/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#ff3d5a;
  --brand-dark:#e02444;
  --brand-soft:#fff1f4;
  --brand-line:#ffd2dc;
  --ink:#141621;
  --ink-2:#2a2e63;
  --ink-3:#3b407a;
  --bg:#f5f6fa;
  --surface:#ffffff;
  --surface-2:#fafbff;
  --line:#e5e7f1;
  --line-strong:#d5d9e8;
  --text:#1b1d29;
  --muted:#6c7186;
  --muted-2:#8d92a6;
  --ok:#12b886;
  --warn:#f59f00;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:22px;
  --radius-xl:30px;
  --shadow-xs:0 1px 3px rgba(20,22,33,.05);
  --shadow-sm:0 4px 14px rgba(20,22,33,.07);
  --shadow:0 12px 34px rgba(20,22,33,.10);
  --shadow-lg:0 26px 64px rgba(20,22,33,.16);
  --sp-1:8px; --sp-2:14px; --sp-3:22px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han 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(--ff);
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:3px solid rgba(255,61,90,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:#fff}
/* ============ 容器 ============ */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:900px}
/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.brand-row{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#ff8a5c);
  color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(255,61,90,.32);
  letter-spacing:-1px;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--brand)}
.brand-tag{
  font-size:12px;color:var(--muted);border-left:1px solid var(--line);
  padding-left:14px;margin-left:2px;line-height:1.4;
}
.top-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:999px;padding:7px 8px 7px 16px;min-width:250px;
  transition:border-color .2s,box-shadow .2s;
}
.top-search:focus-within{border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(255,61,90,.10)}
.top-search input{flex:1;border:none;background:none;outline:none;font-size:14px;min-width:0}
.top-search input::placeholder{color:var(--muted-2)}
.top-search button{
  background:var(--ink);color:#fff;border-radius:999px;
  padding:6px 15px;font-size:13px;font-weight:600;transition:background .2s,transform .2s;
}
.top-search button:hover{background:var(--brand);transform:translateY(-1px)}
.nav-toggle{
  margin-left:auto;display:none;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}
.channel-row{border-top:1px solid var(--line);background:#fff}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;flex-shrink:0;
  padding:13px 16px;font-size:15px;font-weight:600;color:var(--muted);
  border-radius:10px;transition:color .2s,background .2s;
}
.channel-nav a:hover{color:var(--ink);background:var(--surface-2)}
.channel-nav a.is-active{color:var(--brand)}
.channel-nav a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);
}
.channel-nav .nav-cta{margin-left:auto}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 16px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.is-active{color:var(--brand)}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;letter-spacing:.2px;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,61,90,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,90,.36)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
/* ============ 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:600;
  background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);
}
.badge-ink{background:#eef0f8;color:var(--ink-2);border-color:#e0e3f0}
.badge-ok{background:#e8faf3;color:#0b8a63;border-color:#c8f0e2}
.badge-warn{background:#fff8e6;color:#a06b00;border-color:#ffe4ab}
.tag{
  display:inline-block;padding:3px 10px;border-radius:8px;
  font-size:12px;font-weight:600;background:#f1f3fa;color:var(--muted);
}
/* ============ 板块基础 ============ */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-dark{background:var(--ink);color:#fff}
.section-dark .sec-title,.section-dark h3{color:#fff}
.section-dark .sec-desc,.section-dark p{color:rgba(255,255,255,.72)}
.section-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
.sec-head--stack{flex-direction:column;align-items:flex-start;gap:14px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1.6px;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(22px,2.9vw,33px);line-height:1.35;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.sec-desc{max-width:660px;color:var(--muted);font-size:15.5px;margin-top:12px}
/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -12%,rgba(255,61,90,.16),transparent 62%),
    radial-gradient(700px 380px at 4% 110%,rgba(42,46,99,.10),transparent 60%),
    #fff;
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:52px;align-items:center}
.hero-kicker{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero h1{
  font-size:clamp(28px,4.3vw,46px);
  line-height:1.24;font-weight:900;letter-spacing:-1px;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-sub{
  margin-top:18px;font-size:clamp(16px,1.7vw,19px);font-weight:600;
  color:var(--ink-2);line-height:1.6;
}
.hero-lead{margin-top:16px;color:var(--muted);font-size:15.5px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted-2)}
.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:26px;box-shadow:var(--shadow-lg);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.hero-panel-head strong{font-size:16px;color:var(--ink)}
.mini-bars{display:grid;gap:14px}
.mini-bar-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:7px}
.mini-bar-label b{color:var(--ink);font-weight:700}
.progress{height:10px;border-radius:999px;background:#eceef7;overflow:hidden}
.progress > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#ff9166);transition:width .6s ease}
.progress--ok > span{background:linear-gradient(90deg,#12b886,#59d2a4)}
.progress--ink > span{background:linear-gradient(90deg,var(--ink-2),#6d74c9)}
/* ============ 数据条 ============ */
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.stat-item{background:#fff;padding:26px 22px;text-align:left}
.stat-num{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-1px;color:var(--ink);line-height:1.2}
.stat-num small{font-size:15px;font-weight:700;color:var(--brand);margin-left:3px}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted)}
/* ============ 前后对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-panel{
  border-radius:var(--radius-lg);padding:30px;border:1px solid var(--line);
  background:#fff;transition:transform .25s,box-shadow .25s;
}
.compare-panel:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.compare-panel--before{background:linear-gradient(180deg,#f7f8fd,#eff1f9)}
.compare-panel--after{background:linear-gradient(180deg,#fff5f7,#ffe9ef);border-color:var(--brand-line)}
.compare-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.compare-head h3{font-size:19px;font-weight:800;color:var(--ink)}
.compare-list{display:grid;gap:12px}
.compare-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--muted);line-height:1.7;
}
.compare-panel--before .compare-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:#c3c8dc;
}
.compare-panel--after .compare-list li{color:#8a3a4a}
.compare-panel--after .compare-list li::before{
  content:"✓";position:absolute;left:0;top:-1px;font-size:14px;font-weight:800;color:var(--brand);
}
/* ============ 卡片通用 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;font-weight:800;margin-bottom:16px;
}
.card h3{font-size:17.5px;font-weight:800;color:var(--ink);margin-bottom:10px;line-height:1.45}
.card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-index{
  font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--brand);margin-bottom:10px;display:block;
}
/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.step{padding:30px 26px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:none}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--brand);margin-bottom:14px;display:block;
}
.step h3{font-size:17px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.step p{font-size:14px;color:var(--muted);line-height:1.78}
/* ============ 进度模块 ============ */
.progress-board{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-sm);
}
.task-list{display:grid;gap:12px;margin-top:20px}
.task{
  display:flex;align-items:center;gap:14px;padding:14px 18px;border-radius:14px;
  background:var(--surface-2);border:1px solid var(--line);transition:border-color .2s,background .2s;
}
.task:hover{border-color:var(--brand-line);background:#fff}
.task-dot{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;flex-shrink:0;
}
.task-dot.done{background:#e8faf3;color:#0b8a63}
.task-dot.doing{background:#fff4e6;color:#b87400}
.task-dot.todo{background:#eef0f8;color:var(--muted-2)}
.task-body{flex:1;min-width:0}
.task-body strong{display:block;font-size:14.8px;color:var(--ink)}
.task-body span{font-size:12.8px;color:var(--muted-2)}
.reward-box{
  border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,var(--ink),#333a7e);color:#fff;
  display:flex;flex-direction:column;gap:14px;
}
.reward-box h3{font-size:18px;font-weight:800;color:#fff}
.reward-box p{font-size:14px;color:rgba(255,255,255,.74);line-height:1.8}
.reward-list{display:grid;gap:10px;margin-top:2px}
.reward-list li{font-size:14px;color:rgba(255,255,255,.88);padding-left:22px;position:relative}
.reward-list li::before{content:"★";position:absolute;left:0;top:0;color:#ffb26b;font-size:13px}
/* ============ 邀请 ============ */
.invite-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px;align-items:stretch;
}
.invite-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;
  transition:transform .25s,box-shadow .25s;
}
.invite-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.invite-progress{margin:20px 0 8px}
.invite-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.invite-meta b{color:var(--brand);font-weight:800}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.share-chip{
  padding:9px 16px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--ink-2);transition:all .2s;
}
.share-chip:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-dark);transform:translateY(-2px)}
/* ============ 排行榜 ============ */
.rank-list{display:grid;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:18px;padding:16px 22px;background:#fff;
  border:1px solid var(--line);border-radius:16px;transition:transform .22s,box-shadow .22s,border-color .22s;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:var(--line-strong)}
.rank-no{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  font-weight:800;font-size:14px;background:#eef0f8;color:var(--muted);
}
.rank-item:nth-child(-n+3) .rank-no{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(255,61,90,.28)}
.rank-main{flex:1;min-width:0}
.rank-main strong{display:block;font-size:15.5px;color:var(--ink);font-weight:700}
.rank-main span{font-size:13px;color:var(--muted-2)}
.rank-score{font-size:16px;font-weight:800;color:var(--brand);flex-shrink:0}
.rank-score small{font-size:11.5px;color:var(--muted-2);font-weight:600;margin-left:3px}
/* ============ 评价墙 ============ */
.score-panel{
  display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;
}
.score-big{font-size:58px;font-weight:900;line-height:1;color:var(--ink);letter-spacing:-2px}
.score-big small{font-size:19px;color:var(--muted-2);font-weight:700;letter-spacing:0}
.score-stars{margin:10px 0 8px;font-size:16px;color:#ffb020;letter-spacing:2px}
.score-note{font-size:13.5px;color:var(--muted)}
.score-facts{display:grid;gap:10px;margin-top:20px}
.score-facts li{font-size:13.5px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;border-top:1px dashed var(--line);padding-top:9px}
.score-facts li b{color:var(--ink);font-weight:700}
.voice-list{display:grid;gap:16px}
.voice{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;
  transition:background .2s,border-color .2s,transform .2s;
}
.voice:hover{background:#fff;border-color:var(--brand-line);transform:translateY(-3px)}
.voice p{font-size:14.6px;color:var(--ink-2);line-height:1.85}
.voice-by{margin-top:12px;font-size:13px;color:var(--muted-2);display:flex;align-items:center;gap:8px}
.voice-by b{color:var(--ink);font-weight:700}
/* ============ 竖屏口碑墙 ============ */
.reel-track{
  display:grid;grid-auto-flow:column;grid-auto-columns:210px;gap:16px;
  overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.reel-track::-webkit-scrollbar{height:8px}
.reel-track::-webkit-scrollbar-thumb{background:#d9dcea;border-radius:8px}
.reel{
  position:relative;aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:16px;color:#fff;scroll-snap-align:start;
  transition:transform .25s,box-shadow .25s;
}
.reel:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.reel-1{background:linear-gradient(165deg,#ff3d5a,#ff8a5c 70%,#ffc48a)}
.reel-2{background:linear-gradient(165deg,#2a2e63,#4d54a8 65%,#7c86e0)}
.reel-3{background:linear-gradient(165deg,#0f9b8e,#3ec6a8 70%,#a5e8d5)}
.reel-4{background:linear-gradient(165deg,#3c2a63,#7b4bb5 70%,#c69ae8)}
.reel-badge{
  position:absolute;top:14px;left:14px;font-size:12px;font-weight:700;
  background:rgba(255,255,255,.22);backdrop-filter:blur(6px);
  padding:4px 10px;border-radius:999px;
}
.reel-play{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--ink);display:grid;place-items:center;
  font-size:12px;font-weight:900;
}
.reel h3{font-size:15.5px;font-weight:800;line-height:1.45;color:#fff}
.reel p{font-size:12.6px;color:rgba(255,255,255,.85);margin-top:8px;line-height:1.6}
.reel-time{margin-top:10px;font-size:12px;color:rgba(255,255,255,.75);font-weight:600}
/* ============ 工具演示台 ============ */
.demo{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:28px;align-items:start}
.demo-steps{display:grid;gap:14px}
.demo-step{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);transition:border-color .2s,transform .2s;
}
.demo-step:hover{border-color:var(--brand-line);transform:translateX(4px)}
.demo-step-no{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:14px;
}
.demo-step h3{font-size:15.5px;font-weight:800;color:var(--ink);margin-bottom:4px}
.demo-step p{font-size:13.8px;color:var(--muted);line-height:1.75}
.demo-view{
  background:linear-gradient(170deg,#1a1d33,#2b3070);border-radius:var(--radius-lg);
  padding:26px;color:#fff;box-shadow:var(--shadow-lg);
}
.demo-view-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.demo-view-head strong{font-size:15px}
.demo-view-head span{font-size:12px;color:rgba(255,255,255,.6);background:rgba(255,255,255,.1);padding:4px 11px;border-radius:999px}
.demo-rows{display:grid;gap:11px}
.demo-row{
  display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:13px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  transition:background .2s,transform .2s;
}
.demo-row:hover{background:rgba(255,255,255,.14);transform:translateX(3px)}
.demo-row-dot{width:8px;height:8px;border-radius:50%;background:#ff8a5c;flex-shrink:0}
.demo-row-dot.g{background:#3ec6a8}
.demo-row-dot.b{background:#8b9bff}
.demo-row-body{flex:1;min-width:0}
.demo-row-body strong{display:block;font-size:13.8px;font-weight:700;color:#fff}
.demo-row-body span{font-size:12px;color:rgba(255,255,255,.58)}
.demo-row em{font-size:12px;font-style:normal;color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);padding:3px 9px;border-radius:8px}
.demo-foot{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.6);text-align:center}
/* ============ 试用 / 权益 ============ */
.trial{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm);
}
.benefit-list{display:grid;gap:12px;margin-top:18px}
.benefit-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14.6px;color:var(--ink-2);
  padding:13px 16px;background:var(--surface-2);border:1px solid var(--line);border-radius:13px;
}
.benefit-list li::before{content:"✓";color:var(--ok);font-weight:900;flex-shrink:0}
.trial-side{
  background:linear-gradient(160deg,#fff1f4,#ffe3ea);border:1px solid var(--brand-line);
  border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px;
}
.trial-side h3{font-size:18px;font-weight:800;color:var(--ink)}
.trial-side p{font-size:14px;color:#8a4a58;line-height:1.8}
.trial-side .btn{align-self:flex-start}
/* ============ 频道矩阵 ============ */
.channel-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:0;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.channel-card-top{
  height:104px;display:flex;align-items:flex-end;padding:18px 22px;
}
.channel-card-top.c1{background:linear-gradient(135deg,#ff3d5a,#ff9166)}
.channel-card-top.c2{background:linear-gradient(135deg,#2a2e63,#5b63b8)}
.channel-card-top.c3{background:linear-gradient(135deg,#0f9b8e,#5ad3b4)}
.channel-card-top span{color:#fff;font-size:13px;font-weight:700;letter-spacing:1.4px;opacity:.92}
.channel-card-body{padding:22px}
.channel-card-body h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px}
.channel-card-body p{font-size:14.2px;color:var(--muted);line-height:1.8}
.channel-card-foot{
  margin-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted-2);
}
.channel-card-foot b{color:var(--brand);font-weight:700}
/* ============ 专题卡片 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s,box-shadow .25s;
}
.topic:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.topic-cover{height:132px;position:relative;display:flex;align-items:flex-start;justify-content:space-between;padding:14px}
.topic-cover.g1{background:linear-gradient(140deg,#ffd0da,#ff8a5c)}
.topic-cover.g2{background:linear-gradient(140deg,#c9cffc,#6d74c9)}
.topic-cover.g3{background:linear-gradient(140deg,#bff0e2,#3ec6a8)}
.topic-cover.g4{background:linear-gradient(140deg,#ffe6b8,#f59f00)}
.topic-cover.g5{background:linear-gradient(140deg,#d9ccf7,#7b4bb5)}
.topic-cover.g6{background:linear-gradient(140deg,#ffd8cf,#e02444)}
.topic-body{padding:20px 22px 24px}
.topic-body h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:8px;line-height:1.5}
.topic-body p{font-size:13.8px;color:var(--muted);line-height:1.78}
.topic-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted-2)}
/* ============ 资讯列表 ============ */
.news-list{display:grid;gap:14px}
.news-item{
  display:flex;align-items:center;gap:20px;padding:20px 24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--brand-line)}
.news-time{
  flex-shrink:0;min-width:78px;font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border-radius:10px;padding:7px 10px;text-align:center;
}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.news-body p{margin-top:6px;font-size:13.6px;color:var(--muted);line-height:1.7}
.news-arrow{font-size:18px;color:var(--muted-2);flex-shrink:0;transition:transform .2s,color .2s}
.news-item:hover .news-arrow{transform:translateX(4px);color:var(--brand)}
/* ============ 人群矩阵 ============ */
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.audience{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  border-top:3px solid var(--brand);transition:transform .25s,box-shadow .25s;
}
.audience:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.audience h3{font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:10px}
.audience p{font-size:14px;color:var(--muted);line-height:1.8}
.audience .tag{margin-top:14px}
/* ============ 保障条 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard{
  display:flex;gap:14px;align-items:flex-start;padding:22px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  transition:background .25s,transform .25s;
}
.guard:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.guard-icon{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,61,90,.22);color:#ff9aae;font-size:16px;font-weight:800;
}
.guard h3{font-size:15.5px;font-weight:800;color:#fff;margin-bottom:6px}
.guard p{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.75}
/* ============ 订阅 ============ */
.subscribe{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm);
}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1;min-width:200px;padding:14px 20px;border-radius:999px;
  border:1px solid var(--line-strong);background:var(--surface-2);outline:none;font-size:14.5px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.subscribe-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,61,90,.10)}
.privacy-note{margin-top:12px;font-size:12.6px;color:var(--muted-2)}
.subscribe-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
/* ============ 收口 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:52px 46px;
  background:
    radial-gradient(600px 300px at 90% 10%,rgba(255,61,90,.42),transparent 65%),
