/* roulang page: index */
:root{
  --bg:#070B18;
  --bg-2:#0C1226;
  --bg-3:#05080F;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.065);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.08);
  --indigo:#4C5FE0;
  --indigo-dark:#2E3CA8;
  --indigo-light:#8A97FF;
  --cyan:#38E1D6;
  --gold:#F3C969;
  --text:#EDF1FF;
  --text-2:#A8B2D6;
  --text-3:#6E7AA3;
  --danger:#FF6B81;
  --r-card:18px;
  --r-panel:22px;
  --r-pill:999px;
  --r-sm:12px;
  --shadow-card:0 18px 44px rgba(3,6,20,.55);
  --shadow-glow:0 0 0 1px rgba(76,95,224,.6),0 10px 30px rgba(76,95,224,.35),0 0 26px rgba(56,225,214,.28);
  --container:1200px;
  --font:"Inter","Manrope","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(circle at 12% 6%, rgba(76,95,224,.20), transparent 45%),
    radial-gradient(circle at 88% 2%, rgba(56,225,214,.12), transparent 42%),
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:auto,auto,26px 26px;
  background-attachment:fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a.text-link{color:var(--cyan);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:.25s}
a.text-link:hover{font-weight:600;text-decoration-thickness:2px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.25;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus{outline:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(56,225,214,.32)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:34px;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:17px}
.section-title{position:relative;padding-left:20px}
.section-title::before{content:"";position:absolute;left:0;top:.32em;width:6px;height:.78em;border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--indigo));box-shadow:0 0 18px rgba(56,225,214,.5)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--cyan);text-transform:uppercase;margin-bottom:16px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:var(--r-pill);font-weight:600;font-size:16px;line-height:1;padding:15px 28px;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-dark));color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,95,224,.7),0 14px 38px rgba(76,95,224,.45),0 0 34px rgba(56,225,214,.36)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(76,95,224,.5),0 6px 16px rgba(76,95,224,.3)}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(56,225,214,.5);transform:translateY(-2px);background:rgba(255,255,255,.07)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:transparent;border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease}
.site-header.is-scrolled{background:rgba(7,11,24,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;gap:20px;height:78px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{width:34px;height:34px;flex:none;border-radius:11px;background:linear-gradient(140deg,var(--indigo),#141B3D);border:1px solid rgba(138,151,255,.45);display:grid;place-items:center;box-shadow:0 0 20px rgba(76,95,224,.45)}
.logo-mark svg{width:19px;height:19px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;color:var(--gold);font-size:12px;font-weight:600;margin-left:6px;padding:2px 7px;border:1px solid rgba(243,201,105,.35);border-radius:6px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 15px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);transition:color .25s,background .25s}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;border-radius:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-actions .btn{padding:12px 22px;font-size:15px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.3s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{position:fixed;inset:78px 0 0;z-index:75;background:rgba(5,8,15,.97);backdrop-filter:blur(16px);display:none;overflow-y:auto}
.mobile-drawer.is-open{display:block}
.drawer-inner{padding:28px 24px 40px;display:flex;flex-direction:column;min-height:100%}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.drawer-link{display:flex;align-items:center;justify-content:center;min-height:64px;padding:14px 12px;text-align:center;border-radius:16px;border:1px solid var(--line);background:var(--glass);font-size:16px;font-weight:600;color:var(--text-2);transition:.25s}
.drawer-link.is-active,.drawer-link:hover{color:#fff;border-color:rgba(56,225,214,.45);background:rgba(76,95,224,.16)}
.drawer-foot{margin-top:auto;padding-top:32px;display:grid;gap:14px}
.drawer-contact{font-size:13px;color:var(--text-3);text-align:center;line-height:1.6}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:78px 0 96px}
.hero-bg{position:absolute;inset:0;z-index:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.36}
.hero-veil{position:absolute;inset:0;z-index:1;background:
  radial-gradient(circle at 22% 30%, rgba(76,95,224,.35), transparent 55%),
  radial-gradient(circle at 82% 12%, rgba(56,225,214,.18), transparent 48%),
  linear-gradient(180deg,rgba(7,11,24,.62),rgba(7,11,24,.9) 68%,var(--bg))}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:var(--r-pill);border:1px solid rgba(56,225,214,.32);background:rgba(56,225,214,.08);font-size:13px;color:var(--cyan);margin-bottom:22px}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
h1{font-size:50px;line-height:1.15;margin-bottom:22px}
h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--indigo-light));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;line-height:1.8;color:var(--text-2);max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:var(--text-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-card);filter:saturate(1.02)}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:20px;background:linear-gradient(180deg,rgba(7,11,24,.12),rgba(7,11,24,.62));pointer-events:none}
.hero-chip{position:absolute;left:-18px;bottom:26px;z-index:3;display:flex;align-items:center;gap:10px;padding:13px 18px;border-radius:14px;background:rgba(12,18,38,.86);backdrop-filter:blur(14px);border:1px solid var(--line);font-size:14px;color:var(--text-2);box-shadow:var(--shadow-card)}
.hero-chip b{color:#fff;font-weight:600}
.chip-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-chip--2{left:auto;right:20px;top:22px;bottom:auto}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pain-card{padding:26px 22px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);transition:transform .3s,border-color .3s,background .3s}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.4);background:rgba(255,255,255,.065)}
.pain-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(76,95,224,.16);border:1px solid rgba(138,151,255,.28);margin-bottom:18px}
.pain-icon svg{width:20px;height:20px;stroke:var(--cyan);fill:none;stroke-width:1.7}
.pain-card h3{font-size:18px;line-height:1.5;margin-bottom:12px}
.pain-card p{font-size:14px;line-height:1.75;color:var(--text-3)}

/* ---------- Bento 方案 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.bcard{position:relative;padding:28px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);box-shadow:var(--shadow-card);transition:transform .3s,border-color .3s,background .3s;overflow:hidden}
.bcard:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.4);background:rgba(255,255,255,.065)}
.bcard h3{font-size:21px;margin-bottom:14px}
.bcard p{font-size:15px;color:var(--text-2);line-height:1.8}
.b1{grid-column:span 7}
.b2{grid-column:span 5}
.b3{grid-column:span 5}
.b4{grid-column:span 7;display:flex;align-items:center;gap:26px}
.bcard--media{padding:0;display:flex;flex-direction:column}
.bcard--media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.bcard-body{padding:26px 28px 28px}
.bcard--media::after{content:"";position:absolute;left:0;right:0;top:0;height:180px;background:linear-gradient(180deg,rgba(7,11,24,.45),transparent);pointer-events:none}
.point-list{margin:18px 0 20px;display:grid;gap:11px}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.point-list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg);box-shadow:0 0 10px rgba(56,225,214,.6)}
.b4 .b4-icon{flex:none;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:rgba(243,201,105,.12);border:1px solid rgba(243,201,105,.3)}
.b4-icon svg{width:26px;height:26px;stroke:var(--gold);fill:none;stroke-width:1.6}
.b4 h3{font-size:19px;margin-bottom:10px}
.b4 p{font-size:15px;margin-bottom:14px}

/* ---------- 数据 ---------- */
.stats-band{border-radius:var(--r-card);border:1px solid var(--line);background:linear-gradient(120deg,rgba(76,95,224,.14),rgba(56,225,214,.06));backdrop-filter:blur(14px);padding:40px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat-num{font-size:46px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.1;display:flex;align-items:baseline;gap:2px}
.stat-num small{font-size:20px;font-weight:600}
.stat-label{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.6}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;padding:24px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);transition:transform .3s,border-color .3s,background .3s;min-height:100%}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.4);background:rgba(255,255,255,.065)}
.badge{align-self:flex-start;display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);border:1px solid rgba(138,151,255,.36);background:rgba(76,95,224,.14);font-size:12.5px;color:var(--indigo-light);margin-bottom:16px}
.news-title{font-size:18px;line-height:1.55;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--cyan)}
.news-summary{font-size:14.5px;color:var(--text-3);line-height:1.75;margin-bottom:20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.news-more{color:var(--cyan);font-weight:600}
.news-more:hover{text-decoration:underline;text-underline-offset:4px}
.news-empty{padding:48px 28px;border-radius:var(--r-card);border:1px dashed var(--line);background:rgba(255,255,255,.02);text-align:center;display:grid;gap:16px;justify-items:center}
.news-empty p{color:var(--text-3);font-size:15px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.step{position:relative;padding:26px 22px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);transition:transform .3s,border-color .3s}
.step:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.4)}
.step-idx{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.12em;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--text-3);line-height:1.75}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:44px;height:1px;background:linear-gradient(90deg,transparent,rgba(56,225,214,.35),transparent);z-index:0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{border-radius:var(--r-card);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);overflow:hidden;transition:border-color .3s,background .3s}
.faq-item:hover{border-color:rgba(56,225,214,.35)}
.faq-item[open]{border-color:rgba(56,225,214,.45);background:rgba(255,255,255,.06)}
.faq-item summary{display:flex;align-items:center;gap:16px;padding:22px 24px;cursor:pointer;font-size:18px;font-weight:600;line-height:1.5;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:18px;height:18px;flex:none;margin-left:auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--cyan);border-radius:2px;transition:transform .3s,opacity .3s}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 24px 24px 26px;border-left:1px solid rgba(56,225,214,.5);margin:0 0 4px 24px;color:var(--text-2);font-size:15.5px}

