/* roulang page: index */
:root{
  --brand:#4b3cff;
  --brand-2:#8b5cf6;
  --brand-3:#22c1c3;
  --brand-dark:#221a56;
  --accent:#ff7a45;
  --accent-soft:#fff2ec;
  --ink:#161a2e;
  --ink-2:#414863;
  --muted:#6d7490;
  --line:#e6e8f4;
  --line-soft:#f0f2fa;
  --bg:#f6f7fc;
  --card:#ffffff;
  --ok:#12b886;
  --radius-xl:30px;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(22,26,46,.06);
  --shadow:0 12px 34px rgba(22,26,46,.09);
  --shadow-lg:0 26px 64px rgba(22,26,46,.16);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:800;color:var(--ink);letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(75,60,255,.42);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px}
.section{padding:74px 0}
.section--tight{padding:52px 0}
.section--white{background:#fff}
.section--tint{background:linear-gradient(180deg,#f9faff 0%,#f2f3fb 100%)}
.section--dark{background:radial-gradient(120% 140% at 12% 0%,#33267a 0%,#1b1541 55%,#141029 100%);color:#e9e9f7}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .sec-desc{color:#b9b8d6}

/* ===== 通用文本组件 ===== */
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:linear-gradient(120deg,rgba(75,60,255,.12),rgba(139,92,246,.16));color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#cdc8ff}
.sec-title{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.sec-desc{font-size:16px;color:var(--muted);max-width:720px}
.section--dark .sec-desc{color:#b9b8d6}
.title-line{display:inline-block;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 60%,var(--brand-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:15px;cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;text-align:center;line-height:1.2}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(75,60,255,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(75,60,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(75,60,255,.3)}
.btn-accent{background:linear-gradient(120deg,#ff8a5b 0%,var(--accent) 100%);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.3)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,69,.38)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(75,60,255,.28)}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-block{width:100%}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-soft{background:var(--line-soft);color:var(--ink-2)}
.badge-brand{background:rgba(75,60,255,.1);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#e05f26}
.badge-ok{background:rgba(18,184,134,.12);color:#0c8d67}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);font-weight:600;transition:all .22s ease}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}

/* ===== 顶部信息条 ===== */
.topbar{background:linear-gradient(100deg,#221a56 0%,#3b2e9e 55%,#4b3cff 100%);color:#dcd9ff;font-size:13.5px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:42px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar-tag{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700}
.topbar-tag i{font-size:8px;color:#63f2c6}
.topbar-text{color:#c3bfff}
.topbar-badge{margin-left:auto;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-weight:700;font-size:12.5px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60}
.navbar{position:relative;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 22px rgba(22,26,46,.05)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(130deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(75,60,255,.3)}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{position:relative;display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:all .22s ease}
.nav-list a:hover{color:var(--brand);background:rgba(75,60,255,.07)}
.nav-list a.active{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(75,60,255,.28)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.nav-burger span{display:block;height:2px;width:20px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle:checked + .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked + .nav-burger span:nth-child(2){opacity:0}
.nav-toggle:checked + .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero-wrap{padding-top:30px}
.hero{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:62px 56px 52px;color:#fff;background:radial-gradient(110% 130% at 8% 4%,#3a2ba8 0%,#4b3cff 42%,#8b5cf6 78%,#a78bfa 100%);box-shadow:var(--shadow-lg)}
.hero::before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.28),transparent 66%)}
.hero::after{content:"";position:absolute;width:380px;height:380px;left:-120px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(34,193,195,.36),transparent 68%)}
.hero-inner{position:relative;z-index:2}
.hero-top{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.hero h1{font-size:clamp(28px,4.2vw,50px);line-height:1.2;color:#fff;margin-bottom:18px;max-width:900px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#ffe7a8,#ffb37a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(15px,1.5vw,18px);color:#e6e2ff;max-width:720px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.hero-stat{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(6px)}
.hero-stat b{font-size:19px;color:#fff;font-weight:900}
.hero-stat span{font-size:13px;color:#ded9ff}
.hero-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.hero-card{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:20px;backdrop-filter:blur(8px);transition:transform .25s ease,background .25s ease}
.hero-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.2)}
.hero-card i{font-size:19px;color:#ffd9a8;margin-bottom:10px;display:block}
.hero-card h3{font-size:16px;color:#fff;margin-bottom:6px}
.hero-card p{font-size:13.5px;color:#dfdbff;line-height:1.65}

/* ===== 指标看板 ===== */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.28)}
.metric-num{font-size:34px;font-weight:900;line-height:1.1;background:linear-gradient(110deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.metric-label{font-size:15px;font-weight:700;margin-bottom:6px}
.metric-desc{font-size:13.5px;color:var(--muted);line-height:1.66}

/* ===== 卡片通用 ===== */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.26)}
.card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;margin-bottom:16px;background:linear-gradient(130deg,rgba(75,60,255,.12),rgba(139,92,246,.2));color:var(--brand)}
.card-icon.is-accent{background:linear-gradient(130deg,rgba(255,122,69,.16),rgba(255,179,122,.24));color:#e05f26}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.72}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.card-list li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.card-list li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,var(--brand),var(--brand-2))}

/* ===== 频道矩阵 ===== */
.channel-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:32px;transition:transform .26s ease,box-shadow .26s ease}
.channel-card::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3))}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.channel-card h3{font-size:20px;margin:14px 0 10px}
.channel-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:18px}
.channel-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.channel-link{font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px}
.channel-link i{transition:transform .22s ease}
.channel-link:hover i{transform:translateX(4px)}

/* ===== 入口分流 ===== */
.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.route{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;color:var(--ink);transition:all .24s ease}
.route:hover{color:var(--ink);transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.3)}
.route b{display:block;font-size:16.5px;margin-bottom:8px}
.route span{display:block;font-size:13.5px;color:var(--muted);line-height:1.66}
.route i.route-ico{font-size:17px;color:var(--brand);margin-bottom:14px;display:block}

/* ===== 适用人群 / 谁适合 ===== */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fit-panel{border-radius:var(--radius-xl);padding:32px;border:1px solid var(--line);background:#fff}
.fit-panel.is-yes{background:linear-gradient(160deg,#f4f2ff 0%,#ffffff 68%);border-color:rgba(75,60,255,.2)}
.fit-panel.is-no{background:linear-gradient(160deg,#fff6f2 0%,#ffffff 68%);border-color:rgba(255,122,69,.24)}
.fit-panel h3{font-size:20px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.fit-panel h3 i{font-size:17px}
.fit-panel.is-yes h3 i{color:var(--brand)}
.fit-panel.is-no h3 i{color:var(--accent)}
.fit-panel > p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.fit-list li{display:flex;gap:11px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}
.fit-list li:last-child{border-bottom:0}
.fit-list li i{margin-top:5px;font-size:13px}
.fit-panel.is-yes .fit-list li i{color:var(--brand)}
.fit-panel.is-no .fit-list li i{color:var(--accent)}

