/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --brand-1:#6d28d9;
  --brand-2:#a21caf;
  --brand-3:#ec4899;
  --accent:#f59e0b;
  --ink:#150b26;
  --ink-2:#3b2f52;
  --muted:#7a6f92;
  --bg:#f6f3fc;
  --surface:#ffffff;
  --surface-2:#f1ebfd;
  --line:#e7e0f5;
  --dark-1:#170a2b;
  --dark-2:#2a1049;
  --grad:linear-gradient(118deg,#6d28d9 0%,#a21caf 48%,#ec4899 100%);
  --grad-soft:linear-gradient(118deg,rgba(109,40,217,.12),rgba(236,72,153,.12));
  --r-xs:10px;
  --r-sm:16px;
  --r-md:22px;
  --r-lg:30px;
  --r-xl:40px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(42,16,73,.05);
  --sh-2:0 12px 28px rgba(42,16,73,.09);
  --sh-3:0 26px 60px rgba(42,16,73,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:3px solid rgba(192,38,211,.55);outline-offset:2px;border-radius:8px}
::selection{background:rgba(192,38,211,.22)}

/* ===== 容器 ===== */
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 30px}

/* ===== 左侧 App Shell 导航 ===== */
.shell-nav{
  position:fixed;top:0;left:0;bottom:0;width:264px;z-index:70;
  display:flex;flex-direction:column;gap:24px;
  padding:30px 22px 26px;
  color:#d9cff0;
  background:linear-gradient(178deg,#160923 0%,#240f45 52%,#320f4e 100%);
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;
  display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;
  background:var(--grad);box-shadow:0 8px 20px rgba(192,38,211,.38);
}
.brand-name{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{margin-top:2px;font-size:12px;color:rgba(217,207,240,.62);letter-spacing:.06em}

.nav-links{display:flex;flex-direction:column;gap:6px}
.nav-link{
  display:flex;align-items:center;gap:11px;
  padding:11px 14px;border-radius:14px;
  font-size:15px;color:rgba(230,222,248,.78);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:rgba(230,222,248,.3);transition:.22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(3px)}
.nav-link:hover::before{background:var(--brand-3)}
.nav-link.is-active{
  background:linear-gradient(100deg,rgba(109,40,217,.6),rgba(236,72,153,.34));
  color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.nav-link.is-active::before{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16)}

.nav-card{
  margin-top:auto;padding:16px;border-radius:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
}
.nav-card-title{font-size:11.5px;letter-spacing:.14em;color:rgba(217,207,240,.6)}
.nav-card-num{margin:8px 0 6px;font-size:28px;font-weight:800;color:#fff;line-height:1}
.nav-card-num span{font-size:13px;font-weight:600;color:rgba(217,207,240,.7);margin-left:3px}
.nav-card-text{font-size:12.5px;line-height:1.62;color:rgba(217,207,240,.68)}
.nav-foot{font-size:11.5px;color:rgba(217,207,240,.42);letter-spacing:.04em}

.scrim{
  position:fixed;inset:0;z-index:65;
  background:rgba(15,6,28,.55);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:.3s var(--ease);
}
.scrim.is-on{opacity:1;visibility:visible}

.topbar{display:none}

.page{margin-left:264px;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* ===== 通用板块 ===== */
.section{padding:62px 0}
.section--first{padding-top:0}
.sec-head{margin-bottom:28px;max-width:760px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-2);text-transform:uppercase;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.sec-title{margin:12px 0 10px;font-size:clamp(23px,2.5vw,32px)}
.sec-desc{color:var(--muted);font-size:15.5px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .sec-kicker::before{display:none}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
  border:1px solid transparent;
}
.btn-primary{
  color:#fff;background:var(--grad);
  box-shadow:0 12px 26px rgba(192,38,211,.34);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(192,38,211,.44)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  color:#fff;background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.28);
}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-solid{
  color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(109,40,217,.3);
}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(109,40,217,.38)}

/* ===== 标签 / 徽章 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;
  color:var(--brand-1);background:rgba(109,40,217,.1);
}
.tag--warm{color:#b45309;background:rgba(245,158,11,.16)}
.tag--rose{color:#be185d;background:rgba(236,72,153,.13)}
.tag--mute{color:var(--muted);background:rgba(122,111,146,.11)}
.badge-num{
  display:inline-grid;place-items:center;
  min-width:26px;height:26px;padding:0 8px;border-radius:9px;
  font-size:13px;font-weight:800;color:#fff;background:var(--grad);
}

/* ===== Hero 斜切色块首屏 ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:70px 0 160px;
  background:var(--grad);
  border-radius:0 0 44px 44px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 340px at 84% 4%,rgba(255,255,255,.3),transparent 62%),
    radial-gradient(520px 300px at 8% 96%,rgba(245,158,11,.24),transparent 66%),
    linear-gradient(104deg,rgba(18,7,34,.9) 0%,rgba(18,7,34,.66) 44%,rgba(18,7,34,.1) 80%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:132px;
  background:var(--bg);
  clip-path:polygon(0 100%,100% 6%,100% 100%);
}
.hero-inner{position:relative;z-index:3;max-width:860px}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.05em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(6px);
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.24)}
.hero-title{
  margin:22px 0 16px;
  font-size:clamp(29px,4.1vw,50px);
  line-height:1.18;letter-spacing:-.02em;
  text-shadow:0 10px 30px rgba(10,3,22,.36);
}
.hero-title em{
  display:block;margin-top:8px;font-style:normal;
  background:linear-gradient(96deg,#ffd9f1,#ffb45c);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lede{
  font-size:clamp(17px,1.7vw,21px);font-weight:700;
  color:#ffe8f6;letter-spacing:.01em;
}
.hero-text{
  margin-top:18px;max-width:720px;
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-actions{margin-top:32px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero-note{font-size:13.5px;color:rgba(255,255,255,.76)}

/* ===== 指标条 ===== */
.metrics-bar{margin-top:-72px;position:relative;z-index:6;padding-bottom:0}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;
}
.metric{padding:26px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric-num{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-num span{font-size:15px;font-weight:700;margin-left:2px}
.metric-label{margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ===== 分栏双列 ===== */
.split-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:start}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.panel-title{font-size:19px}

/* 资讯流 */
.feed-list{display:flex;flex-direction:column;gap:14px}
.feed-item{
  display:grid;grid-template-columns:44px 1fr;gap:14px;
  padding:16px;border-radius:var(--r-sm);
  background:var(--surface-2);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.feed-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.feed-idx{
  display:grid;place-items:center;width:44px;height:44px;border-radius:13px;
  font-size:14px;font-weight:800;color:var(--brand-1);background:#fff;box-shadow:var(--sh-1);
}
.feed-txt{font-size:14.6px;line-height:1.68;color:var(--ink-2)}
.feed-meta{margin-top:8px;display:flex;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}

/* 热榜 */
.hot-list{display:flex;flex-direction:column;gap:10px}
.hot-item{
  display:flex;align-items:center;gap:13px;
  padding:13px 15px;border-radius:var(--r-sm);
  border:1px solid var(--line);
  transition:border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.hot-item:hover{border-color:rgba(192,38,211,.4);background:var(--surface-2);transform:translateX(3px)}
.hot-item .badge-num{flex:0 0 auto}
.hot-title{flex:1;font-size:14.4px;font-weight:600;color:var(--ink-2)}
.hot-val{font-size:12.8px;font-weight:700;color:var(--brand-3);white-space:nowrap}

/* ===== 横滑专题条 ===== */
.rail{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:7px}
.rail::-webkit-scrollbar-thumb{background:rgba(109,40,217,.25);border-radius:9px}
.topic-card{
  flex:0 0 262px;scroll-snap-align:start;
  padding:24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(192,38,211,.32)}
.topic-card h3{font-size:17px;margin-bottom:10px}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.66}
.topic-bar{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:12.6px;color:var(--brand-2);font-weight:700}

/* ===== 最新动态 ===== */
.log-list{display:flex;flex-direction:column;gap:10px}
.log-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;
  padding:16px 22px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.log-row:hover{transform:translateX(4px);box-shadow:var(--sh-1)}
.log-time{font-size:14px;font-weight:800;color:var(--brand-1);letter-spacing:.04em}
.log-txt{font-size:14.6px;color:var(--ink-2)}

/* ===== 痛点卡片 ===== */
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));gap:16px}
.pain-card{
  padding:22px;border-radius:var(--r-md);
  background:linear-gradient(160deg,#fff, #fbf7ff);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pain-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#fff;background:linear-gradient(120deg,#a21caf,#ec4899);
  margin-bottom:14px;
}
.pain-card p{font-size:14.6px;color:var(--ink-2);line-height:1.7}