    radial-gradient(500px 280px at 5% 95%,rgba(90,211,180,.26),transparent 60%),
    linear-gradient(150deg,#1a1d33,#2b3070);
  color:#fff;
}
.cta-band h2{font-size:clamp(23px,3vw,34px);font-weight:900;letter-spacing:-.6px;line-height:1.35;color:#fff}
.cta-band p{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.78);max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:rgba(255,255,255,.66)}
.cta-meta span{display:flex;align-items:center;gap:8px}
.cta-meta span::before{content:"●";color:#5ad3b4;font-size:9px}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:60px 0 30px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:#ff7d92}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s,transform .2s;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}
/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-panel{max-width:640px}
  .grid-4,.stat-bar,.audience-grid,.guard-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .steps{border-radius:var(--radius-lg)}
  .step:nth-child(2){border-right:none}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .grid-3,.channel-wall,.topic-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:880px){
  .top-search{display:none}
  .brand-tag{display:none}
  .nav-toggle{display:inline-flex}
  .progress-board,.score-panel,.demo,.trial,.subscribe,.invite-wrap{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero{padding:44px 0 54px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .grid-2,.grid-3,.channel-wall,.topic-grid{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .audience-grid,.guard-grid{grid-template-columns:1fr}
  .cta-band{padding:38px 24px}
  .reel-track{grid-auto-columns:180px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px;letter-spacing:-.6px}
  .steps{grid-template-columns:1fr}
  .step{border-right:none;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:none}
  .stat-bar{grid-template-columns:1fr}
  .stat-item{padding:20px}
  .news-item{flex-direction:column;align-items:flex-start;gap:12px}
  .news-time{min-width:0}
  .rank-item{gap:12px;padding:14px 16px}
  .rank-score{font-size:15px}
  .hero-panel{padding:20px}
  .progress-board,.score-panel,.trial,.subscribe,.invite-card,.demo-view{padding:22px}
  .footer-top{grid-template-columns:1fr}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
 --brand:#ff3d5a;
 --brand-dark:#e02444;
 --brand-soft:#fff1f4;
 --brand-line:#ffd2dc;
 --ink:#141621;
 --ink-2:#2a2e63;
 --ink-3:#3b407a;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --surface-2:#fafbff;
 --line:#e5e7f1;
 --line-strong:#d5d9e8;
 --text:#1b1d29;
 --muted:#6c7186;
 --muted-2:#8d92a6;
 --ok:#12b886;
 --warn:#f59f00;
 --radius-xs:8px;
 --radius-sm:12px;
 --radius:16px;
 --radius-lg:22px;
 --radius-xl:30px;
 --shadow-xs:0 1px 3px rgba(20,22,33,.05);
 --shadow-sm:0 4px 14px rgba(20,22,33,.07);
 --shadow:0 12px 34px rgba(20,22,33,.10);
 --shadow-lg:0 26px 64px rgba(20,22,33,.16);
 --sp-1:8px; --sp-2:14px; --sp-3:22px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* roulang page: category2 */
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--ff);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,61,90,.45);outline-offset:2px;border-radius:8px}
::selection{background:var(--brand);color:#fff}
/* ============ 容器 ============ */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:900px}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
}
.brand-row{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:38px;height:38px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand),#ff8a5c);
 color:#fff;font-weight:800;font-size:17px;
 display:grid;place-items:center;
 box-shadow:0 6px 16px rgba(255,61,90,.32);
 letter-spacing:-1px;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--brand)}
.brand-tag{
 font-size:12px;color:var(--muted);border-left:1px solid var(--line);
 padding-left:14px;margin-left:2px;line-height:1.4;
}
.top-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid var(--line);
 border-radius:999px;padding:7px 8px 7px 16px;min-width:250px;
 transition:border-color .2s,box-shadow .2s;
}
.top-search:focus-within{border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(255,61,90,.10)}
.top-search input{flex:1;border:none;background:none;outline:none;font-size:14px;min-width:0}
.top-search input::placeholder{color:var(--muted-2)}
.top-search button{
 background:var(--ink);color:#fff;border-radius:999px;
 padding:6px 15px;font-size:13px;font-weight:600;transition:background .2s,transform .2s;
}
.top-search button:hover{background:var(--brand);transform:translateY(-1px)}
.nav-toggle{
 margin-left:auto;display:none;align-items:center;gap:8px;
 border:1px solid var(--line);background:#fff;border-radius:999px;
 padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}
.nav-toggle i{display:block;width:16px;height:2px;background:currentColor;position:relative}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor}
.nav-toggle i::before{top:-5px}
.nav-toggle i::after{top:5px}
.channel-row{border-top:1px solid var(--line);background:#fff}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
 position:relative;flex-shrink:0;
 padding:13px 16px;font-size:15px;font-weight:600;color:var(--muted);
 border-radius:10px;transition:color .2s,background .2s;
}
.channel-nav a:hover{color:var(--ink);background:var(--surface-2)}
.channel-nav a.is-active{color:var(--brand)}
.channel-nav a.is-active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
 border-radius:3px;background:var(--brand);
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 16px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.is-active{color:var(--brand)}
/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;letter-spacing:.2px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,61,90,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,90,.36)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
/* ============ 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:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);
}
.badge-ink{background:#eef0f8;color:var(--ink-2);border-color:#e0e3f0}
.badge-ok{background:#e8faf3;color:#0b8a63;border-color:#c8f0e2}
.badge-warn{background:#fff8e6;color:#a06b00;border-color:#ffe4ab}
.tag{
 display:inline-block;padding:3px 10px;border-radius:8px;
 font-size:12px;font-weight:600;background:#f1f3fa;color:var(--muted);
}
/* ============ 板块基础 ============ */
.section{padding:74px 0}
.section-tight{padding:52px 0}
.section-dark{background:var(--ink);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px}
.section-head-inline{
 display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
 flex-wrap:wrap;margin-bottom:32px;
}
.section-head-inline h2{font-size:30px;margin-bottom:10px}
.section-head-inline p{color:var(--muted);font-size:15.5px;max-width:620px}
/* ============ 分类页首屏 ============ */
.page-hero{
 position:relative;padding:52px 0 68px;border-bottom:1px solid var(--line);
 background:
  radial-gradient(900px 400px at 10% -12%, #ffe5ec 0%, rgba(255,229,236,0) 62%),
  radial-gradient(780px 380px at 94% -6%, #e6ebff 0%, rgba(230,235,255,0) 64%),
  var(--bg);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:26px}
.hero-head{max-width:790px}
.hero-head h1{font-size:40px;line-height:1.24;margin:18px 0 16px;letter-spacing:-1px}
.hero-lead{font-size:16.5px;color:#454a63;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-foot{
 display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;
 padding-top:20px;border-top:1px dashed var(--line-strong);
 color:var(--muted);font-size:13.5px;
}
.hero-foot span{display:inline-flex;align-items:center;gap:8px}
.hero-foot b{color:var(--ink);font-size:15px}
/* ============ 前后对比 ============ */
.compare{display:grid;grid-template-columns:1fr 58px 1fr;gap:0;align-items:stretch;margin-top:44px}
.compare-col{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 28px 24px;box-shadow:var(--shadow-sm);
 transition:transform .24s,box-shadow .24s,border-color .24s;
}
.compare-col:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-hint{color:var(--muted);font-size:13.5px;display:block}
.compare-list{margin-top:16px;display:grid;gap:2px}
.compare-list li{
 position:relative;padding:10px 0 10px 30px;
 font-size:14.5px;border-bottom:1px dashed var(--line);color:#3a3f55;
}
.compare-list li:last-child{border-bottom:none}
.compare-list li::before{
 content:"";position:absolute;left:0;top:17px;width:14px;height:14px;border-radius:50%;
}
.compare-before .compare-list li::before{background:#eef0f8;box-shadow:inset 0 0 0 2px var(--line-strong)}
.compare-after{border-color:var(--brand-line);box-shadow:var(--shadow)}
.compare-after .compare-list li::before{background:var(--brand);box-shadow:0 0 0 4px rgba(255,61,90,.12)}
.compare-arrow{display:grid;place-items:center;color:var(--brand);font-size:20px;font-weight:800}
/* ============ 频道速览条 ============ */
.chip-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{
 flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
 padding:10px 18px;border-radius:999px;background:#fff;
 border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--muted);
 transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.chip:hover{color:var(--brand-dark);border-color:var(--brand-line);background:var(--brand-soft);transform:translateY(-2px)}
.chip b{color:var(--ink);font-weight:800}
/* ============ 专题矩阵 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic-card{
 display:flex;flex-direction:column;gap:10px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px 20px;
 transition:transform .24s,box-shadow .24s,border-color .24s;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.topic-card .idx{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1.4px}
.topic-card h3{font-size:17.5px}
.topic-card p{font-size:14px;color:var(--muted);flex:1}
.topic-meta{
 display:flex;flex-wrap:wrap;gap:8px;
 margin-top:12px;padding-top:14px;border-top:1px solid var(--line);
 font-size:12.5px;color:var(--muted-2);
}
.topic-meta .tag{background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
/* ============ 深度精选 ============ */
.feature-row{
 display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px;margin-bottom:20px;
 transition:box-shadow .24s,border-color .24s,transform .24s;
}
.feature-row:hover{box-shadow:var(--shadow);border-color:var(--line-strong);transform:translateY(-2px)}
.feature-row.reverse .feature-media{order:2}
.feature-media{
 border-radius:var(--radius);min-height:196px;
 background:linear-gradient(140deg,#ffe7ed 0%,#eef1ff 100%);
 display:grid;place-items:center;gap:6px;text-align:center;padding:22px;
 border:1px solid var(--line);
}
.feature-media strong{font-size:26px;color:var(--brand-dark);letter-spacing:-1px}
.feature-media em{font-style:normal;font-size:13px;color:var(--ink-3)}
.feature-body h3{font-size:21px;margin-bottom:12px}
.feature-body p{color:var(--muted);font-size:14.8px}
.feature-points{margin-top:16px;display:grid;gap:10px}
.feature-points li{position:relative;padding-left:24px;font-size:14.2px;color:#3a3f55}
.feature-points li::before{
 content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;border-radius:3px;
 background:var(--brand);transform:rotate(45deg);
}
.feature-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;align-items:center;font-size:13px;color:var(--muted-2)}
/* ============ 热度榜 ============ */
.rank-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs)}
.rank-item{
 display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:18px;align-items:center;
 padding:18px 24px;border-bottom:1px solid var(--line);
 transition:background .2s;position:relative;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--surface-2)}
.rank-no{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:15px;background:#f1f3fa;color:var(--ink-2);
}
.rank-no.is-top{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(255,61,90,.28)}
.rank-main h3{font-size:16.5px;margin-bottom:6px}
.rank-main p{font-size:13.5px;color:var(--muted)}
.rank-bar{height:6px;border-radius:999px;background:#eef0f8;overflow:hidden;margin-top:10px;max-width:420px}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#ff8a5c)}
.rank-value{text-align:right;font-size:13px;color:var(--muted-2);white-space:nowrap}
.rank-value b{display:block;font-size:19px;color:var(--ink);font-weight:800;letter-spacing:-.5px}
/* ============ 数据观察 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;transition:transform .24s,box-shadow .24s;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.stat strong{display:block;font-size:32px;font-weight:800;letter-spacing:-1.2px;color:var(--brand);line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:14.5px;font-weight:700;color:var(--ink)}
.stat em{display:block;font-style:normal;font-size:13px;color:var(--muted-2);margin-top:4px}
/* ============ 读者反馈 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{
 display:flex;flex-direction:column;gap:16px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;transition:transform .24s,box-shadow .24s,border-color .24s;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.quote-card p{font-size:14.8px;color:#3a3f55}
.who{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
 width:38px;height:38px;border-radius:50%;flex-shrink:0;
 background:var(--brand-soft);color:var(--brand-dark);
 display:grid;place-items:center;font-weight:800;font-size:15px;
}
.who div{font-size:13px;color:var(--muted);line-height:1.5}
.who b{display:block;color:var(--ink);font-size:14px}
/* ============ 收口 CTA ============ */
.cta-band{
 background:linear-gradient(135deg,#191b2b 0%,#2a2e63 100%);
 color:#fff;border-radius:var(--radius-xl);padding:46px;
 display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:14px}
.cta-band p{color:#c3c7dd;font-size:15px;max-width:520px}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.subscribe-form input{
 flex:1 1 220px;min-width:0;
 border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
 color:#fff;border-radius:999px;padding:13px 20px;font-size:14.5px;outline:none;
 transition:border-color .2s,box-shadow .2s,background .2s;
}
.subscribe-form input::placeholder{color:#a6abc6}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,61,90,.22);background:rgba(255,255,255,.13)}
.cta-panel{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:24px;
}
.cta-panel h3{font-size:16px;color:#fff;margin-bottom:14px}
.cta-panel li{
 display:flex;justify-content:space-between;gap:12px;
 padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.16);
 font-size:14px;color:#c9cce0;
}
.cta-panel li:last-child{border-bottom:none}
.cta-panel li b{color:#fff;font-weight:700}
/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:380px}
.footer-col h3{font-size:14.5px;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 border-top:1px solid var(--line);margin-top:38px;padding-top:20px;
 color:var(--muted-2);font-size:13px;
}
.footer-bottom a{color:var(--muted);transition:color .2s}
.footer-bottom a:hover{color:var(--brand)}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-head h1{font-size:34px}
 .compare{grid-template-columns:1fr;gap:16px}
 .compare-arrow{display:none}
 .topic-grid{grid-template-columns:repeat(2,1fr)}
 .feature-row{grid-template-columns:1fr;gap:22px}
 .feature-row.reverse .feature-media{order:0}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .quote-grid{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr;padding:36px}
 .footer-top{grid-template-columns:1fr 1fr}
 .section{padding:58px 0}
 .section-head h2,.section-head-inline h2,.cta-band h2{font-size:26px}
}
@media (max-width:768px){
 .top-search{display:none}
 .nav-toggle{display:inline-flex}
 .channel-row{display:none}
 .brand-tag{display:none}
 .hero-head h1{font-size:29px}
 .page-hero{padding:36px 0 48px}
 .section{padding:48px 0}
 .rank-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:16px 18px}
 .rank-value{grid-column:2;text-align:left}
 .rank-value b{display:inline;font-size:15px;margin-right:6px}
 .cta-band{padding:28px;border-radius:var(--radius-lg)}
 .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-head h1{font-size:25px}
 .hero-lead{font-size:15.5px}
 .btn{width:100%;padding:13px 20px}
 .hero-actions{gap:10px}
 .topic-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:1fr}
 .compare-col{padding:22px 18px}
 .feature-row{padding:18px}
 .subscribe-form input{flex:1 1 100%}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
/* roulang page: category1 */
:root{
 --brand:#ff3d5a;
 --brand-dark:#e02444;
 --brand-soft:#fff1f4;
 --brand-line:#ffd2dc;
 --ink:#141621;
 --ink-2:#2a2e63;
 --ink-3:#3b407a;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --surface-2:#fafbff;
 --line:#e5e7f1;
 --line-strong:#d5d9e8;
 --text:#1b1d29;
 --muted:#6c7186;
 --muted-2:#8d92a6;
 --ok:#12b886;
 --warn:#f59f00;
 --radius-xs:8px;
 --radius-sm:12px;
 --radius:16px;
 --radius-lg:22px;
 --radius-xl:30px;
 --shadow-xs:0 1px 3px rgba(20,22,33,.05);
 --shadow-sm:0 4px 14px rgba(20,22,33,.07);
 --shadow:0 12px 34px rgba(20,22,33,.10);
 --shadow-lg:0 26px 64px rgba(20,22,33,.16);
 --sp-1:8px; --sp-2:14px; --sp-3:22px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han 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(--ff);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,61,90,.45);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:#fff}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:900px}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
}
.brand-row{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:38px;height:38px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand),#ff8a5c);
 color:#fff;font-weight:800;font-size:17px;
 display:grid;place-items:center;
 box-shadow:0 6px 16px rgba(255,61,90,.32);
 letter-spacing:-1px;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--brand)}
.brand-tag{
 font-size:12px;color:var(--muted);border-left:1px solid var(--line);
 padding-left:14px;margin-left:2px;line-height:1.4;
}
.top-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid var(--line);
 border-radius:999px;padding:7px 8px 7px 16px;min-width:250px;
 transition:border-color .2s,box-shadow .2s;
}
.top-search:focus-within{border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(255,61,90,.10)}
.top-search input{flex:1;border:none;background:none;outline:none;font-size:14px;min-width:0}
.top-search input::placeholder{color:var(--muted-2)}
.top-search button{
 background:var(--ink);color:#fff;border-radius:999px;
 padding:6px 15px;font-size:13px;font-weight:600;transition:background .2s,transform .2s;
}
.top-search button:hover{background:var(--brand);transform:translateY(-1px)}
.nav-toggle{
 margin-left:auto;display:none;align-items:center;gap:8px;
 border:1px solid var(--line);background:#fff;border-radius:999px;
 padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}
.channel-row{border-top:1px solid var(--line);background:#fff}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
 position:relative;flex-shrink:0;
 padding:13px 16px;font-size:15px;font-weight:600;color:var(--muted);
 border-radius:10px;transition:color .2s,background .2s;
}
.channel-nav a:hover{color:var(--ink);background:var(--surface-2)}
.channel-nav a.is-active{color:var(--brand)}
.channel-nav a.is-active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
 border-radius:3px;background:var(--brand);
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 20px 16px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.is-active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;letter-spacing:.2px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,61,90,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,90,.36)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ============ 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:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);
}
.badge-ink{background:#eef0f8;color:var(--ink-2);border-color:#e0e3f0}
.badge-ok{background:#e8faf3;color:#0b8a63;border-color:#c8f0e2}
.badge-warn{background:#fff8e6;color:#a06b00;border-color:#ffe4ab}
.tag{
 display:inline-block;padding:3px 10px;border-radius:8px;
 font-size:12px;font-weight:600;background:#f1f3fa;color:var(--muted);
}

