/* roulang page: index */
:root{
  --bg:#f4f7f6;
  --surface:#ffffff;
  --surface-2:#eef4f2;
  --ink:#0e1b19;
  --ink-2:#3c4f4b;
  --muted:#6d817d;
  --border:#e2eae8;
  --brand:#0f9b8e;
  --brand-600:#0b8175;
  --brand-deep:#07211f;
  --accent:#f2a33c;
  --accent-soft:#fdf2e2;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:28px;
  --shadow-xs:0 1px 2px rgba(12,32,29,.05);
  --shadow-sm:0 2px 6px rgba(12,32,29,.06),0 10px 26px rgba(12,32,29,.05);
  --shadow-md:0 14px 38px rgba(12,32,29,.10);
  --shadow-lg:0 28px 70px rgba(7,33,31,.20);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,textarea{font:inherit;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:76px 0;}
.bg-white{background:var(--surface);}
.bg-soft{background:var(--bg);}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);}
.section-head{max-width:780px;margin-bottom:46px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-title{font-size:clamp(25px,3.3vw,35px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin-top:14px;}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:16.5px;line-height:1.9;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(9,32,30,.34);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:background .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--border);
  box-shadow:0 10px 28px rgba(12,32,29,.08);
}
.nav-wrap{
  display:flex;align-items:center;gap:28px;
  max-width:var(--container);margin:0 auto;padding:14px 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),#0c6f66);
  color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 6px 16px rgba(15,155,142,.35);
}
.brand-text{font-size:17.5px;font-weight:800;letter-spacing:.02em;color:#eaf4f2;transition:color .3s ease;}
.site-header.scrolled .brand-text{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:11px;
  font-size:15px;font-weight:600;color:rgba(234,244,242,.86);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.16);}
.site-header.scrolled .nav-links a{color:var(--ink-2);}
.site-header.scrolled .nav-links a:hover{color:var(--brand-600);background:rgba(15,155,142,.09);}
.site-header.scrolled .nav-links a.active{color:var(--brand-600);background:rgba(15,155,142,.12);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  transition:background .3s ease,border-color .3s ease;
}
.nav-search i{font-size:13px;color:rgba(234,244,242,.75);}
.nav-search input{
  width:132px;border:0;background:transparent;outline:none;
  font-size:14px;color:#eaf4f2;
}
.nav-search input::placeholder{color:rgba(234,244,242,.6);}
.site-header.scrolled .nav-search{background:#f2f7f6;border-color:var(--border);}
.site-header.scrolled .nav-search i{color:var(--muted);}
.site-header.scrolled .nav-search input{color:var(--ink);}
.site-header.scrolled .nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
  color:#eaf4f2;cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}
.site-header.scrolled .nav-toggle{color:var(--ink);border-color:var(--border);background:#f2f7f6;}
.mobile-nav{display:none;flex-direction:column;gap:4px;padding:12px 20px 20px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--border);box-shadow:0 18px 40px rgba(12,32,29,.12);}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:12px 12px;border-radius:12px;font-weight:600;color:var(--ink);}
.mobile-nav a:hover{background:#f1f6f5;}
.mobile-nav a.active{color:var(--brand-600);background:rgba(15,155,142,.1);}
.mobile-cta{margin-top:6px;text-align:center;background:var(--brand);color:#fff !important;}
.mobile-cta:hover{background:var(--brand-600);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(15,155,142,.30);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,155,142,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border);box-shadow:var(--shadow-xs);}
.btn-light:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.07);color:#eaf4f2;border-color:rgba(255,255,255,.3);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep);
  padding:152px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(760px 420px at 12% 6%,rgba(15,155,142,.36),transparent 62%),
    radial-gradient(620px 380px at 88% 20%,rgba(242,163,60,.16),transparent 60%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  font-size:13.5px;font-weight:600;color:#bfe4df;
}
.hero-kicker i{color:var(--accent);font-size:12px;}
.hero h1{
  margin-top:22px;font-size:clamp(30px,4.4vw,46px);
  line-height:1.28;font-weight:800;letter-spacing:-.025em;color:#fff;
}
.hero h1 em{font-style:normal;color:#6fe0d2;}
.hero-lead{margin-top:22px;font-size:16.5px;line-height:1.95;color:rgba(226,241,238,.82);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.13);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(206,229,225,.78);}
.hero-meta i{color:var(--brand);}
.hero-panel{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.15);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-lg);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.panel-title{font-size:15.5px;font-weight:700;color:#fff;}
.panel-hint{font-size:12.5px;color:rgba(190,220,215,.7);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{
  padding:8px 16px;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);
  color:rgba(226,241,238,.85);font-size:13.5px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:rgba(255,255,255,.16);color:#fff;}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.scene-list{display:flex;flex-direction:column;gap:12px;margin-top:18px;min-height:212px;}
.scene-item{
  padding:15px 17px;border-radius:16px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  transition:background .22s ease,transform .22s ease;
}
.scene-item:hover{background:rgba(255,255,255,.12);transform:translateX(3px);}
.scene-text{font-size:15px;line-height:1.7;color:#fff;font-weight:600;}
.scene-meta{margin-top:7px;font-size:13px;color:rgba(190,220,215,.75);line-height:1.65;}
.panel-foot{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(190,220,215,.72);}

/* ---------- 通用卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-xs);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,155,142,.3);}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(15,155,142,.1);color:var(--brand-600);font-size:17px;margin-bottom:18px;
}
.card-title{font-size:17.5px;font-weight:700;letter-spacing:-.01em;}
.card-text{margin-top:10px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
.card-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--accent-soft);color:#a1601a;border:1px solid #f6dfc0;
}
.tag-brand{background:rgba(15,155,142,.1);color:var(--brand-600);border-color:rgba(15,155,142,.22);}
.tag-plain{background:#f2f7f6;color:var(--ink-2);border-color:var(--border);}

/* ---------- 亮点数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.stat-strip div{background:#fff;padding:26px 24px;}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.03em;color:var(--brand-600);}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted);}

/* ---------- 工具演示台 ---------- */
.tool-shell{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:32px;align-items:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow-sm);
}
.step-list{display:flex;flex-direction:column;gap:18px;margin-top:26px;}
.step{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:rgba(15,155,142,.1);color:var(--brand-600);font-weight:800;font-size:14px;
}
.step h3{font-size:16px;font-weight:700;}
.step p{margin-top:6px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.preview-card{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;
}
.preview-tag{display:inline-flex;padding:5px 12px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:12.5px;font-weight:600;color:var(--brand-600);}
.preview-text{margin-top:16px;font-size:17px;line-height:1.85;font-weight:600;color:var(--ink);}
.preview-note{margin-top:12px;font-size:13.5px;color:var(--muted);line-height:1.75;}
.preview-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:18px;border-top:1px dashed var(--border);flex-wrap:wrap;}
.copy-btn{
  padding:9px 18px;border-radius:999px;border:1px solid var(--brand);
  background:#fff;color:var(--brand-600);font-size:13.5px;font-weight:700;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.copy-btn:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}

/* ---------- 分类入口墙 ---------- */
.channel-card{
  position:relative;display:flex;flex-direction:column;justify-content:space-between;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;min-height:236px;overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.channel-card::after{
  content:"";position:absolute;right:-46px;top:-46px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,155,142,.16),transparent 68%);
  transition:transform .4s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(15,155,142,.34);}
.channel-card:hover::after{transform:scale(1.25);}
.channel-name{font-size:21px;font-weight:800;letter-spacing:-.02em;position:relative;}
.channel-desc{margin-top:12px;font-size:14.6px;color:var(--ink-2);line-height:1.85;position:relative;}
.channel-link{position:relative;margin-top:22px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-600);}
.channel-link i{transition:transform .24s ease;}
.channel-card:hover .channel-link i{transform:translateX(4px);}

