/* roulang page: index */
:root{
  --bg:#060D10;
  --bg-2:#0C1A1F;
  --panel:rgba(18,38,44,.55);
  --panel-solid:#0F2229;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#17D3B4;
  --primary-dark:#0E9E88;
  --accent:#FFB067;
  --muted-blue:#8FA9C9;
  --success:#3FD07A;
  --error:#FF7A6B;
  --text:#E7F2F1;
  --text-2:#9DB2B4;
  --text-3:#6C8285;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:8px;
  --shadow-card:0 18px 40px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(23,211,180,.35), 0 8px 30px rgba(23,211,180,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gap:24px;
  --section-y:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.3;letter-spacing:.01em;font-style:normal;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:700;}
h2{font-size:clamp(24px,3vw,36px);}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;position:relative;}
.section-tight{padding:64px 0;}
.num{font-variant-numeric:tabular-nums;font-family:Inter,"Space Grotesk",-apple-system,"PingFang SC",sans-serif;}
.glass{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);backdrop-filter:blur(16px) saturate(130%);-webkit-backdrop-filter:blur(16px) saturate(130%);box-shadow:var(--shadow-card);}

/* ============ 顶部浮动 Dock 导航 ============ */
.dock-wrap{position:fixed;top:18px;left:0;right:0;z-index:900;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:92vw;max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  background:rgba(12,26,31,.72);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  box-shadow:0 14px 40px rgba(0,0,0,.45);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{height:60px;background:rgba(9,20,24,.92);box-shadow:0 16px 44px rgba(0,0,0,.58);}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.dock-logo:hover{color:var(--text);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#04110F;font-weight:700;font-size:14px;letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(23,211,180,.32);
}
.logo-text{font-size:15px;font-weight:600;white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.dock-links a{
  display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.dock-links a.is-active{color:var(--primary);background:rgba(23,211,180,.12);box-shadow:inset 0 0 0 1px rgba(23,211,180,.28);}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--text-2);border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);background:rgba(23,211,180,.10);border-color:rgba(23,211,180,.25);}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;place-items:center;color:var(--text);border:1px solid var(--line);}
.menu-btn:hover{color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:#04110F;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04110F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,211,180,.5),0 12px 34px rgba(23,211,180,.35);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--text);border:1px solid var(--line-strong);
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(23,211,180,.5);background:rgba(23,211,180,.06);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;}
.btn-link span{transition:transform .2s var(--ease);}
.btn-link:hover span{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-badge);
  font-size:13px;line-height:1.4;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.badge-accent{color:var(--accent);background:rgba(255,176,103,.12);border-color:rgba(255,176,103,.28);}
.badge-primary{color:var(--primary);background:rgba(23,211,180,.12);border-color:rgba(23,211,180,.28);}
.tag{display:inline-block;padding:4px 10px;border-radius:var(--r-badge);font-size:12px;color:var(--muted-blue);background:rgba(143,169,201,.12);border:1px solid rgba(143,169,201,.22);}

/* ============ Hero ============ */
.hero{
  position:relative;padding:168px 0 88px;
  background-image:linear-gradient(180deg,rgba(6,13,16,.86) 0%,rgba(6,13,16,.74) 45%,rgba(6,13,16,.96) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:50%;top:-160px;width:760px;height:420px;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(23,211,180,.20),transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero-eyebrow{margin-bottom:20px;}
.hero h1{margin-bottom:20px;max-width:15em;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:34em;line-height:1.9;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;}
.trust-item{
  display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(18,38,44,.55);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);
  backdrop-filter:blur(16px) saturate(130%);-webkit-backdrop-filter:blur(16px) saturate(130%);
}
.trust-item i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);}
.hero-side{padding:18px;display:flex;flex-direction:column;gap:16px;}
.hero-side-img{position:relative;border-radius:var(--r-img);overflow:hidden;background:linear-gradient(140deg,rgba(23,211,180,.18),rgba(12,26,31,.9));}
.hero-side-img img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);}
.hero-side-list{display:flex;flex-direction:column;}
.hero-side-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);}
.hero-side-list li:last-child{border-bottom:0;padding-bottom:2px;}
.hero-side-list li b{color:var(--text);font-weight:600;}
.hero-side-list li em{font-style:normal;color:var(--primary);font-variant-numeric:tabular-nums;}

/* ============ 通用板块头 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--primary);box-shadow:0 0 14px rgba(23,211,180,.6);}
.section-head p{color:var(--text-2);font-size:15px;max-width:46em;margin-top:10px;}
.head-block{flex:1;min-width:280px;}

/* ============ 痛点区 ============ */
.pain-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:start;}
.pain-list{padding:8px 28px;}
.pain-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.pain-item:last-child{border-bottom:0;}
.pain-icon{flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(255,176,103,.14);border:1px solid rgba(255,176,103,.3);color:var(--accent);}
.pain-item h3{font-size:17px;margin-bottom:6px;}
.pain-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.pain-panel{padding:28px;display:flex;flex-direction:column;gap:18px;}
.pain-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.pain-panel h3{font-size:18px;}
.pain-panel p{font-size:14.5px;color:var(--text-2);}
.metric-strip{display:flex;gap:0;border-top:1px solid var(--line);padding-top:18px;margin-top:4px;}
.metric-strip div{flex:1;text-align:center;border-right:1px solid var(--line);padding:0 8px;}
.metric-strip div:last-child{border-right:0;}
.metric-strip b{display:block;font-size:22px;color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;}
.metric-strip span{font-size:12.5px;color:var(--text-3);}