/* ============ 板块基础 ============ */
.section{padding:72px 0}
.section-tight{padding:54px 0}
.section-alt{background:var(--surface)}
.section-dark{background:radial-gradient(120% 140% at 12% 0%,#232743 0%,var(--ink) 58%);color:#fff}
.section-dark .section-title{color:#fff}
.section-dark .section-sub{color:#a9aec9}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:34px}
.section-head-left{max-width:720px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand)}
.section-title{font-size:clamp(22px,2.5vw,31px);line-height:1.32;letter-spacing:-.5px;color:var(--ink);margin-top:12px}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:660px}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;
 padding:42px 0 68px;
 background:linear-gradient(180deg,#ffffff 0%,#f7f8fd 58%,var(--bg) 100%);
 border-bottom:1px solid var(--line);
}
.hero::before{
 content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;
 background:radial-gradient(circle at center,rgba(255,61,90,.18),rgba(255,61,90,0) 68%);
 pointer-events:none;
}
.hero::after{
 content:"";position:absolute;bottom:-200px;left:-120px;width:460px;height:460px;
 background:radial-gradient(circle at center,rgba(42,46,99,.14),rgba(42,46,99,0) 70%);
 pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:start}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-strong)}
.hero h1{
 font-size:clamp(27px,3.5vw,42px);line-height:1.26;letter-spacing:-1px;
 color:var(--ink);margin:14px 0 0;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--muted);max-width:600px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--muted-2)}