/* ---------- 成长路径 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.path-item{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-xs);
  transition:transform .24s ease,box-shadow .24s ease;
}
.path-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.path-index{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brand);}
.path-item h3{margin-top:12px;font-size:17px;font-weight:700;}
.path-item p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- 氛围 ---------- */
.mood-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.mood-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-xs);
}
.mood-item i{font-size:17px;color:var(--brand);margin-top:4px;}
.mood-item h3{font-size:16px;font-weight:700;}
.mood-item p{margin-top:8px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- 版本更新 ---------- */
.log-list{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;}
.log-row{display:flex;gap:22px;padding:22px 26px;border-bottom:1px solid var(--border);align-items:flex-start;transition:background .2s ease;}
.log-row:last-child{border-bottom:0;}
.log-row:hover{background:#f8fbfa;}
.log-ver{flex:0 0 82px;font-size:13.5px;font-weight:800;color:var(--brand-600);letter-spacing:.02em;}
.log-body h3{font-size:15.8px;font-weight:700;}
.log-body p{margin-top:6px;font-size:14.4px;line-height:1.8;color:var(--ink-2);}

/* ---------- 深色数据看板 ---------- */
.dark-band{background:var(--brand-deep);color:#e6f2ef;}
.dark-band .section-title{color:#fff;}
.dark-band .section-desc{color:rgba(214,236,232,.78);}
.dark-band .eyebrow{color:#62d8ca;}
.dark-band .eyebrow::before{background:#62d8ca;}
.kpi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.kpi{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:26px;transition:background .24s ease;
}
.kpi:hover{background:rgba(255,255,255,.11);}
.kpi-num{font-size:32px;font-weight:800;letter-spacing:-.03em;color:#fff;}
.kpi-num small{font-size:16px;font-weight:700;color:#7ce0d4;margin-left:4px;}
.kpi-label{margin-top:8px;font-size:13.8px;color:rgba(206,232,228,.74);}
.bar-block{margin-top:38px;display:flex;flex-direction:column;gap:20px;}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:14px;color:rgba(214,236,232,.86);margin-bottom:9px;}
.bar-track{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#12b3a0,#6fe0d2);}
.bar-fill.alt{background:linear-gradient(90deg,#e08b2a,#f5c37c);}

/* ---------- 精选清单 ---------- */
.pick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.pick-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-xs);
  transition:border-color .22s ease,transform .22s ease;
}
.pick-item:hover{border-color:rgba(15,155,142,.34);transform:translateY(-3px);}
.pick-no{flex:0 0 auto;font-size:15px;font-weight:800;color:var(--brand);letter-spacing:.04em;}
.pick-item h3{font-size:16px;font-weight:700;}
.pick-item p{margin-top:8px;font-size:14.4px;line-height:1.82;color:var(--ink-2);}
.more-row{margin-top:30px;display:flex;justify-content:center;}

/* ---------- 口碑 ---------- */
.quote-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;justify-content:space-between;
  transition:transform .24s ease,box-shadow .24s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote-text{font-size:15.2px;line-height:1.9;color:var(--ink);}
.quote-meta{margin-top:20px;display:flex;align-items:center;gap:12px;}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(15,155,142,.12);color:var(--brand-600);font-weight:800;font-size:14px;
}
.quote-name{font-size:14px;font-weight:700;}
.quote-role{font-size:12.5px;color:var(--muted);}

/* ---------- 场景矩阵 ---------- */
.matrix{display:flex;flex-wrap:wrap;gap:12px;}
.matrix span{
  padding:11px 20px;border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:14.2px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow-xs);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.matrix span:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-2px);}

/* ---------- 资讯 ---------- */
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 26px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.news-item:hover{border-color:rgba(15,155,142,.32);transform:translateY(-3px);box-shadow:var(--shadow-sm);}
.news-date{flex:0 0 96px;font-size:13px;color:var(--muted);padding-top:4px;}
.news-item h3{font-size:16.5px;font-weight:700;}
.news-item p{margin-top:8px;font-size:14.5px;line-height:1.82;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:6px 24px;box-shadow:var(--shadow-xs);transition:border-color .22s ease,box-shadow .22s ease;}
.faq-item[open]{border-color:rgba(15,155,142,.34);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--brand);transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item p{padding:0 0 22px;font-size:14.8px;line-height:1.9;color:var(--ink-2);}

/* ---------- 投稿 ---------- */
.submit-shell{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:38px;box-shadow:var(--shadow-sm);
}
.submit-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.submit-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.6px;color:var(--ink-2);line-height:1.8;}
.submit-points i{color:var(--brand);margin-top:5px;font-size:14px;}
.field{display:block;margin-bottom:18px;}
.field span{display:block;font-size:13.6px;font-weight:700;color:var(--ink-2);margin-bottom:9px;}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:14px;border:1px solid var(--border);
  background:#fbfdfc;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.8;}
.field input:focus,.field textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(15,155,142,.12);outline:none;}
.privacy-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.75;}
.form-tip{margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-600);min-height:22px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#081a18;color:rgba(214,236,232,.76);padding:72px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14.4px;line-height:1.9;max-width:340px;color:rgba(198,224,220,.72);}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;font-size:14.2px;padding:6px 0;color:rgba(206,229,225,.74);transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#6fe0d2;transform:translateX(3px);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.2px;color:rgba(180,208,204,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .tool-shell{grid-template-columns:1fr;gap:28px;}
  .submit-shell{grid-template-columns:1fr;gap:28px;}
  .grid-4,.path-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:860px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .kpi-grid{grid-template-columns:1fr;}
  .mood-list,.pick-list,.grid-2{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:68px 0;}
  .section--tight{padding:56px 0;}
  .hero{padding:126px 0 70px;}
  .nav-wrap{padding:12px 18px;gap:16px;}
  .nav-search{display:none;}
  .grid-3,.grid-4,.path-grid{grid-template-columns:1fr;}
  .log-row{flex-direction:column;gap:8px;padding:20px;}
  .log-ver{flex:none;}
  .news-item{flex-direction:column;gap:8px;}
  .news-date{flex:none;padding-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .tool-shell,.submit-shell{padding:24px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:15.4px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:20px;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .card,.channel-card,.path-item{padding:22px;}
}

/* roulang page: category1 */
:root{
 --bg:#f4f7f6;
 --surface:#ffffff;
 --surface-2:#eef4f2;
 --ink:#0e1b19;
 --ink-2:#3c4f4b;
 --muted:#6d817d;
 --border:#e2eae8;
 --brand:#0f9b8e;
 --brand-600:#0b8175;
 --brand-deep:#07211f;
 --accent:#f2a33c;
 --accent-soft:#fdf2e2;
 --radius-sm:12px;
 --radius:18px;
 --radius-lg:28px;
 --shadow-xs:0 1px 2px rgba(12,32,29,.05);
 --shadow-sm:0 2px 6px rgba(12,32,29,.06),0 10px 26px rgba(12,32,29,.05);
 --shadow-md:0 14px 38px rgba(12,32,29,.10);
 --shadow-lg:0 28px 70px rgba(7,33,31,.20);
 --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:92px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--surface-2);}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);}
.eyebrow--light{color:#7fd6cb;}
.eyebrow--light::before{background:#7fd6cb;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-title{font-size:clamp(25px,3.3vw,35px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin:14px 0 0;}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:16.5px;line-height:1.9;}