/* ============ 流程轴 ============ */
.flow{display:flex;flex-direction:column;gap:8px;position:relative;}
.flow-step{
  display:grid;grid-template-columns:88px 1fr 260px;gap:28px;align-items:center;
  padding:28px 24px;border-radius:var(--r-card);
  border:1px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.flow-step:hover{background:rgba(18,38,44,.5);border-color:var(--line);transform:translateY(-2px);}
.flow-num{
  font-size:34px;font-weight:700;color:transparent;-webkit-text-stroke:1px rgba(23,211,180,.55);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.flow-body h3{margin-bottom:8px;}
.flow-body p{font-size:14.5px;color:var(--text-2);}
.flow-thumb{border-radius:var(--r-img);overflow:hidden;background:linear-gradient(140deg,rgba(23,211,180,.16),rgba(12,26,31,.9));}
.flow-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 数据带 ============ */
.stats-band{
  display:flex;align-items:stretch;gap:0;
  border-radius:var(--r-card);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(18,38,44,.75),rgba(9,20,24,.7));
  overflow:hidden;
}
.stat-cell{flex:1;padding:36px 24px;text-align:center;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-cell b{display:block;font-size:clamp(28px,3.4vw,42px);font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-cell span{display:block;margin-top:10px;font-size:14px;color:var(--text-2);}

/* ============ 证言 ============ */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.voice-card{padding:32px;display:flex;flex-direction:column;gap:20px;}
.voice-card:nth-child(2){transform:translateY(40px);}
.voice-card p{font-size:15px;color:var(--text-2);line-height:1.9;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.voice-person{display:flex;align-items:center;gap:14px;}
.voice-avatar{width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,rgba(23,211,180,.28),rgba(143,169,201,.2));border:1px solid var(--line-strong);font-weight:600;color:var(--text);}
.voice-person b{display:block;font-size:15px;font-weight:600;}
.voice-person span{font-size:13px;color:var(--text-3);}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;}

/* ============ CMS 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap);}
.news-main{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:rgba(18,38,44,.45);display:flex;flex-direction:column;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(23,211,180,.3);}
.news-main .thumb{position:relative;background:linear-gradient(140deg,rgba(23,211,180,.18),rgba(12,26,31,.9));}
.news-main .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.news-main .body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-main h3{font-size:21px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-side{display:flex;flex-direction:column;gap:16px;}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px;border-radius:var(--r-card);border:1px solid var(--line);background:rgba(18,38,44,.4);transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);}
.news-item:hover{transform:translateY(-2px);border-color:rgba(23,211,180,.3);background:rgba(18,38,44,.62);}
.news-item .thumb{border-radius:12px;overflow:hidden;background:linear-gradient(140deg,rgba(23,211,180,.16),rgba(12,26,31,.9));}
.news-item .thumb img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;}
.news-item h4{font-size:16px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px;}
.news-item p{font-size:13.5px;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.7;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-top:auto;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.empty-state{padding:64px 24px;text-align:center;border-radius:var(--r-card);border:1px dashed var(--line-strong);background:rgba(18,38,44,.35);}
.empty-state b{display:block;font-size:17px;margin-bottom:8px;}
.empty-state p{color:var(--text-3);font-size:14px;}

/* ============ FAQ ============ */
.faq-wrap{padding:12px 28px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .plus{
  flex:0 0 24px;width:24px;height:24px;position:relative;border-radius:50%;
  border:1px solid var(--line-strong);transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);transform:translate(-50%,-50%);}
.faq-q .plus::before{width:10px;height:2px;}
.faq-q .plus::after{width:2px;height:10px;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);border-color:rgba(23,211,180,.5);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.9;max-width:64em;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ CTA + 表单 ============ */
.cta-band{
  border-radius:24px;border:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(6,13,16,.94) 0%,rgba(6,13,16,.80) 55%,rgba(6,13,16,.94) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:52px;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;
  box-shadow:var(--shadow-card);
}
.cta-copy h2{margin-bottom:18px;}
.cta-copy p{color:var(--text-2);font-size:15px;margin-bottom:24px;max-width:28em;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);}
.cta-points li i{flex:0 0 18px;color:var(--primary);font-style:normal;}
.form-card{padding:28px;border-radius:var(--r-card);background:rgba(12,26,31,.72);border:1px solid var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border-radius:var(--r-input);
  background:rgba(6,13,16,.72);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.form-row textarea{min-height:108px;resize:vertical;line-height:1.8;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:rgba(23,211,180,.6);background:rgba(6,13,16,.9);
  box-shadow:0 0 0 3px rgba(23,211,180,.14);
}
.form-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:6px;display:none;}
.form-hint.show{display:block;color:var(--error);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;align-items:center;gap:8px;
  margin-bottom:18px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(63,208,122,.12);border:1px solid rgba(63,208,122,.35);
  color:var(--success);font-size:14px;
}
.form-success.show{display:flex;}
.form-card .btn{width:100%;}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(9,20,24,.6),rgba(6,13,16,1));padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{width:32px;height:32px;flex:0 0 32px;font-size:13px;border-radius:10px;}
.footer-brand b{font-size:16px;font-weight:600;}
.footer p{font-size:14px;color:var(--text-3);line-height:1.9;max-width:30em;}
.footer h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:var(--text-3);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:13px;color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{color:var(--primary);border-color:rgba(23,211,180,.45);transform:translateY(-2px);}

