/* ===================== 基础变量（靛蓝 + 青绿）===================== */
:root{
  --primary:#4f46e5;
  --primary-2:#7c3aed;
  --primary-3:#6366f1;
  --accent:#14b8a6;
  --accent-2:#10b981;

  --bg-light:#f5f6fc;
  --bg-light-2:#ffffff;
  --bg-dark:#080a1e;
  --bg-dark-2:#0f1230;
  --bg-card-dark:#181b3e;

  --text:#0f172a;
  --text-2:#475569;
  --text-3:#94a3b8;
  --text-on-dark:#dde2f5;
  --text-on-dark-2:#9ba3cd;
  --text-on-dark-3:#6c719c;

  --border:rgba(15,23,42,0.08);
  --border-dark:rgba(255,255,255,0.08);

  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(15,23,42,0.04);
  --shadow:0 12px 32px rgba(15,23,42,0.06);
  --shadow-lg:0 24px 48px rgba(15,23,42,0.10);

  --gradient-indigo:linear-gradient(135deg,#4f46e5 0%,#6366f1 50%,#14b8a6 100%);
  --gradient-text:linear-gradient(90deg,#a5b4fc,#7dd3fc,#5eead4);
  --gradient-text-light:linear-gradient(90deg,#4f46e5,#6366f1,#14b8a6);
}

/* ===================== Reset ===================== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--text);line-height:1.7;background:#fff;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

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

/* ===================== 通用 ===================== */
.text-white{color:#fff !important}
.text-gradient{
  background:var(--gradient-text);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-light .text-gradient{
  background:var(--gradient-text-light);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.section{padding:104px 0;position:relative}
.section-light{background:var(--bg-light)}
.section-light + .section-light{background:#fff}
.section-dark{
  background:linear-gradient(180deg,#080a1e 0%,#0f1230 100%);
  color:var(--text-on-dark);
}
.section-dark .section-sub{color:var(--text-on-dark-2)}

.section-head{text-align:center;margin-bottom:64px}
.section-title{
  font-size:38px;font-weight:800;line-height:1.3;letter-spacing:-0.02em;
}
.section-sub{
  margin-top:18px;font-size:16px;color:var(--text-2);
  max-width:820px;margin-left:auto;margin-right:auto;
}
.section-sub strong{color:var(--text)}
.section-dark .section-sub strong{color:#fff}

.sub-section-head{margin:96px 0 40px;text-align:center}
.sub-section-title{
  font-size:30px;font-weight:800;line-height:1.35;letter-spacing:-.01em;
}
.section-dark .sub-section-title{color:#fff}
.block-title-h3{
  font-size:28px;font-weight:800;line-height:1.35;
  letter-spacing:-.01em;margin-bottom:14px;
}

/* ===================== 配图 ===================== */
.section-figure{
  margin-top:56px;border-radius:var(--radius-lg);overflow:hidden;
  background:#e8eaf5;border:1px solid var(--border);
}
.section-dark .section-figure{
  background:rgba(255,255,255,0.03);border-color:var(--border-dark);
}
.section-figure img{width:100%;height:auto;display:block}
.section-figure figcaption{
  text-align:center;padding:16px 24px;
  color:var(--text-2);font-size:14px;background:#fff;
}
.section-dark .section-figure figcaption{
  background:rgba(255,255,255,0.04);color:var(--text-on-dark-2);
}
.section-figure-lg{margin-top:64px}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 28px;border-radius:10px;
  font-weight:600;font-size:15px;
  transition:all .2s ease;border:1px solid transparent;
}
.btn-lg{padding:16px 36px;font-size:16px}
.btn-primary{
  background:var(--gradient-indigo);color:#fff;
  box-shadow:0 8px 22px rgba(79,70,229,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(79,70,229,.45)}
.btn-ghost{
  background:transparent;color:#fff;
  border-color:rgba(255,255,255,.25);
}
.section-light .btn-ghost{
  color:var(--text);border-color:var(--border);background:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.section-light .btn-ghost:hover{
  background:var(--bg-light);border-color:var(--primary);color:var(--primary);
}
.btn-link{
  color:#a5b4fc;font-size:14.5px;font-weight:600;padding:13px 8px;
}
.btn-link:hover{color:#fff}