/* ---------- 导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:80;
 background:rgba(9,32,30,.34);
 -webkit-backdrop-filter:blur(16px) saturate(150%);
 backdrop-filter:blur(16px) saturate(150%);
 border-bottom:1px solid rgba(255,255,255,.14);
 transition:background .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.site-header.scrolled{
 background:rgba(255,255,255,.94);
 border-bottom-color:var(--border);
 box-shadow:0 10px 28px rgba(12,32,29,.08);
}
.nav-wrap{
 display:flex;align-items:center;gap:26px;
 max-width:var(--container);margin:0 auto;padding:14px 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#0c6f66);
 color:#fff;font-weight:800;font-size:16px;
 box-shadow:0 6px 16px rgba(15,155,142,.35);
}
.brand-text{font-size:17.5px;font-weight:800;letter-spacing:.02em;color:#eaf4f2;transition:color .3s ease;}
.site-header.scrolled .brand-text{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
 position:relative;padding:9px 14px;border-radius:11px;
 font-size:15px;font-weight:600;color:rgba(234,244,242,.86);
 transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.16);}
.site-header.scrolled .nav-links a{color:var(--ink-2);}
.site-header.scrolled .nav-links a:hover{color:var(--brand-600);background:rgba(15,155,142,.09);}
.site-header.scrolled .nav-links a.active{color:var(--brand-600);background:rgba(15,155,142,.12);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
 display:flex;align-items:center;gap:8px;
 padding:8px 14px;border-radius:999px;
 background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.2);
 transition:background .3s ease,border-color .3s ease;
}
.nav-search i{font-size:13px;color:rgba(234,244,242,.75);}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:14px;color:#eaf4f2;}
.nav-search input::placeholder{color:rgba(234,244,242,.6);}
.site-header.scrolled .nav-search{background:#f2f7f6;border-color:var(--border);}
.site-header.scrolled .nav-search i{color:var(--muted);}
.site-header.scrolled .nav-search input{color:var(--ink);}
.site-header.scrolled .nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:12px;
 border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
 color:#eaf4f2;cursor:pointer;transition:background .2s ease,color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}
.site-header.scrolled .nav-toggle{color:var(--ink);border-color:var(--border);background:#f2f7f6;}
.mobile-nav{
 display:none;flex-direction:column;gap:4px;padding:12px 20px 20px;
 background:rgba(255,255,255,.98);border-bottom:1px solid var(--border);
 box-shadow:0 18px 40px rgba(12,32,29,.12);
}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:12px;border-radius:12px;font-weight:600;color:var(--ink);}
.mobile-nav a:hover{background:#f1f6f5;}
.mobile-nav a.active{color:var(--brand-600);background:rgba(15,155,142,.1);}
.mobile-cta{margin-top:6px;text-align:center;background:var(--brand);color:#fff !important;}
.mobile-cta:hover{background:var(--brand-600) !important;}

/* ---------- 按钮 / 标签 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;
 transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:14px;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(15,155,142,.30);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,155,142,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border);box-shadow:var(--shadow-xs);}
.btn-light:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.07);color:#eaf4f2;border-color:rgba(255,255,255,.3);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-ghost{background:rgba(15,155,142,.08);color:var(--brand-600);}
.btn-ghost:hover{background:rgba(15,155,142,.15);transform:translateY(-2px);}
.badge{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.03em;
 background:var(--surface-2);color:var(--ink-2);border:1px solid var(--border);
}
.badge--brand{background:rgba(15,155,142,.1);color:var(--brand-600);border-color:rgba(15,155,142,.22);}
.badge--accent{background:var(--accent-soft);color:#a8650f;border-color:#f4ddb8;}
.badge--deep{background:rgba(255,255,255,.12);color:#d6ece8;border-color:rgba(255,255,255,.2);}

/* ---------- 内页首屏 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:158px 0 88px;
 color:#eaf4f2;
 background:
  radial-gradient(900px 420px at 82% -14%,rgba(15,155,142,.42),transparent 62%),
  radial-gradient(700px 380px at 6% 8%,rgba(242,163,60,.16),transparent 60%),
  linear-gradient(158deg,#08211f,#0a2b28 56%,#061a19);
}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                  linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:radial-gradient(720px 420px at 70% 20%,#000,transparent 78%);
 -webkit-mask-image:radial-gradient(720px 420px at 70% 20%,#000,transparent 78%);
}
.page-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .85fr;gap:56px;align-items:center;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#8fb2ad;margin-bottom:18px;}
.crumb a{color:#a9c8c3;transition:color .2s ease;}
.crumb a:hover{color:#fff;}
.crumb i{font-size:10px;opacity:.7;}
.page-title{
 font-size:clamp(27px,3.9vw,43px);line-height:1.26;font-weight:800;
 letter-spacing:-.022em;color:#fff;margin:16px 0 0;
}
.page-lead{margin-top:20px;max-width:660px;color:#a7c4c0;font-size:16.5px;line-height:1.95;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;margin:28px 0 0;padding:0;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:#b6cec9;}
.hero-trust i{color:#57c8ba;font-size:13px;}
.hero-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.15);
 border-radius:var(--radius-lg);
 padding:26px 24px;
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 box-shadow:0 26px 60px rgba(3,18,17,.35);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-panel-head strong{font-size:15.5px;color:#fff;letter-spacing:.02em;}
.hero-panel-head span{font-size:12.5px;color:#8fb2ad;}
.mini-rank{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.mini-rank li{display:flex;align-items:center;gap:12px;font-size:14.5px;color:#dcece9;}
.mini-num{
 width:24px;height:24px;flex-shrink:0;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,255,255,.12);font-size:12.5px;font-weight:800;color:#8fe0d4;
}
.mini-rank li:nth-child(1) .mini-num{background:rgba(242,163,60,.28);color:#ffd79a;}
.mini-rank li:nth-child(2) .mini-num{background:rgba(242,163,60,.2);color:#ffd79a;}
.mini-rank li:nth-child(3) .mini-num{background:rgba(242,163,60,.14);color:#f7cd95;}
.mini-text{flex:1;line-height:1.6;}
.hero-panel-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#93b6b1;}

/* ---------- 数据条 ---------- */
.stat-strip{
 position:relative;z-index:3;margin-top:-38px;
}
.stat-strip-inner{
 display:grid;grid-template-columns:repeat(4,1fr);
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-md);
 overflow:hidden;
}
.stat-item{padding:26px 26px;border-right:1px solid var(--border);}
.stat-item:last-child{border-right:0;}
.stat-value{font-size:29px;font-weight:800;letter-spacing:-.02em;color:var(--brand-600);line-height:1.2;}
.stat-value small{font-size:14px;font-weight:700;margin-left:3px;color:var(--muted);}
.stat-label{margin-top:6px;font-size:14px;color:var(--ink-2);font-weight:600;}
.stat-note{margin-top:4px;font-size:12.8px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:26px;
 box-shadow:var(--shadow-xs);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,155,142,.32);}
.card-icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:rgba(15,155,142,.1);color:var(--brand-600);font-size:17px;margin-bottom:16px;
}
.card h3{margin:0;font-size:18px;font-weight:800;letter-spacing:-.01em;}
.card p{margin:12px 0 0;color:var(--ink-2);font-size:15px;line-height:1.85;}
.card-quote{
 margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
 background:var(--surface-2);border-left:3px solid var(--brand);
 font-size:14.6px;color:var(--ink);line-height:1.75;
}
.card-foot{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 语气档位 ---------- */
.tone-card{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-xs);
 transition:transform .26s ease,box-shadow .26s ease;
}
.tone-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.tone-card::before{
 content:"";position:absolute;left:26px;right:26px;top:0;height:4px;border-radius:0 0 4px 4px;
 background:linear-gradient(90deg,var(--brand),#7fd6cb);
}
.tone-card.tone-mid::before{background:linear-gradient(90deg,var(--accent),#f9cf95);}
.tone-card.tone-high::before{background:linear-gradient(90deg,#e0614b,#f2a33c);}
.tone-level{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--brand-600);}
.tone-card.tone-mid .tone-level{color:#b4771a;}
.tone-card.tone-high .tone-level{color:#c04a37;}
.tone-card h3{margin:10px 0 0;font-size:19px;font-weight:800;}
.tone-card p{margin:12px 0 0;color:var(--ink-2);font-size:15px;line-height:1.85;}
.tone-list{list-style:none;margin:16px 0 0;padding:0;}
.tone-list li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:14.6px;color:var(--ink);padding:8px 0;border-bottom:1px dashed var(--border);
}
.tone-list li:last-child{border-bottom:0;}
.tone-list i{color:var(--brand);font-size:12px;margin-top:7px;}

/* ---------- 短句清单 ---------- */
.phrase-block{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
}
.phrase-block-head{
 display:flex;flex-wrap:wrap;align-items:center;gap:12px;
 padding:22px 28px;border-bottom:1px solid var(--border);background:var(--surface-2);
}
.phrase-block-head h3{margin:0;font-size:17.5px;font-weight:800;}
.phrase-block-head .spacer{margin-left:auto;}
.phrase-list{list-style:none;margin:0;padding:0;}
.phrase-item{
 display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;
 padding:20px 28px;border-bottom:1px solid var(--border);
 transition:background .2s ease;
}
.phrase-item:last-child{border-bottom:0;}
.phrase-item:hover{background:#f8fbfa;}
.phrase-text{font-size:16px;color:var(--ink);line-height:1.75;font-weight:600;}
.phrase-meta{margin-top:8px;display:flex;flex-wrap:wrap;gap:8px;}
.phrase-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}