/* ============ 滚动动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:950;background:rgba(6,13,16,.98);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:28px 24px;display:none;flex-direction:column;gap:8px;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer a.drawer-link{
  padding:18px 4px;font-size:20px;font-weight:600;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer a.drawer-link.is-active{color:var(--primary);}
.drawer .btn{margin-top:28px;width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--section-y:88px;}
  .hero{padding-top:150px;}
  .flow-step{grid-template-columns:72px 1fr 200px;gap:22px;}
}
@media (max-width:1023px){
  :root{--section-y:80px;}
  .dock-links{display:none;}
  .menu-btn{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding-top:132px;padding-bottom:64px;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:36px;}
  .voice-grid{grid-template-columns:1fr;}
  .voice-card:nth-child(2){transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .flow-step{grid-template-columns:64px 1fr;gap:18px;}
  .flow-thumb{display:none;}
  .stats-band{flex-wrap:wrap;}
  .stat-cell{flex:1 1 50%;border-bottom:1px solid var(--line);}
  .stat-cell:nth-child(2){border-right:0;}
}
@media (max-width:640px){
  :root{--section-y:64px;--gap:18px;}
  .container{padding:0 20px;}
  body{padding-bottom:88px;}
  .dock-wrap{top:auto;bottom:0;padding:0 12px 14px;}
  .dock{width:100%;height:60px;padding:0 10px 0 14px;gap:8px;}
  .dock.is-scrolled{height:58px;}
  .logo-text{font-size:13.5px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .dock-actions .btn-primary{padding:9px 16px;font-size:13px;}
  .icon-btn{display:none;}
  .hero{padding-top:96px;padding-bottom:56px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .trust-item{font-size:12.5px;padding:9px 13px;}
  .section-head{margin-bottom:32px;}
  .pain-list{padding:4px 20px;}
  .flow-step{padding:20px 16px;grid-template-columns:48px 1fr;}
  .flow-num{font-size:24px;}
  .stat-cell{flex:1 1 100%;border-right:0;}
  .news-item{grid-template-columns:96px 1fr;}
  .faq-wrap{padding:6px 20px;}
  .cta-band{padding:26px 20px;border-radius:20px;}
  .form-card{padding:20px;}
  .footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#060D10;
  --bg-2:#0C1A1F;
  --panel:rgba(18,38,44,.55);
  --panel-solid:#0E2027;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#17D3B4;
  --primary-d:#0E9E88;
  --amber:#FFB067;
  --mist:#8FA9C9;
  --ok:#3FD07A;
  --err:#FF7A6B;
  --text:#E7F2F1;
  --text-2:#9DB2B4;
  --text-3:#6C8285;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --radius-pill:999px;
  --radius-badge:8px;
  --shadow-card:0 18px 40px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(23,211,180,.35),0 8px 30px rgba(23,211,180,.22);
  --container:1200px;
  --sec-desktop:104px;
  --sec-tablet:80px;
  --sec-mobile:64px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(23,211,180,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 8%,rgba(143,169,201,.09),transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:650;letter-spacing:.01em;font-style:normal;line-height:1.3}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:var(--text)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:18px;left:0;right:0;
  z-index:80;
  display:flex;
  justify-content:center;
  padding:0 3vw;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:92vw;
  max-width:1120px;
  height:64px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 12px 0 16px;
  border-radius:var(--radius-pill);
  background:rgba(12,26,31,.62);
  border:1px solid var(--line);
  box-shadow:0 16px 44px rgba(0,0,0,.46);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  backdrop-filter:blur(18px) saturate(130%);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.dock.is-scrolled{
  height:60px;
  background:rgba(8,18,22,.9);
  box-shadow:0 18px 46px rgba(0,0,0,.55);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04110F;
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(23,211,180,.28);
}
.logo-text{font-size:15px;font-weight:650;letter-spacing:.01em;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-links a{
  display:inline-block;
  padding:9px 15px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-links a.is-active{
  color:var(--primary);
  background:rgba(23,211,180,.12);
  box-shadow:inset 0 0 0 1px rgba(23,211,180,.30);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(23,211,180,.5);transform:translateY(-2px)}
.menu-btn{
  display:none;
  width:38px;height:38px;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-weight:620;
  letter-spacing:.01em;
  transition:transform .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-d));
  color:#04110F;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,211,180,.5),0 12px 34px rgba(23,211,180,.32)}
.btn-primary:active{transform:translateY(1px);background:var(--primary-d)}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{border-color:rgba(23,211,180,.55);color:var(--primary);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:600;font-size:14.5px;
}
.btn-text svg{transition:transform .2s var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  padding:168px 0 76px;
  background-image:linear-gradient(180deg,rgba(6,13,16,.84) 0%,rgba(6,13,16,.94) 62%,var(--bg) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--primary)}
.crumbs span.sep{color:var(--text-3)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;
  border-radius:var(--radius-badge);
  background:rgba(23,211,180,.10);
  border:1px solid rgba(23,211,180,.30);
  color:var(--primary);
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);display:block}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  font-weight:700;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero .hero-sub{
  font-size:18px;
  line-height:1.8;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:var(--radius-pill);
  background:rgba(18,38,44,.55);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:13.5px;
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
}
.chip b{color:var(--text);font-weight:650}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:block}

/* ============ 主布局 ============ */
.layout{padding:var(--sec-desktop) 0}
.grid-row{display:flex;flex-wrap:wrap;gap:24px}
.toc-col{flex:0 0 240px;max-width:240px}
.content-col{flex:1 1 0;min-width:0}

