/* roulang page: index */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A1220;
  --bg-raise:#0E1A2B;
  --glass:rgba(18,32,50,.55);
  --glass-solid:rgba(10,18,32,.92);
  --glass-bd:rgba(120,200,255,.14);
  --primary:#22E3C0;
  --primary-deep:#14B8A6;
  --primary-glow:rgba(34,227,192,.35);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.12);
  --text:#EAF3FF;
  --text-2:#9FB3C8;
  --text-3:#7C8DA3;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.05);
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-lg:0 12px 36px rgba(0,0,0,.5),0 0 24px rgba(34,227,192,.28);
  --container:1200px;
  --ease:240ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  background:var(--bg-deep);color:var(--text);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit;width:100%}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--base{background:var(--bg-base)}
.section--raise{background:var(--bg-raise)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--primary);margin-bottom:12px}
.sec-tag::before{content:'';width:18px;height:2px;background:var(--primary);border-radius:2px}
h2.sec-title{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.sec-desc{color:var(--text-2);font-size:15px;max-width:640px;margin-top:12px}
.link-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:underline;text-underline-offset:4px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;letter-spacing:.2px;transition:all var(--ease);white-space:nowrap}
.btn-primary{background:var(--primary);color:#05121A;box-shadow:0 0 0 rgba(34,227,192,0)}
.btn-primary:hover{background:#3EEBCA;transform:translateY(-1px);box-shadow:0 0 28px var(--primary-glow)}
.btn-primary:active{transform:translateY(0);box-shadow:none;background:var(--primary-deep)}
.btn-ghost{background:transparent;border:1px solid rgba(120,200,255,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(34,227,192,.08);color:#fff}
.btn-accent{background:var(--accent);color:#1A0903;font-weight:600}
.btn-accent:hover{box-shadow:0 0 22px rgba(255,122,69,.55);transform:translateY(-1px)}
.btn[disabled]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:13px;line-height:1.4;font-weight:500}
.badge-glass{background:rgba(6,12,22,.66);border:1px solid var(--glass-bd);color:var(--text);backdrop-filter:blur(8px)}
.badge-accent{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(255,122,69,.35)}
.badge-primary{background:rgba(34,227,192,.12);color:var(--primary);border:1px solid rgba(34,227,192,.35)}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:72px;background:rgba(6,12,22,.35);border-bottom:1px solid var(--line);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);box-shadow:0 8px 24px rgba(0,0,0,.28);transition:height var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease)}
.site-header.scrolled{height:60px;background:rgba(6,12,22,.94);border-bottom-color:rgba(120,200,255,.16);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;height:100%;gap:16px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(150deg,var(--primary),#0E8F80);display:grid;place-items:center;font-size:18px;font-weight:700;color:#04140F;box-shadow:0 0 18px rgba(34,227,192,.35)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:-.2px}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.16em}
.nav{display:flex;align-items:center;gap:32px;flex:1;justify-content:center}
.nav-link{position:relative;color:var(--text-2);font-size:15px;padding:6px 0;font-weight:500}
.nav-link::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--primary);border-radius:2px;transition:width 200ms ease}
.nav-link:hover{color:#EAF3FF}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text)}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);transition:all var(--ease)}
.icon-btn:hover{color:var(--primary);border-color:rgba(34,227,192,.45);background:rgba(34,227,192,.08)}
.burger{display:none;width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);place-items:center;flex-direction:column;gap:5px;padding:0}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--ease),opacity var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-cta{display:none}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;z-index:0}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.86) 42%,rgba(5,8,15,.5) 72%,rgba(5,8,15,.72) 100%),linear-gradient(180deg,rgba(5,8,15,.6),rgba(5,8,15,.95));z-index:1}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.22fr .9fr;gap:48px;align-items:center;width:100%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);letter-spacing:.06em;margin-bottom:20px}
.hero-tag::before{content:'';width:22px;height:2px;background:var(--primary)}
h1.hero-title{font-size:48px;line-height:1.25;font-weight:700;letter-spacing:-.5px;margin-bottom:18px}
h1.hero-title span{color:var(--primary)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:32px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line-soft)}
.hero-stat b{display:block;font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text);letter-spacing:-.5px}
.hero-stat span{font-size:13px;color:var(--text-3)}
.hero-card{background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--radius-lg);padding:18px;backdrop-filter:blur(16px) saturate(120%);-webkit-backdrop-filter:blur(16px) saturate(120%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);transition:transform var(--ease),box-shadow var(--ease)}
.hero-card:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--shadow-lg)}
.hero-card-img{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(120,200,255,.14)}
.hero-card-img img{width:100%;height:100%;object-fit:cover}
.hero-card-img .badge{position:absolute;top:12px;left:12px}
.hero-card-body{padding:18px 6px 6px}
.hero-card-body h3{font-size:19px;font-weight:600;margin-bottom:8px}
.hero-card-body p{font-size:14px;color:var(--text-2);margin-bottom:14px}
.hero-card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line-soft)}
.hero-card-meta b{font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700}
.hero-card-meta b i{font-style:normal;font-size:13px;color:var(--text-3);font-weight:400}
.hero-card-meta em{font-style:normal;font-size:13px;color:var(--text-3)}