/* ---------- 场景适配 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-xs);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,155,142,.3);}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.scene-ico{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-deep);color:#8fe0d4;font-size:15px;
}
.scene-card h3{margin:0;font-size:17.5px;font-weight:800;}
.scene-line{
 padding:14px 16px;border-radius:var(--radius-sm);background:var(--surface-2);
 font-size:15px;line-height:1.8;color:var(--ink);margin-bottom:12px;
}
.scene-warn{display:flex;gap:10px;font-size:14.2px;color:#a8650f;line-height:1.75;}
.scene-warn i{margin-top:4px;color:var(--accent);}

/* ---------- 改写对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;}
.compare-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
}
.compare-card.is-mid{border-color:rgba(15,155,142,.35);box-shadow:var(--shadow-sm);}
.compare-tag{
 align-self:flex-start;font-size:12.5px;font-weight:800;letter-spacing:.08em;
 padding:4px 11px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);
}
.compare-card.is-mid .compare-tag{background:rgba(15,155,142,.12);color:var(--brand-600);}
.compare-sentence{
 margin:16px 0 0;font-size:16.5px;font-weight:700;line-height:1.7;color:var(--ink);
}
.compare-note{margin-top:14px;font-size:14.4px;color:var(--muted);line-height:1.8;}

/* ---------- 排行榜 ---------- */
.rank-wrap{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.rank-row{
 display:grid;grid-template-columns:60px 1fr 150px 110px;gap:16px;align-items:center;
 padding:18px 26px;border-bottom:1px solid var(--border);transition:background .2s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:#f8fbfa;}
.rank-no{font-size:20px;font-weight:800;color:var(--muted);letter-spacing:-.02em;}
.rank-row:nth-child(1) .rank-no{color:var(--accent);}
.rank-row:nth-child(2) .rank-no{color:#c98a3c;}
.rank-row:nth-child(3) .rank-no{color:#8aa8a3;}
.rank-main strong{display:block;font-size:15.8px;font-weight:700;line-height:1.65;}
.rank-main span{font-size:13.4px;color:var(--muted);}
.rank-bar{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#69cdbe);}
.rank-score{font-size:14.6px;font-weight:800;color:var(--brand-600);text-align:right;}

/* ---------- 投稿 / 更新 ---------- */
.submit-wrap{
 display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--ink-2);}
.field input,.field textarea{
 width:100%;padding:13px 16px;border-radius:var(--radius-sm);
 border:1px solid var(--border);background:var(--surface);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field textarea:focus{
 outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,155,142,.12);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.75;}
.form-hint{font-size:13.4px;color:var(--muted);margin-top:4px;}
.timeline{list-style:none;margin:0;padding:0;position:relative;}
.timeline li{
 position:relative;padding:0 0 26px 32px;border-left:2px solid var(--border);
}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0;}
.timeline li::before{
 content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);
}
.timeline strong{display:block;font-size:15.6px;font-weight:800;}
.timeline span{display:block;font-size:14.2px;color:var(--muted);margin-top:4px;line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:940px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:rgba(15,155,142,.35);box-shadow:var(--shadow-sm);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 display:flex;align-items:center;gap:16px;
 font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";margin-left:auto;font-size:20px;font-weight:700;color:var(--brand-600);
 transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15.4px;line-height:1.95;}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:56px 48px;color:#eaf4f2;
 background:
  radial-gradient(600px 300px at 88% 0%,rgba(15,155,142,.5),transparent 60%),
  linear-gradient(145deg,#08211f,#0c3230 70%,#07211f);
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,163,60,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.cta-inner h2{margin:0;font-size:clamp(23px,2.9vw,31px);font-weight:800;letter-spacing:-.02em;color:#fff;}
.cta-inner p{margin:14px 0 0;max-width:600px;color:#a9c4c0;font-size:16px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#c6d6d3;padding:64px 0 26px;margin-top:0;}
.site-footer .brand-text{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:#8ea8a4;font-size:14.5px;line-height:1.9;margin-top:16px;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;}
.footer-col a,.footer-col span{display:block;color:#8ea8a4;font-size:14.5px;padding:5px 0;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.09);margin-top:44px;padding-top:22px;
 font-size:13.5px;color:#7d9692;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .nav-search{display:none;}
 .page-hero-inner{grid-template-columns:1fr;gap:40px;}
 .stat-strip-inner{grid-template-columns:repeat(2,1fr);}
 .stat-item:nth-child(2){border-right:0;}
 .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border);}
 .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
 .compare-grid{grid-template-columns:1fr;}
 .rank-row{grid-template-columns:44px 1fr 120px;gap:14px;}
 .rank-bar{display:none;}
 .submit-wrap{grid-template-columns:1fr;gap:36px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
 .nav-links{display:none;}
 .nav-toggle{display:grid;place-items:center;}
 .section{padding:68px 0;}
 .section--tight{padding:56px 0;}
 .page-hero{padding:128px 0 64px;}
 .grid-3,.grid-2,.grid-4,.scene-grid{grid-template-columns:1fr;}
 .phrase-item{grid-template-columns:1fr;gap:12px;padding:18px 20px;}
 .phrase-tags{justify-content:flex-start;}
 .cta-band{padding:40px 26px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-brand p{max-width:none;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .nav-wrap{padding:12px 18px;gap:12px;}
 .brand-text{font-size:16px;}
 .btn{padding:12px 20px;font-size:14.4px;width:100%;}
 .hero-actions,.cta-actions{flex-direction:column;align-items:stretch;}
 .stat-strip-inner{grid-template-columns:1fr;}
 .stat-item{border-right:0 !important;border-bottom:1px solid var(--border);}
 .stat-item:last-child{border-bottom:0;}
 .stat-strip{margin-top:-24px;}
 .page-title{font-size:24px;}
 .phrase-block-head{padding:18px 20px;}
 .rank-row{grid-template-columns:36px 1fr;padding:16px 18px;}
 .rank-score{grid-column:2;text-align:left;}
 .faq-item summary{padding:16px 18px;font-size:15.4px;}
 .faq-body{padding:0 18px 18px;}
}

/* roulang page: category3 */
:root{
 --bg:#f4f7f6;
 --surface:#ffffff;
 --surface-2:#eef4f2;
 --ink:#0e1b19;
 --ink-2:#3c4f4b;
 --muted:#6d817d;
 --border:#e2eae8;
 --brand:#0f9b8e;
 --brand-600:#0b8175;
 --brand-deep:#07211f;
 --accent:#f2a33c;
 --accent-soft:#fdf2e2;
 --radius-sm:12px;
 --radius:18px;
 --radius-lg:28px;
 --shadow-xs:0 1px 2px rgba(12,32,29,.05);
 --shadow-sm:0 2px 6px rgba(12,32,29,.06),0 10px 26px rgba(12,32,29,.05);
 --shadow-md:0 14px 38px rgba(12,32,29,.10);
 --shadow-lg:0 28px 70px rgba(7,33,31,.20);
 --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
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{max-width:100%;display:block;}
button,input{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--surface-2);}
.section--dark{background:var(--brand-deep);color:#eaf4f2;}
[id]{scroll-margin-top:96px;}

.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);}
.section-head{max-width:780px;margin-bottom:46px;}
.section-head--wide{max-width:900px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-title{font-size:clamp(25px,3.3vw,35px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin-top:14px;}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:16.5px;line-height:1.9;}
.section--dark .section-title{color:#fff;}
.section--dark .section-desc{color:rgba(234,244,242,.72);}