/* ===== 匹配方案 ===== */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:30px;display:flex;flex-direction:column;transition:transform .26s ease,box-shadow .26s ease}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.plan-duration{font-size:26px;font-weight:900;color:var(--ink)}
.plan p{font-size:14.5px;color:var(--muted);line-height:1.72;margin-bottom:18px}
.plan ul{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.plan ul li{font-size:14px;color:var(--ink-2);display:flex;gap:9px}
.plan ul li i{color:var(--ok);margin-top:5px;font-size:12px}
.plan-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);font-size:13.5px;color:var(--muted)}

/* ===== 结果对比 ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-xl);padding:32px;border:1px solid var(--line);background:#fff}
.compare-col.is-old{background:#f8f8fb}
.compare-col.is-new{background:linear-gradient(155deg,#2d2380 0%,#4b3cff 55%,#7c5cf7 100%);color:#e8e6ff;border-color:transparent;box-shadow:var(--shadow-lg)}
.compare-col.is-new h3{color:#fff}
.compare-col h3{font-size:19px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col h3 i{font-size:16px}
.compare-col.is-old h3 i{color:var(--muted)}
.compare-col.is-new h3 i{color:#ffd9a8}
.compare-list li{display:flex;gap:11px;padding:13px 0;font-size:14.5px;border-bottom:1px dashed rgba(22,26,46,.1)}
.compare-col.is-old .compare-list li{color:var(--muted);border-bottom-color:var(--line)}
.compare-col.is-new .compare-list li{color:#e4e1ff;border-bottom-color:rgba(255,255,255,.16)}
.compare-list li:last-child{border-bottom:0}
.compare-list li i{margin-top:5px;font-size:13px}
.compare-col.is-old .compare-list li i{color:#b6bacd}
.compare-col.is-new .compare-list li i{color:#63f2c6}

/* ===== 里程碑时间线 ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2),var(--brand-3))}
.tl-item{position:relative;padding:0 0 30px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(75,60,255,.12)}
.tl-date{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.05em;margin-bottom:5px}
.tl-item h3{font-size:17px;margin-bottom:7px}
.tl-item p{font-size:14.5px;color:var(--muted)}

/* ===== 竖屏种草 ===== */
.shorts-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory}
.shorts-rail::-webkit-scrollbar{height:8px}
.shorts-rail::-webkit-scrollbar-thumb{background:rgba(75,60,255,.28);border-radius:99px}
.short-card{flex:0 0 256px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;transition:transform .24s ease,box-shadow .24s ease}
.short-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.short-thumb{height:104px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(75,60,255,.16),rgba(34,193,195,.22));display:grid;place-items:center;margin-bottom:16px;color:var(--brand);font-size:24px}
.short-card h3{font-size:16px;margin-bottom:8px}
.short-card p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.short-link{font-size:13.5px;font-weight:700;display:inline-flex;align-items:center;gap:6px}

/* ===== 资讯列表 ===== */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 26px;transition:all .24s ease}
.news-item:hover{transform:translateX(5px);border-color:rgba(75,60,255,.28);box-shadow:var(--shadow-sm)}
.news-date{flex:0 0 96px;font-size:13px;font-weight:800;color:var(--brand)}
.news-body{flex:1}
.news-body h3{font-size:16.5px;margin-bottom:5px}
.news-body p{font-size:13.5px;color:var(--muted)}
.news-arrow{color:var(--muted);font-size:14px}

/* ===== 口碑墙 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;transition:transform .24s ease,box-shadow .24s ease}
.voice:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.voice-stars{color:#ffb020;font-size:13px;margin-bottom:12px;letter-spacing:2px}
.voice p{font-size:14.5px;color:var(--ink-2);line-height:1.78;margin-bottom:18px}
.voice-user{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line-soft);padding-top:15px}
.voice-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(130deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px}
.voice-user b{display:block;font-size:14px}
.voice-user span{font-size:12.5px;color:var(--muted)}

/* ===== 保障图标条 ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:24px;transition:transform .24s ease,background .24s ease}
.guard:hover{transform:translateY(-4px);background:rgba(255,255,255,.14)}
.guard i{font-size:20px;color:#ffd9a8;margin-bottom:12px;display:block}
.guard h3{font-size:16px;margin-bottom:8px}
.guard p{font-size:13.5px;color:#bdbbdd;line-height:1.68}

/* ===== FAQ ===== */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:6px 22px;transition:box-shadow .24s ease,border-color .24s ease}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(75,60,255,.26)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand);flex:0 0 auto;transition:transform .24s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.5px;color:var(--muted);padding-bottom:20px;line-height:1.76}

/* ===== 订阅表单 ===== */
.form-panel{background:linear-gradient(150deg,#1e1750 0%,#382b96 52%,#5b46e0 100%);border-radius:var(--radius-xl);padding:44px;color:#e8e6ff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.form-panel::after{content:"";position:absolute;width:420px;height:420px;right:-150px;bottom:-220px;border-radius:50%;background:radial-gradient(circle,rgba(34,193,195,.32),transparent 66%)}
.form-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.form-copy h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px}
.form-copy p{font-size:15px;color:#c8c4ea;margin-bottom:20px}
.form-points li{display:flex;gap:10px;font-size:14.5px;color:#dcd9ff;padding:6px 0}
.form-points li i{color:#63f2c6;margin-top:5px;font-size:12px}
.form-box{background:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}
.form-box h3{font-size:18px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input,.field select{width:100%;padding:13px 16px;border-radius:var(--radius);border:1px solid var(--line);background:#fafbff;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.field input:hover,.field select:hover{border-color:#c9ccf0}
.field input:focus,.field select:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(75,60,255,.14)}
.form-privacy{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.66}

/* ===== 页脚 ===== */
.site-footer{background:#12102a;color:#a9a7c8;padding:60px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#9d9bc0;max-width:330px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{color:#a9a7c8;font-size:13.5px}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:#807ead}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero{padding:48px 34px 42px}
  .hero-cards{grid-template-columns:repeat(2,1fr)}
  .metrics-grid,.guard-grid,.route-grid{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-menu{gap:16px}
  .nav-list a{padding:8px 12px;font-size:14.5px}
}
@media (max-width:900px){
  .nav-burger{display:flex}
  .nav-menu{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:14px 22px 22px;display:none}
  .nav-toggle:checked ~ .nav-menu{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list a{padding:13px 16px;border-radius:var(--radius)}
  .nav-menu .btn{margin-top:14px}
  .form-inner{grid-template-columns:1fr;gap:26px}
  .section{padding:58px 0}
}
@media (max-width:768px){
  .hero{border-radius:24px;padding:38px 24px 34px}
  .hero-cards,.metrics-grid,.guard-grid,.route-grid,.plan-grid,.voice-grid,.fit-grid,.compare,.faq-list{grid-template-columns:1fr}
  .topbar-text{display:none}
  .topbar-badge{margin-left:0}
  .news-item{flex-direction:column;align-items:flex-start;gap:10px}
  .news-date{flex:none}
  .form-panel{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .fit-panel,.compare-col,.channel-card,.card{padding:24px}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .hero-stat{padding:8px 14px}
  .metric-num{font-size:28px}
  .btn{padding:13px 22px}
  .logo-text{font-size:17px}
}