/* ---------- CTA ---------- */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--line);background:linear-gradient(130deg,rgba(76,95,224,.20),rgba(12,18,38,.9));backdrop-filter:blur(14px);padding:52px;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;box-shadow:var(--shadow-card)}
.cta-panel::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:22px 22px;opacity:.6;pointer-events:none}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:32px;margin-bottom:16px}
.cta-panel p{color:var(--text-2);font-size:16px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
.privacy-note{margin-top:26px;font-size:13px;line-height:1.6;color:var(--text-3);display:flex;gap:10px;align-items:flex-start}
.privacy-note svg{flex:none;width:15px;height:15px;margin-top:5px;stroke:var(--text-3);fill:none;stroke-width:1.6}

/* ---------- 弹层表单 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px}
.modal.is-open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(4,7,18,.72);backdrop-filter:blur(6px)}
.modal-panel{position:relative;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;border-radius:var(--r-panel);border:1px solid var(--line);background:rgba(12,18,38,.92);backdrop-filter:blur(18px);padding:34px;box-shadow:0 30px 80px rgba(2,4,14,.7);animation:modalIn .3s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.modal-success{position:absolute;left:0;right:0;top:0;height:3px;background:var(--cyan);border-radius:3px 3px 0 0;transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.modal-panel.is-success .modal-success{transform:scaleX(1)}
.modal-close{position:absolute;right:18px;top:18px;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;font-size:19px;line-height:1;color:var(--text-2);transition:.25s}
.modal-close:hover{color:#fff;border-color:rgba(56,225,214,.45)}
.modal-panel h3{font-size:22px;margin-bottom:10px}
.modal-sub{font-size:14px;color:var(--text-3);margin-bottom:24px;line-height:1.7}
.form-success{display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--r-sm);border:1px solid rgba(56,225,214,.4);background:rgba(56,225,214,.1);color:var(--cyan);font-size:14px}
.modal-panel.is-success .form-success{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-sm);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);font-size:15px;transition:border-color .25s,background .25s}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(56,225,214,.6);background:rgba(255,255,255,.07);outline:none}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field-error{display:none;margin-top:7px;font-size:12.5px;color:var(--danger)}
.field.has-error .field-error{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px;font-size:13px;line-height:1.65;color:var(--text-3)}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:#38E1D6;flex:none}
.check-row a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.check-row.has-error{color:var(--danger)}

/* ---------- 悬浮咨询 ---------- */
.float-consult{position:fixed;right:26px;bottom:26px;z-index:90;display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border:0;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--indigo),var(--indigo-dark));box-shadow:var(--shadow-glow);transition:transform .25s,filter .25s}
.float-consult:hover{transform:translateY(-3px);filter:brightness(1.08)}
.float-consult svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line-soft);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-3);transition:color .25s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{margin-top:52px;border-top:1px solid var(--line-soft);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--cyan)}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  h1{font-size:44px}
  .hero-grid{gap:40px}
  .stat-num{font-size:40px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:640px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .b1,.b2,.b3,.b4{grid-column:span 12}
  .b4{flex-direction:column;align-items:flex-start}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:34px 26px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .cta-panel{grid-template-columns:1fr;padding:40px}
  .cta-visual{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .section-head h2{font-size:30px}
  .cta-panel h2{font-size:28px}
}
@media (max-width:768px){
  body{font-size:16px;background-attachment:scroll,scroll,scroll}
  .container{padding:0 18px}
  .section{padding:56px 0}
  h1{font-size:34px}
  h1 .hl{background:none;color:var(--cyan);-webkit-text-fill-color:var(--cyan)}
  .hero{padding:40px 0 56px}
  .hero-sub{font-size:16.5px}
  .hero-actions .btn{width:100%}
  .hero-chip{left:12px;bottom:12px;padding:10px 14px;font-size:13px}
  .hero-chip--2{right:12px;top:12px;left:auto;bottom:auto}
  .section-head h2{font-size:26px}
  .section-head p{font-size:15.5px}
  .pain-grid,.news-grid,.steps{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr);gap:20px;padding:28px 20px}
  .stat-num{font-size:34px}
  .bcard,.pain-card,.news-card,.step,.faq-item{border-radius:14px}
  .bcard{padding:24px 20px}
  .bcard-body{padding:22px 20px 24px}
  .cta-panel{padding:28px 22px;border-radius:16px}
  .cta-panel h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .faq-item summary{font-size:16.5px;padding:18px 18px}
  .faq-body{padding:0 18px 20px 18px;margin:0 0 4px 18px}
  .modal{padding:14px}
  .modal-panel{padding:26px 20px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-consult{right:16px;bottom:16px;padding:12px 18px;font-size:14px}
  .drawer-links{grid-template-columns:1fr}
  .btn-primary{box-shadow:0 0 0 1px rgba(76,95,224,.5),0 8px 18px rgba(76,95,224,.24),0 0 14px rgba(56,225,214,.16)}
}
@media (max-width:520px){
  h1{font-size:30px}
  .logo-text{font-size:15px}
  .logo-text em{display:none}
  .stats-band{grid-template-columns:1fr 1fr}
  .stat-num{font-size:30px}
}

/* roulang page: article */
:root{
  --bg:#070B18;
  --bg-2:#0C1226;
  --bg-3:#05080F;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.075);
  --stroke:rgba(255,255,255,.10);
  --stroke-soft:rgba(255,255,255,.08);
  --primary:#4C5FE0;
  --primary-deep:#2E3CA8;
  --primary-light:#8A97FF;
  --cyan:#38E1D6;
  --gold:#F3C969;
  --text:#EDF1FF;
  --text-2:#A8B2D6;
  --text-3:#6E7AA3;
  --disabled:#55618A;
  --warn:#FF6B81;
  --radius-card:18px;
  --radius-panel:22px;
  --radius-img:14px;
  --radius-sm:12px;
  --shadow-card:0 18px 44px rgba(3,6,20,.55);
  --shadow-btn:0 0 0 1px rgba(76,95,224,.6),0 10px 30px rgba(76,95,224,.35),0 0 26px rgba(56,225,214,.28);
  --container:1200px;
  --gap:24px;
  --font:"Inter","Manrope","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::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:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--text);text-decoration:none;}
a.text-link{
  color:var(--cyan);
  text-decoration:underline;
  text-decoration-color:rgba(56,225,214,.45);
  text-underline-offset:4px;
  transition:color .2s ease,text-decoration-color .25s ease,font-weight .2s ease;
}
a.text-link:hover{color:#7FF3EA;text-decoration-color:var(--cyan);font-weight:600;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;}
h1{font-size:50px;line-height:1.15;}
h2{font-size:34px;line-height:1.25;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(76,95,224,.45);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan));
}
.section-head p{color:var(--text-2);font-size:16px;margin:14px 0 0;max-width:640px;}
.divider{height:1px;background:var(--stroke-soft);border:0;margin:0;}

/* ---------- 阅读进度条 ---------- */
.read-progress{
  position:fixed;top:0;left:0;height:2px;width:0%;z-index:80;
  background:linear-gradient(90deg,var(--primary),var(--cyan));
  box-shadow:0 0 12px rgba(56,225,214,.5);
  transition:width .12s linear;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,24,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--stroke-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;flex-shrink:0;
  background:radial-gradient(circle at 30% 25%,rgba(76,95,224,.45),rgba(7,11,24,.1) 70%);
  border:1px solid var(--stroke);border-radius:11px;
}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-weight:700;font-size:17px;line-height:1.25;display:flex;flex-direction:column;}
.logo-text em{
  font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--text-3);font-weight:500;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  color:var(--text-2);font-size:15px;font-weight:500;
  border:1px solid transparent;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;border-radius:2px;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--stroke-soft);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;background:rgba(76,95,224,.18);border-color:rgba(76,95,224,.5);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;
  white-space:nowrap;transition:transform .22s ease,box-shadow .28s ease,background .22s ease,color .22s ease,border-color .22s ease,opacity .22s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(76,95,224,.7),0 16px 40px rgba(76,95,224,.45),0 0 34px rgba(56,225,214,.36);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(76,95,224,.5),0 6px 16px rgba(76,95,224,.3);}
.btn-ghost{
  color:var(--text);background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
}
.btn-ghost:hover{border-color:rgba(56,225,214,.55);color:#fff;background:rgba(56,225,214,.08);transform:translateY(-2px);}
.btn-outline{
  color:var(--text-2);background:transparent;border:1px solid var(--stroke);
}
.btn-outline:hover{color:#fff;border-color:rgba(138,151,255,.6);background:rgba(76,95,224,.12);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:76px 0 0 0;z-index:55;
  background:rgba(6,9,20,.96);backdrop-filter:blur(16px);
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .26s ease,transform .26s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer-inner{padding:22px 24px 40px;display:flex;flex-direction:column;gap:26px;}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-link{
  padding:16px 16px;border-radius:14px;border:1px solid var(--stroke);
  background:var(--glass);color:var(--text-2);font-size:15px;font-weight:600;
}
.drawer-link.is-active{color:#fff;border-color:rgba(76,95,224,.6);background:rgba(76,95,224,.2);}
.drawer-foot{display:flex;flex-direction:column;gap:12px;}
.drawer-contact{margin:0;color:var(--text-3);font-size:13px;text-align:center;}