.hero-panel{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:26px 26px 22px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel-title{font-size:16.5px;font-weight:800;color:var(--ink)}
.stat-list{margin-top:20px;display:grid;gap:6px}
.stat-item{
 display:flex;align-items:baseline;justify-content:space-between;gap:16px;
 padding:12px 0;border-bottom:1px dashed var(--line);
}
.stat-item:last-child{border-bottom:none;padding-bottom:2px}
.stat-key{font-size:14px;color:var(--muted);font-weight:600}
.stat-num{font-size:23px;font-weight:800;color:var(--ink);letter-spacing:-.6px}
.stat-num em{font-size:12.5px;font-weight:600;color:var(--muted);font-style:normal;margin-left:3px}
.panel-foot{
 margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);
}
.pulse-dot{
 width:8px;height:8px;border-radius:50%;background:var(--ok);
 box-shadow:0 0 0 4px rgba(18,184,134,.18);display:inline-block;margin-right:8px;
}

/* ============ 频道矩阵 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(246px,1fr));gap:20px}
.channel-card{
 position:relative;display:flex;flex-direction:column;gap:12px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px 22px;overflow:hidden;
 transition:transform .24s,box-shadow .24s,border-color .24s;
}
.channel-card::before{
 content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
 background:linear-gradient(180deg,var(--brand),#ff8a5c);opacity:0;transition:opacity .24s;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.channel-card:hover::before{opacity:1}
.channel-card h3{font-size:17.5px;font-weight:800;color:var(--ink);letter-spacing:-.2px}
.channel-card p{font-size:14.2px;color:var(--muted);line-height:1.72}
.channel-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px}
.channel-count{font-size:13px;color:var(--muted-2);font-weight:600}
.arrow-link{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .2s}
.channel-card:hover .arrow-link{gap:11px}