.toc{
  position:sticky;
  top:98px;
  padding:22px 20px;
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
}
.toc h3{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--text-3);
  font-weight:600;
  text-transform:uppercase;
  margin-bottom:16px;
}
.toc ol{display:flex;flex-direction:column;gap:2px}
.toc a{
  display:flex;
  gap:10px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.5;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.toc a span{color:var(--text-3);font-variant-numeric:tabular-nums;flex:0 0 auto}
.toc a.is-current{color:var(--primary);background:rgba(23,211,180,.10)}
.toc a.is-current span{color:var(--primary)}
.toc-foot{
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}

/* ============ 长文分节 ============ */
.sec{
  padding-bottom:44px;
  margin-bottom:44px;
  border-bottom:1px dashed rgba(255,255,255,.09);
}
.sec:last-of-type{border-bottom:0}
.sec h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:650;
  margin-bottom:8px;
  display:flex;
  align-items:baseline;
  gap:12px;
}
.sec h2::before{
  content:"";
  display:block;
  flex:0 0 auto;
  width:24px;
  height:3px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 14px rgba(23,211,180,.6);
  transform:translateY(-8px);
}
.sec h2 em{
  font-style:normal;
  font-size:14px;
  letter-spacing:.1em;
  color:var(--primary);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.sec .lead{color:var(--text-2);font-size:17px;line-height:1.9;margin:0 0 20px}
.sec h3{font-size:20px;font-weight:600;margin:26px 0 10px;color:var(--text)}
.sec p{color:var(--text-2);font-size:17px;line-height:1.9}
.sec p strong{color:var(--text);font-weight:650}
.sec ul.plain{display:flex;flex-direction:column;gap:12px;margin:18px 0 22px}
.sec ul.plain li{
  position:relative;
  padding-left:22px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
}
.sec ul.plain li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(23,211,180,.5);
}
.sec ul.plain li b{color:var(--text);font-weight:650}
.note{
  border-left:2px solid var(--primary);
  background:rgba(23,211,180,.06);
  border-radius:0 14px 14px 0;
  padding:16px 20px;
  margin:22px 0;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.note.warn{
  border-left-color:var(--amber);
  background:rgba(255,176,103,.07);
}
.note.warn b{color:var(--amber)}
.figure{margin:26px 0}
.figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
}
.figure figcaption{font-size:12.5px;color:var(--text-3);margin-top:10px;text-align:center}
.steps{display:flex;flex-direction:column;gap:14px;margin:22px 0}
.step{
  display:flex;
  gap:16px;
  padding:18px 20px;
  border-radius:14px;
  background:rgba(18,38,44,.42);
  border:1px solid var(--line);
}
.step b.no{
  flex:0 0 auto;
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:10px;
  background:rgba(23,211,180,.14);
  color:var(--primary);
  font-size:13.5px;
  font-weight:700;
}
.step p{margin:0;font-size:15.5px;color:var(--text-2)}
.step p b{color:var(--text);font-weight:650}
.line-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  margin-top:26px;
  padding:16px 20px;
  border:1px dashed rgba(23,211,180,.38);
  border-radius:14px;
  background:rgba(23,211,180,.05);
}
.line-cta p{margin:0;color:var(--text-2);font-size:15px}
.line-cta p b{color:var(--text);font-weight:650}

/* ============ 数据带 ============ */
.stat-band{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  padding:26px 8px;
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
}
.stat{
  flex:1 1 180px;
  padding:8px 24px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:0}
.stat b{
  display:block;
  font-size:30px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat span{font-size:13.5px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-block{margin-top:8px}
.faq-list{
  border-radius:var(--radius-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  background:none;
  border:0;
  padding:0 24px;
  min-height:64px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:background .2s var(--ease);
}
.faq-q:hover{background:rgba(255,255,255,.04)}
.faq-q .plus{
  flex:0 0 auto;
  width:24px;height:24px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid rgba(23,211,180,.4);
  color:var(--primary);
  font-size:15px;
  line-height:1;
  transition:transform .25s var(--ease);
}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  margin:0;
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

/* ============ CTA 横条 ============ */
.cta-band{
  margin-top:var(--sec-tablet);
  padding:44px 40px;
  border-radius:var(--radius-card);
  background:
    linear-gradient(120deg,rgba(23,211,180,.14) 0%,rgba(12,26,31,.72) 46%,rgba(14,32,39,.9) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid rgba(23,211,180,.24);
  box-shadow:var(--shadow-card);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{margin:0;color:var(--text-2);font-size:15.5px;max-width:520px}
.cta-band .cta-acts{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  margin-top:var(--sec-desktop);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,26,31,.4),rgba(6,13,16,.95));
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-col h4{font-size:15px;font-weight:650;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:15.5px;font-weight:650}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;margin:0}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--text-2);transition:color .2s var(--ease)}
.to-top:hover{color:var(--primary)}

/* ============ 抽屉菜单 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(6,13,16,.97);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  transform:translateY(-100%);
  transition:transform .32s var(--ease);
  padding:80px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.drawer.open{transform:translateY(0)}
.drawer-close{
  position:absolute;
  top:22px;right:22px;
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--text);
}
.drawer a.d-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 4px;
  font-size:19px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer a.d-item.is-active{color:var(--primary)}
.drawer .d-cta{margin-top:26px}