/* 阶梯 */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end}
.tier{position:relative;background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.tier:nth-child(1){min-height:300px}
.tier:nth-child(2){min-height:340px}
.tier:nth-child(3){min-height:380px;border-color:rgba(34,227,192,.45);box-shadow:0 0 24px rgba(34,227,192,.14)}
.tier:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4)}
.tier-num{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.14em;margin-bottom:12px;font-variant-numeric:tabular-nums}
.tier h3{font-size:20px;font-weight:600;margin-bottom:10px}
.tier .tier-price{font-size:32px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1.2}
.tier .tier-price i{font-style:normal;font-size:13px;color:var(--text-3);font-weight:400;margin-left:4px}
.tier ul{margin:18px 0 22px;display:grid;gap:10px}
.tier li{position:relative;padding-left:22px;font-size:14px;color:var(--text-2);line-height:1.6}
.tier li::before{content:'';position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px var(--primary-glow)}
.tier .tier-foot{margin-top:auto}

/* 对比表 */
.table-wrap{overflow-x:auto;border:1px solid var(--glass-bd);border-radius:var(--radius-lg);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th,table.compare td{padding:18px 16px;text-align:center;font-size:15px;border-bottom:1px solid rgba(255,255,255,.07)}
table.compare thead th{font-size:16px;font-weight:600;color:var(--text);padding-top:24px;padding-bottom:24px;vertical-align:bottom}
table.compare thead th span{display:block;font-size:24px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700;margin-top:8px;letter-spacing:-.5px}
table.compare thead th span i{font-style:normal;font-size:12px;color:var(--text-3);font-weight:400}
table.compare .col-feature{text-align:left;color:var(--text-2);font-weight:500;position:sticky;left:0;background:rgba(10,18,32,.96);z-index:2;min-width:180px}
table.compare td{color:var(--text-2)}
table.compare .col-hot{background:rgba(34,227,192,.06);border-left:1px solid rgba(34,227,192,.24);border-right:1px solid rgba(34,227,192,.24);color:var(--text)}
table.compare tbody tr:hover td{background:rgba(255,255,255,.03)}
table.compare tbody tr:hover td.col-hot{background:rgba(34,227,192,.1)}
.compare-note{margin-top:16px;font-size:13px;color:var(--text-3)}

/* 限时条 */
.promo-band{background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--radius-lg);padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
.promo-left{display:flex;align-items:center;gap:18px}
.promo-left .badge{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(255,122,69,.4)}
.promo-left p{font-size:15px;color:var(--text-2)}
.promo-left p b{color:var(--text);font-weight:600}
.countdown{font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;letter-spacing:2px;color:var(--accent);min-width:186px;text-align:center;line-height:1.2}
.countdown i{font-style:normal;color:var(--primary)}
.promo-band .btn-accent{flex-shrink:0}

/* 数据块 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform var(--ease),border-color var(--ease)}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4)}
.stat-card b{display:block;font-size:32px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1.2}
.stat-card span{display:block;font-size:14px;color:var(--text-2);margin-top:8px}
.stat-card em{display:block;font-style:normal;font-size:13px;color:var(--text-3);margin-top:10px}

/* 栏目入口 */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);min-height:260px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.entry-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform 500ms ease}
.entry-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.25) 0%,rgba(5,8,15,.92) 72%);z-index:1}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4);box-shadow:var(--shadow)}
.entry-card:hover img{transform:scale(1.04)}
.entry-body{position:relative;z-index:2;padding:26px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;min-height:260px}
.entry-body h3{font-size:21px;font-weight:600;margin-bottom:8px}
.entry-body p{font-size:14px;color:var(--text-2);margin-bottom:16px;max-width:420px}
.entry-body .link-more{margin-top:auto}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4);box-shadow:var(--shadow)}
.news-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 500ms ease}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-cover .badge{position:absolute;top:12px;left:12px}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3)}
.news-foot .link-more{font-size:13px}
.empty-state{grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:1px dashed rgba(120,200,255,.22);border-radius:var(--radius-lg);background:rgba(14,26,43,.5);color:var(--text-2);font-size:15px;text-align:center;padding:32px}
.empty-state svg{color:var(--primary);opacity:.75}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:.82fr 1fr;gap:48px;align-items:start}
.consult-info h2{font-size:32px;line-height:1.3;font-weight:700;margin-bottom:16px}
.consult-info p{color:var(--text-2);font-size:15px;margin-bottom:24px}
.consult-list{display:grid;gap:14px;margin-bottom:28px}
.consult-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);align-items:flex-start}
.consult-list li::before{content:'';flex-shrink:0;width:18px;height:18px;margin-top:4px;border-radius:50%;background:rgba(34,227,192,.14);border:1px solid rgba(34,227,192,.5);box-shadow:inset 0 0 0 3px rgba(34,227,192,.14)}
.contact-line{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:var(--text-3);padding-top:20px;border-top:1px solid var(--line-soft)}
.contact-line b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.form-card{background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.field label .req{color:var(--accent);margin-left:3px}
.field input,.field select,.field textarea{height:48px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;font-size:15px;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);appearance:none}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239FB3C8' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field select option{background:#0E1A2B;color:var(--text)}
.field input::placeholder,.field textarea::placeholder{color:#5C6B7E}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,227,192,.15);background:rgba(34,227,192,.04)}
.form-tip{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.6}
.form-msg{margin-top:14px;font-size:14px;border-radius:var(--radius-sm);padding:10px 14px;display:none}
.form-msg.show{display:block}
.form-msg.ok{background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35);color:#6EE7B7}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;text-align:left;padding:24px 0;font-size:17px;font-weight:600;color:var(--text);min-height:64px;transition:color var(--ease)}
.faq-q:hover{color:var(--primary)}
.faq-q .arrow{flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid rgba(120,200,255,.24);display:grid;place-items:center;color:var(--primary);transition:transform var(--ease),border-color var(--ease)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);border-color:rgba(34,227,192,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.9;max-width:720px;padding:0 0 24px}
.faq-item.open .faq-a{max-height:400px}