/* ===== 方案双列 ===== */
.solve-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.solve-card{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.solve-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.solve-num{
  flex:0 0 46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:#fff;background:var(--grad);
}
.solve-card h3{font-size:16.5px;margin-bottom:8px}
.solve-card p{font-size:14.2px;color:var(--muted);line-height:1.7}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  position:relative;padding:28px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.step-num{
  display:block;font-size:42px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin:14px 0 10px;font-size:17px}
.step p{font-size:14.3px;color:var(--muted);line-height:1.7}
.step::after{
  content:"";position:absolute;top:44px;right:-16px;width:32px;height:2px;
  background:linear-gradient(90deg,rgba(192,38,211,.4),rgba(192,38,211,0));
}
.step:last-child::after{display:none}

/* ===== 成果数据（深色沉浸） ===== */
.dark-panel{
  background:linear-gradient(155deg,#1b0c33 0%,#2b1049 55%,#3d0f4f 100%);
  color:#f2ecfb;border-radius:var(--r-xl);padding:52px 44px;
  position:relative;overflow:hidden;
}
.dark-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 260px at 88% 6%,rgba(236,72,153,.34),transparent 66%);
}
.dark-panel > *{position:relative;z-index:2}
.dark-panel .sec-title{color:#fff}
.dark-panel .sec-desc{color:rgba(242,236,251,.72)}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:16px;margin-top:30px}
.result-card{
  padding:22px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.result-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.12)}
.result-num{font-size:clamp(24px,2.5vw,31px);font-weight:800;color:#ffd166;line-height:1.1}
.result-label{margin-top:9px;font-size:13.4px;color:rgba(242,236,251,.76)}

/* ===== 用户口碑 ===== */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.voice{
  padding:26px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.voice-text{font-size:15.2px;line-height:1.78;color:var(--ink-2)}
.voice-who{margin-top:16px;display:flex;align-items:center;gap:11px;font-size:13.4px;color:var(--muted)}
.voice-avatar{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#fff;background:var(--grad);
}

/* ===== 适用场景 ===== */
.scene-list{display:flex;flex-direction:column;gap:12px}
.scene-row{
  display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;
  padding:18px 24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scene-row:hover{transform:translateX(4px);box-shadow:var(--sh-2)}
.scene-name{font-size:15.5px;font-weight:800;color:var(--ink)}
.scene-desc{font-size:14.2px;color:var(--muted)}

/* ===== 分类入口墙 ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;padding:30px 26px;border-radius:var(--r-xl);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.channel-card::before{
  content:"";position:absolute;inset:0;opacity:0;
  background:var(--grad-soft);transition:opacity .28s var(--ease);
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3)}
.channel-card:hover::before{opacity:1}
.channel-card > *{position:relative;z-index:2}
.channel-card h3{font-size:20px;margin:14px 0 10px}
.channel-card p{font-size:14.4px;color:var(--muted);line-height:1.7}
.channel-more{margin-top:18px;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:800;color:var(--brand-2)}

/* ===== 共建进度 ===== */
.progress-block{
  padding:34px;border-radius:var(--r-xl);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);
}
.progress-top{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap}
.progress-goal{font-size:14.6px;color:var(--muted)}
.progress-goal b{color:var(--ink);font-weight:800}
.progress-value{font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.progress-track{margin-top:18px;height:14px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.progress-fill{
  height:100%;width:77%;border-radius:99px;background:var(--grad);
  box-shadow:0 6px 16px rgba(192,38,211,.34);
}
.tier-grid{margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{
  padding:22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:linear-gradient(160deg,#fff,#faf6ff);
}
.tier h4{font-size:16px;margin-bottom:8px}
.tier p{font-size:13.8px;color:var(--muted);line-height:1.68}
.wall{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.wall-label{font-size:13.2px;color:var(--muted);margin-right:4px}
.wall-chip{
  padding:7px 15px;border-radius:var(--r-pill);font-size:13.2px;font-weight:700;
  color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.wall-chip:hover{transform:translateY(-2px);color:var(--brand-2)}

/* ===== 媒体合作 ===== */
.partner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.partner{
  padding:22px 18px;border-radius:var(--r-md);text-align:center;
  background:var(--surface);border:1px dashed var(--line);
  font-size:14.6px;font-weight:700;color:var(--ink-2);
  transition:border-color .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.partner:hover{border-color:rgba(192,38,211,.42);color:var(--brand-2);transform:translateY(-3px)}

/* ===== 订阅 / 多端 ===== */
.subscribe-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.sub-form{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.sub-input{
  flex:1 1 240px;min-width:0;
  padding:14px 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:15px;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.sub-input::placeholder{color:rgba(242,236,251,.55)}
.sub-input:focus{outline:none;border-color:rgba(255,209,102,.7);background:rgba(255,255,255,.14)}
.sub-hint{margin-top:12px;font-size:12.8px;color:rgba(242,236,251,.6)}
.sub-side{display:flex;flex-direction:column;gap:12px}
.sub-chip{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  font-size:14.4px;color:#f2ecfb;
}
.sub-chip b{color:#ffd166;font-weight:800}

/* ===== 页脚 ===== */
.site-footer{background:#150b26;color:rgba(232,224,246,.72);margin-top:30px}
.footer-inner{padding:56px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:13px;font-size:17px}
.footer-brand span{font-size:17px;font-weight:800;color:#fff}
.footer-about{font-size:13.8px;line-height:1.78;color:rgba(232,224,246,.6)}
.footer-title{font-size:13.4px;font-weight:800;letter-spacing:.1em;color:#fff;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:9px;font-size:13.8px}
.footer-list a,.footer-list span{color:rgba(232,224,246,.66);transition:color .22s var(--ease)}
.footer-list a:hover{color:#ffd166}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:rgba(232,224,246,.46);
}

/* ===== 响应式 ===== */
@media (max-width:1080px){
  .split-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
  .tier-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .shell-nav{transform:translateX(-106%);transition:transform .34s var(--ease);width:280px;box-shadow:0 30px 80px rgba(10,4,22,.42)}
  .shell-nav.is-open{transform:translateX(0)}
  .page{margin-left:0}
  .topbar{
    display:flex;align-items:center;gap:14px;
    position:sticky;top:0;z-index:50;
    padding:12px 18px;
    background:rgba(246,243,252,.94);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .menu-btn{
    width:40px;height:40px;flex:0 0 40px;border-radius:13px;
    background:var(--surface);border:1px solid var(--line);
    display:grid;place-items:center;box-shadow:var(--sh-1);
  }
  .menu-btn span{position:relative;display:block;width:17px;height:2px;border-radius:2px;background:var(--ink)}
  .menu-btn span::before,.menu-btn span::after{
    content:"";position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:var(--ink);
  }
  .menu-btn span::before{top:-5px}
  .menu-btn span::after{top:5px}
  .topbar-brand{flex:1;font-size:16px;font-weight:800;color:var(--ink)}
  .topbar-cta{
    padding:9px 18px;border-radius:var(--r-pill);
    font-size:13.5px;font-weight:800;color:#fff;background:var(--grad);
    box-shadow:0 8px 18px rgba(192,38,211,.28);
  }
  .hero{padding:52px 0 140px;border-radius:0 0 32px 32px}
  .metrics-bar{margin-top:-60px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric{border-bottom:1px solid var(--line)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-child(n+3){border-bottom:0}
  .solve-grid{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .subscribe-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .wrap{padding:0 20px}
  .section{padding:46px 0}
  .channel-grid{grid-template-columns:1fr}
  .panel{padding:22px}
  .dark-panel{padding:38px 24px;border-radius:28px}
  .progress-block{padding:24px}
  .scene-row{grid-template-columns:1fr;gap:8px}
  .log-row{grid-template-columns:74px 1fr;gap:12px}
  .log-row .tag{grid-column:2}
  .hero{padding:44px 0 128px}
  .sub-input{flex:1 1 100%}
  .sub-form .btn{width:100%}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .hero-title{font-size:27px}
  .hero-actions{gap:12px}
  .btn{width:100%}
  .hero-note{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .panel-head{flex-direction:column;align-items:flex-start;gap:8px}
  .topic-card{flex:0 0 232px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
 --brand-1:#6d28d9;
 --brand-2:#a21caf;
 --brand-3:#ec4899;
 --accent:#f59e0b;
 --ink:#150b26;
 --ink-2:#3b2f52;
 --muted:#7a6f92;
 --bg:#f6f3fc;
 --surface:#ffffff;
 --surface-2:#f1ebfd;
 --line:#e7e0f5;
 --dark-1:#170a2b;
 --dark-2:#2a1049;
 --grad:linear-gradient(118deg,#6d28d9 0%,#a21caf 48%,#ec4899 100%);
 --grad-soft:linear-gradient(118deg,rgba(109,40,217,.12),rgba(236,72,153,.12));
 --r-xs:10px;
 --r-sm:16px;
 --r-md:22px;
 --r-lg:30px;
 --r-xl:40px;
 --r-pill:999px;
 --sh-1:0 2px 8px rgba(42,16,73,.05);
 --sh-2:0 12px 28px rgba(42,16,73,.09);
 --sh-3:0 26px 60px rgba(42,16,73,.16);
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.72;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4,p{margin:0}
::selection{background:rgba(236,72,153,.22)}
:focus-visible{outline:3px solid rgba(109,40,217,.45);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}