/* roulang page: category2 */
:root{
 --brand:#4b3cff;
 --brand-2:#8b5cf6;
 --brand-3:#22c1c3;
 --brand-dark:#221a56;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#161a2e;
 --ink-2:#414863;
 --muted:#6d7490;
 --line:#e6e8f4;
 --line-soft:#f0f2fa;
 --bg:#f6f7fc;
 --card:#ffffff;
 --ok:#12b886;
 --radius-xl:30px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,26,46,.06);
 --shadow:0 12px 34px rgba(22,26,46,.09);
 --shadow-lg:0 26px 64px rgba(22,26,46,.16);
 --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px}
.section{padding:74px 0}
.section--tight{padding:52px 0}
.section--white{background:#fff}
.section--tint{background:linear-gradient(180deg,#f9faff 0%,#f2f3fb 100%)}
.section--dark{background:radial-gradient(120% 140% at 12% 0%,#33267a 0%,#1b1541 55%,#141029 100%);color:#e9e9f7}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#b9b8d6}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:linear-gradient(120deg,rgba(75,60,255,.12),rgba(139,92,246,.16));color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#cdc8ff}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.sec-desc{color:var(--muted);font-size:16px;margin:0}
.title-line{display:inline-block;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 60%,var(--brand-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:15px;cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;text-align:center;line-height:1.2}
.btn:focus-visible{outline:3px solid rgba(75,60,255,.34);outline-offset:2px}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(75,60,255,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(75,60,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(75,60,255,.3)}
.btn-accent{background:linear-gradient(120deg,#ff8a5b 0%,var(--accent) 100%);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.3)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,69,.38)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(75,60,255,.28)}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-block{width:100%}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-soft{background:var(--line-soft);color:var(--ink-2)}
.badge-brand{background:rgba(75,60,255,.1);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#e05f26}
.badge-ok{background:rgba(18,184,134,.12);color:#0c8d67}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);font-weight:600;transition:all .22s ease}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px)}

/* ===== 顶部信息条 ===== */
.topbar{background:linear-gradient(100deg,#221a56 0%,#3b2e9e 55%,#4b3cff 100%);color:#dcd9ff;font-size:13.5px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:42px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar-tag{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700}
.topbar-tag i{font-size:8px;color:#63f2c6}
.topbar-text{color:#c3bfff}
.topbar-badge{margin-left:auto;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-weight:700;font-size:12.5px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60}
.navbar{position:relative;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 22px rgba(22,26,46,.05)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(130deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(75,60,255,.3)}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{position:relative;display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:all .22s ease}
.nav-list a:hover{color:var(--brand);background:rgba(75,60,255,.07)}
.nav-list a.active{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(75,60,255,.28)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;padding:0 11px;transition:all .22s ease}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:all .26s ease}
.nav-burger:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.nav-burger:hover span{background:var(--brand)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:66px 0 58px;background:radial-gradient(120% 130% at 6% 0%,#ebe9ff 0%,#f6f7fc 52%,#f6f7fc 100%)}
.hero-glow{position:absolute;right:-140px;bottom:-190px;width:540px;height:540px;border-radius:50%;background:radial-gradient(circle at 34% 34%,rgba(75,60,255,.24),rgba(34,193,195,.14) 58%,transparent 72%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:start}
.hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.22;margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px}
.hero-points{margin:22px 0 0;display:grid;gap:12px}
.hero-points li{position:relative;padding-left:30px;font-size:15.5px;color:var(--ink-2)}
.hero-points li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(75,60,255,.12);color:var(--brand);font-size:10px;display:grid;place-items:center}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-metrics span{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);font-size:13.5px;font-weight:700;color:var(--ink-2)}
.hero-metrics i{color:var(--brand)}

/* ===== 档位对比卡 ===== */
.hero-panel{display:grid;gap:18px}
.plan-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:26px 28px 24px;box-shadow:var(--shadow);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.plan-card--featured{border-color:transparent;background:linear-gradient(155deg,#ffffff 0%,#f3f1ff 100%);box-shadow:var(--shadow-lg)}
.plan-card--featured::before{content:"";position:absolute;left:28px;right:28px;top:0;height:4px;border-radius:0 0 10px 10px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3))}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:10px}
.plan-name{font-size:19px;font-weight:800;margin:0}
.plan-sub{font-size:14px;color:var(--muted);margin:0 0 16px}
.plan-list{display:grid;gap:10px;margin-bottom:20px}
.plan-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2);line-height:1.65}
.plan-list li::before{content:"";position:absolute;left:6px;top:10px;width:7px;height:7px;border-radius:50%;background:linear-gradient(120deg,var(--brand),var(--brand-3))}
.plan-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px dashed var(--line)}
.plan-note{font-size:13px;color:var(--muted)}
.plan-price{font-size:15px;font-weight:800;color:var(--brand)}

/* ===== 数据看板 ===== */
.stats-band{background:linear-gradient(120deg,#241c5e 0%,#3b2e9e 52%,#4b3cff 100%);color:#fff;padding:56px 0}
.stats-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:30px}
.stats-head h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin:0}
.stats-head p{color:#c6c2f4;margin:0;max-width:560px;font-size:15px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:24px 22px;backdrop-filter:blur(6px);transition:transform .26s ease,background .26s ease}
.stat-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.16)}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.02em;line-height:1.1;color:#fff}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;color:#a8f0e4}
.stat-label{font-size:14px;color:#cfccf6;margin-top:8px;font-weight:600}
.stat-tip{font-size:12.5px;color:#a9a5dd;margin-top:6px}

/* ===== 方向矩阵 ===== */
.matrix-row{margin:0 -12px}
.matrix-row .columns{padding:0 12px 24px;float:left}
.matrix-card{height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;display:flex;flex-direction:column}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.28)}
.matrix-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;color:#fff;background:linear-gradient(130deg,var(--brand),var(--brand-2));box-shadow:0 10px 22px rgba(75,60,255,.26);margin-bottom:16px}
.matrix-card h3{font-size:17.5px;margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.matrix-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}