/* ============ 滚动淡入 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .layout{padding:var(--sec-tablet) 0}
}
@media (max-width:1023px){
  .dock-links{display:none}
  .menu-btn{display:grid}
  .dock-links-mobile{display:flex}
  .toc-col{flex:0 0 100%;max-width:100%}
  .toc{
    position:static;
    display:flex;
    gap:10px;
    padding:14px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .toc::-webkit-scrollbar{display:none}
  .toc h3{display:none}
  .toc ol{flex-direction:row;gap:8px}
  .toc a{
    white-space:nowrap;
    padding:8px 14px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    font-size:13.5px;
  }
  .toc-foot{display:none}
  .layout{padding:var(--sec-tablet) 0 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .dock-wrap{top:auto;bottom:12px;padding:0 4vw}
  .dock{height:58px;padding:0 10px;gap:10px;border-radius:var(--radius-pill)}
  .dock.is-scrolled{height:58px}
  .logo-text{display:none}
  .dock-actions .btn-primary{padding:9px 14px;font-size:13px}
  .icon-btn{width:34px;height:34px}
  .menu-btn{width:34px;height:34px}
  .page-hero{padding:120px 0 56px}
  .layout{padding:56px 0 0}
  .sec{padding-bottom:34px;margin-bottom:34px}
  .sec h2{flex-wrap:wrap;gap:10px}
  .sec h2::before{display:none}
  .stat{border-left:0;border-top:1px solid var(--line);flex:1 1 45%;padding:14px 16px}
  .stat:first-child{border-top:0}
  .cta-band{padding:30px 22px}
  .cta-band .cta-acts{width:100%}
  .cta-band .cta-acts .btn{width:100%}
  .footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{padding:0 18px;font-size:15.5px;min-height:58px}
  .faq-a p{padding:0 18px 20px}
  .line-cta{padding:16px}
  .line-cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg:#060D10;
  --bg-2:#0C1A1F;
  --glass:rgba(18,38,44,.55);
  --line:rgba(255,255,255,.10);
  --brand:#17D3B4;
  --brand-dark:#0E9E88;
  --amber:#FFB067;
  --mist:#8FA9C9;
  --ok:#3FD07A;
  --err:#FF7A6B;
  --text:#E7F2F1;
  --text-2:#9DB2B4;
  --text-3:#6C8285;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.38);
  --shadow-glow:0 0 0 1px rgba(23,211,180,.35),0 8px 30px rgba(23,211,180,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --section:104px;
  --container:1200px;
  --dock-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 10% -10%,rgba(23,211,180,.10),transparent 62%),
    radial-gradient(720px 440px at 94% 6%,rgba(143,169,201,.09),transparent 60%);
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;padding:10px 16px;background:var(--brand);color:#04231f;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
main{position:relative;z-index:1}
.section{padding:var(--section) 0}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:18px;left:0;right:0;
  z-index:90;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:92vw;
  max-width:1120px;
  height:64px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 14px 0 18px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.38);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  transition:height .25s var(--ease),background .25s var(--ease);
}
.dock.is-scrolled{height:60px;background:rgba(10,22,26,.86)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#03231f;font-size:13.5px;font-weight:800;letter-spacing:.04em;
}
.logo-text{font-size:16px;font-weight:700;color:var(--text);white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto}
.dock-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.dock-links a.is-active{color:#04231f;background:var(--brand);box-shadow:0 6px 18px rgba(23,211,180,.28)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(23,211,180,.4);background:rgba(23,211,180,.08)}
.menu-btn{
  display:none;width:38px;height:38px;border-radius:999px;
  align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid var(--line);
}
.menu-btn:hover{color:var(--brand);border-color:rgba(23,211,180,.4)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;padding:13px 26px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#04231f;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(23,211,180,.5),0 12px 36px rgba(23,211,180,.34)}
.btn-primary:active{transform:translateY(1px);background:var(--brand-dark);filter:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(23,211,180,.55);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14.5px;font-weight:600}
.btn-link svg{transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;
  font-size:13px;font-weight:600;
  background:rgba(23,211,180,.14);color:var(--brand);
  border:1px solid rgba(23,211,180,.3);
}
.badge-amber{background:rgba(255,176,103,.14);color:var(--amber);border-color:rgba(255,176,103,.3)}
.badge-mist{background:rgba(143,169,201,.14);color:var(--mist);border-color:rgba(143,169,201,.28)}