/* ===== 左侧 App Shell 导航 ===== */
.shell-nav{
 position:fixed;top:0;left:0;bottom:0;width:264px;z-index:70;
 display:flex;flex-direction:column;gap:24px;
 padding:30px 22px 26px;color:#d9cff0;
 background:linear-gradient(178deg,#160923 0%,#240f45 52%,#320f4e 100%);
 overflow-y:auto;transition:transform .32s var(--ease);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:44px;height:44px;flex:0 0 44px;border-radius:14px;
 display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;
 background:var(--grad);box-shadow:0 8px 20px rgba(192,38,211,.38);
}
.brand-name{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{margin-top:2px;font-size:12px;color:rgba(217,207,240,.62);letter-spacing:.06em}
.nav-links{display:flex;flex-direction:column;gap:6px}
.nav-link{
 display:flex;align-items:center;gap:11px;
 padding:11px 14px;border-radius:14px;font-size:15px;color:rgba(230,222,248,.78);
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::before{
 content:"";width:6px;height:6px;border-radius:50%;
 background:rgba(230,222,248,.3);transition:.22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(3px)}
.nav-link:hover::before{background:var(--brand-3)}
.nav-link.is-active{
 background:linear-gradient(100deg,rgba(109,40,217,.6),rgba(236,72,153,.34));
 color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.nav-link.is-active::before{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16)}
.nav-card{
 margin-top:auto;padding:16px;border-radius:20px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
}
.nav-card-title{font-size:11.5px;letter-spacing:.14em;color:rgba(217,207,240,.6)}
.nav-card-num{margin:8px 0 6px;font-size:28px;font-weight:800;color:#fff;line-height:1}
.nav-card-num span{font-size:13px;font-weight:600;color:rgba(217,207,240,.7);margin-left:3px}
.nav-card-text{font-size:12.5px;line-height:1.62;color:rgba(217,207,240,.68)}
.nav-foot{font-size:11.5px;color:rgba(217,207,240,.42);letter-spacing:.04em}

/* ===== 移动端顶栏 ===== */
.topbar{display:none}
.nav-mask{
 position:fixed;inset:0;z-index:65;background:rgba(14,5,26,.55);
 opacity:0;visibility:hidden;transition:.28s var(--ease);backdrop-filter:blur(2px);
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ===== 主区域 ===== */
main{display:block;margin-left:264px;min-height:100vh}
.section{padding:58px 0}
.section--tight{padding-top:12px}

/* ===== 按钮 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);
 font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 12px 26px rgba(192,38,211,.34)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(192,38,211,.44)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-solid{color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(109,40,217,.3)}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(109,40,217,.38)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ===== 标签 / 徽章 ===== */
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);
 font-size:12.5px;font-weight:700;color:var(--brand-1);background:rgba(109,40,217,.1);
}
.tag--warm{color:#b45309;background:rgba(245,158,11,.16)}
.tag--rose{color:#be185d;background:rgba(236,72,153,.13)}
.tag--mute{color:var(--muted);background:rgba(122,111,146,.11)}
.badge-num{
 display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 8px;border-radius:9px;
 font-size:13px;font-weight:800;color:#fff;background:var(--grad);
}

/* ===== 分类页首屏：工业参数版式 ===== */
.hero-cat{
 position:relative;overflow:hidden;color:#fff;
 background:var(--grad);border-radius:0 0 40px 40px;
 padding:56px 0 44px;
}
.hero-cat::before{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(620px 340px at 88% 0%,rgba(255,255,255,.3),transparent 62%),
 radial-gradient(520px 300px at 4% 100%,rgba(245,158,11,.24),transparent 66%),
 linear-gradient(102deg,rgba(16,6,32,.88) 0%,rgba(16,6,32,.6) 50%,rgba(16,6,32,.12) 86%);
}
.hero-cat .wrap{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(233,226,250,.72);letter-spacing:.04em}
.crumb a:hover{color:#fff}
.hero-grid{display:grid;grid-template-columns:1.4fr .92fr;gap:38px;align-items:center;margin-top:18px}
.hero-tag{
 display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:var(--r-pill);
 font-size:13px;font-weight:700;letter-spacing:.05em;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);backdrop-filter:blur(6px);
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.24)}
.hero-title{
 margin:20px 0 14px;font-size:clamp(28px,3.7vw,46px);line-height:1.2;letter-spacing:-.02em;
 text-shadow:0 10px 30px rgba(10,3,22,.36);
}
.hero-desc{max-width:640px;font-size:16.5px;line-height:1.78;color:rgba(240,235,252,.9)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.param-panel{
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
 border-radius:var(--r-lg);padding:24px 24px 18px;backdrop-filter:blur(10px);
 box-shadow:0 20px 44px rgba(12,4,26,.28);
}
.panel-title{font-size:12.5px;letter-spacing:.16em;color:rgba(238,232,252,.72);margin-bottom:12px}
.param-row{
 display:flex;justify-content:space-between;gap:16px;padding:11px 0;
 border-bottom:1px dashed rgba(255,255,255,.2);font-size:14.5px;
}
.param-row:last-child{border-bottom:0}
.param-key{color:rgba(236,230,250,.72)}
.param-val{font-weight:700;color:#fff;text-align:right}
.metric-bar{
 margin-top:32px;display:grid;grid-template-columns:repeat(4,1fr);
 background:rgba(12,4,26,.42);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r-lg);overflow:hidden;backdrop-filter:blur(8px);
}
.metric-item{padding:20px 22px;border-left:1px solid rgba(255,255,255,.12)}
.metric-item:first-child{border-left:0}
.metric-num{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.1;letter-spacing:-.01em}
.metric-num em{font-style:normal;font-size:14px;font-weight:700;margin-left:3px;color:rgba(245,200,255,.9)}
.metric-label{margin-top:6px;font-size:12.5px;color:rgba(226,218,246,.74)}

/* ===== 板块标题 ===== */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:30px}
.sec-kicker{font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--brand-2)}
.sec-title{margin:10px 0 8px;font-size:clamp(22px,2.4vw,31px);line-height:1.28;letter-spacing:-.01em}
.sec-desc{max-width:760px;color:var(--muted);font-size:15px}
.side-note{
 flex:0 0 auto;padding:14px 18px;border-radius:var(--r-sm);
 background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
 font-size:13.5px;color:var(--ink-2);min-width:180px;
}
.side-note b{display:block;font-size:20px;color:var(--brand-1)}

/* ===== 题材网格 ===== */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px 24px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(162,28,175,.32)}
.topic-icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#fff;background:var(--grad-soft);color:var(--brand-1);
 margin-bottom:14px;
}
.topic-card h3{font-size:18.5px;margin-bottom:8px}
.topic-text{font-size:14.5px;color:var(--ink-2)}
.topic-meta{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ===== 深色标准区块 ===== */
.dark-band{
 border-radius:var(--r-xl);padding:46px 44px;color:#fff;
 background:linear-gradient(140deg,var(--dark-1) 0%,var(--dark-2) 62%,#3d1160 100%);
 box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.dark-band::after{
 content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
 background:radial-gradient(circle,rgba(236,72,153,.34),transparent 68%);
}
.band-head{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:end}
.band-head h2{margin:10px 0 12px;font-size:clamp(22px,2.3vw,30px);line-height:1.3}
.band-head p{color:rgba(228,220,248,.76);font-size:15px}
.band-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.band-stat{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--r-md);padding:20px 20px 18px;
 transition:transform .26s var(--ease),background .26s var(--ease);
}
.band-stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.11)}
.band-num{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.08}
.band-num em{font-style:normal;font-size:14px;color:rgba(245,200,255,.86);margin-left:3px}
.band-label{margin-top:8px;font-size:13.5px;color:rgba(228,220,248,.74)}