/* ===== 挑片方式对比 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:30px 28px;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.compare-card--win{border-color:rgba(75,60,255,.32);background:linear-gradient(160deg,#ffffff 0%,#f4f2ff 100%);box-shadow:var(--shadow)}
.compare-card h3{font-size:19px;margin-bottom:6px}
.compare-card .compare-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.compare-list{display:grid;gap:14px}
.compare-list li{display:flex;gap:12px;font-size:14.8px;color:var(--ink-2);line-height:1.7}
.compare-list i{flex:none;margin-top:3px;font-size:15px}
.compare-list .ok{color:var(--ok)}
.compare-list .no{color:#c2c6d8}
.compare-bars{margin-top:26px;display:grid;gap:14px}
.bar-item span{display:flex;justify-content:space-between;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.bar-track{height:9px;border-radius:999px;background:var(--line-soft);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.bar-fill--alt{background:linear-gradient(90deg,#ffb08a,var(--accent))}

/* ===== 里程碑 ===== */
.timeline{position:relative;display:grid;gap:22px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(75,60,255,.5),rgba(34,193,195,.28))}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;align-items:start}
.tl-dot{width:40px;height:40px;border-radius:14px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-weight:900;color:var(--brand);box-shadow:var(--shadow-sm);font-size:14px}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease}
.tl-body:hover{transform:translateX(4px);box-shadow:var(--shadow)}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:14.6px;color:var(--muted);margin:0}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ===== 片单更新动态 ===== */
.news-wrap{display:grid;grid-template-columns:1.35fr .95fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{display:grid;grid-template-columns:64px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.24)}
.news-no{width:64px;height:64px;border-radius:16px;background:linear-gradient(140deg,rgba(75,60,255,.12),rgba(34,193,195,.16));display:grid;place-items:center;font-weight:900;color:var(--brand);font-size:15px;line-height:1.2;text-align:center}
.news-body h3{font-size:16.5px;margin-bottom:8px}
.news-body p{font-size:14.4px;color:var(--muted);margin:0 0 12px}
.shorts-card{background:linear-gradient(160deg,#ffffff 0%,#f4f2ff 100%);border:1px solid var(--line);border-radius:var(--radius-xl);padding:28px 26px;box-shadow:var(--shadow)}
.shorts-card h3{font-size:18px;margin-bottom:6px}
.shorts-card > p{font-size:14.4px;color:var(--muted)}
.shorts-list{display:grid;gap:14px;margin-top:18px}
.shorts-list li{display:flex;gap:14px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.shorts-list li:last-child{border-bottom:none;padding-bottom:0}
.shorts-num{flex:none;width:30px;height:30px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.shorts-list strong{display:block;font-size:15px;color:var(--ink)}
.shorts-list span{font-size:13.4px;color:var(--muted)}

/* ===== 平台保障 ===== */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm);transition:transform .26s ease,box-shadow .26s ease}
.g-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.g-card i{font-size:20px;color:var(--brand);margin-bottom:14px;display:block}
.g-card h3{font-size:16.5px;margin-bottom:8px}
.g-card p{font-size:14.2px;color:var(--muted);margin:0}
.voices{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:28px 26px;box-shadow:var(--shadow-sm)}
.voices h3{font-size:17.5px;margin-bottom:18px}
.voices-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.voice{background:var(--bg);border-radius:var(--radius);padding:18px 18px 16px;border:1px solid var(--line-soft);transition:transform .24s ease}
.voice:hover{transform:translateY(-3px)}
.voice p{font-size:14.2px;color:var(--ink-2);margin-bottom:12px}
.voice-who{font-size:13px;color:var(--muted);font-weight:700;display:flex;align-items:center;gap:8px}
.voice-who i{color:var(--brand-3)}
.stars{color:#ffb400;font-size:12px;letter-spacing:2px}

/* ===== 快速解答 ===== */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quick-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quick-card h3{font-size:16px;margin-bottom:8px}
.quick-card p{font-size:14.2px;color:var(--muted);margin:0}

/* ===== FAQ ===== */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:6px 24px;margin-bottom:14px;transition:box-shadow .24s ease,border-color .24s ease}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(75,60,255,.24)}
.faq-item summary{cursor:pointer;list-style:none;font-weight:700;font-size:16.5px;padding:17px 40px 17px 0;position:relative;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:27px;height:27px;border-radius:50%;background:rgba(75,60,255,.1);color:var(--brand);display:grid;place-items:center;font-size:17px;font-weight:700;transition:all .24s ease}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-answer{padding:0 0 20px;color:var(--ink-2);font-size:14.8px;line-height:1.85;margin:0}

/* ===== 订阅转化 ===== */
.cta-panel{background:linear-gradient(120deg,#241c5e 0%,#3b2e9e 50%,#4b3cff 100%);border-radius:var(--radius-xl);padding:48px 46px;color:#fff;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-panel::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(34,193,195,.34),transparent 68%)}
.cta-copy{position:relative}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:14px}
.cta-copy p{color:#c9c5f6;font-size:15.5px;margin-bottom:18px}
.cta-copy ul{display:grid;gap:10px}
.cta-copy li{position:relative;padding-left:26px;font-size:14.6px;color:#dedbff}
.cta-copy li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;color:#7ef0d4;font-size:13px}
.cta-form{position:relative;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-lg);padding:26px 24px;backdrop-filter:blur(8px)}
.cta-form label{display:block;font-size:13.5px;font-weight:700;color:#e6e4ff;margin-bottom:7px}
.cta-form input[type="email"],.cta-form select{width:100%;padding:13px 15px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.94);color:var(--ink);margin-bottom:16px;transition:border-color .22s ease,box-shadow .22s ease}
.cta-form input[type="email"]:focus,.cta-form select:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.32)}
.form-tip{font-size:12.8px;color:#bdb8ef;margin:12px 0 0;line-height:1.6}