/* ============ 本周主推 ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:26px;align-items:stretch}
.feature-card{
 position:relative;display:flex;flex-direction:column;justify-content:flex-end;
 min-height:380px;padding:32px;border-radius:var(--radius-lg);overflow:hidden;
 background:linear-gradient(150deg,#2a2e63 0%,#141621 62%);
 color:#fff;box-shadow:var(--shadow);
}
.feature-card::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(circle at 82% 12%,rgba(255,61,90,.45),rgba(255,61,90,0) 58%);
 pointer-events:none;
}
.feature-card > *{position:relative;z-index:1}
.feature-card h3{font-size:clamp(21px,2.2vw,27px);line-height:1.36;margin-top:16px;letter-spacing:-.4px}
.feature-card p{margin-top:12px;font-size:14.6px;color:#c8cce4;max-width:520px}
.feature-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:13px;color:#a9aec9}
.feature-meta span{display:inline-flex;align-items:center;gap:6px}
.mini-list{display:grid;gap:14px;align-content:start}
.mini-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;transition:transform .22s,box-shadow .22s,border-color .22s;
}
.mini-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:var(--brand-line)}
.mini-index{
 flex-shrink:0;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:13.5px;
}
.mini-body h4{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5}
.mini-body p{font-size:13.4px;color:var(--muted);margin-top:6px}
.mini-body .tag{margin-top:10px}