/* ===================== 顶部导航 ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(8,10,30,0.6);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:all .3s ease;
}
.nav.is-scrolled{
  background:rgba(8,10,30,0.85);
  border-bottom-color:rgba(255,255,255,.1);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:32px;
}
.logo{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--gradient-indigo);color:#fff;
  font-weight:900;font-size:18px;
  box-shadow:0 6px 16px rgba(79,70,229,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text small{
  font-size:11px;color:var(--text-on-dark-2);
  font-weight:500;letter-spacing:.04em;
}
.nav-links{display:flex;gap:24px}
.nav-links a{
  color:var(--text-on-dark-2);font-size:14.5px;font-weight:500;
  transition:color .2s;
}
.nav-links a:hover{color:#fff}
.nav-cta{
  background:var(--gradient-indigo);color:#fff;
  padding:9px 20px;border-radius:8px;
  font-size:14px;font-weight:600;transition:all .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(79,70,229,.45)}

/* ===================== 1. Hero ===================== */
.hero{
  position:relative;padding:160px 0 96px;
  background:linear-gradient(180deg,#080a1e 0%,#0f1230 50%,#1a1147 100%);
  color:var(--text-on-dark);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 18% 25%,rgba(79,70,229,.22),transparent 40%),
    radial-gradient(circle at 78% 75%,rgba(20,184,166,.18),transparent 45%),
    linear-gradient(rgba(99,102,241,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(99,102,241,.06) 1px,transparent 1px);
  background-size:auto,auto,60px 60px,60px 60px;
  pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;align-items:center;
}
.hero-eyebrow{
  display:inline-block;padding:8px 16px;border-radius:999px;
  background:rgba(79,70,229,.16);
  border:1px solid rgba(165,180,252,.32);
  color:#c7d2fe;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero-title{
  margin-top:24px;font-size:60px;line-height:1.15;font-weight:900;
  letter-spacing:-0.02em;color:#fff;
}
.hero-sub{
  margin-top:24px;font-size:17px;line-height:1.85;
  color:var(--text-on-dark-2);max-width:580px;
}
.hero-sub strong{color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  color:var(--text-on-dark);font-size:13.5px;font-weight:500;
}
.hero-actions{margin-top:36px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-visual{
  position:relative;border-radius:24px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}

/* ===================== 网格 ===================== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* ===================== 2. Split Layout ===================== */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:64px;align-items:center;
  margin-top:80px;
}
.split-text h3{font-size:28px;font-weight:800;line-height:1.35;margin-bottom:18px;color:var(--text)}
.section-dark .split-text h3{color:#fff}
.split-text p{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.section-dark .split-text p{color:var(--text-on-dark-2)}
.split-text strong{color:var(--text)}
.section-dark .split-text strong{color:#fff}
.split-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  background:#e8eaf5;border:1px solid var(--border);
}
.split-vertical{
  grid-template-columns:1fr;
  gap:28px;
}
.split-text-wide{max-width:920px}
.split-figure-wide{
  width:100%;
  max-width:100%;
}
.section-dark .split-figure{
  background:rgba(255,255,255,.04);border-color:var(--border-dark);
}
.split-figure img{width:100%;display:block}
.split-figure-stack{display:flex;flex-direction:column;gap:14px;background:transparent;border:0}
.split-figure-stack > img{
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:#e8eaf5;
}
.section-dark .split-figure-stack > img{
  background:rgba(255,255,255,.04);
  border-color:var(--border-dark);
}
.split-figure-stack img.thumb{max-width:75%;align-self:flex-end}