/* ============ 文章头部 ============ */
.page-head{
  position:relative;
  overflow:hidden;
  padding:calc(var(--dock-h) + 78px) 0 60px;
  border-bottom:1px solid var(--line);
}
.page-head-bg{
  position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.3;
}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(6,13,16,.5),rgba(6,13,16,.93) 68%,var(--bg));
}
.page-head .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .crumb-cur{color:var(--text-2)}
.article-head{max-width:900px;margin-top:22px}
.article-head h1{
  font-size:clamp(28px,3.8vw,46px);
  line-height:1.24;
  font-weight:700;
  color:var(--text);
  margin-top:16px;
  letter-spacing:.01em;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--text-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.lede{
  margin-top:24px;padding-left:16px;
  border-left:2px solid var(--brand);
  font-size:18px;line-height:1.85;color:var(--text-2);
}
.hero-figure{
  margin-top:32px;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:linear-gradient(135deg,rgba(23,211,180,.2),rgba(12,26,31,.92));
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ============ 正文 ============ */
.article-section{padding-top:64px}
.article-body{
  max-width:740px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text-2);
}
.article-body > * + *{margin-top:22px}
.article-body h2{
  display:flex;align-items:center;gap:12px;
  margin-top:46px;margin-bottom:0;
  font-size:clamp(22px,2.5vw,30px);line-height:1.35;
  font-weight:650;color:var(--text);
}
.article-body h2::before{content:"";flex:0 0 auto;width:24px;height:3px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text);margin-top:32px}
.article-body h4{font-size:17.5px;font-weight:600;color:var(--text);margin-top:24px}
.article-body p{color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:600}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,211,180,.35)}
.article-body a:hover{color:#4ee3ca;border-bottom-color:#4ee3ca}
.article-body ul,.article-body ol{margin-top:16px}
.article-body ul li{position:relative;padding-left:22px;margin-top:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-top:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;
  background:rgba(23,211,180,.14);color:var(--brand);
  font-size:12px;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(23,211,180,.07);
  border-radius:0 14px 14px 0;
  color:var(--text);
}
.article-body figure{margin:28px 0}
.article-body figure img{border-radius:var(--radius-img);border:1px solid var(--line);width:100%}
.article-body figcaption{margin-top:10px;text-align:center;font-size:12.5px;color:var(--text-3)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--line)}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:left}
.article-body th{background:rgba(23,211,180,.10);color:var(--text);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body code{background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--amber)}
.article-body pre{background:rgba(6,13,16,.8);border:1px solid var(--line);border-radius:14px;padding:16px;overflow:auto}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:rgba(12,26,31,.6);
}
.empty-state svg{color:var(--mist);margin:0 auto}
.empty-state h2{justify-content:center;margin-top:18px;font-size:22px}
.empty-state h2::before{display:none}
.empty-state p{margin-top:12px;font-size:15px;color:var(--text-2)}
.empty-state .btn{margin-top:24px}

/* ============ 相关推荐 ============ */
.related{padding:0 0 var(--section)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:650;color:var(--text)}
.section-head p{margin-top:8px;font-size:15px;color:var(--text-2);max-width:560px}
.eyebrow{display:block;font-size:13px;letter-spacing:.14em;color:var(--brand);margin-bottom:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(12,26,31,.9),rgba(9,18,22,.92));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(23,211,180,.4);
  box-shadow:var(--shadow-card),0 0 0 1px rgba(23,211,180,.22);
}
.card-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,rgba(23,211,180,.22),rgba(12,26,31,.92))}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.card-title{font-size:17.5px;line-height:1.45;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.card-arrow{margin-left:auto;display:inline-flex;color:var(--brand);transition:transform .2s var(--ease)}
.card:hover .card-arrow{transform:translateX(4px)}

/* ============ 上一篇 / 下一篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:900px;margin:44px auto 0}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;
  padding:16px 20px;
  border:1px solid var(--line);border-radius:16px;
  background:rgba(12,26,31,.62);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.post-nav a:hover{border-color:rgba(23,211,180,.45);transform:translateY(-2px)}
.post-nav .pn-label{font-size:12.5px;color:var(--text-3)}
.post-nav .pn-title{font-size:16px;font-weight:600;color:var(--text)}
.post-nav .pn-next{align-items:flex-end;text-align:right}
.back-row{display:flex;justify-content:center;margin-top:26px}

/* ============ CTA + 表单 ============ */
.cta-section{padding:0 0 var(--section)}
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  padding:42px;
  border-radius:26px;
  border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(23,211,180,.13),rgba(12,26,31,.93) 46%,rgba(12,26,31,.95));
  box-shadow:var(--shadow-card);
}
.cta-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:650;color:var(--text);margin-top:14px}
.cta-copy p{margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--text-2)}
.cta-points{display:grid;gap:10px;margin-top:24px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.cta-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:2px;background:var(--brand);margin-top:12px}
.cta-copy .btn{margin-top:28px}
.help-form{display:grid;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-input);
  border:1px solid var(--line);
  background:rgba(6,13,16,.7);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(23,211,180,.16);
}
.field textarea{min-height:112px;resize:vertical}
.field-hint{font-size:12.5px;color:var(--text-3)}
select option{background:#0C1A1F;color:var(--text)}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ============ 抽屉导航 ============ */
.drawer{
  position:fixed;inset:0;z-index:120;
  display:none;flex-direction:column;
  padding:24px;
  background:rgba(6,13,16,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);
}
.drawer-close:hover{color:var(--brand);border-color:rgba(23,211,180,.45)}
.drawer-nav{display:grid;gap:6px;margin-top:42px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 8px;font-size:20px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand)}
.drawer-nav .drawer-hint{font-size:13px;color:var(--text-3);font-weight:400}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ============ 页脚 ============ */
.footer{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,26,31,.75),rgba(6,13,16,1));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;font-weight:700;color:var(--text)}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:350px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:var(--text-2)}
.to-top:hover{color:var(--brand)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .cta-panel{gap:32px}
}
@media (max-width:1023px){
  :root{--section:80px}
  .dock-links{display:none}
  .menu-btn{display:inline-flex}
  .page-head{padding-top:calc(var(--dock-h) + 58px)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  :root{--section:64px}
  .container{padding:0 20px}
  body{padding-bottom:86px}
  .dock-wrap{top:auto;bottom:0;padding:0 0 12px}
  .dock{width:94vw;height:62px;gap:8px;padding:0 10px 0 14px}
  .dock.is-scrolled{height:60px}
  .logo-mark{width:30px;height:30px;font-size:12px;border-radius:9px}
  .logo-text{font-size:12.5px;letter-spacing:0}
  .icon-btn{display:none}
  .btn-sm{padding:8px 14px;font-size:13px}
  .dock-actions{gap:6px}
  .page-head{padding-top:calc(var(--dock-h) + 42px);padding-bottom:40px}
  .article-head h1{font-size:26px}
  .lede{font-size:16.5px}
  .article-section{padding-top:44px}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav .pn-next{align-items:flex-start;text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:24px;border-radius:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#060D10;
  --bg-2:#0C1A1F;
  --panel:rgba(18,38,44,.55);
  --panel-solid:#0F2229;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#17D3B4;
  --primary-d:#0E9E88;
  --accent:#FFB067;
  --mist:#8FA9C9;
  --text:#E7F2F1;
  --text-2:#9DB2B4;
  --text-3:#6C8285;
  --ok:#3FD07A;
  --err:#FF7A6B;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.38);
  --glow:0 0 0 1px rgba(23,211,180,.35),0 8px 30px rgba(23,211,180,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:104px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(720px 420px at 82% -6%, rgba(23,211,180,.14), transparent 66%),
    radial-gradient(560px 420px at 6% 8%, rgba(143,169,201,.10), transparent 70%);
  pointer-events:none;
  z-index:0;
}
body.no-scroll{overflow:hidden}

