font-size:20px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative;transform:rotate(-1.6deg)}
.stage-card{position:relative;border-radius:var(--radius-lg);padding:30px;background:linear-gradient(150deg,#181f45 0%,#2a1c55 55%,#4a1f47 100%);color:#eef0ff;box-shadow:var(--shadow-lg);overflow:hidden}
.stage-grid{position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.07) 0 1px,transparent 1px 42px),repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 42px);pointer-events:none}
.stage-head{display:flex;align-items:center;justify-content:space-between;gap:12px;position:relative;margin-bottom:22px}
.stage-tag{font-size:13px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 14px}
.stage-status{font-size:12px;color:#0d1226;background:var(--accent);border-radius:999px;padding:4px 12px;font-weight:700}
.stage-title{font-size:30px;position:relative;margin-bottom:12px}
.stage-desc{position:relative;color:#bfc5ea;font-size:15px;margin-bottom:24px;max-width:420px}
.stage-list{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stage-list li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-xs);padding:12px 10px;font-size:13px;color:#d6daf6;text-align:center}
.stage-list li span{display:block;font-size:20px;font-weight:800;color:#fff;margin-bottom:2px}
.float-card{position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:12px 16px}
.float-card strong{display:block;font-size:19px;color:var(--brand-deep)}
.float-card span{font-size:12px;color:var(--muted)}
.float-a{left:-18px;bottom:36px}
.float-b{right:-10px;top:-18px}

/* ---------- 卡片体系 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(109,59,255,.35)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--grad-soft);color:var(--brand-deep);font-weight:800;font-size:15px;margin-bottom:16px}
.card-icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(140deg,rgba(109,59,255,.14),rgba(255,90,60,.14));color:var(--brand-deep);font-size:18px;margin-bottom:16px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px;background:rgba(109,59,255,.1);color:var(--brand-deep)}
.badge.accent{background:rgba(18,209,168,.14);color:#0a8f75}
.badge.warn{background:rgba(255,90,60,.13);color:#c8391f}
.section.dark .card{background:var(--dark-2);border-color:rgba(255,255,255,.1);color:#e8ebff}
.section.dark .card p{color:#aeb5dc}
.section.dark .card h3{color:#fff}

/* ---------- 痛点 / 方案 ---------- */
.pain-card{border-left:4px solid var(--brand-2)}
.plan-card{background:linear-gradient(160deg,#ffffff 0%,#f6f4ff 100%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);height:100%}
.plan-card h3{font-size:21px;margin:14px 0 12px}
.plan-card ul{margin-top:16px}
.plan-card ul li{font-size:14px;color:var(--ink-2);padding-left:20px;position:relative;margin-bottom:8px}
.plan-card ul li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm)}
.step::after{content:"";position:absolute;right:-14px;top:44px;width:22px;height:2px;background:var(--line)}
.step:last-child::after{display:none}
.step-day{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--brand-2);text-transform:uppercase;margin-bottom:10px;display:block}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- 场景 ---------- */
.scene{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:.22s ease}
.scene:hover{transform:translateY(-4px);border-color:rgba(109,59,255,.35);box-shadow:var(--shadow)}
.scene-icon{width:42px;height:42px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;flex:none}
.scene h3{font-size:16px;margin-bottom:6px}
.scene p{font-size:14px;color:var(--muted)}

/* ---------- 频道入口 ---------- */
.channel{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);height:100%;transition:.22s ease;position:relative;overflow:hidden}
.channel::after{content:"";position:absolute;right:-40px;bottom:-40px;width:130px;height:130px;border-radius:50%;background:var(--grad-soft);opacity:.9}
.channel:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(109,59,255,.4)}
.channel h3{font-size:20px;margin:14px 0 10px;position:relative}
.channel p{color:var(--muted);font-size:15px;position:relative}
.channel .more{position:relative;display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--brand-deep);font-weight:700;font-size:15px}
.channel:hover .more{gap:12px}

/* ---------- 横滑爆款清单 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 22px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-thumb{background:#d9dcee;border-radius:999px}
.hit{min-width:288px;max-width:288px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;transition:.22s ease}
.hit:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,90,60,.4)}
.hit-idx{font-size:13px;font-weight:800;color:var(--brand-2);letter-spacing:.1em}
.hit h3{font-size:17px}
.hit p{font-size:14px;color:var(--muted);flex:1}

/* ---------- 数据指标 ---------- */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm)}
.metric strong{display:block;font-size:30px;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:6px}
.metric span{font-size:13px;color:var(--muted)}
.section.dark .metric{background:var(--dark-2);border-color:rgba(255,255,255,.1)}
.section.dark .metric span{color:#aeb5dc}

/* ---------- 口碑 ---------- */
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;gap:16px}
.quote i.fa-quote-left{color:rgba(109,59,255,.35);font-size:22px}
.quote p{color:var(--ink-2);font-size:15px;flex:1}
.quote-author{display:flex;align-items:center;gap:12px;border-top:1px dashed var(--line);padding-top:16px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;flex:none}
.quote-author strong{display:block;font-size:15px}
.quote-author span{font-size:13px;color:var(--muted)}

/* ---------- 资质墙 ---------- */
.trust-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trust{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm)}
.trust i{width:40px;height:40px;border-radius:12px;background:rgba(18,209,168,.14);color:#0a8f75;display:grid;place-items:center;font-size:16px;flex:none}
.trust strong{display:block;font-size:15px}
.trust span{font-size:13px;color:var(--muted)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.tl-item{position:relative;padding:0 0 24px 0}
.tl-item::before{content:"";position:absolute;left:-29px;top:8px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted)}
.tl-time{font-size:12px;font-weight:800;color:var(--brand-deep);letter-spacing:.06em;display:block;margin-bottom:4px}
.stock-bar{display:flex;flex-wrap:wrap;align-items:center;gap:16px;background:#fff;border:1px dashed rgba(255,90,60,.5);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-sm)}
.stock-bar .bar{flex:1;min-width:160px;height:8px;border-radius:999px;background:#f0f1f7;overflow:hidden}
.stock-bar .bar i{display:block;height:100%;width:76%;background:var(--grad)}