.media-carousel{display:flex;flex-direction:column;gap:14px}
.media-carousel-frame{
  position:relative;
  overflow:hidden;
  border-radius:inherit;
  background:inherit;
  min-height:0;
}
.media-slide{
  display:none;
  position:relative;
  background:inherit;
}
.media-slide.is-active{display:block}
.media-slide img{width:100%;display:block}
.media-slide-caption{
  margin:0;
  padding:12px 16px 4px;
  color:#e2e8f0;font-size:13px;font-weight:700;letter-spacing:.02em;
  text-align:center;
}
.section-light .media-slide-caption{color:var(--text-2)}
.carousel-controls{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.carousel-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  border:1px solid var(--border-dark);
  color:#fff;font-size:18px;font-weight:800;
  transition:all .2s ease;
}
.section-light .carousel-btn{
  background:#fff;border-color:var(--border);color:var(--text);
}
.carousel-btn:hover{transform:translateY(-1px);border-color:rgba(165,180,252,.5)}
.carousel-btn[disabled]{opacity:.45;cursor:default;transform:none}
.carousel-dots{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
.carousel-dot{
  width:10px;height:10px;border-radius:50%;
  background:rgba(148,163,184,.45);
  transition:all .2s ease;
}
.carousel-dot.is-active{width:26px;border-radius:999px;background:var(--primary)}
.section-dark .carousel-dot.is-active{background:#5eead4}
.split-figure-carousel{padding:14px}
.split-figure-carousel .media-carousel-frame{min-height:0}
.section-carousel{padding:14px}
.section-carousel .media-carousel-frame{min-height:0}
.section-carousel-compact .media-slide img{
  width:50%;
  margin:0 auto;
}
.fusion-figure .media-carousel{
  position:relative;
}
.fusion-figure .carousel-controls{
  position:absolute;
  inset:50% 0 auto;
  transform:translateY(-50%);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0 56px;
  pointer-events:none;
}
.fusion-figure .carousel-btn{
  pointer-events:auto;
  width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:rgba(15,23,42,.78);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
  box-shadow:0 10px 24px rgba(15,23,42,.22);
}
.fusion-figure .carousel-dots{
  display:none;
}
.fusion-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(420px,560px);
  gap:40px;
  align-items:start;
  margin-top:28px;
}
.fusion-copy .sub-section-head{
  margin-bottom:0;
}
.fusion-copy .section-sub{
  max-width:none;
}
.fusion-figure{
  margin:0;
  background:transparent;
  border:none;
  border-radius:0;
  overflow:visible;
  box-shadow:none;
}
.fusion-figure figcaption{
  background:transparent;
  padding:12px 0 0;
}
.case-carousel .media-carousel-frame{min-height:0}

.feature-tag{
  display:inline-block;
  padding:6px 14px;border-radius:999px;
  background:rgba(165,180,252,.18);
  border:1px solid rgba(165,180,252,.32);
  color:#c7d2fe;font-size:13px;font-weight:700;
  letter-spacing:.04em;margin-bottom:18px;
}
.feature-tag-light{
  background:rgba(79,70,229,.1);
  border-color:rgba(79,70,229,.2);
  color:var(--primary);
}

.key-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.key-list li{
  display:grid;grid-template-columns:auto 1fr;gap:14px;
  padding:14px 18px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:10px;
  align-items:center;
}
.key-list li strong{
  color:var(--text);font-weight:700;font-size:14px;
  padding:3px 10px;border-radius:6px;
  background:rgba(79,70,229,.1);
  white-space:nowrap;
}
.key-list li span{
  color:var(--text-2);font-size:14px;line-height:1.7;
}