/* ---------- 导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:80;
 background:rgba(9,32,30,.34);
 -webkit-backdrop-filter:blur(16px) saturate(150%);
 backdrop-filter:blur(16px) saturate(150%);
 border-bottom:1px solid rgba(255,255,255,.14);
 transition:background .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.site-header.scrolled{
 background:rgba(255,255,255,.94);
 border-bottom-color:var(--border);
 box-shadow:0 10px 28px rgba(12,32,29,.08);
}
.nav-wrap{
 display:flex;align-items:center;gap:28px;
 max-width:var(--container);margin:0 auto;padding:14px 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#0c6f66);
 color:#fff;font-weight:800;font-size:16px;
 box-shadow:0 6px 16px rgba(15,155,142,.35);
}
.brand-text{font-size:17.5px;font-weight:800;letter-spacing:.02em;color:#eaf4f2;transition:color .3s ease;}
.site-header.scrolled .brand-text{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
 position:relative;padding:9px 14px;border-radius:11px;
 font-size:15px;font-weight:600;color:rgba(234,244,242,.86);
 transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.16);}
.site-header.scrolled .nav-links a{color:var(--ink-2);}
.site-header.scrolled .nav-links a:hover{color:var(--brand-600);background:rgba(15,155,142,.09);}
.site-header.scrolled .nav-links a.active{color:var(--brand-600);background:rgba(15,155,142,.12);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
 display:flex;align-items:center;gap:8px;
 padding:8px 14px;border-radius:999px;
 background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.2);
 transition:background .3s ease,border-color .3s ease;
}
.nav-search i{font-size:13px;color:rgba(234,244,242,.75);}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:14px;color:#eaf4f2;}
.nav-search input::placeholder{color:rgba(234,244,242,.6);}
.site-header.scrolled .nav-search{background:#f2f7f6;border-color:var(--border);}
.site-header.scrolled .nav-search i{color:var(--muted);}
.site-header.scrolled .nav-search input{color:var(--ink);}
.site-header.scrolled .nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:12px;
 border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
 color:#eaf4f2;cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}
.site-header.scrolled .nav-toggle{color:var(--ink);border-color:var(--border);background:#f2f7f6;}
.mobile-nav{
 display:none;flex-direction:column;gap:4px;padding:12px 20px 20px;
 background:rgba(255,255,255,.98);border-bottom:1px solid var(--border);
 box-shadow:0 18px 40px rgba(12,32,29,.12);
}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:12px;border-radius:12px;font-weight:600;color:var(--ink);}
.mobile-nav a:hover{background:#f1f6f5;}
.mobile-nav a.active{color:var(--brand-600);background:rgba(15,155,142,.1);}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;
 transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(15,155,142,.30);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,155,142,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border);box-shadow:var(--shadow-xs);}
.btn-light:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.07);color:#eaf4f2;border-color:rgba(255,255,255,.3);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:rgba(15,155,142,.35);}
.btn-ghost:hover{background:rgba(15,155,142,.09);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- 标签 ---------- */
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;
 background:var(--surface-2);color:var(--ink-2);
}
.tag--brand{background:rgba(15,155,142,.1);color:var(--brand-600);}
.tag--accent{background:var(--accent-soft);color:#a4660f;}
.tag--glass{background:rgba(255,255,255,.14);color:rgba(234,244,242,.9);border:1px solid rgba(255,255,255,.2);}

/* ---------- Hero ---------- */
.hero{
 position:relative;overflow:hidden;color:#eaf4f2;
 padding:150px 0 96px;
 background:radial-gradient(1100px 620px at 82% -12%,rgba(15,155,142,.55),transparent 62%),
            linear-gradient(158deg,#061c1a 0%,#0a2b28 44%,#0b3f3a 100%);
}
.hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                  linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:radial-gradient(760px 520px at 70% 20%,#000,transparent 78%);
 -webkit-mask-image:radial-gradient(760px 520px at 70% 20%,#000,transparent 78%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.12fr .88fr;
 gap:56px;align-items:center;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
 font-size:13.5px;font-weight:600;color:#c8f2ec;
}
.hero-title{
 margin-top:22px;
 font-size:clamp(29px,4vw,50px);
 line-height:1.2;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.hero-title span{color:#7fe0d5;}
.hero-desc{
 margin-top:20px;max-width:590px;
 font-size:17px;line-height:1.9;color:rgba(234,244,242,.79);
}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-meta{
 margin-top:38px;display:flex;gap:34px;flex-wrap:wrap;
 padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-meta-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta-item strong{font-size:15.5px;font-weight:700;color:#fff;}
.hero-meta-item span{font-size:13.5px;color:rgba(234,244,242,.62);}

.verse-card{
 position:relative;width:100%;max-width:330px;margin-left:auto;
 min-height:552px;border-radius:30px;padding:24px 22px 22px;
 display:flex;flex-direction:column;
 background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.05));
 border:1px solid rgba(255,255,255,.24);
 box-shadow:var(--shadow-lg);
 -webkit-backdrop-filter:blur(14px);
 backdrop-filter:blur(14px);
}
.verse-card::before{
 content:"";position:absolute;inset:0;border-radius:30px;
 background:radial-gradient(320px 200px at 100% 0%,rgba(242,163,60,.28),transparent 70%);
 pointer-events:none;
}
.verse-top{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(234,244,242,.75);}
.verse-index{
 padding:3px 11px;border-radius:999px;
 background:rgba(255,255,255,.16);color:#fff;font-weight:700;font-size:12.5px;
}
.verse-lines{margin:26px 0 auto;display:flex;flex-direction:column;gap:18px;}
.verse-line{
 display:flex;gap:12px;font-size:16px;line-height:1.65;color:#f2fbf9;font-weight:600;
}
.verse-line span{
 flex-shrink:0;width:26px;height:26px;border-radius:9px;
 display:grid;place-items:center;font-size:12px;font-weight:700;
 background:rgba(255,255,255,.15);color:#9fe9e0;
}
.verse-foot{
 display:flex;gap:8px;flex-wrap:wrap;margin-top:28px;
 padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
}

/* ---------- 数据条 ---------- */
.stat-section{padding:64px 0 24px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-xs);
 border-left:3px solid var(--brand);
 transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:nth-child(2){border-left-color:var(--accent);}
.stat-card:nth-child(4){border-left-color:#8fd6ce;}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.stat-num{font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1;}
.stat-label{display:block;margin-top:8px;font-size:14.5px;font-weight:700;color:var(--brand-600);}
.stat-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- 通用卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:28px 26px;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-sm);border-color:rgba(15,155,142,.35);}
.card-title{font-size:18px;font-weight:750;margin-top:18px;letter-spacing:-.01em;}
.card-text{margin-top:10px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
.icon-badge{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--surface-2);color:var(--brand-600);font-size:18px;
}
.icon-badge--accent{background:var(--accent-soft);color:#b7750f;}
.card-line{
 margin-top:18px;padding-top:16px;border-top:1px dashed var(--border);
 font-size:14px;color:var(--muted);
}
.card-line strong{color:var(--ink);font-weight:650;}
.card-tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- 场景适配 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
 padding:20px 20px 22px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.scene-item:hover{border-color:rgba(15,155,142,.4);transform:translateY(-3px);box-shadow:var(--shadow-xs);}
.scene-item i{font-size:16px;color:var(--brand);}
.scene-item h3{margin-top:12px;font-size:16px;font-weight:700;}
.scene-item p{margin-top:8px;font-size:13.8px;line-height:1.75;color:var(--muted);}

/* ---------- 步骤演示 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;}
.step{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:30px 26px 28px;box-shadow:var(--shadow-xs);
}
.step::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:22px;right:24px;
 font-size:26px;font-weight:800;color:rgba(15,155,142,.16);letter-spacing:-.02em;
}
.step h3{font-size:17.5px;font-weight:750;margin-top:16px;}
.step p{margin-top:10px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
.step-quote{
 margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
 background:var(--surface-2);font-size:14.5px;color:var(--brand-deep);font-weight:600;
}
.dialog-demo{
 margin-top:34px;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-xs);
 display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;
}
.dialog-col h3{font-size:15px;font-weight:700;color:var(--brand-600);letter-spacing:.04em;}
.bubble{
 margin-top:14px;padding:14px 18px;border-radius:16px 16px 16px 4px;
 background:var(--surface-2);font-size:15px;line-height:1.75;color:var(--ink);
}
.bubble--right{
 border-radius:16px 16px 4px 16px;
 background:rgba(15,155,142,.1);color:var(--brand-deep);
}
.dialog-note{
 grid-column:1/-1;margin-top:6px;padding-top:20px;border-top:1px solid var(--border);
 font-size:14.2px;color:var(--muted);
}