/* CTA */
.cta-band{position:relative;border-radius:var(--radius-lg);border:1px solid rgba(34,227,192,.32);background:linear-gradient(120deg,rgba(34,227,192,.1),rgba(10,18,32,.9));padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden}
.cta-band::after{content:'';position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(34,227,192,.22),transparent 70%)}
.cta-band h2{font-size:28px;font-weight:700;line-height:1.35;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--text-2);max-width:520px}
.cta-band .btn{position:relative;z-index:1;flex-shrink:0}

/* 页脚 */
.site-footer{background:#04070D;border-top:1px solid rgba(34,227,192,.14);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:280px;line-height:1.8;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-2)}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--primary)}
.footer-sub h4{font-size:14px;font-weight:600;margin-bottom:18px}
.footer-sub p{font-size:14px;color:var(--text-3);margin-bottom:16px;line-height:1.8}
.sub-form{display:flex;gap:10px}
.sub-form input{height:44px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 14px;font-size:14px}
.sub-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(34,227,192,.15)}
.sub-form .btn{height:44px;padding:0 18px;font-size:14px;flex-shrink:0}
.footer-bottom{border-top:1px solid var(--line-soft);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:#7C8DA3}
.footer-bottom .fb-links{display:flex;gap:20px;font-size:13px;color:#7C8DA3}
.footer-bottom .fb-links a:hover{color:var(--primary)}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 400ms ease,transform 400ms ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.1fr .9fr;gap:32px}
  h1.hero-title{font-size:42px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav{position:fixed;inset:0;background:rgba(6,12,22,.96);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);flex-direction:column;justify-content:flex-start;align-items:stretch;padding:96px 24px 32px;gap:0;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity var(--ease),transform var(--ease),visibility var(--ease);flex:none}
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav-link{display:block;padding:18px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--primary)}
  .nav-cta{display:inline-flex;margin-top:24px;width:100%}
  .burger{display:flex}
  .header-actions .icon-btn,.header-actions .header-cta{display:none}
  .hero{min-height:auto;padding:110px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  h1.hero-title{font-size:38px}
  .hero-sub{max-width:none}
  .hero-card{width:100%}
  .tier-grid{grid-template-columns:1fr}
  .tier:nth-child(1),.tier:nth-child(2),.tier:nth-child(3){min-height:auto}
  .entry-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .consult-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .promo-band{flex-wrap:wrap;gap:18px}
  .countdown{font-size:28px;min-width:164px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  h2.sec-title{font-size:24px}
  h1.hero-title{font-size:30px}
  .hero{padding:96px 0 56px}
  .hero-btns .btn{width:100%}
  .hero-stats{gap:24px}
  .hero-stat b{font-size:22px}
  .news-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .promo-band{flex-direction:column;align-items:flex-start;padding:22px}
  .promo-band .btn-accent{width:100%}
  .countdown{font-size:26px;min-width:150px;letter-spacing:1px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .consult-info h2{font-size:24px}
  .faq-q{font-size:15px;padding:20px 0}
}
@media (max-width:400px){
  h1.hero-title{font-size:26px}
  .logo-text b{font-size:15px}
  .countdown{font-size:22px;min-width:132px;letter-spacing:0}
}

/* roulang page: article */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A1220;
  --bg-raise:#0E1A2B;
  --glass:rgba(18,32,50,.55);
  --line:rgba(120,200,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --mint:#22E3C0;
  --mint-deep:#14B8A6;
  --coral:#FF7A45;
  --text:#EAF3FF;
  --text-2:#9FB3C8;
  --text-3:#7C8DA3;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 12px 36px rgba(0,0,0,.5),0 0 24px rgba(34,227,192,.28);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:6px}
::selection{background:rgba(34,227,192,.3);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--mint);color:#05121A;box-shadow:0 0 0 rgba(34,227,192,0)}
.btn-primary:hover{background:#2ff0cd;transform:translateY(-1px);box-shadow:0 0 28px rgba(34,227,192,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(34,227,192,.3)}
.btn-ghost{background:transparent;border-color:rgba(120,200,255,.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--mint);background:rgba(34,227,192,.08);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  height:var(--header-h);
  background:rgba(6,12,22,.35);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 24px rgba(0,0,0,.28);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{
  height:60px;
  background:rgba(6,12,22,.94);
  border-bottom-color:rgba(120,200,255,.16);
  box-shadow:0 12px 32px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h);transition:height .24s ease}
.site-header.scrolled .header-inner{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-size:18px;font-weight:700;color:#05121A;
  background:linear-gradient(150deg,#22E3C0,#14B8A6);
  box-shadow:0 0 18px rgba(34,227,192,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;letter-spacing:.2px;color:var(--text)}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:2.4px;color:var(--text-3)}