/* ===== 页脚 ===== */
.site-footer{background:#141029;color:#a9a5d4;padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-mark{background:linear-gradient(130deg,var(--brand) 0%,var(--brand-2) 100%)}
.footer-brand p{font-size:14.4px;color:#9d99c9;margin:0;max-width:360px}
.footer-col h3{font-size:15.5px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.4px;color:#a9a5d4}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:22px 0 30px;font-size:13.4px;color:#8b87b8}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:36px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .guarantee-grid{grid-template-columns:repeat(2,1fr)}
 .voices-grid{grid-template-columns:1fr}
 .news-wrap{grid-template-columns:1fr}
 .cta-panel{grid-template-columns:1fr;padding:40px 30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .quick-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
 .navbar-inner{min-height:66px}
 .nav-burger{display:flex}
 .nav-menu{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:12px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:16px 22px 22px}
 .nav-toggle:checked ~ .nav-menu{display:flex}
 .nav-list{flex-direction:column;align-items:stretch;gap:4px}
 .nav-list a{padding:12px 16px;border-radius:12px;display:block}
 .nav-menu .btn{width:100%}
 .matrix-row .columns{float:none;width:100%}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section--tight{padding:42px 0}
 .hero{padding:48px 0 44px}
 .compare-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr}
 .guarantee-grid{grid-template-columns:1fr}
 .topbar-badge{display:none}
 .cta-panel{padding:34px 22px}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 .stat-grid{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .news-item{grid-template-columns:1fr;gap:12px}
 .news-no{width:52px;height:52px;font-size:13.5px}
 .plan-card{padding:22px 20px}
 .cta-form{padding:20px 18px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
 --brand:#4b3cff;
 --brand-2:#8b5cf6;
 --brand-3:#22c1c3;
 --brand-dark:#221a56;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#161a2e;
 --ink-2:#414863;
 --muted:#6d7490;
 --line:#e6e8f4;
 --line-soft:#f0f2fa;
 --bg:#f6f7fc;
 --card:#ffffff;
 --ok:#12b886;
 --radius-xl:30px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,26,46,.06);
 --shadow:0 12px 34px rgba(22,26,46,.09);
 --shadow-lg:0 26px 64px rgba(22,26,46,.16);
 --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease,background .22s ease}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(75,60,255,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px}
/* Foundation 栅格微调 */
.grid-x.grid-padding-x{margin-left:-11px;margin-right:-11px}
.grid-x.grid-padding-x>.cell{padding-left:11px;padding-right:11px}
.grid-x.grid-padding-y{margin-top:-11px;margin-bottom:-11px}
.grid-x.grid-padding-y>.cell{padding-top:11px;padding-bottom:11px}
.grid-x>.cell{display:flex}
.grid-x>.cell>*{width:100%}
/* ===================== 板块与标题 ===================== */
.section{padding:74px 0}
.section--tight{padding:52px 0}
.section--white{background:#fff}
.section--tint{background:linear-gradient(180deg,#f9faff 0%,#f2f3fb 100%)}
.section--dark{background:radial-gradient(120% 140% at 12% 0%,#33267a 0%,#1b1541 55%,#141029 100%);color:#e9e9f7}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .sec-desc{color:#b9b8d6}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:linear-gradient(120deg,rgba(75,60,255,.12),rgba(139,92,246,.16));color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#cdc8ff}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px;letter-spacing:-.01em}
.sec-desc{color:var(--ink-2);font-size:16px;max-width:760px}
.title-line{display:inline-block;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 60%,var(--brand-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:38px;flex-wrap:wrap}
.sec-head--center{flex-direction:column;align-items:center;text-align:center}
.sec-head--center .sec-desc{margin:0 auto}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ===================== 按钮 ===================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:15px;cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;text-align:center;line-height:1.2}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(75,60,255,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(75,60,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(75,60,255,.3)}
.btn-accent{background:linear-gradient(120deg,#ff8a5b 0%,var(--accent) 100%);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.3)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,69,.38)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(75,60,255,.28)}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-block{width:100%}
/* ===================== 徽章 / 标签 ===================== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em;background:var(--line-soft);color:var(--ink-2);white-space:nowrap}
.badge-brand{background:rgba(75,60,255,.1);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#e05f26}
.badge-ok{background:rgba(18,184,134,.12);color:#0c8d67}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);font-weight:600;transition:all .22s ease}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-1px)}
/* ===================== 顶部信息条 ===================== */
.topbar{background:linear-gradient(100deg,#221a56 0%,#3b2e9e 55%,#4b3cff 100%);color:#dcd9ff;font-size:13.5px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:42px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar-tag{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700}
.topbar-tag i{font-size:8px;color:#63f2c6}
.topbar-text{color:#c3bfff}
.topbar-badge{margin-left:auto;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-weight:700;font-size:12.5px}
/* ===================== 导航 ===================== */
.site-header{position:sticky;top:0;z-index:60}
.navbar{position:relative;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 22px rgba(22,26,46,.05)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(130deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(75,60,255,.3)}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{position:relative;display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:all .22s ease}
.nav-list a:hover{color:var(--brand);background:rgba(75,60,255,.07)}
.nav-list a.active{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(75,60,255,.28)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;padding:0;align-items:center}
.nav-burger span{display:block;width:19px;height:2px;border-radius:2px;background:var(--ink-2);transition:all .25s ease}
.nav-burger:hover{border-color:var(--brand)}
.nav-burger:hover span{background:var(--brand)}
/* ===================== 频道主页头图 ===================== */
.channel-hero{padding:44px 0 12px;background:linear-gradient(180deg,#f0f1fd 0%,rgba(246,247,252,0) 100%)}
.channel-hero::after{content:"";display:block}
.channel-card{position:relative;display:grid;grid-template-columns:1.7fr 1fr;gap:34px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:38px 38px 34px;overflow:hidden}
.channel-card::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--brand) 0%,var(--brand-2) 55%,var(--brand-3) 100%)}
.channel-main{display:flex;gap:26px;align-items:flex-start}
.channel-avatar{position:relative;flex:0 0 auto}
.avatar-mark{width:104px;height:104px;border-radius:30px;display:grid;place-items:center;font-size:44px;font-weight:900;color:#fff;background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 60%,var(--brand-3) 120%);box-shadow:0 18px 38px rgba(75,60,255,.32)}
.avatar-live{position:absolute;left:50%;transform:translateX(-50%);bottom:-12px;display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:700;color:var(--ok);white-space:nowrap;box-shadow:var(--shadow-sm)}
.avatar-live i{font-size:7px}
.channel-info h1{font-size:clamp(25px,3.1vw,36px);line-height:1.28;letter-spacing:-.02em;margin-bottom:14px}
.channel-desc{color:var(--ink-2);font-size:15.5px;margin-bottom:18px;max-width:640px}
.channel-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.channel-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;padding-top:20px;border-top:1px dashed var(--line)}
.channel-meta div{font-size:13.5px;color:var(--muted)}
.channel-meta strong{display:block;font-size:19px;color:var(--ink);font-weight:800;letter-spacing:-.01em}
.channel-side{background:linear-gradient(170deg,#f7f7ff 0%,#eef0ff 100%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.channel-side h2{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.channel-side h2 i{color:var(--brand)}
.side-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--ink);font-weight:800}