/* ---------- 页面主视觉带 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:64px 0 48px;
  border-bottom:1px solid var(--stroke-soft);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,11,24,.82),rgba(7,11,24,.95)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.28;
}
.page-banner .container{position:relative;z-index:2;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;font-size:13px;color:var(--text-3);}
.crumbs a{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--stroke);color:var(--text-2);transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.crumbs a:hover{color:#fff;border-color:rgba(56,225,214,.5);background:rgba(56,225,214,.08);}
.crumbs .sep{color:var(--text-3);}
.crumbs .current{
  display:inline-flex;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(76,95,224,.45);background:rgba(76,95,224,.14);
  color:var(--text);max-width:min(60vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--stroke);color:var(--text-2);background:rgba(255,255,255,.03);
}
.badge-cyan{border-color:rgba(56,225,214,.45);color:var(--cyan);background:rgba(56,225,214,.08);}
.badge-gold{border-color:rgba(243,201,105,.45);color:var(--gold);background:rgba(243,201,105,.08);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:13px;transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag:hover{border-color:rgba(138,151,255,.55);color:#fff;transform:translateY(-2px);}

/* ---------- 文章头 ---------- */
.article-head{max-width:860px;}
.article-head h1{font-size:44px;line-height:1.22;margin:16px 0 0;}
.article-head .lead{
  color:var(--text-2);font-size:18px;line-height:1.9;margin:18px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;color:var(--text-3);font-size:13.5px;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;}
.meta-row .num{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;
  align-items:start;
  padding:64px 0 0;
}
.article-shell{
  border-radius:var(--radius-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:var(--shadow-card);
  padding:40px 44px 48px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.article-cover{margin:0 0 32px;}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);}
.article-cover figcaption{font-size:13px;color:var(--text-3);margin-top:10px;}

.article-body{font-size:18px;line-height:1.9;color:var(--text);}
.article-body>*+*{margin-top:1.2em;}
.article-body p{margin:0;color:#DFE5FA;}
.article-body h2{
  font-size:28px;line-height:1.35;margin-top:2em;padding-left:16px;position:relative;color:#fff;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),rgba(56,225,214,.15));
}
.article-body h3{font-size:21px;margin-top:1.6em;color:#fff;}
.article-body h4{font-size:17px;margin-top:1.4em;color:var(--text-2);letter-spacing:.02em;}
.article-body a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(56,225,214,.45);text-underline-offset:4px;}
.article-body a:hover{text-decoration-color:var(--cyan);font-weight:600;}
.article-body ul,.article-body ol{padding-left:0;display:flex;flex-direction:column;gap:12px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;color:#DFE5FA;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;
  background:var(--cyan);border-radius:2px;transform:rotate(45deg);
}
.article-body ol{counter-reset:ac;}
.article-body ol li{counter-increment:ac;}
.article-body ol li::before{
  content:counter(ac);
  position:absolute;left:0;top:.28em;width:18px;height:18px;border-radius:6px;
  display:grid;place-items:center;font-size:11.5px;font-weight:700;color:#070B18;
  background:var(--cyan);
}
.article-body blockquote{
  margin:0;padding:20px 24px;border-left:3px solid var(--cyan);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  color:var(--text-2);font-size:17px;
}
.article-body blockquote p{color:var(--text-2);}
.article-body figure{margin:0;}
.article-body figure img{width:100%;border-radius:var(--radius-img);}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;
  border:1px solid var(--stroke);border-radius:var(--radius-sm);font-size:15.5px;
}
.article-body thead th{background:rgba(76,95,224,.16);color:#fff;font-weight:600;}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--stroke-soft);}
.article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.028);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:rgba(56,225,214,.12);color:#9BF3EC;padding:2px 7px;border-radius:6px;font-size:15px;
}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  border-radius:var(--radius-card);border:1px solid var(--stroke);
  background:var(--glass);padding:22px 22px 24px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .25s ease,transform .25s ease;
}
.side-card:hover{border-color:rgba(56,225,214,.32);}
.side-card h3{font-size:16px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:14px;height:1px;background:var(--cyan);}
.toc-list{display:flex;flex-direction:column;gap:8px;max-height:320px;overflow:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);padding:6px 10px;border-radius:9px;
  border-left:2px solid transparent;transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:#fff;background:rgba(255,255,255,.05);border-left-color:var(--cyan);}
.toc-list a.is-current{color:#fff;background:rgba(76,95,224,.16);border-left-color:var(--cyan);}
.side-cta{
  background:
    radial-gradient(circle at 85% 0%,rgba(76,95,224,.35),transparent 60%),
    var(--glass);
}
.side-cta p{color:var(--text-2);font-size:14.5px;margin:0 0 16px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;flex-direction:column;gap:4px;padding-bottom:14px;border-bottom:1px solid var(--stroke-soft);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.5;transition:color .2s ease;}
.side-list a:hover{color:var(--cyan);}
.side-list span{font-size:12.5px;color:var(--text-3);}

/* ---------- 文末 ---------- */
.article-foot{margin-top:40px;padding-top:26px;border-top:1px solid var(--stroke-soft);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;
  border:1px solid var(--stroke);color:var(--text-2);font-size:14px;font-weight:600;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.back-link:hover{color:#fff;border-color:rgba(56,225,214,.5);background:rgba(56,225,214,.08);transform:translateX(-3px);}