/* ===================== 时间轴 ===================== */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:20px;position:relative;
  margin:8px 0;
}
.timeline::before{
  content:"";position:absolute;left:5%;right:5%;top:62px;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary) 20%,var(--accent) 80%,transparent);
  z-index:0;
}
.timeline li{
  position:relative;text-align:center;padding-top:80px;z-index:1;
}
.timeline li::before{
  content:"";position:absolute;top:54px;left:50%;
  width:18px;height:18px;margin-left:-9px;border-radius:50%;
  background:#fff;
  border:3px solid var(--primary);
  box-shadow:0 0 0 4px rgba(79,70,229,.12);
}
.timeline li.is-current::before{
  background:var(--gradient-indigo);border-color:#fff;
  box-shadow:0 0 0 4px rgba(79,70,229,.25),0 0 0 8px rgba(20,184,166,.15);
}
.tl-year{
  position:absolute;top:14px;left:0;right:0;
  font-size:18px;font-weight:800;color:var(--primary);
  letter-spacing:-.02em;
}
.timeline li.is-current .tl-year{
  background:var(--gradient-text-light);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.timeline h4{
  font-size:16px;font-weight:700;color:var(--text);
  margin-bottom:6px;
}
.timeline p{
  font-size:13px;color:var(--text-2);line-height:1.7;
}

/* ===================== 3. 挑战 ===================== */
.challenge-grid{margin-top:8px}
.challenge-card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius);
  padding:32px 28px;
  transition:all .25s;
  position:relative;overflow:hidden;
}
.challenge-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--gradient-indigo);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s;
}
.challenge-card:hover{
  transform:translateY(-4px);
  border-color:rgba(165,180,252,.4);
  background:rgba(79,70,229,.06);
}
.challenge-card:hover::before{transform:scaleX(1)}
.cl-num{
  display:inline-block;font-size:14px;font-weight:700;
  color:#a5b4fc;letter-spacing:.1em;margin-bottom:14px;
}
.challenge-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.challenge-card p{color:var(--text-on-dark-2);font-size:14.5px;line-height:1.8}

/* 路线表格 */
.route-table-wrap{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  overflow-x:auto;
  padding:8px;
}
.route-table{
  width:100%;border-collapse:separate;border-spacing:0;
  font-size:14.5px;
}
.route-table th,.route-table td{
  padding:18px 22px;text-align:left;
  border-bottom:1px solid var(--border-dark);
}
.route-table th{
  font-weight:700;font-size:13.5px;color:var(--text-on-dark-2);
  letter-spacing:.04em;
}
.route-table td{color:var(--text-on-dark-2)}
.route-table td:first-child{color:#fff;font-weight:600}
.route-table tr:last-child td{border-bottom:none}
.route-table tr.is-target{
  background:linear-gradient(90deg,rgba(79,70,229,.1),rgba(20,184,166,.06));
}
.route-table tr.is-target td:first-child{color:#fff}
.dot{
  display:inline-block;width:10px;height:10px;border-radius:50%;
  margin-right:6px;vertical-align:middle;
}
.dot-1{background:#10b981}
.dot-2{background:#facc15}
.dot-3{background:#fb923c}
.dot-4{background:linear-gradient(135deg,#f97316,#ef4444)}

/* 三需求 */
.demand-grid{margin-top:8px}
.demand-card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:36px 30px;
  transition:all .3s;
  border-left:3px solid transparent;
}
.demand-card:hover{
  transform:translateY(-4px);
  border-left-color:var(--accent);
  background:rgba(20,184,166,.05);
}
.demand-num{
  display:inline-block;font-size:13px;font-weight:700;
  color:#5eead4;letter-spacing:.06em;margin-bottom:16px;
  padding:4px 10px;border-radius:6px;
  background:rgba(20,184,166,.12);
}
.demand-card h4{
  font-size:20px;font-weight:700;color:#fff;line-height:1.4;
  margin-bottom:12px;
}
.demand-card p{color:var(--text-on-dark-2);font-size:14.5px;line-height:1.85}