/* ===== 上新清单 ===== */
.list-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.list-head{
 display:grid;grid-template-columns:64px 1fr 104px 132px 96px;gap:16px;
 padding:16px 26px;font-size:12.5px;letter-spacing:.1em;color:var(--muted);
 background:var(--surface-2);border-bottom:1px solid var(--line);
}
.update-row{
 display:grid;grid-template-columns:64px 1fr 104px 132px 96px;gap:16px;align-items:center;
 padding:18px 26px;border-bottom:1px solid var(--line);transition:background .22s var(--ease);
}
.update-row:last-child{border-bottom:0}
.update-row:hover{background:rgba(109,40,217,.05)}
.u-index{font-size:14px;font-weight:800;color:var(--brand-1)}
.u-title{font-size:15.5px;font-weight:700}
.u-sub{margin-top:4px;font-size:13px;color:var(--muted)}
.u-cell{font-size:14px;color:var(--ink-2)}
.u-spec{font-size:13px;color:var(--muted)}
.list-foot{
 display:flex;justify-content:space-between;align-items:center;gap:16px;
 padding:18px 26px;background:var(--surface-2);font-size:13.5px;color:var(--muted);
}

/* ===== 制作流程步骤 ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:28px 24px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.step-num{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;color:#fff;background:var(--grad);box-shadow:0 8px 18px rgba(162,28,175,.28);
 margin-bottom:16px;
}
.step-card h3{font-size:17.5px;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--ink-2)}
.step-foot{margin-top:16px;font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:12px}

/* ===== 创作者阵容 ===== */
.author-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.author-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:24px 22px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.author-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(109,40,217,.3)}
.avatar{
 width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
 font-size:18px;font-weight:800;color:#fff;background:var(--grad);margin-bottom:14px;
}
.author-name{font-size:16.5px;font-weight:800}
.author-role{margin-top:4px;font-size:13px;color:var(--brand-2);font-weight:700}
.author-text{margin-top:12px;font-size:14px;color:var(--ink-2)}
.author-stats{margin-top:16px;display:flex;gap:16px;font-size:13px;color:var(--muted)}
.author-stats b{display:block;font-size:16px;color:var(--ink)}

/* ===== 画质修复 / 母版库 ===== */
.restore-block{
 display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
 padding:40px;box-shadow:var(--sh-1);
}
.restore-copy h2{margin:12px 0 12px;font-size:clamp(21px,2.2vw,29px);line-height:1.3}
.restore-copy p{color:var(--ink-2);font-size:15px}
.restore-list{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.restore-list li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2)}
.restore-list li::before{
 content:"";flex:0 0 9px;width:9px;height:9px;margin-top:9px;border-radius:3px;background:var(--grad);
}
.restore-panel{display:grid;gap:14px}
.r-item{
 background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-md);
 padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.r-item:hover{transform:translateX(4px);box-shadow:var(--sh-1)}
.r-key{font-size:14px;color:var(--ink-2)}
.r-val{font-size:19px;font-weight:800;color:var(--brand-1)}
.r-val span{font-size:13px;color:var(--muted);font-weight:600;margin-left:3px}

/* ===== 内容结构指标条 ===== */
.bar-list{display:grid;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--sh-1)}
.bar-head{display:flex;justify-content:space-between;font-size:14.5px;font-weight:700}
.bar-head span:last-child{color:var(--brand-2)}
.bar-track{margin-top:10px;height:10px;border-radius:var(--r-pill);background:rgba(109,40,217,.1);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:var(--grad);transition:width .6s var(--ease)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:4px 24px;box-shadow:var(--sh-1);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:rgba(109,40,217,.28);box-shadow:var(--sh-2)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 0;font-size:16px;font-weight:700;
 display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"＋";font-size:17px;font-weight:800;color:var(--brand-2);flex:0 0 auto;
}
.faq-item[open] summary::after{content:"－"}
.faq-item p{padding:0 0 20px;font-size:14.5px;color:var(--ink-2);max-width:960px}

/* ===== 收口转化区 ===== */
.cta-band{
 display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;
 border-radius:var(--r-xl);padding:46px 44px;color:#fff;
 background:var(--grad);box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-90px;width:300px;height:300px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,255,255,.28),transparent 66%);
}
.cta-text{position:relative;z-index:2}
.cta-text h2{font-size:clamp(22px,2.4vw,31px);line-height:1.28;margin-bottom:12px}
.cta-text p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:680px}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-ghost{background:rgba(255,255,255,.16)}
.cta-mail{font-size:13px;color:rgba(255,255,255,.8);text-align:center}

/* ===== 页脚 ===== */
.site-footer{
 background:linear-gradient(180deg,#1c0a33 0%,#110521 100%);
 color:rgba(232,225,248,.72);padding:52px 0 24px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:17px;font-weight:800}
.footer-about{margin-top:14px;font-size:14px;line-height:1.78;max-width:360px;color:rgba(232,225,248,.66)}
.footer-title{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:9px;font-size:14px}
.footer-list a,.footer-list span{color:rgba(232,225,248,.7);transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-list a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:rgba(232,225,248,.58);
}

/* ===== 响应式 ===== */
@media (max-width:1180px){
 .hero-grid{grid-template-columns:1fr;}
 .param-panel{margin-top:6px}
 .metric-bar{grid-template-columns:repeat(2,1fr)}
 .metric-item:nth-child(3){border-left:0}
 .metric-item:nth-child(odd){border-left:0}
 .metric-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.12)}
 .topic-grid{grid-template-columns:repeat(2,1fr)}
 .author-grid{grid-template-columns:repeat(2,1fr)}
 .band-head{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr}
}
@media (max-width:1024px){
 main{margin-left:0}
 .shell-nav{transform:translateX(-104%);width:288px;box-shadow:0 30px 60px rgba(10,3,22,.5)}
 .shell-nav.is-open{transform:translateX(0)}
 .topbar{
  display:flex;position:sticky;top:0;z-index:60;align-items:center;justify-content:space-between;
  gap:14px;padding:12px 20px;background:rgba(22,9,35,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
 }
 .topbar-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px}
 .topbar-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:16px}
 .nav-toggle{
  width:44px;height:44px;border-radius:13px;display:grid;place-content:center;gap:5px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  transition:background .22s var(--ease);
 }
 .nav-toggle:hover{background:rgba(255,255,255,.2)}
 .nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#fff;transition:.26s var(--ease)}
 .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
 .nav-toggle.is-open span:nth-child(2){opacity:0}
 .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
 .steps-grid{grid-template-columns:repeat(2,1fr)}
 .restore-block{grid-template-columns:1fr;padding:32px}
 .band-stats{grid-template-columns:repeat(3,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .wrap{padding:0 20px}
 .section{padding:46px 0}
 .hero-cat{padding:40px 0 34px;border-radius:0 0 28px 28px}
 .metric-item{padding:16px 18px}
 .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
 .side-note{width:100%}
 .list-head{display:none}
 .update-row{
  grid-template-columns:44px 1fr;gap:10px 14px;padding:16px 20px;
 }
 .update-row .u-cell,.update-row .u-spec,.update-row .u-time{grid-column:2;font-size:13px}
 .list-foot{flex-direction:column;align-items:flex-start;gap:8px}
 .topic-grid{grid-template-columns:1fr}
 .dark-band{padding:32px 24px}
 .band-stats{grid-template-columns:1fr}
 .author-grid{grid-template-columns:1fr}
 .cta-band{padding:34px 24px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .metric-bar{grid-template-columns:1fr}
 .metric-item{border-left:0;border-top:1px solid rgba(255,255,255,.12)}
 .metric-item:first-child{border-top:0}
 .steps-grid{grid-template-columns:1fr}
 .hero-title{font-size:27px}
 .btn{width:100%}
 .hero-actions{flex-direction:column}
 .cta-actions{width:100%}
}