/* ---------- 案例 ---------- */
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column}
.case-top{height:130px;background:linear-gradient(140deg,#221a4d,#4a1f47 60%,#7a2a3c);position:relative;display:flex;align-items:flex-end;padding:18px 24px;color:#fff}
.case-top::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 1px,transparent 1px 34px)}
.case-top span{position:relative;font-size:13px;background:rgba(255,255,255,.18);border-radius:999px;padding:4px 12px}
.case-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-body h3{font-size:18px}
.case-body p{font-size:14px;color:var(--muted);flex:1}
.case-data{display:flex;gap:18px;border-top:1px dashed var(--line);padding-top:14px}
.case-data div strong{display:block;font-size:18px;color:var(--brand-deep)}
.case-data div span{font-size:12px;color:var(--muted)}

/* ---------- 资讯 ---------- */
.post{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:.22s ease;height:100%}
.post:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(109,59,255,.35)}
.post-idx{font-size:22px;font-weight:800;color:#e2e4f2;line-height:1;flex:none;width:42px}
.post h3{font-size:16px;margin-bottom:8px}
.post p{font-size:14px;color:var(--muted)}

/* ---------- 资源下载 ---------- */
.res{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:12px;height:100%}
.res i{width:44px;height:44px;border-radius:14px;background:var(--grad-soft);color:var(--brand-deep);display:grid;place-items:center;font-size:17px}
.res h3{font-size:17px}
.res p{font-size:14px;color:var(--muted);flex:1}

/* ---------- 表单 ---------- */
.lead{background:linear-gradient(150deg,#141a35 0%,#251a52 55%,#3a1c46 100%);color:#eef0ff;border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.lead::after{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,60,.38),transparent 68%)}
.lead-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;position:relative}
.lead h2{font-size:30px;margin-bottom:14px}
.lead p.lead-desc{color:#bfc5ea;font-size:15px;margin-bottom:20px}
.lead-points li{display:flex;gap:10px;font-size:14px;color:#cdd2f2;margin-bottom:10px}
.lead-points li i{color:var(--accent);margin-top:5px}
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:700;color:#cfd4f4}
.field input,.field textarea,.field select{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-xs);padding:12px 14px;color:#fff;outline:none;transition:.2s;font-size:14px}
.field input::placeholder,.field textarea::placeholder{color:#8f97c4}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(18,209,168,.22)}
.field textarea{min-height:96px;resize:vertical}
.form-note{grid-column:1 / -1;font-size:13px;color:#9aa2cd}
.lead-form .btn{grid-column:1 / -1;justify-self:start}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1020;color:#a8b0d6;padding:56px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{color:#8b93bd;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#a8b0d6}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:20px;font-size:13px;color:#767ead}
.footer-bottom a{color:#9aa2cd}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-search{display:none}
  .hero-title{font-size:38px}
  .section-title{font-size:29px}
  .metrics{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .trust-wall{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-visual{transform:none}
  .float-a{left:8px;bottom:-16px}
  .float-b{right:8px;top:-16px}
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .nav-collapse{position:absolute;top:100%;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:8px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:16px 24px 22px;display:none}
  .nav-collapse.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch}
  .nav-links a{padding:12px 14px}
  .nav-collapse .btn{width:100%}
  .section{padding:56px 0}
  .hero{padding:44px 0 60px}
  .hero-title{font-size:31px}
  .hero-lead{font-size:15px}
  .stage-title{font-size:24px}
  .stage-list{grid-template-columns:1fr 1fr}
  .grid-3,.grid-2,.grid-4,.grid-6{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .trust-wall{grid-template-columns:1fr}
  .lead{padding:28px}
  .lead-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .topbar-inner{font-size:12px}
  .topbar-tag{display:none}
  .hero-title{font-size:27px}
  .section-title{font-size:24px}
  .metrics{grid-template-columns:1fr}
  .hit{min-width:250px;max-width:250px}
  .kpi{min-width:100%;}
  .float-card{padding:10px 12px}
  .float-card strong{font-size:16px}
}

/* roulang page: category3 */
:root{
 --brand:#6d3bff;
 --brand-deep:#4a1fd6;
 --brand-2:#ff5a3c;
 --accent:#12d1a8;
 --ink:#101528;
 --ink-2:#2b3350;
 --muted:#5f6884;
 --line:#e5e8f3;
 --bg:#f6f7fc;
 --card:#ffffff;
 --dark:#0d1226;
 --dark-2:#171f3f;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:20px;
 --radius-lg:28px;
 --shadow-sm:0 2px 10px rgba(16,21,40,.06);
 --shadow:0 16px 44px rgba(16,21,40,.10);
 --shadow-lg:0 30px 80px rgba(16,21,40,.20);
 --grad:linear-gradient(120deg,#6d3bff 0%,#9a3bff 48%,#ff5a3c 100%);
 --grad-soft:linear-gradient(140deg,#f1eeff 0%,#fff2ed 100%);
 --container:1200px;
 --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(109,59,255,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(90deg,#141a35 0%,#2a1a54 55%,#3d1c46 100%);color:#e9eaff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:12px;height:40px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,209,168,.22);flex:none}
.topbar-tag{margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:2px 12px;font-size:12px;white-space:nowrap}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 20px rgba(109,59,255,.35)}
.logo-name{letter-spacing:.02em}
.nav-collapse{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{display:block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{background:#f0edff;color:var(--brand-deep)}
.nav-links a.active{background:linear-gradient(120deg,rgba(109,59,255,.14),rgba(255,90,60,.14));color:var(--brand-deep)}
.nav-search{display:flex;align-items:center;gap:8px;background:#f2f3fa;border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--muted)}
.nav-search i{font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.nav-search input::placeholder{color:#9aa1bd}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;font-weight:700;font-size:15px;padding:12px 24px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(109,59,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(109,59,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(109,59,255,.32)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1c2449;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-link{background:none;color:var(--brand-deep);padding:6px 0;font-weight:700}
.btn-link:hover{color:var(--brand-2);gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 通用板块 ---------- */
main{display:block}
.section{padding:76px 0}
.section.tight{padding:58px 0}
.section.dark{background:var(--dark);color:#eef0ff}
.section.dark .section-desc{color:#b9c0e4}
.section.soft{background:linear-gradient(180deg,#fbfbff 0%,#f2f3fb 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);background:rgba(109,59,255,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.section.dark .eyebrow{color:#fff;background:rgba(255,255,255,.14)}
.section-title{font-size:34px;line-height:1.3;margin-bottom:14px;letter-spacing:-.01em}
.section-title.sm{font-size:27px}
.section-desc{color:var(--muted);font-size:16px}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 内页首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:60px 0 72px;background:
 radial-gradient(880px 400px at 8% -12%,rgba(109,59,255,.17),transparent 62%),
 radial-gradient(720px 360px at 98% 6%,rgba(255,90,60,.15),transparent 60%),
 linear-gradient(180deg,#ffffff 0%,#f7f7ff 100%)}
.page-hero::after{content:"";position:absolute;right:-160px;bottom:-200px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(18,209,168,.16),transparent 66%);pointer-events:none}
.page-hero-grid{display:grid;grid-template-columns:6.5fr 5.5fr;gap:52px;align-items:center;position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{font-weight:600;color:var(--ink-2)}
.crumb a:hover{color:var(--brand-deep)}
.page-title{font-size:44px;line-height:1.2;letter-spacing:-.015em;margin-bottom:18px}
.page-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-lead{font-size:17px;color:var(--ink-2);margin-bottom:24px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.chip i{color:var(--brand);font-size:12px}