/* ===================== 4. 方法论 ===================== */
.methodology-grid{margin-top:8px}
.meth-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px 32px;
  transition:all .3s;
}
.meth-card:hover{
  transform:translateY(-4px);
  border-color:rgba(79,70,229,.25);
  box-shadow:var(--shadow);
}
.meth-card-mid{
  background:linear-gradient(135deg,#f0f4ff 0%,#fff 100%);
  border-color:rgba(79,70,229,.25);
}
.meth-num{
  display:inline-block;font-size:24px;font-weight:900;
  background:var(--gradient-text-light);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:12px;letter-spacing:-.02em;
  font-family:'Noto Sans SC',sans-serif;
}
.meth-card h3{font-size:22px;font-weight:700;color:var(--text);margin-bottom:14px}
.meth-card p{color:var(--text-2);font-size:14.5px;line-height:1.85}

/* ===================== 5. 产品架构 (Feature Rows) ===================== */
.feature{margin-bottom:96px}
.feature:last-child{margin-bottom:0}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;
  gap:72px;align-items:center;
}
.feature-row-reverse .feature-figure{order:2}
.feature-row-reverse .feature-text{order:1}
.feature-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  box-shadow:0 16px 40px rgba(0,0,0,.25);
}
.feature-figure img{width:100%;display:block}
.feature-text h3{
  font-size:30px;font-weight:800;line-height:1.3;color:#fff;
  margin-bottom:18px;letter-spacing:-.01em;
}
.feature-text p{
  color:var(--text-on-dark-2);font-size:15.5px;line-height:1.9;
  margin-bottom:14px;
}
.feature-text strong{color:#fff}

.cap-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.cap-list li{
  position:relative;padding:10px 14px 10px 32px;
  font-size:14.5px;color:var(--text-on-dark);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:8px;
}
.cap-list li::before{
  content:"";position:absolute;left:14px;top:50%;
  width:8px;height:8px;margin-top:-4px;border-radius:50%;
  background:var(--gradient-indigo);
}
.section-light .cap-list li{
  background:#fff;color:var(--text-2);border-color:var(--border);
}

.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip-list li{
  padding:6px 14px;border-radius:999px;
  background:rgba(165,180,252,.14);
  border:1px solid rgba(165,180,252,.28);
  color:#c7d2fe;font-size:13.5px;font-weight:600;
}

.rag-mini{margin-top:18px;gap:12px}
.rag-cell{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:10px;
  padding:14px 16px;
  transition:all .25s;
}
.rag-cell:hover{
  border-color:rgba(94,234,212,.3);
  background:rgba(20,184,166,.08);
}
.rag-cell h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:4px}
.rag-cell p{color:var(--text-on-dark-2);font-size:13px;margin:0;line-height:1.6}

.step-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:24px;
}
.step-pill{
  padding:9px 18px;border-radius:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border-dark);
  color:var(--text-on-dark);font-weight:600;font-size:14px;
}
.step-pill-strong{
  background:var(--gradient-indigo);
  color:#fff;border-color:transparent;
  box-shadow:0 6px 16px rgba(79,70,229,.32);
}
.step-arrow{color:#a5b4fc;font-weight:700;font-size:14px}

/* ===================== 6. 对比表 ===================== */
.compare-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:8px;
  overflow-x:auto;
  box-shadow:var(--shadow-sm);
}
.compare-table{
  width:100%;border-collapse:separate;border-spacing:0;
  font-size:14.5px;text-align:left;
}
.compare-table th{
  padding:18px 20px;font-weight:700;font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid var(--border);
  white-space:nowrap;
  background:#f8f9fc;
}
.compare-table th.highlight{
  color:#fff;
  background:var(--gradient-indigo);
}
.compare-table th:first-child{border-top-left-radius:14px}
.compare-table th:last-child{border-top-right-radius:14px}
.compare-table td{
  padding:18px 20px;line-height:1.75;
  color:var(--text-2);
  border-bottom:1px solid var(--border);
}
.compare-table td:first-child{font-weight:600;color:var(--text);width:18%}
.compare-table td.highlight{
  color:var(--text);font-weight:500;
  background:rgba(79,70,229,.05);
  border-left:1px solid rgba(79,70,229,.18);
}
.compare-table tr:last-child td{border-bottom:none}
.compare-table tr:last-child td:first-child{border-bottom-left-radius:14px}
.compare-table tr:last-child td:last-child{border-bottom-right-radius:14px}