.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:8px;transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--text)}
.nav-cta{margin-left:12px}

.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;
  border:1px solid rgba(120,200,255,.18);background:rgba(255,255,255,.03);
  color:var(--text-2);transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--text);border-color:rgba(34,227,192,.45);background:rgba(34,227,192,.08)}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);padding:0;
  border:1px solid rgba(120,200,255,.2);background:rgba(255,255,255,.03);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,#22E3C0,#14B8A6);box-shadow:0 0 10px rgba(34,227,192,.6)}

/* ============ 主区域 ============ */
.page-main{padding-top:var(--header-h)}
.page-main::before{
  content:"";display:block;position:absolute;left:0;right:0;top:0;height:520px;z-index:-1;
  background:
    radial-gradient(900px 420px at 15% -10%,rgba(34,227,192,.12),transparent 65%),
    radial-gradient(760px 380px at 85% 0%,rgba(48,102,180,.18),transparent 70%),
    var(--bg-deep);
}
body{position:relative}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:28px 0 0}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .sep{color:#3d5068}
.breadcrumb .current{color:var(--text-3);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-shell{max-width:820px;margin:0 auto;padding:0 0 24px}
.article-hero{padding:26px 0 34px;border-bottom:1px solid var(--line-soft)}
.article-hero h1{
  font-size:36px;line-height:1.35;font-weight:700;letter-spacing:-.5px;
  margin:0 0 20px;max-width:900px;word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-2)}
.meta-row .dot{width:1px;height:12px;background:rgba(255,255,255,.16)}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;color:var(--mint);background:rgba(34,227,192,.1);
  border:1px solid rgba(34,227,192,.28);white-space:nowrap;
}

/* 正文 */
.article-content-wrap{max-width:760px;padding-top:36px}
.article-content{font-size:16px;line-height:1.9;color:#C9D8E8;word-break:break-word}
.article-content p{margin:0 0 20px}
.article-content h2{
  font-size:21px;line-height:1.5;font-weight:600;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--mint);
}
.article-content h3{font-size:18px;line-height:1.6;font-weight:600;color:var(--text);margin:28px 0 12px}
.article-content h4{font-size:16px;font-weight:600;color:var(--text);margin:22px 0 10px}
.article-content a{color:var(--mint);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#5cf3d8}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px}
.article-content li{margin-bottom:8px;line-height:1.8}
.article-content ul li::marker{color:var(--mint)}
.article-content ol li::marker{color:var(--mint)}
.article-content strong{color:var(--text);font-weight:600}
.article-content blockquote{
  margin:24px 0;padding:18px 20px;border-left:2px solid var(--mint);
  background:rgba(34,227,192,.06);border-radius:0 12px 12px 0;color:#B9CBDD;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;border:1px solid var(--line);margin:10px 0 12px;width:100%}
.article-content figure{margin:20px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;display:block;overflow-x:auto}
.article-content th,.article-content td{border:1px solid rgba(255,255,255,.12);padding:12px 14px;text-align:left}
.article-content th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600}
.article-content tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-content hr{border:0;border-top:1px solid var(--line-soft);margin:36px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border-radius:var(--r-md);
  border:1px dashed rgba(120,200,255,.22);background:var(--glass);
}
.empty-state p{margin:0 0 20px;font-size:16px;color:var(--text-2)}

/* 文末 */
.article-foot{max-width:760px;margin-top:48px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;min-height:30px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);transition:color .2s,border-color .2s,background .2s;
}
.tag:hover{color:var(--mint);border-color:rgba(34,227,192,.4);background:rgba(34,227,192,.08)}
.divider{height:1px;background:var(--line-soft);margin:32px 0}
.foot-title{font-size:20px;font-weight:600;margin:0 0 20px;color:var(--text)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{
  display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4);box-shadow:var(--shadow-1)}
.related-card .rc-icon{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(34,227,192,.12);color:var(--mint);border:1px solid rgba(34,227,192,.28);
}
.related-card b{font-size:15px;font-weight:600;color:var(--text)}
.related-card span{font-size:13px;color:var(--text-3);line-height:1.6}
.foot-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