/* 运营面板（HUD） */
.hud{background:linear-gradient(160deg,#131a3a 0%,#1d1746 52%,#2c1436 100%);border-radius:var(--radius-lg);padding:26px;color:#e8eaff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.hud::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 200px at 100% 0%,rgba(109,59,255,.34),transparent 70%);pointer-events:none}
.hud-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;position:relative}
.hud-title{font-size:15px;font-weight:700;letter-spacing:.04em}
.hud-state{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;background:rgba(18,209,168,.16);border:1px solid rgba(18,209,168,.4);color:#8ff0d8;border-radius:999px;padding:4px 12px}
.hud-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;position:relative;margin-bottom:20px}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:14px 16px}
.metric-num{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.2}
.metric-num span{font-size:14px;font-weight:700;color:#a9b0dd;margin-left:2px}
.metric-label{font-size:12.5px;color:#a9b0dd;margin-top:4px}
.hud-bars{display:grid;gap:14px;position:relative}
.bar-row{font-size:12.5px;color:#c3c9ec}
.bar-row .bar-top{display:flex;justify-content:space-between;margin-bottom:6px}
.bar-track{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--grad)}
.bar-fill.alt{background:linear-gradient(90deg,#12d1a8,#4ad6ff)}

/* ---------- 对比面板 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.compare-col{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
.compare-col.problem{background:#fff8f6;border-color:#ffdcd4}
.compare-col.fix{background:linear-gradient(150deg,#f3f0ff 0%,#eefaf7 100%);border-color:#ded6ff}
.compare-col h3{font-size:20px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.compare-col h3 i{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:14px;color:#fff;flex:none}
.compare-col.problem h3 i{background:linear-gradient(130deg,#ff7a5c,#ff5a3c)}
.compare-col.fix h3 i{background:linear-gradient(130deg,#6d3bff,#12d1a8)}
.compare-tip{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed rgba(16,21,40,.1);font-size:15px;color:var(--ink-2)}
.compare-list li:last-child{border-bottom:0}
.compare-list i{margin-top:6px;font-size:12px;flex:none}
.compare-col.problem .compare-list i{color:var(--brand-2)}
.compare-col.fix .compare-list i{color:var(--accent)}

/* ---------- 服务卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d9d0ff}
.card-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:18px;margin-bottom:16px;background:var(--grad);box-shadow:0 10px 22px rgba(109,59,255,.26)}
.card-icon.alt{background:linear-gradient(130deg,#12d1a8,#4ad6ff);box-shadow:0 10px 22px rgba(18,209,168,.28)}
.card-icon.warm{background:linear-gradient(130deg,#ff8a5c,#ff5a3c);box-shadow:0 10px 22px rgba(255,90,60,.26)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12.5px;font-weight:700;color:var(--brand-deep);background:rgba(109,59,255,.09);border-radius:999px;padding:4px 11px}
.tag.green{color:#0b7a63;background:rgba(18,209,168,.14)}
.tag.warm{color:#b83a20;background:rgba(255,90,60,.12)}

/* ---------- 路径图 ---------- */
.path{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.path-step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.path-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.path-step .step-no{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;font-weight:800;font-size:16px;color:#fff;background:var(--dark);margin-bottom:14px}
.path-step:nth-child(2) .step-no{background:linear-gradient(130deg,#6d3bff,#9a3bff)}
.path-step:nth-child(4) .step-no{background:linear-gradient(130deg,#6d3bff,#9a3bff)}
.path-step:nth-child(6) .step-no{background:linear-gradient(130deg,#6d3bff,#9a3bff)}
.path-step h3{font-size:18px;margin-bottom:8px}
.path-step p{color:var(--muted);font-size:14.5px}
.path-step .step-out{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-deep);display:flex;align-items:center;gap:8px}

/* ---------- 数据徽章 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);padding:24px}
.stat-num{font-size:32px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,#c4b3ff,#ffb3a1);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat-label{font-size:14px;color:#c3c9ec;margin-top:6px;font-weight:600}
.stat-note{font-size:12.5px;color:#8d95c2;margin-top:8px}

/* ---------- 证言 ---------- */
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;height:100%}
.quote-mark{font-size:26px;color:#cbbdff}
.quote p{font-size:15.5px;color:var(--ink-2)}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--grad);flex:none;font-size:15px}
.avatar.g{background:linear-gradient(130deg,#12d1a8,#4ad6ff)}
.avatar.w{background:linear-gradient(130deg,#ff8a5c,#ff5a3c)}
.who-name{font-weight:700;font-size:14.5px}
.who-role{font-size:12.5px;color:var(--muted)}