/* roulang page: category2 */
:root{
 --brand-1:#6d28d9;
 --brand-2:#a21caf;
 --brand-3:#ec4899;
 --accent:#f59e0b;
 --ink:#150b26;
 --ink-2:#3b2f52;
 --muted:#7a6f92;
 --bg:#f6f3fc;
 --surface:#ffffff;
 --surface-2:#f1ebfd;
 --line:#e7e0f5;
 --dark-1:#170a2b;
 --dark-2:#2a1049;
 --grad:linear-gradient(118deg,#6d28d9 0%,#a21caf 48%,#ec4899 100%);
 --grad-soft:linear-gradient(118deg,rgba(109,40,217,.12),rgba(236,72,153,.12));
 --r-xs:10px;
 --r-sm:16px;
 --r-md:22px;
 --r-lg:30px;
 --r-xl:40px;
 --r-pill:999px;
 --sh-1:0 2px 8px rgba(42,16,73,.05);
 --sh-2:0 12px 28px rgba(42,16,73,.09);
 --sh-3:0 26px 60px rgba(42,16,73,.16);
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.72;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:3px solid rgba(236,72,153,.55);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px}
/* ===== 左侧 App Shell 导航 ===== */
.shell-nav{
 position:fixed;top:0;left:0;bottom:0;width:264px;z-index:70;
 display:flex;flex-direction:column;gap:24px;
 padding:30px 22px 26px;color:#d9cff0;
 background:linear-gradient(178deg,#160923 0%,#240f45 52%,#320f4e 100%);
 overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:44px;height:44px;flex:0 0 44px;border-radius:14px;
 display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;
 background:var(--grad);box-shadow:0 8px 20px rgba(192,38,211,.38);
}
.brand-name{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{margin-top:2px;font-size:12px;color:rgba(217,207,240,.62);letter-spacing:.06em}
.nav-links{display:flex;flex-direction:column;gap:6px}
.nav-link{
 display:flex;align-items:center;gap:11px;
 padding:11px 14px;border-radius:14px;
 font-size:15px;color:rgba(230,222,248,.78);
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::before{
 content:"";width:6px;height:6px;border-radius:50%;
 background:rgba(230,222,248,.3);transition:.22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(3px)}
.nav-link:hover::before{background:var(--brand-3)}
.nav-link.is-active{
 background:linear-gradient(100deg,rgba(109,40,217,.6),rgba(236,72,153,.34));
 color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.nav-link.is-active::before{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16)}
.nav-card{
 margin-top:auto;padding:16px;border-radius:20px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
}
.nav-card-title{font-size:11.5px;letter-spacing:.14em;color:rgba(217,207,240,.6)}
.nav-card-num{margin:8px 0 6px;font-size:28px;font-weight:800;color:#fff;line-height:1}
.nav-card-num span{font-size:13px;font-weight:600;color:rgba(217,207,240,.7);margin-left:3px}
.nav-card-text{font-size:12.5px;line-height:1.62;color:rgba(217,207,240,.68)}
.nav-foot{font-size:11.5px;color:rgba(217,207,240,.42);letter-spacing:.04em}
.app-body{margin-left:264px;min-height:100vh;display:flex;flex-direction:column}
.topbar{display:none}
.scrim{display:none}
/* ===== 通用板块 ===== */
.section{padding:64px 0}
.section--tight{padding:48px 0}
.section--first{padding-top:46px}
.sec-head{
 display:flex;align-items:flex-end;justify-content:space-between;gap:26px;
 flex-wrap:wrap;margin-bottom:32px;
}
.sec-head-main{max-width:660px}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:800;letter-spacing:.15em;color:var(--brand-1);
}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--grad)}
.sec-title{margin:12px 0 0;font-size:clamp(23px,2.6vw,33px);line-height:1.3;letter-spacing:-.01em}
.sec-sub{margin:12px 0 0;font-size:15px;color:var(--muted);line-height:1.8}
.sec-aside{font-size:13.5px;color:var(--muted);max-width:290px;line-height:1.75}
.sec-aside b{color:var(--brand-1);font-weight:800}
/* ===== 按钮 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);
 font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 12px 26px rgba(192,38,211,.34)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(192,38,211,.44)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn-solid{color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(109,40,217,.3)}
.btn-solid:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(109,40,217,.38)}
.btn-line{color:var(--brand-1);background:var(--surface);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-line:hover{border-color:rgba(109,40,217,.4);color:var(--brand-2);transform:translateY(-3px);box-shadow:var(--sh-2)}
/* ===== 标签 / 徽章 ===== */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:var(--r-pill);
 font-size:12.5px;font-weight:700;
 color:var(--brand-1);background:rgba(109,40,217,.1);
}
.tag--warm{color:#b45309;background:rgba(245,158,11,.16)}
.tag--rose{color:#be185d;background:rgba(236,72,153,.13)}
.tag--mute{color:var(--muted);background:rgba(122,111,146,.11)}
.tag--light{color:#fff;background:rgba(255,255,255,.16)}
.badge-num{
 display:inline-grid;place-items:center;
 min-width:26px;height:26px;padding:0 8px;border-radius:9px;
 font-size:13px;font-weight:800;color:#fff;background:var(--grad);
}
/* ===== 分类页首屏：前后对比 ===== */
.hero-cat{
 position:relative;overflow:hidden;color:#fff;
 background:radial-gradient(760px 420px at 88% -10%,rgba(236,72,153,.55),transparent 62%),
            radial-gradient(620px 380px at 4% 108%,rgba(109,40,217,.72),transparent 66%),
            linear-gradient(130deg,#1b0a30 0%,#341052 48%,#4b1157 100%);
 padding:56px 0 58px;border-radius:0 0 42px 42px;
}
.hero-cat::after{
 content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;
 border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 68%);
}
.hero-cat-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr 1fr;gap:46px;align-items:center}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:var(--r-pill);
 font-size:13px;font-weight:700;letter-spacing:.05em;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.24)}
.hero-cat h1{
 margin:20px 0 16px;
 font-size:clamp(27px,3.5vw,42px);line-height:1.2;letter-spacing:-.02em;
 text-shadow:0 12px 32px rgba(9,3,20,.4);
}
.hero-lead{font-size:15.5px;line-height:1.86;color:rgba(240,234,252,.82);max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-facts{display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14)}
.hero-fact{min-width:104px}
.hero-fact b{display:block;font-size:23px;font-weight:800;color:#fff;line-height:1.2}
.hero-fact span{font-size:12.5px;color:rgba(226,217,246,.66)}
/* 前后对比卡 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-card{
 border-radius:var(--r-lg);padding:22px 20px 20px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 backdrop-filter:blur(8px);
 transition:transform .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.compare-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.13);box-shadow:0 22px 44px rgba(9,3,20,.3)}
.compare-cap{
 display:inline-flex;align-items:center;gap:7px;
 font-size:11.5px;font-weight:800;letter-spacing:.12em;
 padding:4px 11px;border-radius:var(--r-pill);
}
.compare-card--before .compare-cap{color:#ffd7a1;background:rgba(245,158,11,.2)}
.compare-card--after .compare-cap{color:#f7d2ff;background:rgba(236,72,153,.24)}
.compare-title{margin:14px 0 12px;font-size:17px;font-weight:800;color:#fff;line-height:1.4}
.compare-list{display:flex;flex-direction:column;gap:10px}
.compare-list li{
 position:relative;padding-left:20px;font-size:13.2px;line-height:1.68;
 color:rgba(232,224,248,.78);
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
 background:rgba(255,255,255,.28);
}
.compare-card--after .compare-list li::before{background:var(--accent);box-shadow:0 0 0 3px rgba(245,158,11,.18)}
/* ===== 数据条 ===== */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 margin-top:-34px;position:relative;z-index:5;
}
.stat{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:20px 22px;box-shadow:var(--sh-2);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.stat-num{font-size:26px;font-weight:800;line-height:1.16;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num span{font-size:14px;font-weight:700}
.stat-label{margin-top:6px;font-size:13.5px;font-weight:700;color:var(--ink-2)}
.stat-note{margin-top:3px;font-size:12.5px;color:var(--muted);line-height:1.6}
/* ===== 网格与卡片 ===== */
.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
 overflow:hidden;
}
.card::after{
 content:"";position:absolute;left:0;right:0;top:0;height:3px;
 background:var(--grad);opacity:0;transition:opacity .28s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(109,40,217,.24)}
.card:hover::after{opacity:1}
.card-index{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;
 font-size:14px;font-weight:800;color:#fff;background:var(--grad);
 box-shadow:0 8px 18px rgba(162,28,175,.28);
}
.card-title{margin:16px 0 9px;font-size:17.5px;font-weight:800;line-height:1.42}
.card-text{font-size:14px;color:var(--muted);line-height:1.78}
.card-foot{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
/* ===== 方法步骤 ===== */
.steps{display:grid;gap:18px}
.step{