/* 咨询条 */
.cta-strip{margin:72px 0 0}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:32px 36px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(34,227,192,.1),rgba(14,26,43,.85));
  border:1px solid rgba(34,227,192,.26);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-inner h2{margin:0 0 8px;font-size:22px;font-weight:600}
.cta-inner p{margin:0;font-size:14px;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{background:#04070D;border-top:1px solid rgba(34,227,192,.14);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.8;margin:0 0 16px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-3)}
.footer-col h4,.footer-sub h4{font-size:15px;font-weight:600;color:var(--text);margin:0 0 18px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--mint)}
.footer-sub p{color:var(--text-3);font-size:13px;line-height:1.7;margin:0 0 14px}
.sub-form{display:flex;gap:8px}
.sub-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid rgba(120,200,255,.18);
  color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s;
}
.sub-form input::placeholder{color:#5b6b80}
.sub-form input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(34,227,192,.15)}
.sub-form .btn{height:44px;padding:0 18px;font-size:14px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0}
.fb-links{display:flex;flex-wrap:wrap;gap:18px}
.fb-links a{color:var(--text-3);transition:color .2s}
.fb-links a:hover{color:var(--mint)}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn,.related-card,.tag{transition:none}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-hero h1{font-size:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1.2fr}
  .footer-sub{grid-column:1 / -1}
  .sub-form{max-width:420px}
}
@media (max-width:991px){
  :root{--header-h:64px}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    height:calc(100dvh - var(--header-h));
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    padding:16px 24px 32px;overflow-y:auto;
    background:rgba(6,12,22,.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(120,200,255,.16);
    opacity:0;transform:translateY(-8px);pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{height:56px;display:flex;align-items:center;font-size:16px;padding:0;border-radius:0;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--mint)}
  .nav-cta{margin:24px 0 0;width:100%;height:48px}
  .burger{display:flex}
  .header-cta,.icon-btn{display:none}
  .article-hero h1{font-size:28px}
  .article-content-wrap{max-width:100%;padding-top:28px}
  .related-grid{grid-template-columns:1fr 1fr}
  .cta-inner{padding:26px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .article-hero{padding:20px 0 26px}
  .article-hero h1{font-size:25px;letter-spacing:-.2px}
  .article-content{font-size:15.5px;line-height:1.85}
  .article-content h2{font-size:19px;margin:32px 0 14px}
  .article-content h3{font-size:17px}
  .breadcrumb{padding-top:20px}
  .breadcrumb .current{max-width:180px}
  .related-grid{grid-template-columns:1fr}
  .foot-actions .btn{flex:1}
  .cta-strip{margin-top:56px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:400px){
  .logo-text b{font-size:14px}
  .logo-text em{font-size:9px;letter-spacing:1.8px}
  .logo-mark{width:32px;height:32px;font-size:16px}
}

/* roulang page: category1 */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A1220;
  --bg-raise:#0E1A2B;
  --glass:rgba(18,32,50,.55);
  --line:rgba(120,200,255,.14);
  --line-soft:rgba(255,255,255,.07);
  --brand:#22E3C0;
  --brand-deep:#14B8A6;
  --glow:rgba(34,227,192,.35);
  --coral:#FF7A45;
  --text:#EAF3FF;
  --text-2:#9FB3C8;
  --text-3:#7C8DA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-lg:0 12px 36px rgba(0,0,0,.5);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:72px;
  background:rgba(6,12,22,.35);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 24px rgba(0,0,0,.28);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.scrolled{
  height:60px;background:rgba(6,12,22,.94);
  border-bottom-color:rgba(120,200,255,.2);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,#3FF0D0,#0E8F7E);
  color:#05121A;font-weight:700;font-size:18px;letter-spacing:0;
  box-shadow:0 0 18px rgba(34,227,192,.28);
}
.logo-text b{display:block;font-size:15px;color:var(--text);letter-spacing:.4px;line-height:1.2;}
.logo-text em{display:block;font-style:normal;font-size:10px;letter-spacing:2px;color:var(--text-3);line-height:1.4;}
.nav{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .2s ease;}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .2s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);background:transparent;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(34,227,192,.5);background:rgba(34,227,192,.08);}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(10,18,32,.6);
  position:relative;z-index:102;
}
.burger span{display:block;height:2px;width:20px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.burger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.active span:nth-child(2){opacity:0;}
.burger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#05121A;}
.btn-primary:hover{background:#3FF0D0;transform:translateY(-1px);box-shadow:0 0 28px rgba(34,227,192,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(34,227,192,.4);background:var(--brand-deep);}
.btn-ghost{background:transparent;border-color:rgba(120,200,255,.28);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);background:rgba(34,227,192,.08);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-coral{background:var(--coral);color:#1A0800;}
.btn-coral:hover{background:#FF8F61;box-shadow:0 0 18px rgba(255,122,69,.55);transform:translateY(-1px);}

/* ---------- hero banner ---------- */
.hero-banner{
  position:relative;overflow:hidden;
  padding:132px 0 76px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.97) 18%,rgba(5,8,15,.86) 55%,rgba(5,8,15,.62) 100%);
}
.hero-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,200,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  mask-image:radial-gradient(ellipse at 70% 40%,#000 10%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 70% 40%,#000 10%,transparent 78%);
}
.hero-banner .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb em{font-style:normal;color:var(--text-3);}
.hero-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--brand);letter-spacing:1.5px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(34,227,192,.3);background:rgba(34,227,192,.08);
}
.hero-title{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.5px;
  margin:20px 0 16px;
}
.hero-title span{color:var(--brand);}
.hero-desc{font-size:16px;color:var(--text-2);max-width:620px;margin-bottom:14px;}
.hero-note{font-size:14px;color:var(--text-3);margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-lg);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:26px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.hero-card:hover{transform:translateY(-4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 16px 42px rgba(0,0,0,.55),0 0 26px rgba(34,227,192,.22);}
.hero-card h2{font-size:16px;font-weight:600;margin-bottom:6px;}
.hero-card .card-sub{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.metric-row{display:flex;flex-direction:column;gap:16px;}
.metric-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line-soft);}
.metric-item:last-child{border-bottom:0;padding-bottom:0;}
.metric-item .val{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;}
.metric-item .val.coral{color:var(--coral);}
.metric-item .lbl{font-size:13px;color:var(--text-2);text-align:right;}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--bg-base);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-tag{display:block;font-size:14px;letter-spacing:2px;color:var(--brand);margin-bottom:12px;font-variant-numeric:tabular-nums;}
.section-title{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.3px;margin-bottom:14px;}
.section-desc{font-size:16px;color:var(--text-2);}