/* ---------- 适用人群 ---------- */
.fit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.fit-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease}
.fit-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.fit-item i{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--grad-soft);color:var(--brand-deep);font-size:17px;flex:none}
.fit-item h3{font-size:17px;margin-bottom:6px}
.fit-item p{font-size:14.5px;color:var(--muted)}

/* ---------- 选题清单与资料 ---------- */
.topic-layout{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:start}
.topic-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px 26px;box-shadow:var(--shadow-sm)}
.topic-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed rgba(16,21,40,.1);align-items:flex-start}
.topic-list li:last-child{border-bottom:0}
.topic-no{font-weight:800;font-size:13px;color:var(--brand-deep);background:rgba(109,59,255,.1);border-radius:8px;padding:2px 9px;flex:none;margin-top:3px}
.topic-body h3{font-size:16.5px;margin-bottom:4px}
.topic-body p{font-size:14px;color:var(--muted)}
.resource-side{display:grid;gap:16px}
.resource-card{background:linear-gradient(150deg,#151b3d 0%,#241a4d 100%);color:#e9ebff;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.resource-card h3{font-size:19px;margin-bottom:10px}
.resource-card p{font-size:14px;color:#b9c0e4;margin-bottom:16px}
.resource-list li{display:flex;gap:10px;font-size:14px;color:#d6daf5;padding:7px 0}
.resource-list i{color:var(--accent);font-size:12px;margin-top:6px}
.resource-link{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-sm);font-weight:700;font-size:15px}
.resource-link:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.resource-link span{font-size:13px;font-weight:500;color:var(--muted);display:block}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--ink)}
.faq-q:hover{color:var(--brand-deep)}
.faq-q i{color:var(--brand);transition:transform .25s ease;flex:none}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:340px}