.side-bar{margin-top:18px}
.side-bar span{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}
.bar-track{height:8px;border-radius:999px;background:#fff;border:1px solid var(--line);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-3))}
/* ===================== 指标看板 ===================== */
.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;position:relative;overflow:hidden}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.24)}
.metric-card i.metric-icon{font-size:18px;color:var(--brand);width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(75,60,255,.09);margin-bottom:16px}
.metric-num{font-size:34px;font-weight:900;letter-spacing:-.02em;line-height:1.1;background:linear-gradient(100deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;-webkit-text-fill-color:var(--muted)}
.metric-label{font-size:14.5px;color:var(--ink-2);margin-top:8px;font-weight:600}
.metric-note{font-size:13px;color:var(--muted);margin-top:6px}
/* ===================== 题材矩阵 ===================== */
.matrix-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(139,92,246,.34)}
.matrix-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
.matrix-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;font-size:19px;color:#fff;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);box-shadow:0 10px 22px rgba(75,60,255,.26)}
.matrix-card:nth-child(2n) .matrix-icon{background:linear-gradient(135deg,#22c1c3 0%,#4b3cff 100%)}
.matrix-card h3{font-size:19px;margin-bottom:8px}
.matrix-card p{font-size:14.5px;color:var(--ink-2);flex:1}
.matrix-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
/* ===================== 挑片路径对比 ===================== */
.compare-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease}
.compare-card.is-feature{border-color:rgba(75,60,255,.4);box-shadow:0 18px 44px rgba(75,60,255,.16);background:linear-gradient(180deg,#ffffff 0%,#f7f7ff 100%)}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.compare-card h3{font-size:19px;margin:12px 0 6px}
.compare-card .compare-sub{font-size:14px;color:var(--muted);margin-bottom:18px}
.compare-rows li{display:flex;justify-content:space-between;gap:14px;font-size:14.2px;padding:11px 0;border-bottom:1px dashed var(--line)}
.compare-rows li:last-child{border-bottom:0}
.compare-rows span{color:var(--muted)}
.compare-rows b{color:var(--ink);font-weight:700;text-align:right}
/* ===================== 里程碑 ===================== */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(75,60,255,.5),rgba(34,193,195,.35),rgba(75,60,255,0))}
.timeline-item{position:relative;padding:0 0 30px 12px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-29px;top:8px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(75,60,255,.12)}
.timeline-item h3{font-size:17px;margin-bottom:6px}
.timeline-item p{font-size:14.5px;color:var(--ink-2)}
.timeline-when{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.04em;color:var(--brand);background:rgba(75,60,255,.09);border-radius:999px;padding:3px 12px;margin-bottom:10px}
.milestone-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow)}
.milestone-side{background:linear-gradient(160deg,#221a56 0%,#3a2c95 100%);border-radius:var(--radius-lg);padding:28px;color:#ded9ff}
.milestone-side h3{color:#fff;font-size:18px;margin-bottom:14px}
.milestone-side li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;padding:9px 0;color:#c9c4f2}
.milestone-side li i{color:#63f2c6;margin-top:5px;font-size:12px}
/* ===================== 资讯列表 ===================== */
.news-item{display:flex;gap:20px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.24)}
.news-thumb{flex:0 0 auto;width:72px;height:72px;border-radius:18px;display:grid;place-items:center;color:#fff;font-size:22px;background:linear-gradient(140deg,var(--brand) 0%,var(--brand-2) 100%)}
.news-item:nth-child(2n) .news-thumb{background:linear-gradient(140deg,#22c1c3 0%,#4b3cff 100%)}
.news-item:nth-child(3n) .news-thumb{background:linear-gradient(140deg,#ff7a45 0%,#8b5cf6 100%)}
.news-body h3{font-size:17.5px;margin-bottom:8px}
.news-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:12px}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
/* ===================== 平台保障 ===================== */
.guard-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:26px 24px;transition:transform .24s ease,background .24s ease,border-color .24s ease}
.guard-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.34)}
.guard-card i{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:18px;background:rgba(255,255,255,.14);color:#9df0d8;margin-bottom:16px}
.guard-card h3{font-size:17.5px;margin-bottom:9px}
.guard-card p{font-size:14.3px;color:#bdbbdb}
/* ===================== 快速解答 ===================== */
.quick-card{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:var(--radius);padding:22px 22px 22px 24px;box-shadow:var(--shadow-sm);height:100%;transition:box-shadow .22s ease,transform .22s ease}
.quick-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.quick-card h3{font-size:16.5px;margin-bottom:8px;display:flex;gap:9px;align-items:center}
.quick-card h3 i{color:var(--brand-2)}
.quick-card p{font-size:14.3px;color:var(--ink-2)}
/* ===================== FAQ ===================== */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item[open]{border-color:rgba(75,60,255,.34);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:17px;font-weight:700;color:var(--brand);background:rgba(75,60,255,.1);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14.6px;color:var(--ink-2)}
/* ===================== 订阅转化区 ===================== */
.subscribe-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow);padding:40px;display:grid;grid-template-columns:1fr 1.1fr;gap:40px;position:relative;overflow:hidden}
.subscribe-wrap::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--brand),var(--brand-3))}
.subscribe-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.subscribe-copy p{color:var(--ink-2);font-size:15px;margin-bottom:20px}
.subscribe-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.4px;color:var(--ink-2);padding:6px 0}
.subscribe-points i{color:var(--ok);margin-top:5px;font-size:13px}
.subscribe-form{background:linear-gradient(170deg,#f8f8ff 0%,#eef0ff 100%);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:block;margin-bottom:0}
.field span{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input,.field select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;font-size:14.5px;transition:border-color .22s ease,box-shadow .22s ease}
.field input:hover,.field select:hover{border-color:rgba(75,60,255,.35)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(75,60,255,.14)}
.subscribe-form .btn{margin-top:20px}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}
/* ===================== 页脚 ===================== */
.site-footer{background:radial-gradient(120% 130% at 8% 0%,#2c2170 0%,#1a1440 55%,#120e2c 100%);color:#b7b5d4;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{font-size:14.2px;color:#a9a7c9;max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14.2px;color:#b4b2d2}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13.2px;color:#9a98bc}
/* ===================== 响应式 ===================== */
@media (max-width:1024px){
 .channel-card{grid-template-columns:1fr;gap:26px;padding:30px}
 .subscribe-wrap{grid-template-columns:1fr;gap:28px;padding:30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .section{padding:60px 0}
}
@media (max-width:920px){
 .nav-burger{display:flex}
 .nav-menu{position:absolute;left:0;right:0;top:100%;display:none;flex-direction:column;align-items:stretch;gap:14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:18px 22px 24px}
 .nav-toggle:checked ~ .nav-menu{display:flex}
 .nav-list{flex-direction:column;align-items:stretch;gap:4px}
 .nav-list a{padding:12px 14px;border-radius:12px}
 .nav-menu .btn{width:100%}
 .topbar-text{display:none}
}
@media (max-width:768px){
 .channel-main{flex-direction:column;gap:20px}
 .avatar-mark{width:86px;height:86px;font-size:36px;border-radius:24px}
 .channel-info h1{font-size:24px}
 .form-grid{grid-template-columns:1fr}
 .news-item{flex-direction:column;gap:14px}
 .news-thumb{width:56px;height:56px;border-radius:15px;font-size:18px}
 .sec-head{margin-bottom:28px}
 .section{padding:50px 0}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 .channel-card{padding:24px 20px}
 .milestone-panel{padding:22px}
 .subscribe-wrap{padding:22px}
 .subscribe-form{padding:20px}
 .footer-grid{grid-template-columns:1fr}
 .metric-num{font-size:29px}
 .btn{padding:13px 22px;font-size:14.5px}
 .btn-lg{padding:15px 26px;font-size:15px}
 .topbar-badge{margin-left:0}
}