/* ---------- coverage grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:flex;flex-direction:column;
  background:var(--bg-raise);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px 20px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(34,227,192,.4);box-shadow:var(--shadow-lg);}
.icon-box{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,227,192,.1);border:1px solid rgba(34,227,192,.24);
  color:var(--brand);margin-bottom:18px;
}
.topic-card h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.topic-card p{font-size:15px;color:var(--text-2);line-height:1.7;flex:1;}
.topic-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}
.topic-foot a{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.topic-foot a:hover{text-decoration:underline;text-underline-offset:4px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
}
.badge.brand{color:var(--brand);border-color:rgba(34,227,192,.35);background:rgba(34,227,192,.1);}
.badge.coral{color:var(--coral);border-color:rgba(255,122,69,.35);background:rgba(255,122,69,.1);}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.figure{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--bg-raise);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--text-3);padding:12px 16px;border-top:1px solid var(--line-soft);}
.reason-list{display:flex;flex-direction:column;gap:22px;margin-top:26px;}
.reason{display:flex;gap:16px;align-items:flex-start;}
.reason-dot{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(34,227,192,.1);border:1px solid rgba(34,227,192,.28);
  color:var(--brand);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.reason h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.reason p{font-size:15px;color:var(--text-2);line-height:1.7;}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;top:15px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(34,227,192,.5),rgba(34,227,192,.12));
}
.tl-item{position:relative;padding-top:46px;}
.tl-dot{
  position:absolute;top:8px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--bg-deep);border:2px solid var(--brand);
  box-shadow:0 0 0 5px rgba(34,227,192,.12);
}
.tl-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-time{font-size:13px;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.5px;margin-bottom:6px;display:block;}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- cta strip ---------- */
.cta-strip{
  background:var(--glass);
  border:1px solid rgba(34,227,192,.28);
  border-radius:var(--r-lg);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-strip h2{font-size:26px;font-weight:700;line-height:1.35;margin-bottom:8px;}
.cta-strip p{font-size:15px;color:var(--text-2);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(18,32,50,.4);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(34,227,192,.35);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 24px;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-icon{flex:0 0 auto;color:var(--brand);transition:transform .25s ease;display:grid;place-items:center;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:720px;}