/* ---------- 转化区 ---------- */
.lead-wrap{background:linear-gradient(150deg,#6d3bff 0%,#8a3bff 46%,#ff5a3c 120%);border-radius:var(--radius-lg);padding:44px;color:#fff;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;position:relative;overflow:hidden}
.lead-wrap::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none}
.lead-copy h2{font-size:30px;margin-bottom:14px;line-height:1.3}
.lead-copy p{color:rgba(255,255,255,.88);font-size:15.5px;margin-bottom:20px}
.lead-points li{display:flex;gap:10px;font-size:15px;padding:6px 0;color:rgba(255,255,255,.94)}
.lead-points i{margin-top:6px;font-size:12px;color:#ffe6a8}
.lead-form{background:#fff;border-radius:var(--radius-lg);padding:28px;color:var(--ink);box-shadow:var(--shadow);position:relative;z-index:1}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:15px;background:#fbfbfe;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(109,59,255,.14);background:#fff}
.field textarea{min-height:92px;resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}
.lead-form .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#aeb5da;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:6fr 3fr 3fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:#9aa2c9;max-width:460px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:#9aa2c9}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:22px;font-size:13px;color:#7f87ad}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
 .page-hero-grid{grid-template-columns:1fr;gap:40px}
 .page-title{font-size:38px}
 .hero-grid{grid-template-columns:1fr}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .path{grid-template-columns:repeat(2,1fr)}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .topic-layout{grid-template-columns:1fr}
 .lead-wrap{grid-template-columns:1fr;gap:30px;padding:34px}
 .nav-search{display:none}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .nav-collapse{position:absolute;top:74px;left:16px;right:16px;flex-direction:column;align-items:stretch;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;display:none;margin-left:0}
 .nav-collapse.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:2px}
 .nav-links a{padding:12px 14px;border-radius:12px}
 .nav-collapse .btn{width:100%}
 .nav-search{display:flex}
 .nav-search input{width:100%}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .fit-grid{grid-template-columns:1fr}
 .section{padding:58px 0}
 .section-title{font-size:27px}
 .page-title{font-size:31px}
}
@media (max-width:560px){
 .container{padding:0 16px}
 .topbar-inner{height:auto;padding:8px 0;flex-wrap:wrap;gap:8px;font-size:12px}
 .topbar-tag{margin-left:0}
 .page-title{font-size:26px}
 .hud{padding:20px}
 .hud-metrics{grid-template-columns:1fr 1fr}
 .metric-num{font-size:22px}
 .path,.stat-strip,.grid-4{grid-template-columns:1fr}
 .card,.path-step,.quote,.fit-item{padding:20px}
 .lead-wrap{padding:24px}
 .lead-form{padding:20px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .hero-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
 --brand:#6d3bff;
 --brand-deep:#4a1fd6;
 --brand-2:#ff5a3c;
 --accent:#12d1a8;
 --ink:#101528;
 --ink-2:#2b3350;
 --muted:#5f6884;
 --line:#e5e8f3;
 --bg:#f6f7fc;
 --card:#ffffff;
 --dark:#0d1226;
 --dark-2:#171f3f;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:20px;
 --radius-lg:28px;
 --shadow-sm:0 2px 10px rgba(16,21,40,.06);
 --shadow:0 16px 44px rgba(16,21,40,.10);
 --shadow-lg:0 30px 80px rgba(16,21,40,.20);
 --grad:linear-gradient(120deg,#6d3bff 0%,#9a3bff 48%,#ff5a3c 100%);
 --grad-soft:linear-gradient(140deg,#f1eeff 0%,#fff2ed 100%);
 --container:1200px;
 --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:800;color:var(--ink)}
p{margin:0 0 14px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(90deg,#141a35 0%,#2a1a54 55%,#3d1c46 100%);color:#e9eaff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:12px;height:40px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,209,168,.22);flex:none}
.topbar-tag{margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:2px 12px;font-size:12px;white-space:nowrap}
/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 20px rgba(109,59,255,.35)}
.logo-name{letter-spacing:.02em}
.nav-collapse{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{display:block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{background:#f0edff;color:var(--brand-deep)}
.nav-links a.active{background:linear-gradient(120deg,rgba(109,59,255,.14),rgba(255,90,60,.14));color:var(--brand-deep)}
.nav-search{display:flex;align-items:center;gap:8px;background:#f2f3fa;border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--muted)}
.nav-search i{font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.nav-search input::placeholder{color:#9aa1bd}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;margin-left:auto;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;font-weight:700;font-size:15px;padding:12px 24px;line-height:1.4;text-align:center;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(109,59,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(109,59,255,.4);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(109,59,255,.32)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1c2449;transform:translateY(-2px);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.38)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;line-height:1.5}
.badge-soft{background:rgba(109,59,255,.1);color:var(--brand-deep)}
.badge-accent{background:rgba(18,209,168,.14);color:#0a8f74}
.badge-warm{background:rgba(255,90,60,.12);color:#c8391f}
.badge-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24)}
/* ---------- 板块通用 ---------- */
main{display:block}
.section{padding:76px 0}
.section.tight{padding:56px 0}
.section.soft{background:linear-gradient(180deg,#fbfbff 0%,#f1f2fa 100%)}
.section.dark{background:
 radial-gradient(820px 420px at 12% -6%,rgba(109,59,255,.38),transparent 62%),
 radial-gradient(720px 380px at 96% 106%,rgba(255,90,60,.26),transparent 60%),
 var(--dark);
 color:#eef0ff}
.section.dark h1,.section.dark h2,.section.dark h3,.section.dark h4{color:#fff}
.section-head{max-width:730px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);background:rgba(109,59,255,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.section.dark .eyebrow{color:#fff;background:rgba(255,255,255,.14)}
.section-title{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section-title.sm{font-size:clamp(20px,2.4vw,26px)}
.section-desc{color:var(--muted);font-size:16px;max-width:640px}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}
.section.dark .section-desc{color:#b9c0e4}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ---------- 网格 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.split.wide-left{grid-template-columns:1.15fr .85fr}
.split.wide-right{grid-template-columns:.85fr 1.15fr}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:62px 0 76px;background:
 radial-gradient(900px 420px at 10% -12%,rgba(109,59,255,.18),transparent 62%),
 radial-gradient(760px 400px at 98% 4%,rgba(255,90,60,.15),transparent 60%),
 linear-gradient(180deg,#ffffff 0%,#f6f6ff 100%)}
.hero::after{content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(18,209,168,.20),transparent 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:1}
.hero-title{font-size:clamp(28px,3.9vw,46px);line-height:1.22;margin-bottom:16px}
.hero-sub{font-size:18px;font-weight:700;color:var(--brand-deep);margin-bottom:14px}
.hero-lead{color:var(--ink-2);font-size:16px;margin-bottom:24px;max-width:560px}
.perk-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.perk{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:700;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.perk i{color:var(--brand)}
.qualify{display:flex;gap:14px;background:linear-gradient(140deg,#f1eeff 0%,#fff2ed 100%);border:1px solid #e6dfff;border-radius:var(--radius);padding:18px 20px;margin-bottom:26px}
.qualify i{color:var(--brand-2);font-size:18px;margin-top:4px}
.qualify p{margin:0;font-size:14.5px;color:var(--ink-2)}
.qualify strong{color:var(--brand-deep)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
/* Hero 右侧 HUD */
.hud{position:relative;background:linear-gradient(160deg,#161d3d 0%,#0d1226 60%,#1a1235 100%);border-radius:var(--radius-lg);padding:26px;color:#eef0ff;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08)}
.hud::before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);background:radial-gradient(420px 220px at 88% -10%,rgba(109,59,255,.5),transparent 62%);pointer-events:none}