 display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:24px 26px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step:hover{transform:translateX(6px);box-shadow:var(--sh-2)}
.step-num{
 width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#fff;background:var(--grad);
 box-shadow:0 10px 22px rgba(162,28,175,.28);
}
.step-body h3{font-size:17px;font-weight:800;margin-bottom:8px}
.step-body p{font-size:14px;color:var(--muted);line-height:1.78}
.step-body ul{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
/* ===== 深色数据面板 ===== */
.dark-band{
 color:#fff;background:linear-gradient(140deg,#150925 0%,#2a1049 52%,#47104f 100%);
 border-radius:var(--r-xl);margin:0 auto;max-width:1180px;padding:56px 0;
 position:relative;overflow:hidden;
}
.dark-band::before{
 content:"";position:absolute;right:-160px;bottom:-180px;width:460px;height:460px;border-radius:50%;
 background:radial-gradient(circle,rgba(236,72,153,.32),transparent 68%);
}
.dark-band .wrap{position:relative;z-index:2}
.dark-band .sec-title{color:#fff}
.dark-band .sec-sub{color:rgba(226,217,246,.72)}
.dark-band .eyebrow{color:#f6b0ff}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.metric{
 padding:24px 22px;border-radius:var(--r-md);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
 transition:transform .28s var(--ease),background .28s var(--ease);
}
.metric:hover{transform:translateY(-5px);background:rgba(255,255,255,.12)}
.metric-num{font-size:34px;font-weight:800;line-height:1.06;color:#fff;letter-spacing:-.02em}
.metric-num span{font-size:15px;font-weight:700;color:var(--accent);margin-left:4px}
.metric-label{margin-top:8px;font-size:14px;font-weight:700;color:#fff}
.metric-note{margin-top:4px;font-size:12.6px;color:rgba(222,212,244,.66);line-height:1.62}
.meter-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px;padding-top:26px;border-top:1px solid rgba(255,255,255,.13)}
.meter-head{display:flex;justify-content:space-between;font-size:13px;color:rgba(226,217,246,.78);margin-bottom:10px}
.meter-head b{color:#fff;font-weight:800}
.meter-track{height:9px;border-radius:var(--r-pill);background:rgba(255,255,255,.13);overflow:hidden}
.meter-track span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#a21caf,#ec4899,#f59e0b)}
/* ===== 记录列表 ===== */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rec-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:22px 22px 20px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.rec-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(236,72,153,.28)}
.rec-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rec-time{
 font-size:12.5px;font-weight:800;color:var(--brand-2);
 padding:4px 11px;border-radius:var(--r-pill);background:var(--surface-2);
}
.rec-title{margin:15px 0 9px;font-size:17px;font-weight:800;line-height:1.45}
.rec-text{font-size:13.8px;color:var(--muted);line-height:1.76;flex:1}
.rec-meta{
 margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
 display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.4px;color:var(--muted);
}
.rec-meta span{display:inline-flex;align-items:center;gap:6px}
.rec-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-3)}
.list-more{margin-top:30px;display:flex;justify-content:center}
/* ===== 证言 ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{
 background:var(--surface);border:1px solid var(--line);border-left:4px solid transparent;
 border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.quote:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-left-color:var(--brand-3)}
.quote-text{font-size:14.4px;line-height:1.86;color:var(--ink-2)}
.quote-who{margin-top:18px;display:flex;align-items:center;gap:12px}
.quote-avatar{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#fff;background:var(--grad);
}
.quote-name{font-size:14px;font-weight:800}
.quote-role{font-size:12.5px;color:var(--muted)}
/* ===== 适用人群 ===== */
.fit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fit{
 padding:24px 22px;border-radius:var(--r-md);
 background:var(--grad-soft);border:1px solid rgba(109,40,217,.14);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.fit:hover{transform:translateY(-6px);box-shadow:var(--sh-2);background:rgba(255,255,255,.9)}
.fit h3{font-size:16px;font-weight:800;margin-bottom:8px}
.fit p{font-size:13.6px;color:var(--ink-2);line-height:1.74}
.fit-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
/* ===== FAQ ===== */
.faq{display:grid;gap:14px;max-width:920px}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
 padding:0 22px;box-shadow:var(--sh-1);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq details[open]{border-color:rgba(109,40,217,.3);box-shadow:var(--sh-2)}
.faq summary{
 list-style:none;cursor:pointer;padding:19px 0;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 font-size:15.5px;font-weight:800;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";flex:0 0 26px;height:26px;border-radius:9px;
 display:grid;place-items:center;font-size:16px;font-weight:800;
 color:var(--brand-1);background:var(--surface-2);transition:transform .24s var(--ease);
}
.faq details[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-a{padding:0 0 20px;font-size:14.2px;color:var(--muted);line-height:1.84}
/* ===== 收口 CTA ===== */
.cta-band{
 border-radius:var(--r-xl);padding:50px 48px;color:#fff;
 background:radial-gradient(520px 300px at 88% 12%,rgba(245,158,11,.32),transparent 66%),var(--grad);
 box-shadow:0 30px 60px rgba(109,40,217,.3);
 display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.5vw,30px);line-height:1.32;letter-spacing:-.01em}
.cta-band p{margin-top:14px;font-size:14.6px;line-height:1.84;color:rgba(255,255,255,.88);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn{width:100%}
.cta-note{font-size:12.6px;color:rgba(255,255,255,.76);text-align:center}
/* ===== 页脚 ===== */
.site-footer{
 margin-top:70px;padding:56px 0 30px;color:rgba(230,222,248,.74);
 background:linear-gradient(178deg,#160923 0%,#240f45 58%,#2f1049 100%);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.84;color:rgba(217,207,240,.66);max-width:370px}
.footer-title{margin:0 0 15px;font-size:13px;font-weight:800;letter-spacing:.1em;color:#fff}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(217,207,240,.68)}
.footer-list a{display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-list a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:rgba(217,207,240,.5);
}
/* ===== 响应式 ===== */
@media (max-width:1180px){
 .hero-cat-inner{grid-template-columns:1fr;gap:36px}
 .hero-lead{max-width:none}
 .grid-4,.fit-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}
 .rec-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
 .footer-grid>div:last-child{grid-column:span 3}
}
@media (max-width:1024px){
 .shell-nav{
  width:282px;transform:translateX(-100%);
  transition:transform .32s var(--ease);box-shadow:0 0 60px rgba(9,3,20,.5);
 }
 .shell-nav.is-open{transform:translateX(0)}
 .app-body{margin-left:0}
 .scrim{
  display:block;position:fixed;inset:0;z-index:65;background:rgba(15,6,28,.55);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
 }
 .scrim.is-on{opacity:1;visibility:visible}
 .topbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  position:sticky;top:0;z-index:60;padding:12px 20px;
  background:rgba(22,9,35,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.09);
 }
 .topbar-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff}
 .topbar-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:16px}
 .menu-btn{
  width:44px;height:44px;border-radius:14px;display:grid;place-content:center;gap:5px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
 }
 .menu-btn span{display:block;width:19px;height:2px;border-radius:2px;background:#fff;transition:.24s var(--ease)}
 .menu-btn:hover span:nth-child(2){width:13px}
 .dark-band{border-radius:var(--r-lg);margin:0 20px;max-width:none}
 .cta-band{grid-template-columns:1fr;padding:40px 32px}
 .stat-strip{margin-top:-24px}
}
@media (max-width:768px){
 .wrap{padding:0 20px}
 .section{padding:50px 0}
 .section--tight{padding:36px 0}
 .hero-cat{padding:42px 0 46px;border-radius:0 0 30px 30px}
 .grid-4,.grid-3,.grid-2,.rec-grid,.quote-grid,.fit-grid,.metric-grid,.meter-row{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px}
 .compare{grid-template-columns:1fr}
 .card{padding:22px 20px}
 .step{grid-template-columns:56px 1fr;gap:16px;padding:22px 20px}
 .cta-band{padding:34px 24px;border-radius:var(--r-lg)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-grid>div:first-child{grid-column:span 2}
 .footer-grid>div:last-child{grid-column:span 2}
 .faq details{padding:0 18px}
}
@media (max-width:520px){
 .stat-strip{grid-template-columns:1fr}
 .hero-facts{gap:18px}
 .hero-fact{min-width:88px}
 .btn{padding:13px 22px;font-size:14.5px}
 .sec-head{margin-bottom:24px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:span 1}
}