/* ---------- 档位 ---------- */
.tier{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-xs);
 display:flex;flex-direction:column;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tier:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.tier--feature{border-color:rgba(15,155,142,.5);box-shadow:var(--shadow-sm);}
.tier--feature::after{
 content:"最常用";position:absolute;top:-13px;left:28px;
 padding:4px 14px;border-radius:999px;background:var(--brand);color:#fff;
 font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.tier h3{font-size:20px;font-weight:800;letter-spacing:-.01em;}
.tier .tier-sub{margin-top:6px;font-size:14px;color:var(--muted);}
.tier .tier-num{
 margin-top:22px;font-size:36px;font-weight:800;letter-spacing:-.03em;color:var(--brand-600);line-height:1;
}
.tier .tier-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.tier-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.tier-list li{display:flex;gap:10px;font-size:14.8px;color:var(--ink-2);line-height:1.7;}
.tier-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.tier .btn{margin-top:26px;width:100%;}

/* ---------- 口碑 ---------- */
.quote{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:28px 26px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
 transition:transform .25s ease,box-shadow .25s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.quote-mark{font-size:22px;color:rgba(15,155,142,.35);}
.quote p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--ink-2);}
.quote-who{
 margin-top:22px;padding-top:18px;border-top:1px solid var(--border);
 display:flex;align-items:center;gap:12px;
}
.avatar{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#0c6f66);color:#fff;font-weight:700;font-size:15px;
}
.quote-who strong{display:block;font-size:14.5px;font-weight:700;}
.quote-who span{font-size:13px;color:var(--muted);}

/* ---------- 清单列表 ---------- */
.list-shell{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:12px 30px;box-shadow:var(--shadow-xs);
}
.list-row{
 display:flex;align-items:center;gap:20px;
 padding:22px 0;border-bottom:1px solid var(--border);
 transition:background .2s ease,padding .2s ease;
}
.list-row:last-child{border-bottom:0;}
.list-row:hover{background:rgba(15,155,142,.035);}
.list-idx{
 flex-shrink:0;width:40px;height:40px;border-radius:13px;
 display:grid;place-items:center;background:var(--surface-2);
 font-weight:800;font-size:14.5px;color:var(--brand-600);
}
.list-body{flex:1;min-width:0;}
.list-body h3{font-size:16.5px;font-weight:700;}
.list-body p{margin-top:6px;font-size:14.2px;line-height:1.7;color:var(--muted);}
.list-meta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 margin-bottom:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:rgba(15,155,142,.4);box-shadow:var(--shadow-xs);}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
 padding:22px 26px;font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
 margin-left:auto;font-size:13px;color:var(--brand-600);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item p{padding:0 26px 24px;font-size:15px;line-height:1.9;color:var(--ink-2);}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:56px 52px;color:#eaf4f2;
 background:radial-gradient(760px 420px at 88% 0%,rgba(15,155,142,.6),transparent 62%),
            linear-gradient(140deg,#061c1a,#0a2f2b 60%,#0d4740);
 box-shadow:var(--shadow-md);
 display:flex;align-items:center;gap:40px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(23px,2.9vw,31px);font-weight:800;letter-spacing:-.02em;line-height:1.35;color:#fff;}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.9;color:rgba(234,244,242,.76);max-width:640px;}
.cta-actions{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(234,244,242,.72);margin-top:96px;}
.site-footer .brand-text{color:#eaf4f2;}
.footer-grid{
 display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;
 padding:70px 0 44px;
}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(234,244,242,.62);max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:#eaf4f2;margin-bottom:16px;}
.footer-col a,.footer-col span{
 display:block;padding:6px 0;font-size:14.5px;color:rgba(234,244,242,.62);
 transition:color .2s ease;
}
.footer-col a:hover{color:#8fe3da;}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:22px 0 32px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13.5px;color:rgba(234,244,242,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero{padding:132px 0 76px;}
 .hero-inner{grid-template-columns:1fr;gap:44px;}
 .hero-desc{max-width:none;}
 .verse-card{margin:0 auto;max-width:300px;min-height:auto;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .scene-grid{grid-template-columns:repeat(3,1fr);}
 .steps{grid-template-columns:1fr;}
 .dialog-demo{grid-template-columns:1fr;}
 .grid-3{grid-template-columns:1fr 1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .nav-links{display:none;}
 .nav-toggle{display:grid;place-items:center;}
}
@media (max-width:768px){
 .container{padding:0 20px;}
 .section{padding:70px 0;}
 .section--tight{padding:56px 0;}
 .hero{padding:118px 0 64px;}
 .hero-title{font-size:clamp(26px,6.4vw,34px);}
 .hero-actions{width:100%;}
 .hero-actions .btn{flex:1 1 auto;}
 .hero-meta{gap:22px;}
 .nav-search{display:none;}
 .grid-2,.grid-3,.grid-4,.scene-grid{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:1fr 1fr;}
 .list-shell{padding:8px 20px;}
 .list-row{flex-wrap:wrap;gap:14px;}
 .list-meta{justify-content:flex-start;}
 .cta-band{padding:38px 26px;}
 .cta-actions{margin-left:0;width:100%;}
 .cta-actions .btn{flex:1 1 auto;}
 .dialog-demo{padding:24px 20px;}
 .footer-grid{grid-template-columns:1fr;gap:30px;padding:52px 0 34px;}
}
@media (max-width:520px){
 .stat-grid{grid-template-columns:1fr;}
 .brand-text{font-size:16px;}
 .verse-card{padding:20px 18px;border-radius:24px;}
 .section-title{font-size:24px;}
 .faq-item summary{padding:18px 20px;font-size:15.5px;gap:12px;}
 .faq-item p{padding:0 20px 20px;}
 .tier{padding:26px 22px;}
}