/* 资源表 */
.resource-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:8px;overflow-x:auto;
  box-shadow:var(--shadow-sm);
}
.resource-table{
  width:100%;border-collapse:separate;border-spacing:0;
  font-size:14.5px;text-align:left;
}
.resource-table th,.resource-table td{
  padding:16px 20px;border-bottom:1px solid var(--border);
}
.resource-table th{
  font-weight:700;font-size:13.5px;color:var(--text-2);
  letter-spacing:.04em;background:#f8f9fc;
}
.resource-table th:first-child{border-top-left-radius:14px}
.resource-table th:last-child{border-top-right-radius:14px}
.resource-table td{color:var(--text-2);font-family:'JetBrains Mono','SF Mono',Menlo,Consolas,monospace;font-size:13.5px}
.resource-table td:first-child{
  color:var(--text);font-weight:600;font-family:inherit;font-size:14.5px;
}
.resource-table tr:last-child td{border-bottom:none}
.resource-table tr.is-highlight{
  background:linear-gradient(90deg,rgba(79,70,229,.06),rgba(20,184,166,.04));
}
.resource-table .merged{
  text-align:center;color:var(--primary);font-weight:600;
}

.agent-chips{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:center;
  max-width:900px;margin:0 auto;
}
.fusion-copy .agent-chips{
  justify-content:flex-start;
  max-width:none;
  margin:28px 0 0;
}
.agent-chips li{
  padding:10px 18px;border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  color:var(--text);font-weight:600;font-size:14px;
  transition:all .25s;
  box-shadow:var(--shadow-sm);
}
.agent-chips li:hover{
  border-color:rgba(79,70,229,.3);
  color:var(--primary);
  transform:translateY(-2px);
}

/* ===================== 7 & 8. Tabs ===================== */
.tabs{margin-top:8px}
.tab-nav{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:center;
  margin-bottom:48px;padding:6px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:14px;
  width:fit-content;margin-left:auto;margin-right:auto;
}
.section-light .tab-nav{
  background:#fff;border-color:var(--border);
}
.tab-btn{
  padding:11px 18px;border-radius:10px;
  font-size:14px;font-weight:600;
  color:var(--text-on-dark-2);transition:all .25s;
  white-space:nowrap;
}
.section-light .tab-btn{color:var(--text-2)}
.tab-btn:hover{color:#fff}
.section-light .tab-btn:hover{color:var(--text)}
.tab-btn.is-active{
  background:var(--gradient-indigo);color:#fff;
  box-shadow:0 8px 22px rgba(79,70,229,.3);
}
.tab-panel{display:none;animation:fadein .35s ease}
.tab-panel.is-active{display:block}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.tab-panel .split{margin-top:0}
.tab-panel .split-text h3{
  font-size:26px;line-height:1.35;margin-bottom:16px;
}

.mini-list{margin-top:18px;gap:12px}
.mini-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border-dark);
  border-radius:10px;
  padding:14px 18px;
  transition:all .25s;
}
.mini-card:hover{
  border-color:rgba(165,180,252,.3);
  background:rgba(79,70,229,.06);
}
.mini-card h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:4px}
.mini-card p{color:var(--text-on-dark-2);font-size:13px;margin:0;line-height:1.6}

/* ===================== 8. 案例 ===================== */
.case-block{
  display:grid;grid-template-columns:1fr 1.2fr;
  gap:48px;align-items:center;
  margin-bottom:40px;
}
.case-text .case-industry{
  display:inline-block;
  padding:5px 12px;border-radius:6px;
  background:rgba(79,70,229,.12);
  color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  margin-bottom:14px;
}
.case-text h3{
  font-size:28px;font-weight:800;line-height:1.35;
  color:var(--text);margin-bottom:14px;letter-spacing:-.01em;
}
.case-text p{
  color:var(--text-2);font-size:15.5px;line-height:1.9;
}
.case-text strong{color:var(--text)}