/* roulang page: category3 */
:root{
 --brand-1:#6d28d9;
 --brand-2:#a21caf;
 --brand-3:#ec4899;
 --accent:#f59e0b;
 --ink:#150b26;
 --ink-2:#3b2f52;
 --muted:#7a6f92;
 --bg:#f6f3fc;
 --surface:#ffffff;
 --surface-2:#f1ebfd;
 --line:#e7e0f5;
 --dark-1:#170a2b;
 --dark-2:#2a1049;
 --grad:linear-gradient(118deg,#6d28d9 0%,#a21caf 48%,#ec4899 100%);
 --grad-soft:linear-gradient(118deg,rgba(109,40,217,.12),rgba(236,72,153,.12));
 --r-xs:10px;
 --r-sm:16px;
 --r-md:22px;
 --r-lg:30px;
 --r-xl:40px;
 --r-pill:999px;
 --sh-1:0 2px 8px rgba(42,16,73,.05);
 --sh-2:0 12px 28px rgba(42,16,73,.09);
 --sh-3:0 26px 60px rgba(42,16,73,.16);
 --ease:cubic-bezier(.22,.61,.36,1);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.72;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(236,72,153,.5);outline-offset:3px;border-radius:6px}

/* ===== 容器与页面骨架 ===== */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 30px}
.page-shell{margin-left:264px;display:flex;flex-direction:column;min-height:100vh}
main{flex:1}

/* ===== 左侧 App Shell 导航 ===== */
.shell-nav{
 position:fixed;top:0;left:0;bottom:0;width:264px;z-index:70;
 display:flex;flex-direction:column;gap:24px;
 padding:30px 22px 26px;
 color:#d9cff0;
 background:linear-gradient(178deg,#160923 0%,#240f45 52%,#320f4e 100%);
 overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:44px;height:44px;flex:0 0 44px;border-radius:14px;
 display:grid;place-items:center;font-size:19px;font-weight:800;color:#fff;
 background:var(--grad);box-shadow:0 8px 20px rgba(192,38,211,.38);
}
.brand-name{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{margin-top:2px;font-size:12px;color:rgba(217,207,240,.62);letter-spacing:.06em}
.nav-links{display:flex;flex-direction:column;gap:6px}
.nav-link{
 display:flex;align-items:center;gap:11px;
 padding:11px 14px;border-radius:14px;
 font-size:15px;color:rgba(230,222,248,.78);
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link::before{
 content:"";width:6px;height:6px;border-radius:50%;
 background:rgba(230,222,248,.3);transition:.22s var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(3px)}
.nav-link:hover::before{background:var(--brand-3)}
.nav-link.is-active{
 background:linear-gradient(100deg,rgba(109,40,217,.6),rgba(236,72,153,.34));
 color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.nav-link.is-active::before{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.16)}
.nav-card{
 margin-top:auto;padding:16px;border-radius:20px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
}
.nav-card-title{font-size:11.5px;letter-spacing:.14em;color:rgba(217,207,240,.6)}
.nav-card-num{margin:8px 0 6px;font-size:28px;font-weight:800;color:#fff;line-height:1}
.nav-card-num span{font-size:13px;font-weight:600;color:rgba(217,207,240,.7);margin-left:3px}
.nav-card-text{font-size:12.5px;line-height:1.62;color:rgba(217,207,240,.68)}
.nav-foot{font-size:11.5px;color:rgba(217,207,240,.42);letter-spacing:.04em}
.topbar{
 display:none;position:sticky;top:0;z-index:80;
 align-items:center;gap:12px;padding:12px 18px;
 background:rgba(23,10,43,.96);
 color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
 backdrop-filter:blur(10px);
}
.topbar-toggle{
 width:42px;height:42px;flex:0 0 42px;border-radius:13px;
 display:grid;place-items:center;gap:4px;
 background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.14);
 transition:background .22s var(--ease),transform .22s var(--ease);
}
.topbar-toggle:hover{background:rgba(255,255,255,.2)}
.topbar-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#fff}
.topbar-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:800;color:#fff}
.topbar-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px}
.topbar-note{margin-left:auto;font-size:12px;color:rgba(217,207,240,.6);letter-spacing:.06em}
.nav-scrim{
 position:fixed;inset:0;z-index:65;background:rgba(12,4,24,.52);
 opacity:0;pointer-events:none;transition:opacity .28s var(--ease);
}
.nav-scrim.is-on{opacity:1;pointer-events:auto}

/* ===== 按钮 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);
 font-size:15px;font-weight:700;letter-spacing:.02em;
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
 border:1px solid transparent;
}
.btn:active{transform:translateY(-1px)}
.btn-primary{color:#fff;background:var(--grad);box-shadow:0 12px 26px rgba(192,38,211,.34)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(192,38,211,.44)}
.btn-outline{color:var(--brand-1);background:var(--surface);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-outline:hover{border-color:rgba(109,40,217,.42);color:var(--brand-2);transform:translateY(-3px);box-shadow:var(--sh-2)}
.btn-ghost{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}

/* ===== 标签 / 徽章 ===== */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:var(--r-pill);
 font-size:12.5px;font-weight:700;
 color:var(--brand-1);background:rgba(109,40,217,.1);
}
.tag--warm{color:#b45309;background:rgba(245,158,11,.16)}
.tag--rose{color:#be185d;background:rgba(236,72,153,.13)}
.tag--mute{color:var(--muted);background:rgba(122,111,146,.11)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 padding:5px 14px;border-radius:var(--r-pill);
 font-size:12.5px;font-weight:700;letter-spacing:.08em;
 color:var(--brand-2);background:var(--grad-soft);
 border:1px solid rgba(109,40,217,.16);
}
.badge-num{
 display:inline-grid;place-items:center;
 min-width:26px;height:26px;padding:0 8px;border-radius:9px;
 font-size:13px;font-weight:800;color:#fff;background:var(--grad);
}

/* ===== 内页首屏 ===== */
.page-hero{
 position:relative;overflow:hidden;
 padding:62px 0 54px;
 background:
 radial-gradient(760px 340px at 90% -14%,rgba(236,72,153,.17),transparent 62%),
 radial-gradient(640px 320px at 2% 112%,rgba(109,40,217,.15),transparent 60%),
 var(--bg);
 border-bottom:1px solid var(--line);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--brand-2)}
.crumb i{font-style:normal;opacity:.5}
.hero-title{font-size:clamp(28px,3.4vw,44px);line-height:1.2;letter-spacing:-.02em;margin:16px 0 14px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:640px;margin-bottom:24px}
.check-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;max-width:660px;margin-bottom:28px}
.check-strip li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.6}
.check-strip li::before{
 content:"✓";flex:0 0 20px;width:20px;height:20px;margin-top:3px;border-radius:50%;
 display:grid;place-items:center;font-size:12px;font-weight:800;color:#fff;background:var(--grad);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-foot{margin-top:18px;font-size:13px;color:var(--muted)}
.pipe-panel{
 position:relative;overflow:hidden;
 padding:28px 26px;border-radius:var(--r-lg);
 color:#eae3f8;border:1px solid rgba(255,255,255,.09);
 background:linear-gradient(165deg,#1b0b33 0%,#31114f 70%,#4a1157 100%);
 box-shadow:var(--sh-3);
}
.pipe-panel::after{
 content:"";position:absolute;right:-80px;top:-90px;width:230px;height:230px;border-radius:50%;
 background:radial-gradient(circle,rgba(236,72,153,.42),transparent 68%);
}
.pipe-title{position:relative;z-index:2;font-size:12.5px;letter-spacing:.16em;color:rgba(234,227,248,.62);margin-bottom:16px}
.pipe-steps{position:relative;z-index:2;display:flex;flex-direction:column;gap:11px;margin-bottom:20px}
.pipe-steps li{display:flex;align-items:center;gap:11px;font-size:14px;color:rgba(234,227,248,.88)}
.pipe-dot{
 width:24px;height:24px;flex:0 0 24px;border-radius:9px;
 display:grid;place-items:center;font-size:11.5px;font-weight:800;color:#fff;
 background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.14);
}
.pipe-metrics{
 position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
 padding-top:18px;border-top:1px solid rgba(255,255,255,.13);
}
.pipe-metrics strong{display:block;font-size:19px;color:#fff;line-height:1.2}
.pipe-metrics span{display:block;margin-top:4px;font-size:11.5px;color:rgba(234,227,248,.6);line-height:1.5}

/* ===== 板块通用 ===== */
.section{padding:66px 0}
.section--tint{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.sec-head-main{max-width:660px}
.sec-title{margin:12px 0 10px;font-size:clamp(22px,2.4vw,31px);line-height:1.3}
.sec-desc{font-size:15px;color:var(--muted)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:24px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(162,28,175,.28)}
.card h3{font-size:17.5px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.72}

/* 痛点卡 */
.pain-card{position:relative;padding:26px 24px 24px 26px;border-left:4px solid transparent;border-image:var(--grad) 1;border-radius:var(--r-md);background:var(--surface);box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.pain-index{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--brand-3);margin-bottom:10px}
.pain-card h3{font-size:17px;margin-bottom:8px}
.pain-card p{font-size:14.5px;color:var(--muted)}