/* ---------- 相关推荐卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius-card);
  border:1px solid var(--stroke);background:var(--glass);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.32);background:rgba(255,255,255,.065);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.05);}
.post-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.15),rgba(7,11,24,.78));
}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:18px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{
  color:var(--text-2);font-size:14.5px;margin:0;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:14px;border-top:1px solid var(--stroke-soft);
  font-size:13px;color:var(--text-3);
}
.post-card .foot a{color:var(--cyan);font-weight:600;}
.post-card .foot a:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- 数据带 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  border-radius:var(--radius-card);border:1px solid var(--stroke);
  background:var(--glass);padding:28px 26px;
  box-shadow:var(--shadow-card);
}
.stat{display:flex;flex-direction:column;gap:6px;padding:0 6px;border-right:1px solid var(--stroke-soft);}
.stat:last-child{border-right:0;}
.stat strong{
  font-size:44px;line-height:1.05;font-weight:700;color:var(--gold);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat span{font-size:13.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border-radius:var(--radius-card);border:1px solid var(--stroke);
  background:var(--glass);overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(56,225,214,.3);}
.faq-item.is-open{border-color:rgba(56,225,214,.38);background:rgba(255,255,255,.062);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:#fff;
}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;transition:transform .28s ease,opacity .2s ease;
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px;}
.faq-icon::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 24px 22px 24px;margin-left:24px;border-left:1px solid var(--cyan);
  color:var(--text-2);font-size:15.5px;line-height:1.85;
}
.faq-a-inner p{margin:0;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-panel);
  border:1px solid var(--stroke);
  background:linear-gradient(135deg,rgba(46,60,168,.42),rgba(12,18,38,.85) 55%,rgba(56,225,214,.16));
  box-shadow:var(--shadow-card);
  padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px;align-items:center;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:30px 30px;opacity:.25;pointer-events:none;
}
.cta-panel>*{position:relative;z-index:2;}
.cta-panel h2{font-size:32px;color:#fff;}
.cta-panel p{color:var(--text-2);margin:14px 0 0;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{
  border-radius:var(--radius-card);border:1px solid var(--stroke);
  background:rgba(7,11,24,.55);padding:24px;backdrop-filter:blur(10px);
}
.cta-side ul{display:flex;flex-direction:column;gap:12px;}
.cta-side li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);}
.cta-side li::before{
  content:"";width:7px;height:7px;flex-shrink:0;margin-top:.6em;
  background:var(--cyan);border-radius:2px;transform:rotate(45deg);
}
.privacy-note{
  margin-top:16px;font-size:13px;color:var(--text-3);line-height:1.7;display:flex;gap:9px;align-items:flex-start;
}
.privacy-note input{margin-top:4px;accent-color:var(--cyan);width:15px;height:15px;}
.privacy-note a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(56,225,214,.45);text-underline-offset:3px;}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(4,7,18,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  padding:24px;overflow-y:auto;
}
.modal-mask.is-open{display:flex;align-items:center;justify-content:center;}
.modal-panel{
  width:100%;max-width:560px;border-radius:var(--radius-panel);
  border:1px solid var(--stroke);background:rgba(12,18,38,.94);
  box-shadow:0 30px 80px rgba(3,6,20,.7);
  padding:30px 30px 32px;position:relative;
  animation:pop .3s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98);}to{opacity:1;transform:none;}}
.modal-panel .top-bar{
  position:absolute;left:0;right:0;top:0;height:3px;border-radius:var(--radius-panel) var(--radius-panel) 0 0;
  background:linear-gradient(90deg,var(--cyan),var(--primary));
  opacity:0;transition:opacity .3s ease;
}
.modal-panel.is-done .top-bar{opacity:1;}
.modal-close{
  position:absolute;right:16px;top:16px;width:36px;height:36px;border-radius:11px;
  border:1px solid var(--stroke);color:var(--text-2);display:grid;place-items:center;font-size:18px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.modal-close:hover{color:#fff;border-color:rgba(56,225,214,.5);background:rgba(56,225,214,.08);}
.modal-panel h3{font-size:23px;color:#fff;}
.modal-panel .sub{color:var(--text-2);font-size:14.5px;margin:10px 0 22px;}
.form-grid{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-sm);
  border:1px solid var(--stroke);background:rgba(7,11,24,.6);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--disabled);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,225,214,.16);background:rgba(7,11,24,.85);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,107,129,.14);}
.field .err{font-size:12.5px;color:var(--warn);display:none;}
.field.has-error .err{display:block;}
.form-ok{
  display:none;align-items:center;gap:10px;margin-bottom:16px;padding:12px 14px;border-radius:var(--radius-sm);
  border:1px solid rgba(56,225,214,.4);background:rgba(56,225,214,.1);color:#9BF3EC;font-size:14px;
}
.modal-panel.is-done .form-ok{display:flex;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-3);
  border-top:1px solid var(--stroke-soft);
  padding:72px 0 30px;
  margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:340px;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li,.footer-col a{color:var(--text-2);font-size:14px;}
.footer-col a{position:relative;transition:color .2s ease;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--stroke-soft);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.footer-links{display:flex;gap:18px;}
.footer-links a{color:var(--text-3);transition:color .2s ease;}
.footer-links a:hover{color:var(--cyan);}

/* ---------- 悬浮咨询 ---------- */
.float-ask{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;padding:13px 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--shadow-btn);
  transition:transform .22s ease,box-shadow .28s ease,filter .22s ease;
}
.float-ask:hover{transform:translateY(-3px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(76,95,224,.7),0 16px 40px rgba(76,95,224,.45),0 0 36px rgba(56,225,214,.4);}
.float-ask .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(56,225,214,.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(56,225,214,.55);}
  70%{box-shadow:0 0 0 12px rgba(56,225,214,0);}
  100%{box-shadow:0 0 0 0 rgba(56,225,214,0);}
}

/* ---------- 空态 ---------- */
.empty-note{
  border-radius:var(--radius-card);border:1px dashed rgba(255,255,255,.16);
  background:rgba(255,255,255,.03);padding:44px 28px;text-align:center;color:var(--text-2);
}
.empty-note p{margin:0 0 18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  h1{font-size:40px;}
  .article-head h1{font-size:36px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side{position:static;}
  .side-card{box-shadow:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:44px 34px;}
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  h1{font-size:33px;}
  h2{font-size:27px;}
  h3{font-size:19px;}
  .article-head h1{font-size:30px;}
  .article-head .lead{font-size:16.5px;}
  .article-shell{padding:26px 20px 32px;border-radius:14px;}
  .article-body{font-size:17px;}
  .article-body h2{font-size:23px;}
  .article-body h3{font-size:19px;}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 12px;}
  .stat{border-right:0;border-bottom:1px solid var(--stroke-soft);padding-bottom:14px;}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;padding-bottom:0;}
  .stat strong{font-size:34px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .footer-brand p{max-width:none;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-banner{padding:44px 0 34px;}
  .site-footer{margin-top:64px;padding:56px 0 26px;}
  .float-ask{right:16px;bottom:16px;padding:12px 16px;font-size:13.5px;}
  .modal-panel{padding:26px 20px 26px;}
  .faq-a-inner{margin-left:16px;padding:0 20px 20px 16px;}
}
@media (max-width:480px){
  .container{padding:0 18px;}
  h1{font-size:29px;}
  .article-head h1{font-size:26px;}
  .cta-panel{padding:32px 20px;}
  .cta-panel h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .drawer-links{grid-template-columns:minmax(0,1fr);}
  .article-shell{padding:22px 16px 26px;}
  .modal-mask{padding:12px;}
  .meta-row{gap:8px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --bg:#070B18;
  --bg-2:#0C1226;
  --bg-foot:#05080F;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.08);
  --primary:#4C5FE0;
  --primary-dark:#2E3CA8;
  --primary-light:#8A97FF;
  --cyan:#38E1D6;
  --gold:#F3C969;
  --text:#EDF1FF;
  --text-2:#A8B2D6;
  --text-3:#6E7AA3;
  --danger:#FF6B81;
  --r-card:18px;
  --r-panel:22px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-card:0 18px 44px rgba(3,6,20,.55);
  --glow-primary:0 0 0 1px rgba(76,95,224,.6),0 10px 30px rgba(76,95,224,.35),0 0 26px rgba(56,225,214,.28);
  --font:"Inter","Manrope","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:30px 30px;
  opacity:.5;
}
img{max-width:100%;display:block;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}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
::selection{background:rgba(76,95,224,.5);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,24,.72);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:76px;
  position:relative;
  z-index:2;
}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{width:28px;height:28px;display:grid;place-items:center;filter:drop-shadow(0 0 10px rgba(56,225,214,.4))}
.logo-mark svg{width:28px;height:28px}
.logo-text{font-size:17px;font-weight:700;line-height:1.15;display:flex;flex-direction:column;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:10.5px;font-weight:500;letter-spacing:.24em;color:var(--text-3);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-2);
  transition:color .22s ease,background .22s ease,box-shadow .22s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:5px;
  height:1.5px;
  border-radius:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{
  color:#fff;
  background:rgba(76,95,224,.18);
  box-shadow:inset 0 0 0 1px rgba(138,151,255,.32);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .22s ease,background .22s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .26s ease,opacity .26s ease}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:110;
  display:none;
  background:rgba(5,8,15,.97);
  backdrop-filter:blur(16px);
  opacity:0;
  transform:translateY(-10px);
  pointer-events:none;
  transition:opacity .28s ease,transform .28s ease;
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-inner{height:100%;overflow:auto;padding:96px 18px 32px;display:flex;flex-direction:column;gap:24px}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-link{
  padding:18px 16px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--border);
  color:var(--text-2);
  font-size:15.5px;
  font-weight:600;
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.drawer-link:hover{color:#fff;border-color:rgba(56,225,214,.35)}
.drawer-link.is-active{color:#fff;background:rgba(76,95,224,.18);border-color:rgba(138,151,255,.4)}
.drawer-foot{margin-top:auto;display:grid;gap:14px}
.drawer-contact{margin:0;font-size:13px;color:var(--text-3);text-align:center}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,#5A6BF0,#3B4AD0);
  box-shadow:var(--glow-primary);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,95,224,.7),0 14px 36px rgba(76,95,224,.42),0 0 34px rgba(56,225,214,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(76,95,224,.6),0 6px 18px rgba(76,95,224,.28)}
.btn-primary:disabled{filter:none;opacity:.45;box-shadow:none}
.btn-ghost{
  color:var(--text);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.link{
  color:var(--text);
  border-bottom:1px solid rgba(56,225,214,.6);
  transition:color .2s ease,font-weight .2s ease;
}
.link:hover{color:var(--cyan);font-weight:600}

/* 通用板块 */
.section{padding:96px 0;position:relative;z-index:1}
.section--tight{padding:72px 0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.22em;
  color:var(--cyan);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--cyan);opacity:.7}
.sec-title{font-size:34px;line-height:1.25;margin-bottom:14px}
.sec-sub{color:var(--text-2);max-width:760px;margin-bottom:40px;font-size:16.5px}