.hud-top{position:relative;display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.hud-label{font-size:13px;letter-spacing:.08em;color:#a8b0da;font-weight:700}
.hud-pill{margin-left:auto;background:rgba(18,209,168,.16);border:1px solid rgba(18,209,168,.4);color:#5ff0cf;font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px}
.hud-body{position:relative;padding:18px 0 6px}
.hud-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:14.5px}
.hud-row:last-child{border-bottom:0}
.hud-row span{color:#a8b0da}
.hud-row b{color:#fff;font-weight:800}
.hud-steps{position:relative;display:grid;gap:10px;margin-top:12px}
.hud-steps li{display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;color:#dfe3ff}
.hud-steps b{color:#fff}
.hud-num{width:22px;height:22px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff;flex:none;margin-top:2px}
/* ---------- 痛点（左标题 右卡片） ---------- */
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dcd3ff}
.pain-card h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.pain-card h3 i{color:var(--brand-2);font-size:15px}
.pain-card p{margin:0;color:var(--muted);font-size:14.5px}
/* ---------- 解决方案 ---------- */
.solution-visual{position:relative;border-radius:var(--radius-lg);padding:30px;background:linear-gradient(150deg,#6d3bff 0%,#9a3bff 52%,#ff5a3c 100%);color:#fff;box-shadow:var(--shadow-lg);overflow:hidden}
.solution-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(360px 220px at 88% 8%,rgba(255,255,255,.32),transparent 62%)}
.solution-visual h3{color:#fff;font-size:22px;position:relative}
.solution-visual p{position:relative;color:rgba(255,255,255,.9);font-size:15px}
.solution-tags{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.solution-tags span{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:700}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm)}
.check-list i{color:var(--accent);font-size:16px;margin-top:5px}
.check-list strong{display:block;font-size:16px;margin-bottom:2px}
.check-list span{color:var(--muted);font-size:14.5px}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-no{width:40px;height:40px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:16px;box-shadow:0 10px 22px rgba(109,59,255,.3)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{margin:0;color:var(--muted);font-size:14.5px}
.step-tag{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:var(--brand-deep);background:rgba(109,59,255,.09);border-radius:999px;padding:4px 12px}
/* ---------- 数据指标 ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:24px 22px;transition:transform .2s ease,background .2s ease}
.metric:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.metric-num{font-size:38px;font-weight:800;line-height:1.1;background:linear-gradient(120deg,#ffffff 0%,#cdbcff 60%,#ffc9b8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-num small{font-size:18px;font-weight:700;margin-left:2px}
.metric-label{margin-top:8px;color:#dfe3ff;font-size:15px;font-weight:700}
.metric-note{color:#a8b0da;font-size:13.5px;margin-top:4px}
/* ---------- 证言 ---------- */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;gap:16px;transition:transform .2s ease,box-shadow .2s ease}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote-card.feature{background:linear-gradient(150deg,#f4f1ff 0%,#fff3ee 100%);border-color:#e6dfff}
.quote-mark{font-size:26px;color:var(--brand);opacity:.6}
.quote-text{margin:0;font-size:15.5px;color:var(--ink-2)}
.quote-meta{margin-top:auto;display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:42px;height:42px;border-radius:14px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.quote-meta b{display:block;font-size:15px}
.quote-meta span{color:var(--muted);font-size:13.5px}
/* ---------- 适用人群 ---------- */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.scene-card:hover{transform:translateY(-4px);border-color:#dcd3ff;box-shadow:var(--shadow)}
.scene-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:18px;margin-bottom:14px;background:rgba(109,59,255,.1);color:var(--brand-deep)}
.scene-card h3{font-size:16.5px;margin-bottom:6px}
.scene-card p{margin:0;color:var(--muted);font-size:14.5px}
/* ---------- 选题清单 / 资源 ---------- */
.topic-list{display:grid;gap:12px}
.topic-item{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);transition:transform .18s ease,border-color .18s ease}
.topic-item:hover{transform:translateX(4px);border-color:#dcd3ff}
.topic-no{font-weight:800;color:var(--brand);font-size:15px;flex:none;width:28px}
.topic-item b{font-size:15.5px;display:block}
.topic-item span{color:var(--muted);font-size:13.5px}
.topic-dur{margin-left:auto;font-size:12.5px;font-weight:700;color:#0a8f74;background:rgba(18,209,168,.13);border-radius:999px;padding:4px 12px;white-space:nowrap}
.resource-card{background:linear-gradient(150deg,#ffffff 0%,#f6f4ff 100%);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;height:100%}
.resource-card i{font-size:20px;color:var(--brand-2)}
.resource-card h3{font-size:16px;margin:0}
.resource-card p{margin:0;color:var(--muted);font-size:14.5px}
/* ---------- 保障 ---------- */
.assure-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.assure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);display:flex;gap:14px;align-items:flex-start;transition:transform .2s ease,box-shadow .2s ease}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.assure i{width:40px;height:40px;border-radius:12px;background:rgba(18,209,168,.13);color:#0a8f74;display:grid;place-items:center;font-size:16px;flex:none}
.assure b{display:block;font-size:16px;margin-bottom:4px}
.assure span{color:var(--muted);font-size:14.5px}
/* ---------- 转化区 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px;background:
 radial-gradient(620px 320px at 8% -10%,rgba(109,59,255,.55),transparent 62%),
 radial-gradient(560px 320px at 100% 110%,rgba(255,90,60,.4),transparent 62%),
 linear-gradient(140deg,#141a35 0%,#241a4d 100%);
 color:#eef0ff;box-shadow:var(--shadow-lg)}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:#c7cdec;margin-bottom:18px}
.cta-points{display:grid;gap:10px;margin-bottom:0}
.cta-points li{display:flex;gap:10px;align-items:center;color:#e5e8ff;font-size:14.5px}
.cta-points i{color:#5ff0cf}
.lead-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:24px;backdrop-filter:blur(6px)}
.lead-form h3{color:#fff;font-size:18px;margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:#b9c0e4;margin-bottom:6px;font-weight:700}
.field input,.field select{width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff;padding:12px 14px;font-size:15px;outline:none;transition:border-color .2s ease,background .2s ease}
.field input::placeholder{color:#9aa1bd}
.field select option{color:#101528}
.field input:focus,.field select:focus{border-color:#8f6bff;background:rgba(255,255,255,.16)}
.form-note{font-size:13px;color:#a8b0da;margin:12px 0 0}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#c7cdec;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{color:#a8b0da;font-size:14.5px;max-width:420px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{color:#a8b0da;font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:22px;color:#8e96bd;font-size:13.5px}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:38px}
 .split,.split.wide-left,.split.wide-right{grid-template-columns:1fr;gap:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .metric-strip{grid-template-columns:repeat(2,1fr)}
 .assure-row{grid-template-columns:repeat(2,1fr)}
 .cta-grid{grid-template-columns:1fr;gap:30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .nav-collapse{position:absolute;top:70px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;gap:12px;margin-left:0}
 .nav-collapse.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:4px}
 .nav-links a{padding:11px 14px}
 .nav-search{width:100%}
 .nav-search input{width:100%}
 .nav-toggle{display:flex}
 .nav-collapse .btn{width:100%}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section.tight{padding:44px 0}
 .container{padding:0 18px}
 .hero{padding:44px 0 56px}
 .grid-2,.grid-3,.grid-4,.steps,.metric-strip,.assure-row{grid-template-columns:1fr}
 .topbar-inner{height:auto;padding:8px 0;font-size:12px;flex-wrap:wrap;gap:8px}
 .topbar-tag{margin-left:0}
 .cta-band{padding:28px 20px}
 .hud{padding:20px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
 .hero-title{font-size:25px}
 .section-title{font-size:22px}
 .btn{width:100%}
 .hero-actions .btn{width:100%}
 .perk{width:100%;justify-content:flex-start}
 .metric-num{font-size:30px}
 .topic-item{flex-wrap:wrap;gap:8px}
 .topic-dur{margin-left:0}
 .quote-meta{flex-wrap:wrap}
}