/* ============ 排行 ============ */
.rank-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:10px 26px;box-shadow:var(--shadow-xs);
}
.rank-item{
 display:grid;grid-template-columns:52px 1fr 150px;gap:20px;align-items:center;
 padding:18px 0;border-bottom:1px solid var(--line);
 transition:background .2s;
}
.rank-item:last-child{border-bottom:none}
.rank-item:hover{background:var(--surface-2)}
.rank-index{
 font-size:20px;font-weight:800;color:var(--line-strong);letter-spacing:-.5px;
 font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(-n+3) .rank-index{color:var(--brand)}
.rank-main h4{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.rank-main p{font-size:13.2px;color:var(--muted);margin-top:5px}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.rank-score{text-align:right}
.rank-score strong{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.4px;display:block}
.rank-score span{font-size:12.5px;color:var(--muted-2)}
.heat-bar{height:6px;border-radius:99px;background:#eef0f8;margin-top:9px;overflow:hidden}
.heat-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),#ff8a5c)}

/* ============ 数据指标（深色） ============ */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{
 border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);
 padding:26px 22px;background:rgba(255,255,255,.045);
 transition:background .24s,transform .24s,border-color .24s;
}
.metric:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);border-color:rgba(255,61,90,.5)}
.metric strong{display:block;font-size:34px;font-weight:800;letter-spacing:-1.2px;line-height:1.1}
.metric strong em{font-size:15px;font-weight:600;color:#a9aec9;font-style:normal;margin-left:4px}
.metric span{display:block;margin-top:10px;font-size:14px;color:#a9aec9}
.metric-bar{height:4px;border-radius:99px;background:rgba(255,255,255,.14);margin-top:18px;overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),#ff8a5c)}

/* ============ 编辑精选 ============ */
.pick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(292px,1fr));gap:22px}
.pick-card{
 display:flex;flex-direction:column;gap:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;transition:transform .24s,box-shadow .24s,border-color .24s;
}
.pick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.pick-card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.48}
.pick-card p{font-size:14.2px;color:var(--muted)}
.pick-foot{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
 font-size:12.8px;color:var(--muted-2);
}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
 border-radius:var(--radius);padding:26px 22px;
 background:var(--surface);border:1px solid var(--line);
 transition:transform .24s,box-shadow .24s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.scene-icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:17px;font-weight:800;
}
.scene-card h3{margin-top:16px;font-size:16.5px;font-weight:800;color:var(--ink)}
.scene-card p{margin-top:9px;font-size:14px;color:var(--muted)}
.scene-card ul{margin-top:14px;display:grid;gap:8px}
.scene-card li{
 position:relative;padding-left:16px;font-size:13.5px;color:var(--muted);
}
.scene-card li::before{
 content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
 background:var(--brand);opacity:.7;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 24px;transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:var(--brand-line);box-shadow:var(--shadow-sm)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:20px 0;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
 display:grid;place-items:center;font-size:16px;font-weight:700;
 background:var(--brand-soft);color:var(--brand-dark);transition:transform .24s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 22px;font-size:14.6px;color:var(--muted);max-width:760px}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-xl);
 padding:46px 44px;
 background:linear-gradient(130deg,#2a2e63 0%,#141621 68%);
 color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;
 background:radial-gradient(circle at center,rgba(255,61,90,.42),rgba(255,61,90,0) 68%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.cta-grid h2{font-size:clamp(22px,2.4vw,30px);line-height:1.34;letter-spacing:-.5px}
.cta-grid p{margin-top:14px;font-size:15px;color:#c2c7e0;max-width:520px}
.subscribe-form{display:flex;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 8px 8px 20px}
.subscribe-form input{
 flex:1;min-width:0;border:none;background:none;outline:none;color:#fff;font-size:14.5px;
}
.subscribe-form input::placeholder{color:#9aa0bd}
.form-note{margin-top:14px;font-size:13px;color:#9aa0bd}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#c2c7e0;padding:56px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--brand),#ff8a5c)}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:var(--brand)}
.footer-brand p{margin-top:16px;font-size:14px;color:#9aa0bd;max-width:340px}
.footer-col h3{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#9aa0bd;transition:color .2s,padding-left .2s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
 margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
 font-size:13px;color:#8f95b4;
}
.footer-bottom a{color:#c2c7e0}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .feature-grid{grid-template-columns:1fr}
 .metrics-grid{grid-template-columns:repeat(2,1fr)}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .cta-grid{grid-template-columns:1fr;gap:26px}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
 .top-search{min-width:200px}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .section-tight{padding:42px 0}
 .brand-tag{display:none}
 .top-search{display:none}
 .nav-toggle{display:inline-flex}
 .section-head{flex-direction:column;align-items:flex-start;gap:16px}
 .rank-wrap{padding:6px 18px}
 .rank-item{grid-template-columns:38px 1fr;gap:14px}
 .rank-score{grid-column:2;text-align:left;margin-top:8px}
 .feature-card{min-height:320px;padding:26px}
 .cta-band{padding:34px 24px;border-radius:var(--radius-lg)}
 .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .brand-row{height:60px}
 .logo-text{font-size:16.5px}
 .channel-nav a{padding:12px 12px;font-size:14.5px}
 .hero{padding:32px 0 52px}
 .hero-actions .btn{width:100%}
 .metrics-grid{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .pick-grid{grid-template-columns:1fr}
 .metric strong{font-size:29px}
 .subscribe-form{flex-direction:column;border-radius:var(--radius);padding:14px}
 .subscribe-form .btn{width:100%}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .rank-item{grid-template-columns:32px 1fr}
}