/* roulang page: category3 */
:root{
 --brand:#4b3cff;
 --brand-2:#8b5cf6;
 --brand-3:#22c1c3;
 --brand-dark:#221a56;
 --accent:#ff7a45;
 --accent-soft:#fff2ec;
 --ink:#161a2e;
 --ink-2:#414863;
 --muted:#6d7490;
 --line:#e6e8f4;
 --line-soft:#f0f2fa;
 --bg:#f6f7fc;
 --card:#ffffff;
 --ok:#12b886;
 --radius-xl:30px;
 --radius-lg:20px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(22,26,46,.06);
 --shadow:0 12px 34px rgba(22,26,46,.09);
 --shadow-lg:0 26px 64px rgba(22,26,46,.16);
 --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{margin:0 0 .6rem;font-weight:800;line-height:1.28;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(27px,3.9vw,44px)}
h2{font-size:clamp(23px,2.9vw,33px)}
h3{font-size:18px}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(75,60,255,.45);outline-offset:2px;border-radius:6px}
::selection{background:rgba(75,60,255,.18)}

/* ===== 布局容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px}
.section{padding:74px 0}
.section--tight{padding:52px 0}
.section--white{background:#fff}
.section--tint{background:linear-gradient(180deg,#f9faff 0%,#f2f3fb 100%)}
.section--dark{background:radial-gradient(120% 140% at 12% 0%,#33267a 0%,#1b1541 55%,#141029 100%);color:#e9e9f7}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark .sec-desc{color:#b9b8d6}
main{display:block}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-title{margin-bottom:14px}
.sec-desc{color:var(--muted);font-size:15.5px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:linear-gradient(120deg,rgba(75,60,255,.12),rgba(139,92,246,.16));color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#cdc8ff}
.title-line{display:inline-block;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 60%,var(--brand-3) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.accent-line{display:inline-block;background:linear-gradient(100deg,#ff9a63 0%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:15px;cursor:pointer;transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;text-align:center;line-height:1.2}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 26px rgba(75,60,255,.32)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(75,60,255,.4)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(75,60,255,.3)}
.btn-accent{background:linear-gradient(120deg,#ff8a5b 0%,var(--accent) 100%);color:#fff;box-shadow:0 12px 26px rgba(255,122,69,.3)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,122,69,.38)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(75,60,255,.28)}
.btn-outline:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:17px 36px;font-size:16px}
.btn-block{width:100%}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.badge-soft{background:var(--line-soft);color:var(--ink-2)}
.badge-brand{background:rgba(75,60,255,.1);color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#e05f26}
.badge-ok{background:rgba(18,184,134,.12);color:#0c8d67}
.badge-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);font-weight:600;transition:all .22s ease}
.chip:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-sm)}

/* ===== 顶部信息条 ===== */
.topbar{background:linear-gradient(100deg,#221a56 0%,#3b2e9e 55%,#4b3cff 100%);color:#dcd9ff;font-size:13.5px}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:42px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar-tag{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700}
.topbar-tag i{font-size:8px;color:#63f2c6}
.topbar-text{color:#c3bfff}
.topbar-badge{margin-left:auto;padding:3px 12px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-weight:700;font-size:12.5px}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60}
.navbar{position:relative;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 22px rgba(22,26,46,.05)}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.logo:hover{color:var(--ink)}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(130deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(75,60,255,.3)}
.logo-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-list a{position:relative;display:inline-block;padding:9px 15px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);transition:all .22s ease}
.nav-list a:hover{color:var(--brand);background:rgba(75,60,255,.07)}
.nav-list a.active{color:#fff;background:linear-gradient(120deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px rgba(75,60,255,.28)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);cursor:pointer;background:#fff;transition:all .22s ease}
.nav-burger span{display:block;width:20px;height:2px;margin:0 auto;border-radius:2px;background:var(--ink-2);transition:all .24s ease}
.nav-burger:hover{border-color:var(--brand)}
.nav-burger:hover span{background:var(--brand)}

/* ===== 首页 Hero：秒杀闪购条 ===== */
.hero-flash{padding:44px 0 70px;background:
 radial-gradient(80% 120% at 88% 4%,rgba(139,92,246,.22) 0%,rgba(139,92,246,0) 62%),
 radial-gradient(70% 110% at 6% 0%,rgba(75,60,255,.18) 0%,rgba(75,60,255,0) 58%),
 linear-gradient(180deg,#f8f9ff 0%,#f1f2fb 100%)}
.flash-strip{display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;padding:14px 22px;border-radius:var(--radius-lg);background:linear-gradient(100deg,#ff8a5b 0%,#ff5c8a 55%,#8b5cf6 100%);color:#fff;box-shadow:0 16px 34px rgba(255,92,138,.28);margin-bottom:30px}
.flash-left{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:15px}
.flash-left i{color:#ffe9a8}
.countdown{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px}
.countdown .label{color:rgba(255,255,255,.85)}
.count-unit{display:inline-block;min-width:40px;text-align:center;padding:4px 9px;border-radius:10px;background:rgba(255,255,255,.22);font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:.03em}
.flash-right{font-size:13.5px;font-weight:700;color:rgba(255,255,255,.92)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-sub{font-size:16.5px;color:var(--ink-2);max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stat b{display:block;font-size:24px;font-weight:900;color:var(--brand-dark);line-height:1.2}
.hero-stat span{font-size:13px;color:var(--muted)}
.pick-card{position:relative;background:#fff;border-radius:var(--radius-xl);padding:26px;box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden}
.pick-card::before{content:"";position:absolute;inset:0 0 auto;height:6px;background:linear-gradient(100deg,var(--brand) 0%,var(--brand-2) 50%,var(--accent) 100%)}
.pick-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.pick-card h3{font-size:21px;margin-bottom:8px}
.pick-note{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.pick-list{border-top:1px dashed var(--line);margin-bottom:18px}
.pick-row{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.pick-seq{flex:none;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(130deg,rgba(75,60,255,.12),rgba(139,92,246,.18));color:var(--brand);font-weight:900;font-size:14px}
.pick-main{flex:1;min-width:0}
.pick-main strong{display:block;font-size:15px;font-weight:700;color:var(--ink)}
.pick-main span{font-size:12.8px;color:var(--muted)}
.pick-meta{flex:none;font-size:12.5px;font-weight:700;color:var(--brand);background:rgba(75,60,255,.08);padding:4px 10px;border-radius:999px}
.pick-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:6px}
.pick-foot small{color:var(--muted);font-size:12.5px}

/* ===== 指标看板 ===== */
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;height:100%;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.24)}
.metric-ico{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:17px;color:#fff;background:linear-gradient(130deg,var(--brand),var(--brand-2));margin-bottom:14px}
.metric-ico.alt{background:linear-gradient(130deg,#ff9a63,var(--accent))}
.metric-ico.ok{background:linear-gradient(130deg,#28d3a2,#12b886)}
.metric-ico.cyan{background:linear-gradient(130deg,#4fd1d3,#22c1c3)}
.metric-num{font-size:30px;font-weight:900;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.metric-num small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px}
.metric-label{font-size:14px;font-weight:700;color:var(--ink-2);margin-top:6px}
.metric-desc{font-size:13px;color:var(--muted);margin-top:6px}