/* 首屏 */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 84px;
  background-image:linear-gradient(180deg,rgba(7,11,24,.76),rgba(7,11,24,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 320px at 82% 18%,rgba(76,95,224,.28),transparent 70%),
    radial-gradient(520px 280px at 12% 92%,rgba(56,225,214,.16),transparent 72%),
    radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:auto,auto,28px 28px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--text-3)}
.hero-title{font-size:52px;line-height:1.14;max-width:840px;margin-bottom:20px}
.h1-kicker{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.3em;
  color:var(--cyan);
  margin-bottom:16px;
}
.hero-lead{font-size:18px;color:var(--text-2);max-width:660px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  padding:6px 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:rgba(255,255,255,.03);
  font-size:13px;
  color:var(--text-2);
}

/* 数据带 */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.stat{padding:26px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  font-size:40px;
  font-weight:700;
  line-height:1.15;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:6px;color:var(--gold);opacity:.85}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7}

/* 图文区块 */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-copy p{color:var(--text-2);font-size:16.5px;margin-bottom:26px}
.dot-list{display:grid;gap:16px}
.dot-list li{display:flex;gap:12px;font-size:16px;color:var(--text-2)}
.dot-list li strong{color:var(--text);font-weight:600}
.dot-list li::before{
  content:"";
  flex:none;
  width:8px;height:8px;
  margin-top:11px;
  border-radius:2px;
  background:var(--cyan);
  transform:rotate(45deg);
  box-shadow:0 0 10px rgba(56,225,214,.5);
}
.figure{position:relative;border-radius:14px;overflow:hidden;box-shadow:var(--shadow-card)}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px}
.figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.42),rgba(7,11,24,.08));
  pointer-events:none;
}
.figcaption{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7}

/* 要点清单 */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 22px}
.check{
  display:flex;
  gap:16px;
  padding:24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.check:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.3);background:rgba(255,255,255,.065)}
.check-icon{
  flex:none;
  width:28px;height:28px;
  margin-top:2px;
  border-radius:9px;
  background:rgba(56,225,214,.12);
  border:1px solid rgba(56,225,214,.35);
  display:grid;
  place-items:center;
}
.check-icon::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.check h3{font-size:18px;margin-bottom:6px}
.check p{font-size:15px;color:var(--text-2);line-height:1.75}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps::before{
  content:"";
  position:absolute;
  left:0;right:0;top:46px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,225,214,.4),rgba(76,95,224,.4),transparent);
}
.step{
  position:relative;
  z-index:1;
  padding:26px 22px 28px;
  border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.3)}
.step-num{
  width:34px;height:34px;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(56,225,214,.5);
  color:var(--cyan);
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  background:rgba(7,11,24,.7);
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* FAQ */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(56,225,214,.28)}
.faq-item[open]{background:rgba(255,255,255,.06);border-color:rgba(56,225,214,.28)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:17.5px;
  font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;flex:none;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:16px;height:1.6px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .26s ease,opacity .26s ease;
}
.faq-icon::after{transform:rotate(90deg)}
.faq-item[open] .faq-icon::after{transform:rotate(0);opacity:0}
.faq-body{
  margin-left:24px;
  padding:0 24px 22px 20px;
  border-left:1px solid rgba(56,225,214,.55);
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
}

/* CTA */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--border);
  background-image:linear-gradient(105deg,rgba(9,13,28,.94),rgba(12,18,38,.82)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  padding:52px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(420px 220px at 88% 20%,rgba(76,95,224,.3),transparent 70%),
    radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:auto,30px 30px;
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:32px;line-height:1.28;margin-bottom:16px}
.cta-copy p{color:var(--text-2);font-size:16.5px;max-width:560px}
.cta-actions{position:relative;z-index:1;display:grid;gap:16px;justify-items:start}
.privacy-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
  max-width:420px;
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.privacy-note::before{
  content:"";
  flex:none;
  width:12px;height:12px;
  margin-top:6px;
  border-radius:3px;
  border:1px solid rgba(56,225,214,.5);
  background:rgba(56,225,214,.12);
}

/* 悬浮咨询 */
.float-cta{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:105;
  box-shadow:var(--glow-primary);
}

/* 页脚 */
.site-footer{
  background:var(--bg-foot);
  border-top:1px solid var(--line);
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding:72px 0 48px;
}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer-col ul{display:grid;gap:10px;font-size:14px;color:var(--text-3)}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.footer-links{display:flex;gap:18px}
.footer-links a:hover{color:var(--cyan)}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(4,7,18,.72);backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;
  width:min(560px,calc(100% - 32px));
  margin:6vh auto;
  max-height:88vh;
  overflow:auto;
  padding:32px;
  border-radius:var(--r-panel);
  background:linear-gradient(180deg,rgba(20,26,50,.97),rgba(9,13,28,.99));
  border:1px solid var(--border);
  box-shadow:0 26px 70px rgba(3,6,20,.7);
}
.modal-close{
  position:absolute;
  right:16px;top:16px;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--text-2);
  font-size:18px;
  line-height:1;
  transition:color .2s ease,border-color .2s ease;
}
.modal-close:hover{color:#fff;border-color:var(--cyan)}
.modal-bar{height:3px;border-radius:2px;background:var(--cyan);margin:-6px 0 18px;display:none}
.modal-bar.is-show{display:block}
.modal-title{font-size:24px;margin-bottom:8px}
.modal-sub{font-size:14.5px;color:var(--text-2);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:88px;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.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) 52%,calc(100% - 14px) 52%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(56,225,214,.6);
  box-shadow:0 0 0 3px rgba(56,225,214,.16);
  background:rgba(255,255,255,.07);
}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--danger)}
.field-error{display:none;font-size:12.5px;color:var(--danger);margin-top:6px}
.field.is-error .field-error{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.7;margin:6px 0 20px}
.consent input{width:16px;height:16px;margin-top:5px;accent-color:#38E1D6}
.consent.is-error{color:#FFB3BE}
.form-success{
  display:none;
  font-size:14px;
  color:var(--cyan);
  margin-bottom:16px;
}
.form-success.is-show{display:block}

@media (max-width:1024px){
  .hero-title{font-size:44px}
  .sec-title{font-size:30px}
  .split{gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .cta-panel{padding:42px;grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-actions .btn-ghost,.nav-actions .btn-primary{display:none}
  .nav-toggle{display:flex}
  .mobile-drawer{display:block}
  .nav{min-height:68px}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:72px 0 64px}
  .hero-title{font-size:34px}
  .hero-lead{font-size:16.5px}
  .sec-title{font-size:26px}
  .sec-sub{margin-bottom:28px;font-size:15.5px}
  .split{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:22px}
  .stat:last-child{border-bottom:0}
  .stat-num{font-size:34px}
  .steps{grid-template-columns:1fr}
  .cta-panel{padding:32px 22px;border-radius:16px}
  .cta-copy h2{font-size:24px}
  .cta-actions{justify-items:stretch}
  .btn{width:100%}
  .hero-actions .btn{width:100%}
  .float-cta{right:16px;bottom:16px;width:auto;padding:12px 20px}
  .footer-grid{grid-template-columns:1fr;padding:52px 0 32px}
  .faq-item summary{font-size:16px;padding:18px 20px}
  .faq-body{margin-left:20px;padding:0 18px 18px 16px;font-size:15px}
  .r-card,.check,.step,.faq-item,.stat-bar{border-radius:14px}
  .check,.step{background:rgba(255,255,255,.05)}
  .btn-primary{box-shadow:0 0 0 1px rgba(76,95,224,.55),0 8px 20px rgba(76,95,224,.28)}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .hero-title{font-size:30px}
  .logo-text{font-size:15.5px}
  .drawer-links{grid-template-columns:1fr}
  .modal-panel{padding:24px 20px;margin:4vh auto}
}