/* 工具卡 */
.tool-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px 24px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.tool-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2);border-color:rgba(109,40,217,.3)}
.tool-icon{
 width:44px;height:44px;border-radius:14px;margin-bottom:16px;
 display:grid;place-items:center;font-size:16px;font-weight:800;color:#fff;
 background:var(--grad);box-shadow:0 10px 20px rgba(162,28,175,.28);
}
.tool-card h3{font-size:18px;margin-bottom:9px}
.tool-card p{font-size:14.5px;color:var(--muted)}

/* 步骤时间线 */
.step-list{display:grid;gap:0;margin-top:6px}
.step-item{position:relative;display:grid;grid-template-columns:58px 1fr;gap:20px;padding-bottom:28px}
.step-item::before{
 content:"";position:absolute;left:28px;top:58px;bottom:0;width:2px;
 background:linear-gradient(180deg,rgba(109,40,217,.34),rgba(236,72,153,.06));
}
.step-item:last-child{padding-bottom:0}
.step-item:last-child::before{display:none}
.step-num{
 width:58px;height:58px;border-radius:19px;
 display:grid;place-items:center;font-size:18px;font-weight:800;color:#fff;
 background:var(--grad);box-shadow:0 12px 24px rgba(162,28,175,.28);
}
.step-body h3{font-size:18px;margin:11px 0 7px}
.step-body p{font-size:14.5px;color:var(--muted)}
.step-note{
 display:inline-flex;margin-top:10px;padding:5px 12px;border-radius:var(--r-pill);
 font-size:12.5px;color:var(--brand-1);background:rgba(109,40,217,.09);
}

/* 深色数据区 */
.section--dark{
 background:linear-gradient(160deg,#170a2b 0%,#2a1049 62%,#3b0f56 100%);
 color:#eae3f8;position:relative;overflow:hidden;
 border-radius:var(--r-xl);
 max-width:1200px;margin:0 auto;
}
.section--dark::after{
 content:"";position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;
 background:radial-gradient(circle,rgba(236,72,153,.22),transparent 66%);
}
.section--dark .sec-title{color:#fff}
.section--dark .sec-desc{color:rgba(234,227,248,.68)}
.section--dark .sec-kicker{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2)}
.metric-band{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px}
.metric-cell{
 padding:26px 22px;border-radius:var(--r-md);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
 transition:transform .26s var(--ease),background .26s var(--ease);
}
.metric-cell:hover{transform:translateY(-5px);background:rgba(255,255,255,.11)}
.metric-cell strong{
 display:block;font-size:clamp(26px,3vw,36px);line-height:1;
 background:linear-gradient(100deg,#f0abfc,#fbcfe8 60%,#fed7aa);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-cell span{display:block;margin-top:10px;font-size:13.5px;color:rgba(234,227,248,.72);line-height:1.6}

/* 对比案例 */
.case-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:0;overflow:hidden;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.case-top{
 padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;
 background:var(--grad-soft);border-bottom:1px solid var(--line);
}
.case-top h3{font-size:16.5px}
.case-body{padding:22px 24px 24px}
.case-body p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.case-rows{display:grid;gap:10px}
.case-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13.5px}
.case-row span:first-child{color:var(--muted)}
.case-row b{color:var(--ink);font-size:14px}
.case-bar{height:7px;border-radius:var(--r-pill);background:rgba(122,111,146,.14);overflow:hidden;margin-top:4px}
.case-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad)}

/* 证言 */
.quote-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);padding:26px 24px 24px;box-shadow:var(--sh-1);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.quote-card::before{
 content:"“";position:absolute;top:6px;right:20px;font-size:56px;line-height:1;
 color:rgba(162,28,175,.14);font-family:Georgia,serif;
}
.quote-card p{font-size:14.8px;color:var(--ink-2);position:relative;z-index:2}
.quote-meta{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{
 width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#fff;background:var(--grad);
}
.quote-meta b{display:block;font-size:14px}
.quote-meta em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* 适用人群 */
.persona-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:center}
.persona-chips{display:flex;flex-wrap:wrap;gap:12px}
.persona-chip{
 padding:12px 20px;border-radius:var(--r-pill);
 font-size:14.5px;font-weight:700;color:var(--ink-2);
 background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
 transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.persona-chip:hover{transform:translateY(-4px);color:var(--brand-2);border-color:rgba(162,28,175,.34)}
.persona-list{display:grid;gap:14px;margin-top:22px}
.persona-list li{display:flex;gap:11px;font-size:14.5px;color:var(--ink-2)}
.persona-list li::before{
 content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--grad);
}

/* 资讯列表 */
.news-list{border-top:1px solid var(--line)}
.news-item{
 display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;
 padding:18px 6px;border-bottom:1px solid var(--line);
 transition:background .24s var(--ease),padding-left .24s var(--ease);
}
.news-item:hover{background:var(--surface);padding-left:16px}
.news-date{font-size:13px;color:var(--muted);letter-spacing:.04em}
.news-item h3{font-size:16.5px;line-height:1.5}
.news-item p{margin-top:5px;font-size:13.5px;color:var(--muted)}
.news-more{
 display:inline-flex;margin-top:26px;font-size:14.5px;font-weight:700;color:var(--brand-2);
 transition:gap .24s var(--ease),color .24s var(--ease);
}
.news-more:hover{color:var(--brand-3)}

/* CTA + 表单 */
.cta-panel{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.06fr .94fr;gap:34px;align-items:center;
 padding:44px;border-radius:var(--r-xl);color:#fff;
 background:var(--grad);box-shadow:var(--sh-3);
}
.cta-panel::after{
 content:"";position:absolute;left:-90px;bottom:-130px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,255,255,.24),transparent 68%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(23px,2.6vw,32px);line-height:1.28;margin-bottom:12px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.86);max-width:520px}
.cta-form-wrap{position:relative;z-index:2}
.cta-form{
 display:flex;gap:10px;padding:8px;border-radius:var(--r-pill);
 background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
}
.cta-form input{
 flex:1;min-width:0;padding:0 16px;font-size:14.5px;color:#fff;
 background:transparent;border:0;outline:none;
}
.cta-form input::placeholder{color:rgba(255,255,255,.66)}
.cta-form button{
 flex:0 0 auto;padding:12px 24px;border-radius:var(--r-pill);
 font-size:14.5px;font-weight:800;color:var(--brand-1);background:#fff;
 transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form button:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(20,4,40,.28)}
.cta-tips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.cta-tips span{
 padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;
 background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
}

/* ===== 页脚 ===== */
.site-footer{
 margin-top:40px;color:rgba(233,226,248,.78);
 background:linear-gradient(180deg,#170a2b 0%,#2a1049 100%);
}
.footer-inner{padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:16.5px;font-weight:800;color:#fff}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:16px}
.footer-about{margin-top:14px;max-width:360px;font-size:13.5px;line-height:1.8;color:rgba(233,226,248,.62)}
.footer-title{margin:0 0 14px;font-size:13px;font-weight:800;letter-spacing:.12em;color:#fff}
.footer-list{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(233,226,248,.66)}
.footer-list a{transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-list a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 font-size:12.5px;color:rgba(233,226,248,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1180px){
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .persona-layout{grid-template-columns:1fr;gap:26px}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .metric-band{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
 .page-shell{margin-left:0}
 .topbar{display:flex}
 .shell-nav{
  width:286px;transform:translateX(-102%);
  transition:transform .3s var(--ease);box-shadow:var(--sh-3);
 }
 .shell-nav.is-open{transform:translateX(0)}
 .nav-card{margin-top:20px}
 .cta-panel{grid-template-columns:1fr;padding:36px}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .wrap{padding:0 20px}
 .section{padding:52px 0}
 .page-hero{padding:46px 0 42px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .check-strip{grid-template-columns:1fr}
 .metric-band{grid-template-columns:1fr}
 .news-item{grid-template-columns:1fr;gap:8px;padding:16px 4px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .pipe-metrics{grid-template-columns:1fr 1fr}
 .step-item{grid-template-columns:48px 1fr;gap:16px}
 .step-num{width:48px;height:48px;border-radius:16px;font-size:16px}
 .step-item::before{left:23px;top:48px}
}
@media (max-width:520px){
 .hero-title{font-size:27px}
 .hero-lead{font-size:15.5px}
 .btn{width:100%;padding:13px 20px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .cta-form{flex-direction:column;border-radius:var(--r-lg);padding:14px}
 .cta-form input{padding:8px 12px;text-align:center}
 .cta-form button{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .pipe-metrics{grid-template-columns:1fr}
 .section--dark{border-radius:var(--r-lg)}
}