/* roulang page: category2 */
:root{
 --bg:#f4f7f6;
 --surface:#ffffff;
 --surface-2:#eef4f2;
 --ink:#0e1b19;
 --ink-2:#3c4f4b;
 --muted:#6d817d;
 --border:#e2eae8;
 --brand:#0f9b8e;
 --brand-600:#0b8175;
 --brand-deep:#07211f;
 --accent:#f2a33c;
 --accent-soft:#fdf2e2;
 --radius-sm:12px;
 --radius:18px;
 --radius-lg:28px;
 --shadow-xs:0 1px 2px rgba(12,32,29,.05);
 --shadow-sm:0 2px 6px rgba(12,32,29,.06),0 10px 26px rgba(12,32,29,.05);
 --shadow-md:0 14px 38px rgba(12,32,29,.10);
 --shadow-lg:0 28px 70px rgba(7,33,31,.20);
 --container:1200px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
*,*::before,*::after{box-sizing:border-box;}
.site-body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,textarea{font:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:78px 0;}
.section--alt{background:linear-gradient(180deg,#ffffff 0%,#eef4f2 100%);}
.section--dark{background:linear-gradient(150deg,#07211f 0%,#0b3b37 100%);color:#eaf4f2;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);}
.section--dark .eyebrow{color:#7fe0d3;}
.section--dark .eyebrow::before{background:#7fe0d3;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-title{font-size:clamp(25px,3.3vw,35px);line-height:1.32;font-weight:800;letter-spacing:-.02em;margin-top:14px;}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:16.5px;line-height:1.9;}
.section--dark .section-desc{color:rgba(234,244,242,.76);}
/* ---------- 导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;right:0;z-index:80;
 background:rgba(9,32,30,.34);
 -webkit-backdrop-filter:blur(16px) saturate(150%);
 backdrop-filter:blur(16px) saturate(150%);
 border-bottom:1px solid rgba(255,255,255,.14);
 transition:background .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.site-header.scrolled{
 background:rgba(255,255,255,.94);
 border-bottom-color:var(--border);
 box-shadow:0 10px 28px rgba(12,32,29,.08);
}
.nav-wrap{
 display:flex;align-items:center;gap:28px;
 max-width:var(--container);margin:0 auto;padding:14px 24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
 width:34px;height:34px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#0c6f66);
 color:#fff;font-weight:800;font-size:16px;
 box-shadow:0 6px 16px rgba(15,155,142,.35);
}
.brand-text{font-size:17.5px;font-weight:800;letter-spacing:.02em;color:#eaf4f2;transition:color .3s ease;}
.site-header.scrolled .brand-text{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
 position:relative;padding:9px 14px;border-radius:11px;
 font-size:15px;font-weight:600;color:rgba(234,244,242,.86);
 transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-links a.active{color:#fff;background:rgba(255,255,255,.16);}
.site-header.scrolled .nav-links a{color:var(--ink-2);}
.site-header.scrolled .nav-links a:hover{color:var(--brand-600);background:rgba(15,155,142,.09);}
.site-header.scrolled .nav-links a.active{color:var(--brand-600);background:rgba(15,155,142,.12);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
 display:flex;align-items:center;gap:8px;
 padding:8px 14px;border-radius:999px;
 background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.2);
 transition:background .3s ease,border-color .3s ease;
}
.nav-search i{font-size:13px;color:rgba(234,244,242,.75);}
.nav-search input{width:132px;border:0;background:transparent;outline:none;font-size:14px;color:#eaf4f2;}
.nav-search input::placeholder{color:rgba(234,244,242,.6);}
.site-header.scrolled .nav-search{background:#f2f7f6;border-color:var(--border);}
.site-header.scrolled .nav-search i{color:var(--muted);}
.site-header.scrolled .nav-search input{color:var(--ink);}
.site-header.scrolled .nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:12px;
 border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
 color:#eaf4f2;cursor:pointer;place-items:center;transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}
.site-header.scrolled .nav-toggle{color:var(--ink);border-color:var(--border);background:#f2f7f6;}
.mobile-nav{display:none;flex-direction:column;gap:4px;padding:12px 20px 20px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--border);box-shadow:0 18px 40px rgba(12,32,29,.12);}
.mobile-nav.open{display:flex;}
.mobile-nav a{padding:12px;border-radius:12px;font-weight:600;color:var(--ink);}
.mobile-nav a:hover{background:#f1f6f5;}
.mobile-nav a.active{color:var(--brand-600);background:rgba(15,155,142,.1);}
.mobile-cta{margin-top:6px;text-align:center;background:var(--brand);color:#fff !important;}
.mobile-cta:hover{background:var(--brand-600);}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;
 transition:transform .22s ease,background .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px rgba(15,155,142,.30);}
.btn-primary:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,155,142,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(15,155,142,.28);}
.btn-light{background:#fff;color:var(--ink);border-color:var(--border);box-shadow:var(--shadow-xs);}
.btn-light:hover{border-color:var(--brand);color:var(--brand-600);transform:translateY(-2px);}
.btn-outline-light{background:rgba(255,255,255,.07);color:#eaf4f2;border-color:rgba(255,255,255,.3);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
/* ---------- 徽标 / 标签 ---------- */
.badge{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;
 background:var(--surface-2);color:var(--ink-2);border:1px solid var(--border);
}
.badge-brand{background:rgba(15,155,142,.10);color:var(--brand-600);border-color:rgba(15,155,142,.20);}
.badge-accent{background:var(--accent-soft);color:#a8641a;border-color:#f6dcb8;}
.icon-badge{
 width:46px;height:46px;border-radius:14px;
 display:grid;place-items:center;
 background:rgba(15,155,142,.10);color:var(--brand-600);font-size:18px;
 flex-shrink:0;
}
/* ---------- 首屏 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:152px 0 92px;
 background:linear-gradient(155deg,#07211f 0%,#0b3b37 54%,#0f9b8e 145%);
 color:#eaf4f2;
}
.page-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:
  radial-gradient(720px 340px at 84% 10%, rgba(242,163,60,.22), transparent 68%),
  radial-gradient(620px 320px at 6% 90%, rgba(15,155,142,.34), transparent 70%);
}
.page-hero .container{position:relative;z-index:1;}
.hero-chip{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:999px;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
 font-size:13.5px;font-weight:600;color:#d7f0ec;
}
.hero-title{
 font-size:clamp(30px,4.4vw,50px);
 line-height:1.22;font-weight:800;letter-spacing:-.02em;
 margin:22px 0 0;
}
.hero-lead{
 margin-top:20px;max-width:660px;
 font-size:17px;line-height:1.95;color:rgba(234,244,242,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.hero-tags span{
 padding:6px 14px;border-radius:999px;
 font-size:13.5px;font-weight:600;
 background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.16);
 color:#cfeae5;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 margin:38px 0 0;padding-top:28px;
 border-top:1px solid rgba(255,255,255,.16);
}
.hero-metrics dt{font-size:26px;font-weight:800;letter-spacing:-.01em;}
.hero-metrics dd{margin:4px 0 0;font-size:13.5px;color:rgba(234,244,242,.7);line-height:1.6;}
/* 首屏右侧面板 */
.panel{
 background:rgba(255,255,255,.98);
 border-radius:var(--radius-lg);
 padding:26px 24px;
 color:var(--ink);
 box-shadow:var(--shadow-lg);
 border:1px solid rgba(255,255,255,.6);
}
.panel-title{font-size:17px;font-weight:800;}
.panel-note{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.panel-list{list-style:none;margin:18px 0 0;padding:0;}
.panel-item{
 display:flex;align-items:center;gap:14px;
 padding:13px 12px;border-radius:14px;
 transition:background .2s ease,transform .2s ease;
}
.panel-item:hover{background:#f2f7f6;transform:translateX(3px);}
.panel-item .idx{
 width:30px;height:30px;border-radius:10px;flex-shrink:0;
 display:grid;place-items:center;
 font-size:13px;font-weight:800;
 background:rgba(15,155,142,.10);color:var(--brand-600);
}
.panel-item strong{display:block;font-size:15px;font-weight:700;line-height:1.5;}
.panel-item em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px;}
.panel-item .count{margin-left:auto;font-size:12.5px;font-weight:700;color:var(--brand-600);background:rgba(15,155,142,.09);border-radius:999px;padding:3px 10px;white-space:nowrap;}
.panel-foot{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);font-size:13.5px;color:var(--muted);}
/* ---------- 通用卡片 ---------- */
.card{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius);
 padding:26px;
 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-md);border-color:#cde5e1;}
.card-title{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-top:16px;}
.card-desc{margin-top:10px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.card-foot{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 margin-top:20px;padding-top:16px;border-top:1px solid var(--border);
 font-size:13.5px;color:var(--muted);
}
.card-foot strong{color:var(--brand-600);font-size:15px;}
/* ---------- 场景矩阵 ---------- */
.scene-list{
 display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
}
.scene-row{
 display:flex;gap:18px;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:22px 24px;
 transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.scene-row:hover{border-color:#cde5e1;box-shadow:var(--shadow-sm);transform:translateY(-3px);}
.scene-num{
 font-size:13px;font-weight:800;color:var(--brand-600);
 background:rgba(15,155,142,.09);border-radius:10px;
 padding:5px 10px;height:fit-content;letter-spacing:.04em;
}
.scene-name{font-size:17px;font-weight:800;}
.scene-desc{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.scene-sample{
 margin-top:14px;padding:12px 16px;
 border-left:3px solid var(--accent);
 background:var(--accent-soft);
 border-radius:0 12px 12px 0;
 font-size:14.5px;line-height:1.75;color:#6d4a17;
}
/* ---------- 对话演示 ---------- */
.demo-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.demo-stage{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:26px;
 box-shadow:var(--shadow-sm);
}
.demo-stage-head{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding-bottom:16px;margin-bottom:20px;border-bottom:1px solid var(--border);
}
.demo-stage-head span{font-size:13.5px;color:var(--muted);}
.demo-msg{
 max-width:84%;padding:13px 17px;border-radius:18px;
 font-size:15px;line-height:1.75;margin-bottom:14px;
}
.demo-msg .who{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:5px;opacity:.75;}
.demo-msg.from{background:#f2f7f6;border:1px solid var(--border);border-top-left-radius:6px;}
.demo-msg.me{background:var(--brand);color:#fff;margin-left:auto;border-top-right-radius:6px;}
.demo-gap{
 text-align:center;font-size:13px;color:var(--muted);
 margin:6px 0 16px;letter-spacing:.08em;
}
.demo-gap::before,.demo-gap::after{content:"·";margin:0 8px;opacity:.5;}
.side-card{
 background:linear-gradient(160deg,#07211f,#0b3b37);
 color:#eaf4f2;border-radius:var(--radius-lg);padding:28px 26px;
 box-shadow:var(--shadow-md);
}
.side-card h3{font-size:19px;font-weight:800;margin:0;}
.side-card p{margin:10px 0 0;font-size:14.5px;line-height:1.85;color:rgba(234,244,242,.76);}
.check-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:14.8px;line-height:1.75;}
.check-list i{color:#7fe0d3;font-size:14px;margin-top:5px;}
/* ---------- 语气调档 ---------- */
.tone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tone-card{
 border-radius:var(--radius);padding:26px;
 border:1px solid var(--border);background:var(--surface);
 box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease;
}
.tone-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.tone-card h3{font-size:17px;font-weight:800;margin:14px 0 0;}
.tone-card p{margin:12px 0 0;font-size:15px;line-height:1.85;color:var(--ink-2);}
.tone-soft{background:linear-gradient(180deg,#ffffff,#f2f9f8);}
.tone-bold{background:linear-gradient(180deg,#ffffff,#f4f7fb);}
.tone-fun{background:linear-gradient(180deg,#ffffff,#fdf6ea);}
.tone-card .icon-badge{background:rgba(15,155,142,.10);}
.tone-bold .icon-badge{background:rgba(58,110,165,.12);color:#33608f;}
.tone-fun .icon-badge{background:rgba(242,163,60,.16);color:#b17420;}
/* ---------- 复盘案例 ---------- */
.case-stack{display:grid;gap:20px;}
.case-item{
 display:grid;grid-template-columns:64px 1fr;gap:22px;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:26px;
 box-shadow:var(--shadow-xs);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.case-item:hover{box-shadow:var(--shadow-sm);border-color:#cde5e1;}
.case-idx{
 width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#fff;
 background:linear-gradient(140deg,var(--brand),#0c6f66);
}
.case-item h3{font-size:18px;font-weight:800;margin:0;}
.case-item .badge{margin-left:10px;}
.case-block{margin-top:14px;font-size:14.8px;line-height:1.85;color:var(--ink-2);}
.case-block b{color:var(--ink);}
.case-result{
 margin-top:16px;padding:12px 16px;border-radius:12px;
 background:rgba(15,155,142,.07);
 border:1px dashed rgba(15,155,142,.28);
 font-size:14.5px;color:#0a6a60;line-height:1.75;
}
/* ---------- 语料包 ---------- */
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
.pack-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:30px 26px;
 box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease;
}
.pack-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.pack-featured{
 background:linear-gradient(160deg,#07211f,#0d4a44);
 color:#eaf4f2;border-color:transparent;
 box-shadow:var(--shadow-md);
}
.pack-card h3{font-size:20px;font-weight:800;margin:0;}
.pack-card .pack-sub{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
.pack-featured .pack-sub{color:rgba(234,244,242,.75);}
.pack-price{margin-top:22px;font-size:28px;font-weight:800;letter-spacing:-.01em;}
.pack-price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:8px;}
.pack-featured .pack-price small{color:rgba(234,244,242,.7);}
.pack-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px;font-size:14.8px;line-height:1.7;}
.pack-list li{display:flex;gap:10px;color:var(--ink-2);}
.pack-featured .pack-list li{color:rgba(234,244,242,.84);}
.pack-list i{color:var(--brand);margin-top:5px;font-size:13px;}
.pack-featured .pack-list i{color:#7fe0d3;}
.pack-card .btn{margin-top:26px;width:100%;}
/* ---------- 口碑 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote-card{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:24px;
 box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.quote-card i.fa-quote-left{color:rgba(15,155,142,.28);font-size:20px;}
.quote-card p{margin:14px 0 0;font-size:15px;line-height:1.9;color:var(--ink-2);}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border);}
.avatar{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#fff;
 background:linear-gradient(140deg,#0f9b8e,#0b6a60);
}
.quote-meta strong{display:block;font-size:14.5px;}
.quote-meta em{font-style:normal;font-size:12.5px;color:var(--muted);}
/* ---------- 更新列表 ---------- */
.post-list{display:grid;gap:14px;}
.post-row{
 display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius);padding:20px 24px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-row:hover{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:#cde5e1;}
.post-date{font-size:13.5px;color:var(--muted);letter-spacing:.02em;}
.post-row h3{font-size:16.5px;font-weight:700;margin:0;}
.post-row p{margin:6px 0 0;font-size:14px;color:var(--ink-2);line-height:1.7;}
.post-arrow{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(15,155,142,.09);color:var(--brand-600);transition:background .22s ease,color .22s ease;}
.post-row:hover .post-arrow{background:var(--brand);color:#fff;}
/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:52px 48px;
 background:linear-gradient(150deg,#07211f 0%,#0d4a44 78%,#0f9b8e 150%);
 color:#eaf4f2;
 box-shadow:var(--shadow-md);
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,163,60,.26),transparent 66%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35;margin:0;}
.cta-band p{margin:16px 0 0;font-size:15.5px;line-height:1.9;color:rgba(234,244,242,.78);}
.cta-form{display:flex;gap:12px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 8px 8px 22px;}
.cta-form input{flex:1;min-width:0;border:0;background:transparent;outline:none;color:#fff;font-size:15px;}
.cta-form input::placeholder{color:rgba(234,244,242,.55);}
.cta-note{margin-top:14px;font-size:13.5px;color:rgba(234,244,242,.66);}
.form-msg{margin-top:12px;font-size:14px;color:#9df0e3;min-height:20px;}
/* ---------- 页脚 ---------- */
.site-footer{background:#061a19;color:rgba(234,244,242,.76);padding-top:64px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#eaf4f2;}
.footer-brand p{font-size:14.5px;line-height:1.9;max-width:360px;margin:0;}
.footer-col h4{font-size:15px;font-weight:800;color:#eaf4f2;margin:0 0 16px;}
.footer-col a,.footer-col span{display:block;font-size:14.5px;padding:6px 0;color:rgba(234,244,242,.68);transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#7fe0d3;transform:translateX(3px);}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:22px 24px 30px;
 border-top:1px solid rgba(255,255,255,.10);
 font-size:13.5px;color:rgba(234,244,242,.55);
 max-width:var(--container);margin:0 auto;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .nav-links{display:none;}
 .nav-search{display:none;}
 .nav-toggle{display:grid;}
 .section{padding:74px 0;}
 .section--tight{padding:62px 0;}
 .page-hero{padding:132px 0 74px;}
 .demo-wrap{grid-template-columns:1fr;}
 .tone-grid{grid-template-columns:repeat(2,1fr);}
 .pack-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
 .quote-grid{grid-template-columns:repeat(2,1fr);}
 .cta-inner{grid-template-columns:1fr;gap:28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:60px 0;}
 .page-hero{padding:118px 0 62px;}
 .hero-metrics{grid-template-columns:repeat(2,1fr);gap:16px;}
 .scene-list{grid-template-columns:1fr;}
 .quote-grid{grid-template-columns:1fr;}
 .post-row{grid-template-columns:1fr;gap:10px;}
 .post-arrow{display:none;}
 .case-item{grid-template-columns:1fr;gap:16px;}
 .cta-band{padding:36px 24px;}
 .nav-wrap{padding:12px 18px;gap:16px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
 .hero-title{font-size:28px;}
 .hero-lead{font-size:15.5px;}
 .hero-actions .btn{width:100%;}
 .tone-grid{grid-template-columns:1fr;}
 .cta-form{flex-direction:column;border-radius:22px;padding:16px;}
 .cta-form .btn{width:100%;}
 .brand-text{font-size:16px;}
 .footer-bottom{flex-direction:column;gap:8px;}
}