/* roulang page: category1 */
:root{
 --brand:#6d3bff;
 --brand-deep:#4a1fd6;
 --brand-2:#ff5a3c;
 --accent:#12d1a8;
 --ink:#101528;
 --ink-2:#2b3350;
 --muted:#5f6884;
 --line:#e5e8f3;
 --bg:#f6f7fc;
 --card:#ffffff;
 --dark:#0d1226;
 --dark-2:#171f3f;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:20px;
 --radius-lg:28px;
 --shadow-sm:0 2px 10px rgba(16,21,40,.06);
 --shadow:0 16px 44px rgba(16,21,40,.10);
 --shadow-lg:0 30px 80px rgba(16,21,40,.20);
 --grad:linear-gradient(120deg,#6d3bff 0%,#9a3bff 48%,#ff5a3c 100%);
 --grad-soft:linear-gradient(140deg,#f1eeff 0%,#fff2ed 100%);
 --container:1200px;
 --gap:24px;
}
/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0 0 14px;letter-spacing:-.01em}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(109,59,255,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(90deg,#141a35 0%,#2a1a54 55%,#3d1c46 100%);color:#e9eaff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:12px;height:40px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,209,168,.22);flex:none}
.topbar-tag{margin-left:auto;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:2px 12px;font-size:12px;white-space:nowrap}
/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;flex:none}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 20px rgba(109,59,255,.35)}
.logo-name{letter-spacing:.02em}
.nav-collapse{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{display:block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{background:#f0edff;color:var(--brand-deep)}
.nav-links a.active{background:linear-gradient(120deg,rgba(109,59,255,.14),rgba(255,90,60,.14));color:var(--brand-deep)}
.nav-search{display:flex;align-items:center;gap:8px;background:#f2f3fa;border:1px solid var(--line);border-radius:999px;padding:7px 14px;color:var(--muted)}
.nav-search i{font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.nav-search input::placeholder{color:#9aa1bd}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- 按钮 / 徽章 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;font-weight:700;font-size:15px;line-height:1.4;padding:12px 24px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(109,59,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(109,59,255,.4);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(109,59,255,.32)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#1c2449;transform:translateY(-2px);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;line-height:1.4;background:rgba(109,59,255,.1);color:var(--brand-deep)}
.badge-live{background:rgba(18,209,168,.14);color:#0b8f76}
.badge-warm{background:rgba(255,90,60,.13);color:#c93a1f}
.badge-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.24)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13px;font-weight:600}
/* ---------- 板块通用 ---------- */
main{display:block}
.section{padding:76px 0}
.section.tight{padding:56px 0}
.section.soft{background:linear-gradient(180deg,#fbfbff 0%,#f1f2fa 100%)}
.section.dark{background:var(--dark);color:#eef0ff}
.section.dark .section-title,.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-deep);background:rgba(109,59,255,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.section.dark .eyebrow{color:#fff;background:rgba(255,255,255,.14)}
.section-title{font-size:34px;margin-bottom:14px}
.section-title.sm{font-size:27px}
.section-desc{color:var(--muted);font-size:16px}
.section.dark .section-desc{color:#b9c0e4}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;gap:44px;align-items:start}
/* ---------- 首屏：拼团档期 ---------- */
.hero-group{position:relative;padding:56px 0 74px;overflow:hidden;background:
 radial-gradient(900px 420px at 10% -14%,rgba(109,59,255,.18),transparent 62%),
 radial-gradient(760px 380px at 96% 4%,rgba(255,90,60,.15),transparent 60%),
 linear-gradient(180deg,#ffffff 0%,#f6f5ff 100%)}
.hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center}
.hero-copy h1{font-size:44px;line-height:1.24;margin-bottom:18px}
.hero-copy .hero-lead{font-size:17px;color:var(--ink-2);max-width:58ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 20px}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px}
.stat-chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;color:var(--ink-2);box-shadow:var(--shadow-sm)}
.stat-chip i{color:var(--brand)}
.group-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:30px;overflow:hidden}
.group-card::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--grad)}
.group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.group-deadline{font-size:13px;color:var(--muted);font-weight:600}
.group-card h3{font-size:22px;margin-bottom:8px}
.group-card .group-sub{color:var(--muted);font-size:14px;margin-bottom:22px}
.group-progress{background:#f7f7fe;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;margin-bottom:18px}
.group-progress-head{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700;margin-bottom:12px}
.group-progress-head strong{color:var(--brand-2)}
.bar{height:10px;border-radius:999px;background:#e9ebf6;overflow:hidden}
.bar>span{display:block;height:100%;border-radius:999px;background:var(--grad);transition:width .5s ease}
.avatars{display:flex;align-items:center;gap:-8px;margin-top:14px}
.avatars span{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff;border:2px solid #fff;margin-left:-8px}
.avatars span:first-child{margin-left:0}
.avatars span:nth-child(1){background:#6d3bff}
.avatars span:nth-child(2){background:#ff5a3c}
.avatars span:nth-child(3){background:#12d1a8}
.avatars span:nth-child(4){background:#c9cde4;color:#6a708c}
.avatars small{margin-left:12px;color:var(--muted);font-size:13px;font-weight:600}
.group-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2);padding:7px 0;border-bottom:1px dashed var(--line)}
.group-list li:last-child{border-bottom:0}
.group-list i{color:var(--accent);margin-top:5px;font-size:13px}
/* ---------- 卡点板块 ---------- */
.pain-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
.pain-note{background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:22px}
.pain-note strong{display:block;font-size:15px;margin-bottom:6px}
.pain-note p{margin:0;font-size:14px;color:var(--ink-2)}
.pain-list{display:grid;gap:18px}
.pain-card{display:grid;grid-template-columns:56px 1fr;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(109,59,255,.34)}
.pain-icon{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;font-size:20px;color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(109,59,255,.28)}
.pain-card h3{font-size:18px;margin-bottom:6px}
.pain-card p{margin:0;font-size:14px;color:var(--muted)}
/* ---------- 三条主线 ---------- */
.line-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.line-visual{border-radius:var(--radius-lg);padding:34px;background:linear-gradient(150deg,#241a4d 0%,#3a1f57 52%,#5a2340 100%);color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.line-visual::after{content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,90,60,.5),transparent)}
.line-visual h3{font-size:22px;position:relative;z-index:2}
.line-visual p{color:#cdc6ee;font-size:14px;position:relative;z-index:2}
.line-visual .line-points{margin-top:22px;display:grid;gap:12px;position:relative;z-index:2}
.line-points li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#e7e3ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-sm);padding:12px 14px}
.line-points i{color:var(--accent);margin-top:4px}
.line-items{display:grid;gap:18px}