img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-style:normal;letter-spacing:.01em}
.num,.stat-num{font-variant-numeric:tabular-nums}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:120;
  display:flex;
  justify-content:center;
  pointer-events:none;
  padding:0 20px;
}
.dock{
  pointer-events:auto;
  width:min(92vw,1120px);
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 10px 0 18px;
  border-radius:999px;
  background:rgba(12,26,31,.66);
  border:1px solid var(--line);
  box-shadow:0 16px 40px rgba(0,0,0,.46);
  backdrop-filter:blur(16px) saturate(130%);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  transition:height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.dock.is-scrolled{
  height:60px;
  background:rgba(9,20,24,.88);
  box-shadow:0 18px 44px rgba(0,0,0,.55);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-weight:650;
  letter-spacing:.01em;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  color:#03211C;
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(23,211,180,.28);
}
.logo-text{
  font-size:15.5px;
  color:var(--text);
  white-space:nowrap;
}
.dock-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
  flex:1;
}
.dock-links a{
  display:inline-block;
  padding:8px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-links a:hover{
  color:var(--text);
  background:rgba(255,255,255,.06);
}
.dock-links a.is-active{
  color:#04231E;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  box-shadow:0 6px 20px rgba(23,211,180,.28);
  font-weight:600;
}
.dock-links a.is-active:hover{color:#04231E}
.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.icon-btn,.menu-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover,.menu-btn:hover{
  color:var(--primary);
  border-color:rgba(23,211,180,.5);
  background:rgba(23,211,180,.10);
}
.icon-btn:active,.menu-btn:active{transform:translateY(1px)}
.menu-btn{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  color:#04231E;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04231E;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(23,211,180,.5),0 12px 34px rgba(23,211,180,.34);
}
.btn-primary:active{transform:translateY(1px);background:var(--primary-d)}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--primary);
  border-color:rgba(23,211,180,.55);
  background:rgba(23,211,180,.08);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--primary);
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
}
.btn-link svg{transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}

/* ============ Hero ============ */
main{padding-top:104px;position:relative;z-index:1}
.page-hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(105deg,rgba(6,13,16,.96) 0%,rgba(6,13,16,.86) 46%,rgba(6,13,16,.66) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  opacity:.9;
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:22px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{color:var(--text-3)}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--primary);
  background:rgba(23,211,180,.10);
  border:1px solid rgba(23,211,180,.28);
  backdrop-filter:blur(16px) saturate(130%);
  margin-bottom:20px;
}
.hero-eyebrow i{
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(23,211,180,.18);
  display:inline-block;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.page-hero .hero-sub{
  max-width:660px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  margin-bottom:28px;
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:30px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:11px 18px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--text-2);
  background:var(--panel);
  border:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(130%);
  box-shadow:0 10px 26px rgba(0,0,0,.30);
}
.chip b{color:var(--text);font-weight:650}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.chip:nth-child(2) .dot{background:var(--primary)}
.chip:nth-child(3) .dot{background:var(--mist)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0;position:relative}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  font-weight:650;
  letter-spacing:.01em;
  padding-left:16px;
  position:relative;
  margin-bottom:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:4px;height:1.02em;
  border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-d));
}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.9}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:8px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--accent);
  background:rgba(255,176,103,.12);
  border:1px solid rgba(255,176,103,.30);
}
.badge-cyan{
  color:var(--primary);
  background:rgba(23,211,180,.10);
  border-color:rgba(23,211,180,.28);
}

/* ============ 卡片网格 ============ */
.grid-two{gap:0}
.issue-card{
  display:flex;
  flex-direction:column;
  height:100%;
  border-radius:var(--r-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(130%);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.issue-card:hover{
  transform:translateY(-2px);
  border-color:rgba(23,211,180,.36);
  box-shadow:0 22px 48px rgba(0,0,0,.46),0 0 0 1px rgba(23,211,180,.18);
}
.issue-media{
  aspect-ratio:16/10;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(140deg,#0E2A2E,#0A181D);
}
.issue-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .5s var(--ease);
}
.issue-card:hover .issue-media img{transform:scale(1.04)}
.issue-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.issue-tags{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.issue-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  margin-bottom:10px;
}
.issue-body p{
  font-size:14.5px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:18px;
}
.issue-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.issue-foot .tip{font-size:13px;color:var(--text-3)}