/* roulang page: category3 */
:root{
 --brand:#ff3d5a;
 --brand-dark:#e02444;
 --brand-soft:#fff1f4;
 --brand-line:#ffd2dc;
 --ink:#141621;
 --ink-2:#2a2e63;
 --ink-3:#3b407a;
 --bg:#f5f6fa;
 --surface:#ffffff;
 --surface-2:#fafbff;
 --line:#e5e7f1;
 --line-strong:#d5d9e8;
 --text:#1b1d29;
 --muted:#6c7186;
 --muted-2:#8d92a6;
 --ok:#12b886;
 --warn:#f59f00;
 --radius-xs:8px;
 --radius-sm:12px;
 --radius:16px;
 --radius-lg:22px;
 --radius-xl:30px;
 --shadow-xs:0 1px 3px rgba(20,22,33,.05);
 --shadow-sm:0 4px 14px rgba(20,22,33,.07);
 --shadow:0 12px 34px rgba(20,22,33,.10);
 --shadow-lg:0 26px 64px rgba(20,22,33,.16);
 --sp-1:8px; --sp-2:14px; --sp-3:22px; --sp-4:32px; --sp-5:48px; --sp-6:72px;
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han 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(--ff);
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.32;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,61,90,.45);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 容器 ============ */
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:920px}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--line);
}
.brand-row{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
 width:38px;height:38px;border-radius:12px;
 background:linear-gradient(135deg,var(--brand),#ff8a5c);
 color:#fff;font-weight:800;font-size:17px;
 display:grid;place-items:center;
 box-shadow:0 6px 16px rgba(255,61,90,.32);
 letter-spacing:-1px;
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--brand)}
.brand-tag{
 font-size:12px;color:var(--muted);border-left:1px solid var(--line);
 padding-left:14px;margin-left:2px;line-height:1.4;
}
.top-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid var(--line);
 border-radius:999px;padding:7px 8px 7px 16px;min-width:250px;
 transition:border-color .2s,box-shadow .2s;
}
.top-search:focus-within{border-color:var(--brand-line);box-shadow:0 0 0 4px rgba(255,61,90,.10)}
.top-search input{flex:1;border:none;background:none;outline:none;font-size:14px;min-width:0}
.top-search input::placeholder{color:var(--muted-2)}
.top-search button{
 background:var(--ink);color:#fff;border-radius:999px;
 padding:6px 15px;font-size:13px;font-weight:600;transition:background .2s,transform .2s;
}
.top-search button:hover{background:var(--brand);transform:translateY(-1px)}
.nav-toggle{
 margin-left:auto;display:none;align-items:center;gap:8px;
 border:1px solid var(--line);background:#fff;border-radius:999px;
 padding:8px 16px;font-size:14px;font-weight:600;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand-line);color:var(--brand)}
.channel-row{border-top:1px solid var(--line);background:#fff}
.channel-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
 position:relative;flex-shrink:0;
 padding:13px 16px;font-size:15px;font-weight:600;color:var(--muted);
 border-radius:10px;transition:color .2s,background .2s;
}
.channel-nav a:hover{color:var(--ink);background:var(--surface-2)}
.channel-nav a.is-active{color:var(--brand)}
.channel-nav a.is-active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;
 border-radius:3px;background:var(--brand);
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0 16px}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:12px 4px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a.is-active{color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;letter-spacing:.2px;
 transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(255,61,90,.30)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,90,.36)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ============ 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:600;
 background:var(--brand-soft);color:var(--brand-dark);border:1px solid var(--brand-line);
}
.badge-ink{background:#eef0f8;color:var(--ink-2);border-color:#e0e3f0}
.badge-ok{background:#e8faf3;color:#0b8a63;border-color:#c8f0e2}
.badge-warn{background:#fff8e6;color:#a06b00;border-color:#ffe4ab}
.tag{
 display:inline-block;padding:3px 10px;border-radius:8px;
 font-size:12px;font-weight:600;background:#f1f3fa;color:var(--muted);
}

/* ============ 板块基础 ============ */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-soft{background:var(--surface)}
.section-dark{background:var(--ink);color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#a6abc8}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
 color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow-light{color:#ff8098}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(22px,2.9vw,32px);letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;line-height:1.85}
.section-head.is-center{text-align:center;margin-left:auto;margin-right:auto}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.head-row .section-head{margin-bottom:0}

/* ============ 网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.card h3{font-size:17px;margin-top:14px}
.card p{margin-top:10px;color:var(--muted);font-size:14.6px;line-height:1.82}
.card-no{
 display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
 border:1px solid var(--brand-line);
}

/* ============ 首屏 ============ */
.channel-hero{
 padding:46px 0 66px;
 background:linear-gradient(180deg,#ffffff 0%,var(--bg) 100%);
 border-bottom:1px solid var(--line);
}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--muted-2);margin:0 7px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(26px,4vw,41px);line-height:1.24;letter-spacing:-.5px}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{margin-top:18px;font-size:16.8px;color:var(--muted);max-width:580px;line-height:1.88}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
 font-size:13.5px;font-weight:600;color:var(--ink-2);
 background:#fff;border:1px solid var(--line);border-radius:999px;
 padding:7px 15px;box-shadow:var(--shadow-xs);
}
.hero-points li::before{
 content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
 background:var(--brand);margin-right:8px;vertical-align:middle;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--muted-2)}

/* 倒计时面板 */
.hero-panel{
 position:relative;overflow:hidden;
 background:var(--ink);border-radius:var(--radius-xl);
 padding:32px;color:#fff;box-shadow:var(--shadow-lg);
}
.hero-panel::after{
 content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,61,90,.55),rgba(255,61,90,0) 70%);
}
.panel-top{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-title{font-size:14px;font-weight:700;letter-spacing:.8px;color:#fff}
.panel-top .badge{background:rgba(255,61,90,.16);color:#ff8fa3;border-color:rgba(255,61,90,.32)}
.panel-body{position:relative;z-index:1;display:grid;grid-template-columns:158px 1fr;gap:26px;align-items:center;margin-top:26px}
.countdown{position:relative;width:158px;height:158px;display:grid;place-items:center}
.ring{position:absolute;inset:0;width:100%;height:100%}
.ring-track{fill:none;stroke:rgba(255,255,255,.15);stroke-width:9}
.ring-bar{
 fill:none;stroke:var(--brand);stroke-width:9;stroke-linecap:round;
 stroke-dasharray:326.7;stroke-dashoffset:0;
 transform:rotate(-90deg);transform-origin:60px 60px;
 transition:stroke-dashoffset .6s linear;
}
.ring-center{position:relative;text-align:center}
.ring-center .rl{display:block;font-size:11.5px;color:#9298b8;letter-spacing:.5px}
.ring-center strong{
 display:block;font-size:21px;font-weight:800;letter-spacing:.6px;margin-top:5px;
 font-variant-numeric:tabular-nums;
}
.panel-list li{
 display:flex;align-items:flex-start;gap:10px;
 padding:9px 0;font-size:14px;color:#c3c8e2;
 border-bottom:1px dashed rgba(255,255,255,.13);
}
.panel-list li:last-child{border-bottom:none}
.panel-list i{
 width:7px;height:7px;border-radius:50%;background:var(--brand);
 flex-shrink:0;margin-top:9px;
}
.panel-foot{
 position:relative;z-index:1;margin-top:22px;padding-top:18px;
 border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 font-size:13.5px;color:#9298b8;
}
.panel-foot strong{color:#fff;font-size:16px}