/* ===== 片单速览矩阵 ===== */
.matrix-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;height:100%;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;overflow:hidden}
.matrix-card::after{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 6px 6px;background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:0;transition:opacity .24s ease}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(75,60,255,.22)}
.matrix-card:hover::after{opacity:1}
.matrix-card h3{font-size:17.5px;margin-bottom:10px}
.matrix-card p{font-size:14.2px;color:var(--muted);margin-bottom:16px}
.matrix-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ===== 挑片方式对比 ===== */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-sm)}
.compare-col--good{border-color:rgba(75,60,255,.3);box-shadow:0 18px 40px rgba(75,60,255,.14);background:linear-gradient(180deg,#fbfbff 0%,#ffffff 60%)}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:6px}
.compare-col .col-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.compare-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2)}
.compare-item:last-child{border-bottom:0}
.compare-item i{flex:none;margin-top:4px;font-size:14px}
.compare-col--plain .compare-item i{color:#c8cbe0}
.compare-col--good .compare-item i{color:var(--ok)}
.compare-foot{margin-top:18px;padding:14px 16px;border-radius:var(--radius);background:var(--line-soft);font-size:13.5px;color:var(--ink-2)}
.compare-col--good .compare-foot{background:rgba(75,60,255,.08);color:var(--brand-dark);font-weight:600}

/* ===== 版本与画质时间线 ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand) 0%,var(--brand-2) 55%,rgba(34,193,195,.3) 100%);border-radius:2px}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-33px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(75,60,255,.12)}
.tl-stage{font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--brand);text-transform:uppercase;margin-bottom:4px}
.tl-item h3{font-size:18px;margin-bottom:8px}
.tl-item p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.tl-facts{display:flex;flex-wrap:wrap;gap:10px}

/* ===== 片单更新动态 ===== */
.news-list{border-top:1px solid var(--line)}
.news-item{display:flex;gap:20px;align-items:flex-start;padding:22px 4px;border-bottom:1px solid var(--line);transition:background .22s ease,transform .22s ease}
.news-item:hover{background:#fbfbff;transform:translateX(4px)}
.news-date{flex:none;width:112px;font-size:13px;font-weight:800;color:var(--brand);padding-top:3px;font-variant-numeric:tabular-nums}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:16.5px;margin-bottom:6px}
.news-body p{font-size:14px;color:var(--muted);margin:0}
.news-tag{flex:none;align-self:center}

/* ===== 平台保障 ===== */
.guard-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;height:100%;box-shadow:var(--shadow-sm);transition:transform .24s ease,box-shadow .24s ease}
.guard-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.guard-ico{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:17px;color:var(--brand);background:rgba(75,60,255,.1)}
.guard-card h3{font-size:16.5px;margin-bottom:6px}
.guard-card p{font-size:14px;color:var(--muted);margin:0}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.voice-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:22px;backdrop-filter:blur(4px)}
.voice-card p{font-size:14.5px;color:#ded9ff;margin-bottom:14px}
.voice-who{font-size:13px;color:#a9a3dd;font-weight:700}

/* ===== 快速解答 ===== */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quick-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-2);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
.quick-card h3{font-size:16px;margin-bottom:8px}
.quick-card p{font-size:14px;color:var(--muted);margin:0}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease}
.faq-item[open]{border-color:rgba(75,60,255,.3);box-shadow:var(--shadow)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:19px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand);transition:transform .24s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 24px 22px;font-size:14.6px;color:var(--ink-2);border-top:1px dashed var(--line);padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0}

/* ===== 转化表单 ===== */
.subscribe-card{border-radius:var(--radius-xl);padding:40px;background:radial-gradient(120% 160% at 8% 0%,#3a2ba4 0%,#241c60 52%,#171238 100%);color:#efeaff;box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.subscribe-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.subscribe-card p{color:#bdb6ea;font-size:15px}
.subscribe-list{display:grid;gap:10px;margin-top:18px}
.subscribe-list li{display:flex;gap:10px;font-size:14.5px;color:#ded9ff}
.subscribe-list i{color:#63f2c6;margin-top:5px}
.subscribe-form{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(6px)}
.subscribe-form label{display:block;font-size:13.5px;font-weight:700;color:#cdc8ff;margin-bottom:7px}
.subscribe-form input[type="email"],.subscribe-form select{width:100%;padding:13px 16px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.94);color:var(--ink);margin-bottom:16px;transition:border-color .22s ease,box-shadow .22s ease}
.subscribe-form input[type="email"]:focus,.subscribe-form select:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 4px rgba(34,193,195,.24)}
.form-note{font-size:13px;color:#a9a3dd;margin-top:12px}
.form-note.ok{color:#63f2c6;font-weight:700}

/* ===== 页脚 ===== */
.site-footer{background:#141029;color:#b6b3d6;padding:60px 0 26px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{color:#a5a2c8;font-size:14px;margin:0;max-width:340px}
.footer-col h3{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#a5a2c8;font-size:14px;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:#807da5}

/* ===== 响应式 ===== */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:30px}
 .subscribe-card{grid-template-columns:1fr;gap:26px;padding:32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .voice-grid,.quick-grid{grid-template-columns:1fr 1fr}
 .nav-menu{gap:18px}
 .nav-list a{padding:9px 12px;font-size:14.5px}
}
@media (max-width:900px){
 .nav-burger{display:flex}
 .nav-menu{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:14px;padding:18px 22px 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(22,26,46,.12);transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .24s ease}
 .nav-list{flex-direction:column;align-items:stretch;gap:4px}
 .nav-list a{display:block;padding:12px 14px;border-radius:12px}
 .nav-toggle:checked ~ .nav-menu{transform:translateY(0);opacity:1;visibility:visible}
 .nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
 .nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
 .nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section--tight{padding:42px 0}
 .compare-wrap{grid-template-columns:1fr}
 .voice-grid,.quick-grid{grid-template-columns:1fr}
 .news-item{flex-direction:column;gap:8px}
 .news-date{width:auto}
 .news-tag{align-self:flex-start}
 .flash-strip{padding:14px 16px}
 .pick-card{padding:22px}
 .metric-num{font-size:26px}
 .hero-stats{gap:20px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .subscribe-form{padding:20px}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 .logo-text{font-size:17px}
 .hero-actions .btn{width:100%}
 .hero-stat b{font-size:21px}
 .countdown{gap:6px;font-size:13px}
 .count-unit{min-width:34px;padding:3px 7px}
 .flash-right{display:none}
 .topbar-text{display:none}
 .subscribe-card{padding:24px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-answer{margin:0 18px 18px}
}