/* ---------- footer ---------- */
.site-footer{background:#03060C;border-top:1px solid rgba(34,227,192,.18);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;margin:18px 0 18px;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-3);}
.footer-col h4,.footer-sub h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-sub p{font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:14px;}
.sub-form{display:flex;gap:8px;}
.sub-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,227,192,.15);}
.sub-form .btn{height:44px;padding:0 18px;font-size:14px;}
.sub-tip{font-size:13px;color:var(--brand);margin-top:10px;min-height:18px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-soft);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a{color:var(--text-3);}
.fb-links a:hover{color:var(--brand);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1.25fr .75fr;gap:36px;}
  .hero-title{font-size:36px;}
  .split{gap:40px;}
}
@media (max-width:991px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:92px 24px 28px;
    background:rgba(6,12,22,.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .3s ease;z-index:101;overflow-y:auto;
  }
  .nav.open{transform:translateX(0);}
  .nav-link{
    height:56px;display:flex;align-items:center;justify-content:space-between;
    border-bottom:1px solid rgba(255,255,255,.07);font-size:16px;padding:0;
  }
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand);}
  .nav-cta{margin-top:24px;width:100%;justify-content:center;}
  .header-cta{display:none;}
  .burger{display:flex;}
  .hero-banner{padding:112px 0 62px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-card{width:100%;}
  .section{padding:72px 0;}
  .section-title{font-size:28px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .timeline::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-strip{padding:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .logo-text b{font-size:14px;}
  .logo-text em{display:none;}
  .hero-title{font-size:28px;}
  .hero-desc{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .grid-3{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-item summary{font-size:15px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .metric-item .val{font-size:22px;}
}
@media (max-width:400px){
  .hero-title{font-size:25px;}
  .logo-mark{width:34px;height:34px;font-size:16px;}
  .btn{font-size:14px;padding:0 18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#05080F;
  --bg-base:#0A1220;
  --bg-raise:#0E1A2B;
  --glass:rgba(18,32,50,0.55);
  --glass-solid:rgba(10,18,32,0.92);
  --line:rgba(120,200,255,0.14);
  --line-soft:rgba(255,255,255,0.07);
  --brand:#22E3C0;
  --brand-deep:#14B8A6;
  --brand-glow:rgba(34,227,192,0.35);
  --promo:#FF7A45;
  --text:#EAF3FF;
  --text-2:#9FB3C8;
  --text-3:#7C8DA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --err:#F87171;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,0.35);
  --shadow-2:0 12px 36px rgba(0,0,0,0.5), 0 0 24px rgba(34,227,192,0.28);
  --container:1200px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:#7BF3DF}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#05121A}
.btn-primary:hover{background:#3FF0D0;color:#05121A;transform:translateY(-1px);box-shadow:0 0 28px var(--brand-glow)}
.btn-primary:active{transform:none;background:var(--brand-deep);box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(120,200,255,0.28);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(34,227,192,0.08);color:var(--text)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--header-h);display:flex;align-items:center;
  background:rgba(6,12,22,0.35);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid rgba(255,255,255,0.08);
  box-shadow:0 8px 24px rgba(0,0,0,0.28);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(6,12,22,0.94);
  border-bottom-color:rgba(120,200,255,0.2);
  box-shadow:0 12px 32px rgba(0,0,0,0.45);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0}
.logo:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand) 0%,#0FA79A 100%);
  color:#04211C;font-size:18px;font-weight:700;
  box-shadow:0 0 18px rgba(34,227,192,0.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:.2px}
.logo-text em{font-style:normal;font-size:10px;letter-spacing:2px;color:var(--text-3);margin-top:2px}
.nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:4px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--text)}
.nav-cta{margin-left:6px}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  color:var(--text-2);border:1px solid var(--line-soft);background:rgba(255,255,255,0.03);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(34,227,192,0.4);background:rgba(34,227,192,0.08)}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:38px;padding:0 9px;border-radius:10px;
  background:rgba(255,255,255,0.04);border:1px solid var(--line-soft);cursor:pointer;
}
.burger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;
  padding:calc(var(--header-h) + 72px) 0 64px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,0.97) 0%,rgba(5,8,15,0.86) 48%,rgba(5,8,15,0.58) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,200,255,0.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,255,0.07) 1px,transparent 1px);
  background-size:56px 56px;opacity:.55;
  -webkit-mask-image:linear-gradient(120deg,#000 0%,transparent 68%);
  mask-image:linear-gradient(120deg,#000 0%,transparent 68%);
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--text-2)}
.hero-grid{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.6px;color:var(--brand);
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(34,227,192,0.32);background:rgba(34,227,192,0.08);
  margin-bottom:20px;
}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;letter-spacing:-.5px;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:18px;
  box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,0.08);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .2s ease,box-shadow .2s ease;
}
.hero-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2), inset 0 1px 0 rgba(255,255,255,0.08)}
.hero-card-media{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-soft);
  aspect-ratio:16/10;margin-bottom:16px;
}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.hero-stats li{padding:6px 2px}
.hero-stats b{display:block;font-size:20px;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{font-size:12px;color:var(--text-3);line-height:1.4}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-base);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .tag{
  display:inline-block;font-size:13px;letter-spacing:1.4px;color:var(--brand);
  margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 分栏布局 ---------- */
.support-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start}
.side-index{position:sticky;top:96px}
.side-title{font-size:13px;letter-spacing:1.4px;color:var(--text-3);margin-bottom:12px}
.side-list{border-left:1px solid var(--line-soft)}
.side-list li+li{margin-top:2px}
.side-list a{
  display:flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;color:var(--text-2);
  border-left:3px solid transparent;margin-left:-1px;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.side-list a:hover{color:var(--text);background:rgba(34,227,192,0.05)}
.side-list a.active{
  color:var(--text);font-weight:600;
  border-left-color:var(--brand);
  background:linear-gradient(90deg,rgba(34,227,192,0.14),rgba(34,227,192,0));
}
.side-card{
  margin-top:24px;padding:18px;border-radius:var(--r-md);
  background:var(--bg-raise);border:1px solid var(--line-soft);
}
.side-card p{font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:10px}
.side-card strong{display:block;font-size:19px;color:var(--brand);font-variant-numeric:tabular-nums;margin-bottom:12px}
.side-card .btn{width:100%}

/* ---------- 服务事项卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.svc-card{
  position:relative;display:flex;flex-direction:column;
  padding:26px;border-radius:var(--r-md);
  background:var(--bg-raise);border:1px solid var(--line-soft);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.svc-card:hover{
  transform:translateY(-4px);
  border-color:rgba(34,227,192,0.4);
  box-shadow:var(--shadow-1);
  background:#101E31;
}
.svc-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  color:var(--brand);background:rgba(34,227,192,0.1);
  border:1px solid rgba(34,227,192,0.24);
  margin-bottom:18px;
}
.svc-card h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.svc-card p{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:18px}
.svc-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.svc-link:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.svc-link svg{transition:transform .2s ease}
.svc-link:hover svg{transform:translateX(3px)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.steps li{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:var(--bg-raise);border:1px solid var(--line-soft);
  transition:transform .2s ease,border-color .2s ease;
}
.steps li:hover{transform:translateY(-4px);border-color:rgba(34,227,192,0.34)}
.step-no{
  display:inline-block;font-size:14px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:1px;margin-bottom:12px;
}
.steps h3{font-size:18px;font-weight:600;margin-bottom:8px}
.steps p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 时效与指标 ---------- */
.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:40px}
.metric{
  padding:26px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08);
}
.metric b{display:block;font-size:34px;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.metric span{display:block;font-size:14px;color:var(--text-2);margin-top:6px}
.sla-panel{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:center;
}
.sla-list{border-top:1px solid var(--line-soft)}
.sla-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:8px 4px;border-bottom:1px solid var(--line-soft);
  font-size:15px;color:var(--text-2);
}
.sla-list b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.sla-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-soft);aspect-ratio:1/1}
.sla-media img{width:100%;height:100%;object-fit:cover}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{
  background:var(--bg-raise);border:1px solid var(--line-soft);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item+.faq-item{margin-top:12px}
.faq-item[open]{border-color:rgba(34,227,192,0.34)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 24px;cursor:pointer;
  font-size:17px;font-weight:600;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex-shrink:0;width:10px;height:10px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.8;max-width:720px}