/* ============ 痛点 ============ */
.card-pain{position:relative;padding-top:30px}
.card-pain .pain-no{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:var(--brand);margin-bottom:6px;
}
.card-pain h3{margin-top:6px}

/* ============ 方案分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-text h2{font-size:clamp(22px,2.8vw,31px)}
.split-text > p{margin-top:16px;color:var(--muted);font-size:16.4px;line-height:1.88}
.check-list{margin-top:26px}
.check-list li{
 position:relative;padding-left:30px;margin-bottom:14px;
 font-size:15.4px;font-weight:600;color:var(--ink-2);
}
.check-list li::before{
 content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
 background:var(--brand-soft);border:1px solid var(--brand-line);
}
.check-list li::after{
 content:"";position:absolute;left:5px;top:13px;width:6px;height:3px;
 border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
 transform:rotate(-45deg);
}
.check-list li span{display:block;font-weight:400;font-size:14.4px;color:var(--muted);margin-top:2px}
.feature-panel{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
 padding:14px;box-shadow:var(--shadow-sm);
}
.feature-item{
 display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:flex-start;
 padding:20px;border-radius:var(--radius);transition:background .22s;
}
.feature-item + .feature-item{border-top:1px solid var(--line)}
.feature-item:hover{background:var(--surface-2)}
.feature-ico{
 width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:15px;
 border:1px solid var(--brand-line);
}
.feature-item h3{font-size:16.5px}
.feature-item p{margin-top:6px;color:var(--muted);font-size:14.4px;line-height:1.8}

/* ============ 方法步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.step-no{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
 background:var(--ink);color:#fff;font-weight:800;font-size:15px;
}
.step h3{margin-top:16px;font-size:16.8px}
.step p{margin-top:9px;color:var(--muted);font-size:14.4px;line-height:1.8}

/* ============ 成果数据 ============ */
.section-brand{background:var(--brand-soft);border-top:1px solid var(--brand-line);border-bottom:1px solid var(--brand-line)}
.stat{
 background:#fff;border:1px solid var(--brand-line);border-radius:var(--radius-lg);
 padding:28px 22px;text-align:center;box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.stat .num{
 display:block;font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--brand-dark);
 letter-spacing:-.5px;font-variant-numeric:tabular-nums;
}
.stat .num small{font-size:15px;font-weight:700;margin-left:2px}
.stat .lbl{display:block;margin-top:8px;font-size:14.2px;color:var(--ink-2);font-weight:600}
.stat .sub{display:block;margin-top:5px;font-size:12.8px;color:var(--muted-2)}

/* ============ 证言 ============ */
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-xs);position:relative;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand-line)}
.quote-card::before{
 content:"“";position:absolute;top:6px;right:22px;font-size:56px;line-height:1;
 color:var(--brand-line);font-weight:800;
}
.quote-card blockquote{margin:0;font-size:15.4px;line-height:1.9;color:var(--ink-2)}
.quote-card figcaption{
 margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
 font-size:13.6px;color:var(--muted);
}
.quote-card figcaption strong{display:block;color:var(--ink);font-size:14.6px;margin-bottom:2px}

/* ============ 适用人群 ============ */
.card-aud h3{margin-top:12px}
.card-aud .aud-k{
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--muted-2);
}
.card-aud ul{margin-top:14px}
.card-aud ul li{
 position:relative;padding-left:16px;font-size:14.2px;color:var(--muted);margin-bottom:7px;
}
.card-aud ul li::before{
 content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--brand-line);
}

/* ============ 动态列表 ============ */
.news-list{border-top:1px solid var(--line)}
.news-item{
 display:grid;grid-template-columns:86px 1fr auto;gap:20px;align-items:center;
 padding:20px 4px;border-bottom:1px solid var(--line);
 transition:background .2s ease,padding-left .2s ease;
}
.news-item:hover{background:#fff;padding-left:14px}
.news-item h3{font-size:16.6px}
.news-item p{margin-top:7px;color:var(--muted);font-size:14.2px}
.news-time{font-size:13px;color:var(--muted-2);white-space:nowrap;font-variant-numeric:tabular-nums}
.news-more{margin-top:28px;text-align:center}

/* ============ 榜单快照 ============ */
.snap-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px;align-items:center}
.snap-text h2{font-size:clamp(22px,2.8vw,31px)}
.snap-text p{margin-top:16px;font-size:16px;line-height:1.88}
.snap-list li{
 display:grid;grid-template-columns:46px 1fr auto;gap:18px;align-items:center;
 padding:17px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.snap-list li:last-child{border-bottom:none}
.snap-rank{
 display:grid;place-items:center;width:40px;height:40px;border-radius:13px;
 background:rgba(255,61,90,.16);border:1px solid rgba(255,61,90,.34);
 color:#ff8fa3;font-weight:800;font-size:14px;
}
.snap-list strong{display:block;color:#fff;font-size:15.6px;font-weight:700}
.snap-list p{margin-top:4px;font-size:13.8px;color:#8f95b6}
.snap-val{font-size:18px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.snap-val small{font-size:12px;color:#8f95b6;font-weight:600;margin-left:4px}

/* ============ 转化区 ============ */
.cta-band{
 display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
 background:linear-gradient(135deg,var(--brand) 0%,#ff7d5e 100%);
 border-radius:var(--radius-xl);padding:46px;
 color:#fff;box-shadow:0 24px 60px rgba(255,61,90,.26);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,30px)}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.92);font-size:15.8px;line-height:1.86}
.cta-form{display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.2);padding:10px;border-radius:999px}
.cta-form input{
 flex:1;min-width:0;border:none;outline:none;background:#fff;border-radius:999px;
 padding:13px 20px;font-size:14.6px;color:var(--ink);
}
.cta-form input::placeholder{color:var(--muted-2)}
.cta-hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.86)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#c9cce0;padding:64px 0 26px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:#9aa0be;font-size:14.5px;margin-top:16px;line-height:1.86;max-width:360px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text span{color:var(--brand)}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:#9aa0be;font-size:14.4px}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 color:#8189ab;font-size:13.4px;
}
.footer-bottom a{color:#c9cce0}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-lead{max-width:none}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:32px}
 .snap-wrap{grid-template-columns:1fr;gap:30px}
 .cta-band{grid-template-columns:1fr;gap:26px;padding:38px 30px}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
 .brand-tag{display:none}
}
@media (max-width:900px){
 .top-search{display:none}
 .nav-toggle{display:inline-flex}
 .channel-row{display:none}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .section-tight{padding:42px 0}
 .grid-2,.grid-3,.grid-4,.steps{grid-template-columns:1fr}
 .panel-body{grid-template-columns:1fr;justify-items:center;text-align:center}
 .panel-list li{text-align:left}
 .news-item{grid-template-columns:1fr;gap:10px;padding:18px 4px}
 .news-time{color:var(--muted)}
 .cta-band{padding:32px 22px;border-radius:var(--radius-lg)}
 .cta-form{flex-direction:column;background:transparent;padding:0;gap:12px;border-radius:0}
 .cta-form input{width:100%;border-radius:999px}
 .cta-form .btn{width:100%;border-radius:999px}
 .footer-top{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-row{height:60px;gap:12px}
 .logo-text{font-size:16.5px}
 .hero-copy h1{font-size:24px}
 .hero-lead{font-size:15.4px}
 .hero-actions .btn{width:100%}
 .hero-panel{padding:24px 20px}
 .countdown{width:138px;height:138px}
 .ring-center strong{font-size:19px}
 .card{padding:22px 18px}
 .snap-list li{grid-template-columns:40px 1fr;gap:12px}
 .snap-val{grid-column:2;margin-top:6px}
}