/* roulang page: category2 */
:root{
  --bg:#070B18;
  --bg-2:#0C1226;
  --bg-3:#05080F;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.08);
  --primary:#4C5FE0;
  --primary-dark:#2E3CA8;
  --primary-light:#8A97FF;
  --cyan:#38E1D6;
  --gold:#F3C969;
  --text:#EDF1FF;
  --text-2:#A8B2D6;
  --text-3:#6E7AA3;
  --danger:#FF6B81;
  --r-card:18px;
  --r-panel:22px;
  --r-input:12px;
  --r-img:14px;
  --shadow:0 18px 44px rgba(3,6,20,.55);
  --shadow-soft:0 10px 30px rgba(3,6,20,.42);
  --glow:0 0 0 1px rgba(76,95,224,.6),0 10px 30px rgba(76,95,224,.35),0 0 26px rgba(56,225,214,.28);
}
*,*::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:"Inter","Manrope","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.text-link{
  color:var(--text);
  background-image:linear-gradient(var(--cyan),var(--cyan));
  background-size:0 1px;
  background-repeat:no-repeat;
  background-position:0 100%;
  transition:background-size .25s ease,color .2s ease;
  padding-bottom:2px;
}
.text-link:hover{background-size:100% 1px;color:#fff;font-weight:600}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:34px;line-height:1.25;margin-bottom:18px;position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--primary));
}
.section-head p{color:var(--text-2);font-size:17px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--cyan);
  border:1px solid rgba(56,225,214,.35);border-radius:999px;
  padding:5px 14px;margin-bottom:18px;background:rgba(56,225,214,.06);
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary-light);
  border:1px solid rgba(138,151,255,.32);border-radius:999px;
  padding:5px 14px;background:rgba(76,95,224,.12);margin-bottom:22px;
}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;color:var(--text-2);
  border:1px solid var(--border);border-radius:999px;
  padding:3px 12px;background:rgba(255,255,255,.04);
}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .28s ease,background .22s ease,border-color .22s ease,filter .22s ease,color .22s ease;
  background:transparent;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#4C5FE0,#5A6BE8);
  color:#F6F8FF;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,95,224,.7),0 14px 38px rgba(76,95,224,.45),0 0 36px rgba(56,225,214,.36)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(76,95,224,.6),0 6px 18px rgba(76,95,224,.3)}
.btn-primary:disabled{box-shadow:none;opacity:.45;cursor:not-allowed;transform:none}
.btn-ghost{
  border-color:rgba(255,255,255,.14);color:var(--text-2);
  background:rgba(255,255,255,.04);backdrop-filter:blur(10px);
}
.btn-ghost:hover{color:#fff;border-color:rgba(56,225,214,.5);background:rgba(56,225,214,.08)}
.btn-outline{border-color:rgba(138,151,255,.45);color:var(--primary-light)}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(56,225,214,.08);transform:translateY(-2px)}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-block{width:100%}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,24,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;filter:drop-shadow(0 0 10px rgba(56,225,214,.5))}
.logo-mark svg{width:26px;height:26px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.16em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--cyan);opacity:.5;transition:opacity .2s ease,transform .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:#fff;background:rgba(76,95,224,.16)}
.nav-link.is-active::before{opacity:1;transform:scale(1.25)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:rgba(255,255,255,.05);
  cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--text);border-radius:2px;transition:.24s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}
/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(7,11,24,.96);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:92px 20px 28px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible}
.drawer-inner{display:flex;flex-direction:column;height:100%;gap:24px}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.drawer-link{
  display:flex;align-items:center;justify-content:center;text-align:center;
  min-height:82px;padding:16px;border-radius:16px;
  border:1px solid var(--border);background:var(--glass);
  font-size:16px;font-weight:600;color:var(--text-2);transition:.22s;
}
.drawer-link:hover,.drawer-link.is-active{color:#fff;border-color:rgba(56,225,214,.45);background:rgba(56,225,214,.08)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.drawer-contact{margin:0;text-align:center;font-size:13px;color:var(--text-3)}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 88px;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.34;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:
    radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px),
    radial-gradient(900px 420px at 14% 6%,rgba(76,95,224,.34),transparent 62%),
    radial-gradient(700px 400px at 88% 28%,rgba(56,225,214,.16),transparent 64%),
    linear-gradient(180deg,rgba(7,11,24,.45),rgba(7,11,24,.96));
  background-size:26px 26px,auto,auto,auto;
}
.hero > .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--cyan)}
.crumbs span.sep{color:var(--text-3);opacity:.6}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:48px;line-height:1.15;margin-bottom:22px}
.hero h1 .accent{
  background:linear-gradient(100deg,var(--cyan),var(--primary-light));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:var(--text-2);max-width:600px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;
  background:rgba(255,255,255,.04);backdrop-filter:blur(10px);
}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(56,225,214,.9)}
.hero-visual{position:relative}
.visual-frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);background:linear-gradient(140deg,#131B3A,#0A1024);
}
.visual-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.visual-chip{
  position:absolute;left:-16px;bottom:26px;
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:999px;
  background:rgba(12,18,38,.86);border:1px solid rgba(56,225,214,.35);
  box-shadow:var(--shadow-soft);backdrop-filter:blur(14px);
  font-size:13px;color:var(--text-2);
}
.chip-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(56,225,214,.9);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.82)}}
/* ---------- 统计带 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  padding:30px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);
  box-shadow:var(--shadow);backdrop-filter:blur(14px);
}
.stat{padding:8px 16px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{
  font-size:44px;font-weight:700;line-height:1.1;color:var(--gold);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:20px;margin-left:2px;color:var(--gold);opacity:.85}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px}
/* ---------- 步骤流 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;padding:28px 24px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);box-shadow:var(--shadow);
  backdrop-filter:blur(14px);transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,225,214,.34);background:rgba(255,255,255,.065)}
.step::after{
  content:"";position:absolute;top:47px;right:-24px;width:24px;height:1px;
  background:linear-gradient(90deg,rgba(56,225,214,.65),rgba(56,225,214,.05));
}
.step:last-child::after{display:none}
.step-num{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:var(--cyan);
  border:1px solid rgba(56,225,214,.4);background:rgba(56,225,214,.08);
  margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.step p{font-size:15px;color:var(--text-2);margin:0}
/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);background:linear-gradient(140deg,#121A38,#0A1024)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.split-copy h3{font-size:26px;line-height:1.35;margin-bottom:16px}
.split-copy p{color:var(--text-2);font-size:16px}
.dot-list{margin-top:8px;display:grid;gap:12px}
.dot-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7}
.dot-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:11px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 10px rgba(56,225,214,.55);
  transform:rotate(45deg);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(14px);transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(56,225,214,.32);background:rgba(255,255,255,.06)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 24px;text-align:left;cursor:pointer;
  font-size:20px;font-weight:600;line-height:1.45;
}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--cyan);
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;border-radius:2px;
}
.faq-icon::before{width:14px;height:1.6px}
.faq-icon::after{width:1.6px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{
  padding:0 24px 22px 24px;margin-left:24px;
  border-left:1px solid rgba(56,225,214,.55);
  color:var(--text-2);font-size:16px;
}
.faq-a-inner p{margin:0}
/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);
  border:1px solid var(--border);box-shadow:var(--shadow);
  background:var(--bg-2);padding:56px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px),
    radial-gradient(600px 320px at 88% 12%,rgba(76,95,224,.32),transparent 66%),
    radial-gradient(500px 300px at 6% 96%,rgba(56,225,214,.16),transparent 66%);
  background-size:24px 24px,auto,auto;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:32px;line-height:1.3;margin-bottom:16px}
.cta-panel p{color:var(--text-2);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.privacy-line{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--text-3);line-height:1.6;margin-top:22px;max-width:560px;
}
.privacy-dot{flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-top:8px}
.cta-side{
  border:1px solid var(--border);border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(14px);padding:26px;
}
.cta-side h3{font-size:19px;margin-bottom:14px}
.cta-side ul{display:grid;gap:10px}
.cta-side li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--text-2);border-bottom:1px dashed var(--line);padding-bottom:9px}
.cta-side li:last-child{border-bottom:0;padding-bottom:0}
.cta-side li b{color:var(--gold);font-weight:600;font-variant-numeric:tabular-nums}
/* ---------- 悬浮咨询 ---------- */
.float-consult{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:999px;border:1px solid rgba(56,225,214,.4);
  background:rgba(12,18,38,.9);backdrop-filter:blur(14px);
  color:var(--text);font-size:14px;font-weight:600;cursor:pointer;
  box-shadow:0 12px 34px rgba(3,6,20,.6),0 0 20px rgba(56,225,214,.2);
  transition:transform .22s ease,box-shadow .28s ease,border-color .22s ease;
}
.float-consult::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(56,225,214,.9)}
.float-consult:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 16px 40px rgba(3,6,20,.66),0 0 30px rgba(56,225,214,.34)}
/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease}
.modal.is-open{opacity:1;visibility:visible}
.modal-mask{position:absolute;inset:0;background:rgba(4,7,18,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal-panel{
  position:relative;z-index:1;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;
  border-radius:var(--r-panel);border:1px solid var(--border);
  background:rgba(12,18,38,.94);backdrop-filter:blur(16px);
  box-shadow:0 30px 70px rgba(3,6,20,.7);padding:34px;
  transform:translateY(14px) scale(.98);transition:transform .28s ease;
}
.modal.is-open .modal-panel{transform:translateY(0) scale(1)}
.modal-success{
  height:3px;border-radius:3px;background:var(--cyan);box-shadow:0 0 14px rgba(56,225,214,.8);
  margin:-10px 0 16px;display:none;
}
.modal-success.is-on{display:block}
.modal-ok{display:none;font-size:14px;color:var(--cyan);margin-bottom:14px}
.modal-ok.is-on{display:block}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:12px;
  border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--text-2);
  cursor:pointer;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:.2s;
}
.modal-close:hover{color:#fff;border-color:rgba(56,225,214,.5);background:rgba(56,225,214,.08)}
.modal-title{font-size:24px;margin-bottom:8px}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-input);
  border:1px solid var(--border);background:rgba(255,255,255,.05);
  color:var(--text);font-size:15px;transition:border-color .2s ease,background .2s ease;
}
.field textarea{min-height:88px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(56,225,214,.6);background:rgba(56,225,214,.06);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field-err{display:none;font-size:12px;color:var(--danger);margin-top:6px}
.field.has-error .field-err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.6;margin:6px 0 20px}
.check input{margin-top:4px;accent-color:#38E1D6;width:15px;height:15px}
.form-note{font-size:13px;color:var(--text-3);margin:14px 0 0;line-height:1.6}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:72px 0 26px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.75;max-width:340px;margin:0}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:var(--text-2)}
.footer-col a{color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:48px;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:13px;color:var(--text-3);
}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:var(--text-3)}
.footer-links a:hover{color:var(--cyan)}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:48px 0 72px}
  .hero h1{font-size:40px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .step::after{display:none}
  .split{gap:36px}
  .cta-panel{grid-template-columns:1fr;padding:44px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head h2{font-size:27px}
  .hero h1{font-size:33px}
  .hero-sub{font-size:16px}
  .stats-band{grid-template-columns:1fr 1fr;gap:18px;padding:24px 18px}
  .stat{border-right:0;padding:6px 8px}
  .steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:24px}
  .split.reverse .split-media{order:0}
  .split + .split{margin-top:48px}
  .split-copy h3{font-size:22px}
  .cta-panel{padding:32px 22px;border-radius:18px}
  .cta-panel h2{font-size:26px}
  .faq-q{font-size:17px;padding:17px 18px}
  .faq-a-inner{padding:0 18px 18px 18px;margin-left:14px}
  .footer-grid{grid-template-columns:1fr}
  .nav-actions .btn-ghost{display:none}
  .float-consult{right:16px;bottom:16px;padding:11px 18px;font-size:13px}
  .drawer-links{grid-template-columns:1fr}
}
@media (max-width:520px){
  .hero h1{font-size:29px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:34px}
  .modal-panel{padding:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#070B18;
  --bg-2:#0C1226;
  --bg-3:#05080F;
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.10);
  --primary:#4C5FE0;
  --primary-deep:#2E3CA8;
  --primary-light:#8A97FF;
  --cyan:#38E1D6;
  --gold:#F3C969;
  --text:#EDF1FF;
  --text-2:#A8B2D6;
  --text-3:#6E7AA3;
  --line:rgba(255,255,255,.08);
  --success:#38E1D6;
  --warn:#FF6B81;
  --disabled:#55618A;
  --r-card:18px;
  --r-panel:22px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:14px;
  --shadow-card:0 18px 44px rgba(3,6,20,.55);
  --glow:0 0 0 1px rgba(76,95,224,.6),0 10px 30px rgba(76,95,224,.35),0 0 26px rgba(56,225,214,.28);
  --gap:96px;
  --font:"Inter","Manrope","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::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:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#fff;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(56,225,214,.28);}