/* ============ CTA 分隔带 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:24px 28px;
  margin:28px 0;
  border-radius:var(--r-card);
  border:1px solid rgba(23,211,180,.26);
  background:linear-gradient(110deg,rgba(23,211,180,.12),rgba(18,38,44,.55) 58%,rgba(255,176,103,.08));
  box-shadow:0 16px 40px rgba(0,0,0,.32);
}
.cta-band .band-text{flex:1 1 340px;min-width:240px}
.cta-band strong{
  display:block;
  font-size:17.5px;
  font-weight:650;
  margin-bottom:6px;
}
.cta-band span{font-size:14px;color:var(--text-2);line-height:1.8}

/* ============ 流程 ============ */
.steps{
  border-top:1px solid var(--line);
}
.step{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:24px;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.step:hover{background:rgba(255,255,255,.02)}
.step-num{
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  color:transparent;
  -webkit-text-stroke:1px var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step-body h3{font-size:20px;font-weight:600;margin-bottom:8px}
.step-body p{font-size:14.8px;line-height:1.85;color:var(--text-2);max-width:760px}

/* ============ FAQ ============ */
.faq-card{
  border-radius:var(--r-card);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(130%);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 24px;
  background:none;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{color:var(--primary);background:rgba(255,255,255,.02)}
.faq-q .plus{
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  border:1px solid var(--line-strong);
  color:var(--primary);
  font-size:18px;
  line-height:1;
  transition:transform .25s var(--ease),background .2s var(--ease);
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:rgba(23,211,180,.14)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
  max-width:860px;
}

/* ============ 表单 + CTA ============ */
.contact-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:32px;
  align-items:start;
  padding:38px;
  border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(18,38,44,.66),rgba(12,26,31,.72));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(130%);
}
.contact-copy h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:650;
  margin-bottom:16px;
}
.contact-copy p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-bottom:22px}
.contact-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  padding:11px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;
  color:var(--text-2);
}
.contact-list li::before{
  content:"";
  flex-shrink:0;
  width:7px;height:7px;
  margin-top:11px;
  border-radius:2px;
  background:var(--primary);
}
.form-note{
  display:none;
  padding:12px 16px;
  margin-bottom:18px;
  border-radius:var(--r-input);
  font-size:14px;
  color:#CFF6EA;
  background:rgba(63,208,122,.14);
  border:1px solid rgba(63,208,122,.36);
}
.form-note.is-show{display:block}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  padding:13px 15px;
  border-radius:var(--r-input);
  border:1px solid var(--line);
  background:rgba(255,255,255,.045);
  color:var(--text);
  font-size:15px;
  line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3)}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:rgba(23,211,180,.62);
  box-shadow:0 0 0 3px rgba(23,211,180,.16);
  background:rgba(255,255,255,.06);
}
.field.has-error input{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,122,107,.14)}
.field .err-msg{display:none;font-size:12.5px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.form-foot{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:6px;
}
.form-foot small{font-size:12.5px;color:var(--text-3)}

/* ============ 页脚 ============ */
.footer{
  margin-top:40px;
  padding:64px 0 28px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,26,31,.5),rgba(6,13,16,.9));
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.1fr 1.1fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-size:16px;
  font-weight:650;
}
.footer-col p{font-size:14px;line-height:1.9;color:var(--text-2);max-width:330px}
.footer-col h4{
  font-size:14.5px;
  font-weight:650;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-3);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--text-2);
  font-size:13.5px;
}
.to-top:hover{color:var(--primary)}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(6,13,16,.97);
  backdrop-filter:blur(14px);
  padding:82px 24px 40px;
  transform:translateY(-100%);
  transition:transform .34s var(--ease);
  display:none;
}
.drawer.is-open{transform:translateY(0)}
.drawer-close{
  position:absolute;
  top:20px;right:20px;
  width:42px;height:42px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer nav a{
  display:block;
  padding:20px 4px;
  font-size:20px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--primary)}
.drawer .btn{margin-top:26px;width:100%}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec-y:88px}
}
@media (max-width:1023px){
  :root{--sec-y:80px}
  .dock-links a{padding:8px 10px;font-size:14px}
  .logo-text{font-size:14.5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .contact-wrap{grid-template-columns:1fr;padding:30px}
  main{padding-top:96px}
}
@media (max-width:767px){
  .dock-links{display:none}
  .menu-btn{display:inline-flex}
  .drawer{display:block}
  .dock{justify-content:space-between}
  .step{grid-template-columns:1fr;gap:10px;padding:24px 0}
  .step-num{font-size:24px}
  .page-hero{padding:44px 0 54px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:639px){
  :root{--sec-y:64px}
  body{padding-bottom:86px}
  .container{padding:0 20px}
  main{padding-top:88px}
  .dock-wrap{top:auto;bottom:14px;padding:0 14px}
  .dock{
    width:100%;
    height:62px;
    padding:0 10px;
    gap:10px;
  }
  .dock.is-scrolled{height:62px}
  .logo-text{display:none}
  .dock-actions .btn-sm{padding:9px 16px;font-size:13.5px}
  .icon-btn{width:36px;height:36px}
  .hero-chips{gap:8px}
  .chip{padding:9px 14px;font-size:12.5px}
  .cta-band{padding:20px;margin:22px 0}
  .issue-body{padding:18px 18px 20px}
  .issue-body h3{font-size:18px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  .contact-wrap{padding:22px}
  .footer{padding:48px 0 24px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}