/* ---------- 咨询 ---------- */
.consult-wrap{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.consult-copy h2{font-size:32px;line-height:1.3;margin-bottom:16px}
.consult-copy p{color:var(--text-2);margin-bottom:24px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.contact-lines{margin-top:28px;padding-top:24px;border-top:1px solid var(--line-soft);display:grid;gap:10px}
.contact-lines span{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-3)}
.contact-lines svg{color:var(--brand);flex-shrink:0}
.consult-form{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1), inset 0 1px 0 rgba(255,255,255,0.08);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;margin-bottom:18px}
.field label{font-size:13px;color:var(--text-2);margin-bottom:8px}
.req{color:var(--promo);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,0.04);border:1px solid rgba(120,200,255,0.18);
  color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;-webkit-appearance:none;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239FB3C8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input::placeholder,.field textarea::placeholder{color:#5D7086}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(34,227,192,0.15);background:rgba(255,255,255,0.06);
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(120,200,255,0.34)}
.field-error{font-size:13px;color:var(--err);margin-top:6px;display:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field.has-error .field-error{display:block}
.form-note{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(52,211,153,0.1);border:1px solid rgba(52,211,153,0.34);
  font-size:14px;color:var(--ok);
}
.form-note.show{display:block}
.form-tip{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.6}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#040710;border-top:1px solid rgba(34,227,192,0.18);
  padding:72px 0 0;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:320px;margin-bottom:18px}
.footer-contact{display:grid;gap:8px}
.footer-contact span{font-size:13px;color:var(--text-3)}
.footer-col h4,.footer-sub h4{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-sub p{font-size:14px;color:var(--text-2);margin-bottom:14px;line-height:1.7}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,0.04);border:1px solid rgba(120,200,255,0.18);
  color:var(--text);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#5D7086}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,227,192,0.15)}
.sub-form .btn{height:44px;padding:0 18px;font-size:14px}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-3)}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{font-size:13px;color:var(--text-3)}
.fb-links a:hover{color:var(--brand)}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr 300px;gap:32px}
  .page-hero h1{font-size:38px}
  .support-layout{grid-template-columns:230px minmax(0,1fr);gap:28px}
  .sla-panel{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav{
    position:fixed;top:0;left:0;right:0;bottom:0;height:100vh;
    padding:96px 24px 32px;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,12,22,0.96);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
    overflow-y:auto;z-index:99;
  }
  .nav.open{opacity:1;visibility:visible;transform:none}
  .nav-link{height:56px;font-size:16px;border-bottom:1px solid var(--line-soft)}
  .nav-link::after{display:none}
  .nav-cta{margin:24px 0 0;width:100%;height:48px}
  .burger{display:flex}
  .header-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero{padding:calc(var(--header-h) + 56px) 0 56px}
  .page-hero h1{font-size:32px}
  .hero-card{max-width:440px}
  .support-layout{grid-template-columns:1fr;gap:28px}
  .side-index{position:static}
  .side-list{display:flex;gap:8px;overflow-x:auto;border-left:0;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .side-list li+li{margin-top:0}
  .side-list a{
    height:38px;padding:0 15px;white-space:nowrap;border-radius:999px;
    border:1px solid var(--line-soft);margin-left:0;font-size:14px;
  }
  .side-list a.active{border-color:var(--brand);background:rgba(34,227,192,0.12);border-left-color:var(--brand)}
  .side-card{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sla-panel{grid-template-columns:1fr}
  .sla-media{max-width:340px}
  .consult-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .section-head h2{font-size:24px}
  .consult-copy h2{font-size:24px}
  .svc-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .consult-form{padding:24px}
  .hero-actions .btn{width:100%}
  .hero-stats b{font-size:18px}
  .metric b{font-size:28px}
  .faq-item summary{font-size:15px;padding:14px 18px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
}
@media (max-width:400px){
  .logo-text b{font-size:15px}
  .logo-text em{font-size:9px;letter-spacing:1.4px}
  .page-hero h1{font-size:25px}
  .hero-stats{grid-template-columns:1fr;text-align:left}
  .hero-stats li{display:flex;align-items:baseline;gap:8px;padding:4px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .js .reveal{opacity:1;transform:none}
}