/* 通用容器与排版 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--gap) 0;position:relative;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--cyan);
  padding:6px 14px;border:1px solid rgba(56,225,214,.32);border-radius:var(--r-pill);
  margin-bottom:18px;
}
.section-tag::before{content:"";width:6px;height:6px;background:var(--cyan);transform:rotate(45deg);}
.section-title{font-size:34px;line-height:1.25;margin-bottom:16px;}
.section-desc{color:var(--text-2);font-size:16.5px;}
.text-cyan{color:var(--cyan);}
.text-gold{color:var(--gold);}
.text-muted{color:var(--text-2);}

/* 顶部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(7,11,24,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:78px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;}
.logo-mark{width:30px;height:30px;flex:0 0 30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:linear-gradient(145deg,rgba(76,95,224,.35),rgba(56,225,214,.16));border:1px solid var(--glass-line);}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:18px;letter-spacing:-.01em;white-space:nowrap;}
.logo-text em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--text-3);letter-spacing:.12em;margin-top:-4px;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  color:var(--text-2);font-size:15px;padding:9px 14px;border-radius:var(--r-pill);
  transition:color .22s ease,background .22s ease;
}
.nav-link::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--text-3);transition:background .22s ease,box-shadow .22s ease;}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link:hover::before{background:var(--cyan);box-shadow:0 0 10px rgba(56,225,214,.8);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;background:rgba(76,95,224,.18);}
.nav-link.is-active::before{background:var(--cyan);box-shadow:0 0 10px rgba(56,225,214,.8);}
.nav-actions{display:flex;align-items:center;gap:12px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;
  padding:12px 22px;line-height:1.2;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease,opacity .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;border:1px solid rgba(138,151,255,.45);
  box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(138,151,255,.75),0 14px 36px rgba(76,95,224,.42),0 0 34px rgba(56,225,214,.34);color:#fff;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(76,95,224,.5),0 6px 16px rgba(76,95,224,.28);}
.btn-ghost{
  background:rgba(255,255,255,.03);border:1px solid var(--glass-line);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(56,225,214,.5);color:#fff;transform:translateY(-2px);background:rgba(56,225,214,.08);}
.btn-outline-cyan{
  background:transparent;border:1px solid rgba(56,225,214,.45);color:var(--cyan);
}
.btn-outline-cyan:hover{background:rgba(56,225,214,.1);color:#fff;transform:translateY(-2px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
.btn-lg{padding:15px 30px;font-size:16px;}

/* 移动端抽屉 */
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);background:rgba(255,255,255,.04);flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;inset:78px 0 0;z-index:55;background:rgba(5,8,15,.96);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  display:none;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-inner{padding:26px 22px 40px;display:flex;flex-direction:column;gap:26px;min-height:100%;}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-link{
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:20px 14px;border-radius:var(--r-card);border:1px solid var(--glass-line);
  background:var(--glass);color:var(--text);font-size:15px;font-weight:600;
}
.drawer-link.is-active{border-color:rgba(56,225,214,.5);color:var(--cyan);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}
.drawer-contact{font-size:13px;color:var(--text-3);text-align:center;}

/* 首屏 */
.page-hero{
  position:relative;padding:150px 0 84px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(7,11,24,.82),rgba(7,11,24,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 18% 26%,rgba(76,95,224,.34),transparent 46%),
                   radial-gradient(circle at 82% 12%,rgba(56,225,214,.22),transparent 42%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--cyan);}
.crumbs .sep{color:var(--text-3);}
.crumbs .now{
  color:var(--text);border:1px solid var(--glass-line);border-radius:var(--r-pill);
  padding:3px 12px;background:rgba(255,255,255,.04);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--gold);
  border:1px solid rgba(243,201,105,.35);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px;
  background:rgba(243,201,105,.08);
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);}
.page-hero h1{font-size:50px;line-height:1.15;margin-bottom:20px;}
.page-hero h1 span{
  background:linear-gradient(120deg,var(--cyan),var(--primary-light));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);
  border:1px solid var(--glass-line);border-radius:var(--r-pill);padding:6px 14px;background:rgba(255,255,255,.03);
}
.pill::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-panel);
  border:1px solid var(--glass-line);box-shadow:var(--shadow-card);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-panel);pointer-events:none;
  background:linear-gradient(200deg,rgba(7,11,24,0),rgba(7,11,24,.55));
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;z-index:3;
  background:rgba(12,18,38,.86);border:1px solid var(--glass-line);border-radius:var(--r-card);
  padding:14px 18px;backdrop-filter:blur(14px);box-shadow:var(--shadow-card);min-width:186px;
}
.hero-float strong{display:block;font-size:26px;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-float span{font-size:12.5px;color:var(--text-3);}

/* 数据带 */
.stats-band{
  margin-top:-42px;position:relative;z-index:5;
}
.stats-inner{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--glass-line);border:1px solid var(--glass-line);
  border-radius:var(--r-panel);overflow:hidden;backdrop-filter:blur(14px);
}
.stat{background:rgba(8,12,26,.86);padding:26px 26px;text-align:left;}
.stat-num{
  font-size:40px;font-weight:700;color:var(--gold);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:18px;margin-left:2px;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:8px;}

/* 对照卡 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;}
.compare-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  padding:30px 28px;backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.compare-card:hover{border-color:rgba(56,225,214,.32);transform:translateY(-4px);background:rgba(255,255,255,.065);}
.compare-card.is-highlight{
  border-color:rgba(76,95,224,.55);
  background:linear-gradient(160deg,rgba(76,95,224,.16),rgba(255,255,255,.04));
}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.compare-head h3{font-size:21px;}
.tag{
  font-size:12px;color:var(--cyan);border:1px solid rgba(56,225,214,.35);
  border-radius:var(--r-pill);padding:4px 12px;white-space:nowrap;
}
.tag-gold{color:var(--gold);border-color:rgba(243,201,105,.4);}
.compare-card > p{color:var(--text-2);font-size:15px;margin:8px 0 18px;}
.check-list li{
  display:flex;gap:11px;align-items:flex-start;padding:9px 0;
  border-top:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.check-list li:first-child{border-top:0;}
.check-list .dot{
  flex:0 0 8px;width:8px;height:8px;margin-top:9px;transform:rotate(45deg);
  background:var(--cyan);border-radius:2px;
}
.check-list .dot-dim{background:var(--text-3);}
.check-list strong{color:var(--text);font-weight:600;}