.case-main{
  border-radius:var(--radius-lg);overflow:hidden;
  background:#e8eaf5;border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.case-main img{width:100%;display:block}
.case-main .media-carousel{padding:18px}

.case-thumbs{
  display:grid;grid-template-columns:1fr 1fr;
  gap:20px;
}
.case-thumbs-1{grid-template-columns:1fr;max-width:600px;margin:0 auto}
.case-thumbs figure{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.case-thumbs img{width:100%;display:block;background:#e8eaf5}
.case-thumbs figcaption{
  padding:12px 18px;
  font-size:13.5px;color:var(--text-2);
  text-align:center;font-weight:500;
  border-top:1px solid var(--border);
}

/* ===================== 9. 总结 ===================== */
.summary-grid{margin-top:8px;gap:20px}
.summary-card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-dark);
  border-radius:var(--radius-lg);
  padding:36px 24px;
  text-align:center;
  transition:all .3s;
  border-bottom:3px solid transparent;
}
.summary-card:hover{
  transform:translateY(-4px);
  border-bottom-color:var(--accent);
  background:rgba(20,184,166,.05);
}
.summary-card h4{
  font-size:18px;font-weight:700;color:#fff;line-height:1.5;
}

/* ===================== 10. CTA ===================== */
.cta{
  position:relative;padding:120px 0;text-align:center;
  background:linear-gradient(135deg,#080a1e 0%,#1a1147 50%,#1e3a8a 100%);
  color:#fff;overflow:hidden;
}
.cta-bg{position:absolute;inset:0;z-index:0;opacity:.45}
.cta-bg img{width:100%;height:100%;object-fit:cover}
.cta-inner{position:relative;z-index:1}
.cta-title{
  font-size:42px;font-weight:900;line-height:1.3;
  letter-spacing:-0.02em;margin-bottom:20px;color:#fff;
}
.cta-sub{
  font-size:17px;color:var(--text-on-dark-2);
  max-width:660px;margin:0 auto 40px;line-height:1.85;
}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===================== 页脚 ===================== */
.footer{
  background:#040616;padding:36px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:14px;color:#fff}
.footer-name{font-weight:700;font-size:16px}
.footer-en{font-size:12px;color:var(--text-on-dark-3);margin-top:2px}
.footer-copy{color:var(--text-on-dark-3);font-size:13px}

/* ===================== 响应式 ===================== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-title{font-size:48px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .timeline::before{display:none}
  .feature-row,.split,.case-block{grid-template-columns:1fr;gap:36px}
  .fusion-layout{grid-template-columns:1fr;gap:24px}
  .feature-row-reverse .feature-figure{order:1}
  .feature-row-reverse .feature-text{order:2}
  .case-thumbs{grid-template-columns:1fr}
  .split-figure-carousel,.section-carousel,.case-main .media-carousel{padding:14px}
  .media-carousel-frame,
  .split-figure-carousel .media-carousel-frame,
  .section-carousel .media-carousel-frame,
  .case-carousel .media-carousel-frame{min-height:240px}
  .nav-links{display:none}
}
@media (max-width:640px){
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .hero{padding:120px 0 64px}
  .hero-title{font-size:36px}
  .grid-4,.grid-3,.grid-2,.timeline{grid-template-columns:1fr}
  .section-carousel-compact .media-slide img{width:100%}
  .feature-text h3,.split-text h3,.block-title-h3{font-size:22px}
  .case-text h3{font-size:22px}
  .cta-title{font-size:30px}
  .tab-nav{width:100%}
  .tab-btn{flex:1;text-align:center;font-size:13px;padding:11px 8px}
  .compare-table th,.compare-table td,
  .resource-table th,.resource-table td,
  .route-table th,.route-table td{padding:14px 12px;font-size:13px}
  .step-row{flex-direction:column;align-items:flex-start}
  .step-arrow{transform:rotate(90deg)}
}