.line-item{display:flex;gap:20px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.line-item:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.line-num{font-size:26px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;flex:none;width:52px}
.line-item h3{font-size:17px;margin-bottom:6px}
.line-item p{margin:0;font-size:14px;color:var(--muted)}
/* ---------- 六道工序路径 ---------- */
.path-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.path-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;box-shadow:var(--shadow-sm);position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.path-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(109,59,255,.3)}
.path-num{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:var(--dark);color:#fff;font-weight:800;font-size:14px;margin-bottom:14px}
.path-item h3{font-size:16px;margin-bottom:8px}
.path-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}
.path-meta{display:block;margin-top:12px;font-size:12px;font-weight:700;color:var(--brand-deep);background:rgba(109,59,255,.09);border-radius:999px;padding:4px 10px;text-align:center}
/* ---------- 数据面板 ---------- */
.hud{background:linear-gradient(160deg,#0d1226 0%,#151d3d 60%,#1d1740 100%);border-radius:var(--radius-lg);padding:36px;border:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.hud::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;opacity:.6;pointer-events:none}
.hud-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;position:relative;z-index:2}
.hud-head h2{font-size:28px;margin:0 0 8px}
.hud-head p{margin:0;color:#b9c0e4;font-size:14px}
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative;z-index:2}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:22px;transition:background .2s ease,transform .2s ease}
.metric:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.metric-value{font-size:32px;font-weight:800;line-height:1.1;background:linear-gradient(120deg,#ffffff 0%,#bda9ff 60%,#ffb3a3 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-label{display:block;margin-top:10px;font-size:14px;font-weight:700;color:#e7eaff}
.metric-hint{display:block;margin-top:6px;font-size:13px;color:#9aa3cc}
/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.quote-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:16px;transition:transform .2s ease,box-shadow .2s ease}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote-mark{font-size:26px;color:rgba(109,59,255,.28)}
.quote-card p{margin:0;font-size:15px;color:var(--ink-2)}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--grad);font-size:15px;flex:none}
.quote-user strong{display:block;font-size:14px}
.quote-user small{color:var(--muted);font-size:13px}
/* ---------- 适用人群 ---------- */
.persona-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.persona-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.persona-card:hover{border-color:rgba(109,59,255,.34);transform:translateY(-3px);box-shadow:var(--shadow)}
.persona-card i{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:rgba(109,59,255,.1);color:var(--brand-deep);font-size:17px;margin-bottom:14px}
.persona-card h3{font-size:16px;margin-bottom:6px}
.persona-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.7}
/* ---------- 选题清单 ---------- */
.topic-layout{display:grid;grid-template-columns:8fr 4fr;gap:36px;align-items:start}
.topic-list{display:grid;gap:12px}
.topic-item{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,border-color .2s ease}
.topic-item:hover{transform:translateX(4px);border-color:rgba(255,90,60,.36)}
.topic-item .topic-no{width:34px;height:34px;flex:none;border-radius:11px;background:#f2f0ff;color:var(--brand-deep);display:grid;place-items:center;font-weight:800;font-size:14px}
.topic-item strong{font-size:15px}
.topic-item span{display:block;font-size:13px;color:var(--muted)}
.topic-item .tag{margin-left:auto;flex:none}
.topic-side{background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.topic-side h3{font-size:19px;margin-bottom:12px}
.topic-side p{font-size:14px;color:var(--ink-2)}
.topic-side ul{display:grid;gap:10px;margin-top:18px}
.topic-side li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.topic-side i{color:var(--brand-2);margin-top:5px;font-size:12px}
/* ---------- 转化区 ---------- */
.cta-band{display:grid;grid-template-columns:7fr 5fr;gap:0;background:linear-gradient(150deg,#1a1140 0%,#31205f 55%,#5c2440 100%);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-main{padding:44px}
.cta-main h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-main p{color:#cfc8ee;font-size:15px}
.guarantee-list{display:grid;gap:12px;margin-top:24px}
.guarantee-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#e9e6ff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-sm);padding:12px 14px}
.guarantee-list i{color:var(--accent);margin-top:4px}
.lead-form{background:rgba(255,255,255,.97);padding:36px;display:grid;gap:14px;align-content:start}
.lead-form h3{font-size:19px;margin-bottom:4px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:700;color:var(--ink-2)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:#f9f9fe;border-radius:var(--radius-sm);padding:12px 14px;font-size:14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(109,59,255,.14)}
.field textarea{min-height:88px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin:6px 0 0;text-align:center}
.form-note.ok{color:#0b8f76;font-weight:700}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#c3c9e6;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;color:#a4abd0;max-width:44ch;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#a4abd0}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:22px;font-size:13px;color:#8e96bd}
/* ---------- 响应式 ---------- */
@media (max-width:1080px){
 .hero-layout,.line-layout,.cta-band,.topic-layout{grid-template-columns:1fr}
 .hero-copy h1{font-size:38px}
 .pain-layout{grid-template-columns:1fr;gap:28px}
 .path-strip{grid-template-columns:repeat(3,1fr)}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .persona-grid{grid-template-columns:repeat(2,1fr)}
 .quote-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr}
 .lead-form{padding:30px}
 .cta-main{padding:34px}
}
@media (max-width:980px){
 .nav-collapse{position:fixed;top:114px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:18px;max-height:calc(100vh - 150px);overflow:auto}
 .nav-collapse.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:2px}
 .nav-links a{padding:12px 14px}
 .nav-search{width:100%;justify-content:flex-start}
 .nav-search input{width:100%}
 .nav-toggle{display:flex}
 .section{padding:60px 0}
 .section-title{font-size:28px}
 .topbar-inner{font-size:12px}
 .topbar-tag{display:none}
}
@media (max-width:768px){
 .hero-copy h1{font-size:31px}
 .hero-group{padding:40px 0 56px}
 .grid-3,.grid-4{grid-template-columns:1fr}
 .path-strip{grid-template-columns:repeat(2,1fr)}
 .metric-grid{grid-template-columns:1fr}
 .persona-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .group-card{padding:22px}
 .hud{padding:24px}
 .line-visual{padding:26px}
 .topic-item{flex-wrap:wrap}
 .topic-item .tag{margin-left:0}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .logo-name{font-size:16px}
 .hero-copy h1{font-size:26px}
 .hero-actions .btn{width:100%}
 .stat-chip{font-size:12px;padding:7px 12px}
 .pain-card{grid-template-columns:1fr}
 .path-strip{grid-template-columns:1fr}
 .cta-main,.lead-form{padding:22px}
 .cta-main h2{font-size:23px}
 .section-title{font-size:24px}
 .section-title.sm{font-size:21px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}