/* 规格表 */
.spec-wrap{
  border:1px solid var(--glass-line);border-radius:var(--r-panel);
  background:var(--glass);backdrop-filter:blur(14px);overflow:hidden;box-shadow:var(--shadow-card);
}
.table-scroll{overflow-x:auto;}
table.spec{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
table.spec th,table.spec td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
table.spec thead th{
  background:rgba(76,95,224,.14);color:#fff;font-size:14px;letter-spacing:.02em;font-weight:600;
  border-bottom:1px solid rgba(76,95,224,.3);
}
table.spec tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
table.spec tbody tr:hover{background:rgba(56,225,214,.06);}
table.spec td:first-child{color:var(--text-2);white-space:nowrap;}
table.spec td{color:var(--text);}
table.spec tbody tr:last-child td{border-bottom:0;}
.spec-note{font-size:13px;color:var(--text-3);padding:16px 20px;border-top:1px solid var(--line);}

/* 案例网格 */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.case-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  overflow:hidden;backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.case-card:hover{border-color:rgba(56,225,214,.32);transform:translateY(-4px);background:rgba(255,255,255,.062);}
.case-card:nth-child(even){margin-top:34px;}
.case-media{position:relative;}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.12),rgba(5,8,15,.72));}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body h3{font-size:19px;}
.case-body p{font-size:15px;color:var(--text-2);}
.case-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px;}
.case-meta span{font-size:12.5px;color:var(--text-3);border:1px solid var(--glass-line);border-radius:var(--r-pill);padding:4px 12px;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-card);
  backdrop-filter:blur(14px);overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(56,225,214,.3);}
.faq-item.is-open{border-color:rgba(56,225,214,.4);background:rgba(255,255,255,.062);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:18px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:#fff;}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--glass-line);position:relative;transition:transform .28s ease,border-color .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--cyan);transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .28s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:rgba(56,225,214,.5);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a-inner{
  padding:0 24px 22px 24px;margin-left:24px;border-left:1px solid rgba(56,225,214,.5);
  padding-left:20px;color:var(--text-2);font-size:15.5px;
}

/* CTA 表单 */
.cta-panel{
  border:1px solid var(--glass-line);border-radius:var(--r-panel);
  background:linear-gradient(150deg,rgba(76,95,224,.16),rgba(12,18,38,.72));
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  padding:44px 42px;display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start;
}
.cta-panel h2{font-size:32px;line-height:1.25;margin-bottom:16px;}
.cta-panel p.lead{color:var(--text-2);font-size:16px;margin-bottom:22px;}
.cta-points li{display:flex;gap:11px;align-items:flex-start;padding:8px 0;color:var(--text-2);font-size:15px;}
.cta-points .dot{flex:0 0 8px;width:8px;height:8px;margin-top:9px;transform:rotate(45deg);background:var(--cyan);border-radius:2px;}
.form-card{
  background:rgba(8,12,26,.72);border:1px solid var(--glass-line);border-radius:var(--r-panel);
  padding:28px 26px;backdrop-filter:blur(14px);
}
.field{margin-bottom:16px;}
.field-label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field-label b{color:var(--warn);font-weight:400;margin-left:3px;}
.input,.select,.textarea{
  width:100%;border-radius:var(--r-input);border:1px solid var(--glass-line);
  background:rgba(255,255,255,.045);color:var(--text);padding:12px 14px;font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.textarea{min-height:104px;resize:vertical;line-height:1.7;}
.input::placeholder,.textarea::placeholder{color:var(--text-3);}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:rgba(56,225,214,.65);box-shadow:0 0 0 3px rgba(56,225,214,.16);
  background:rgba(255,255,255,.07);
}
.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) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field.has-error .input,.field.has-error .select,.field.has-error .textarea{border-color:var(--warn);}
.field-error{display:none;font-size:12.5px;color:var(--warn);margin-top:6px;}
.field.has-error .field-error{display:block;}
.privacy{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.6;margin:6px 0 18px;}
.privacy input[type="checkbox"]{
  appearance:none;flex:0 0 16px;width:16px;height:16px;margin-top:3px;border-radius:4px;
  border:1px solid var(--glass-line);background:rgba(255,255,255,.05);position:relative;transition:border-color .2s ease,background .2s ease;
}
.privacy input[type="checkbox"]:checked{border-color:var(--cyan);background:rgba(56,225,214,.22);}
.privacy input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:5px;top:1.5px;width:4px;height:8px;
  border:2px solid var(--cyan);border-top:0;border-left:0;transform:rotate(42deg);
}
.privacy a{color:var(--cyan);border-bottom:1px solid rgba(56,225,214,.5);}
.privacy a:hover{color:#fff;border-bottom-color:#fff;}
.form-success{
  display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--r-input);
  border-left:3px solid var(--cyan);background:rgba(56,225,214,.1);color:var(--text);font-size:14px;
}
.form-success.is-visible{display:block;}

/* 悬浮咨询按钮 */
.float-consult{
  position:fixed;right:22px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:#fff;
  border:1px solid rgba(138,151,255,.45);box-shadow:var(--glow);
  transition:transform .22s ease,filter .22s ease;
}
.float-consult:hover{transform:translateY(-2px);filter:brightness(1.08);color:#fff;}
.float-consult svg{width:16px;height:16px;}

/* 弹层 */
.modal{
  position:fixed;inset:0;z-index:90;display:none;
  align-items:center;justify-content:center;padding:24px;
}
.modal.is-open{display:flex;}
.modal-mask{
  position:absolute;inset:0;background:rgba(4,7,18,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.modal-panel{
  position:relative;z-index:2;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;
  background:linear-gradient(160deg,rgba(20,27,52,.96),rgba(8,12,26,.97));
  border:1px solid var(--glass-line);border-radius:var(--r-panel);
  padding:30px 28px 26px;box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal-panel::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--cyan),var(--primary-light));
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px;}
.modal-head h3{font-size:22px;}
.modal-close{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;border:1px solid var(--glass-line);
  color:var(--text-2);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.modal-close:hover{border-color:rgba(56,225,214,.5);color:#fff;background:rgba(56,225,214,.1);}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:20px;}

/* 页脚 */
.site-footer{
  background:var(--bg-3);border-top:1px solid var(--line);padding:66px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{font-size:14px;color:var(--text-3);margin-top:16px;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{font-size:14px;color:var(--text-3);}
.footer-col a{color:var(--text-2);position:relative;}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--cyan);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.footer-col a:hover{color:#fff;}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-links{display:flex;gap:20px;}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--cyan);}

/* 响应式 */
@media (max-width:1200px){
  :root{--gap:82px;}
  .nav-links{gap:2px;}
  .nav-link{padding:9px 11px;font-size:14.5px;}
}
@media (max-width:1024px){
  :root{--gap:72px;}
  .nav-links,.nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .page-hero{padding:126px 0 70px;}
  .page-hero h1{font-size:40px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .compare-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--gap:56px;--r-card:14px;--r-panel:16px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .site-header.is-scrolled{background:rgba(7,11,24,.86);}
  .nav{height:70px;}
  .mobile-drawer{inset:70px 0 0;}
  .page-hero{padding:112px 0 58px;}
  .page-hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .section-title{font-size:26px;}
  .stats-inner{grid-template-columns:1fr 1fr;}
  .stat:last-child{grid-column:1 / -1;}
  .stat-num{font-size:34px;}
  .case-grid{grid-template-columns:1fr;}
  .case-card:nth-child(even){margin-top:0;}
  .hero-float{left:12px;bottom:12px;padding:12px 14px;min-width:158px;}
  .modal{padding:14px;}
  .modal-panel{padding:26px 20px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-consult{right:14px;bottom:16px;padding:11px 16px;font-size:13px;}
  .cta-panel{padding:28px 20px;}
  .btn{box-shadow:none;}
  .btn-primary{box-shadow:0 0 0 1px rgba(76,95,224,.5),0 8px 20px rgba(76,95,224,.26);}
  .float-consult{box-shadow:0 0 0 1px rgba(76,95,224,.5),0 8px 20px rgba(76,95,224,.26);}
}
@media (max-width:520px){
  .page-hero h1{font-size:29px;}
  .stats-inner{grid-template-columns:1fr;}
  .stat:last-child{grid-column:auto;}
  .drawer-links{grid-template-columns:1fr;}
  .compare-card{padding:24px 20px;}
  .logo-text{font-size:16px;}
  .logo-text em{font-size:11px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}