/* =========================================================================
 * 安柏·反蒸馏AI实验室 — 官网设计系统 v3
 * 风格：明亮现代 SaaS · 浅色基底 + 蓝色主色 · 大字号 · 产品界面大图主导
 * 参考：cn.jollytoday.com 的清晰结构与清爽质感
 * 变更：板块标题简化、全站字号放大、图标改为 SVG 线条图标
 * ========================================================================= */

:root {
  /* 主色（明亮蓝，现代 SaaS 调性） */
  --brand: #2563eb;
  --brand-2: #1d4ed8;
  --brand-soft: #eef3ff;
  --brand-soft-2: #dbe6ff;
  --indigo: #6366f1;
  --cyan: #06b6d4;

  /* 中性 */
  --ink: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --bg-soft-2: #eef2f8;
  --border: #e6ebf2;
  --border-strong: #d3dbe6;

  /* 强调 */
  --green: #16a34a;
  --green-soft: #e7f6ed;
  --rose: #e11d48;
  --rose-soft: #fdeef1;
  --amber: #d97706;
  --amber-soft: #fef3e2;

  /* 阴影 / 圆角 */
  --shadow-xs: 0 1px 2px rgba(15,23,42,.04);
  --shadow-sm: 0 2px 8px rgba(15,23,42,.05);
  --shadow-md: 0 8px 28px rgba(15,23,42,.08);
  --shadow-lg: 0 18px 50px rgba(15,23,42,.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --maxw: 1180px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system,
         BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-size: 18px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 104px 0; }
.muted { color: var(--muted); }
.section-soft { background: var(--bg-soft); }

/* ---------- SVG 图标（统一线条风格，继承自容器 color） ---------- */
.ico svg, .ic svg, .channel .ic svg, .brand .logo svg {
  width: 26px; height: 26px; display: block;
}
.brand .logo svg { width: 22px; height: 22px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 30px; border-radius: 12px; font-weight: 600; font-size: 17px;
  cursor: pointer; border: 1.5px solid transparent; transition: all .2s ease;
  white-space: nowrap; line-height: 1;
}
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: 0 6px 18px rgba(37,99,235,.28); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(37,99,235,.36); }
.btn-outline { background: #fff; color: var(--brand); border-color: var(--brand-soft-2); }
.btn-outline:hover { border-color: var(--brand); background: var(--brand-soft); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.24); }
.btn-lg { padding: 18px 40px; font-size: 18px; border-radius: 14px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.9); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-logo { height: 38px; width: auto; display: block; flex: none; }
.brand-logo.logo-anti { height: 50px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--brand); font-size: 14px; font-weight: 600; transition: color .15s; white-space: nowrap; }
.nav-links a:hover { color: var(--brand-2); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(99,102,241,.16), transparent 60%),
    radial-gradient(700px 360px at 6% 8%, rgba(37,99,235,.10), transparent 55%),
    linear-gradient(180deg, #f9fbff 0%, #ffffff 100%);
  padding: 110px 0 96px;
}
.hero-grid { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero .badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand-soft); color: var(--brand-2);
  border: 1px solid var(--brand-soft-2);
  padding: 10px 20px; border-radius: 999px; font-size: 15px; font-weight: 700; margin-bottom: 28px;
}
.hero .badge.badge-lg { font-size: 15px; padding: 11px 22px; max-width: 620px; white-space: normal; line-height: 1.45; text-align: center; }
.hero h1 { font-size: clamp(24px, 5.6vw, 64px); line-height: 1.14; font-weight: 800; letter-spacing: 0.5px; color: var(--ink); max-width: 1180px; margin-left: auto; margin-right: auto; }
.hero h1 .hl { display: block; white-space: nowrap; }
.hero h1 .accent { color: var(--brand); }
.hero p.sub { font-size: 22px; color: var(--muted); margin: 32px auto 40px; max-width: 720px; line-height: 1.75; }
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }
.hero-stats { display: flex; gap: 56px; margin-top: 56px; justify-content: center; }
.hero-stats .num { font-size: 44px; font-weight: 800; color: var(--brand); line-height: 1; }
.hero-stats .lbl { font-size: 15px; color: var(--muted); margin-top: 10px; }

/* Hero 右侧：拟真产品界面 mockup（窗口 + 工具栏 + 文档 + 修订侧栏） */
.hero-shot {
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow-lg); overflow: hidden;
}
.hero-shot .bar {
  height: 46px; background: #f3f6fb; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 7px; padding: 0 14px;
}
.hero-shot .bar i { width: 11px; height: 11px; border-radius: 50%; background: #d4dbe6; display: inline-block; }
.hero-shot .bar .addr {
  margin-left: 12px; flex: 1; height: 26px; background: #fff; border: 1px solid var(--border);
  border-radius: 7px; font-size: 13px; color: var(--muted-2); display: flex; align-items: center; padding: 0 10px;
}
.hero-shot .body { display: grid; grid-template-columns: 1.5fr 1fr; min-height: 360px; }
.hero-shot .doc { padding: 20px 22px; border-right: 1px solid var(--border); }
.hero-shot .doc .dh { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 16px; display:flex; justify-content: space-between; }
.hero-shot .doc .dh span { color: var(--brand); font-weight: 600; font-size: 12px; }
.hero-shot .ln { height: 8px; border-radius: 4px; background: #eef2f8; margin: 9px 0; }
.hero-shot .ln.w95 { width: 95%; } .hero-shot .ln.w80 { width: 80%; } .hero-shot .ln.w65 { width: 65%; } .hero-shot .ln.w50 { width: 50%; }
.hero-shot .ins { background: var(--green-soft); border-left: 3px solid var(--green); padding: 9px 12px; border-radius: 6px; font-size: 13.5px; line-height:1.6; color: #15803d; margin: 11px 0; }
.hero-shot .del { background: var(--rose-soft); border-left: 3px solid var(--rose); padding: 9px 12px; border-radius: 6px; font-size: 13.5px; line-height:1.6; color: #be123c; margin: 11px 0; text-decoration: line-through; opacity: .8; }
.hero-shot .side { padding: 20px 18px; background: #fafbfe; }
.hero-shot .side .sh { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 14px; }
.hero-shot .note { background: #fff; border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; font-size: 12.5px; line-height:1.6; color: var(--muted); margin-bottom: 10px; }
.hero-shot .note b { color: var(--brand-2); }
.hero-shot .chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 11px; border-radius: 999px; font-size: 11.5px; font-weight: 700; margin: 0 6px 6px 0; }
.hero-shot .chip.r { background: var(--rose-soft); color: var(--rose); }
.hero-shot .chip.y { background: var(--amber-soft); color: var(--amber); }
.hero-shot .chip.g { background: var(--green-soft); color: var(--green); }

/* ---------- 通用区块头（标题简化、字号放大） ---------- */
.section-head { text-align: center; max-width: 820px; margin: 0 auto 58px; }
.section-head .eyebrow { color: var(--brand); font-weight: 700; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }
.section-head h2 { font-size: 44px; font-weight: 800; color: var(--ink); margin: 14px 0 16px; letter-spacing: -.5px; line-height: 1.25; }
.section-head p { color: var(--muted); font-size: 19px; line-height: 1.7; }

/* ---------- 一站式工作台（编号流程） ---------- */
.workflow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.wf-item {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 20px; position: relative; transition: all .2s ease;
}
.wf-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--brand-soft-2); }
.wf-item .no { font-size: 34px; font-weight: 800; color: var(--brand); opacity: .9; line-height: 1; }
.wf-item h4 { color: var(--ink); font-size: 20px; margin: 14px 0 8px; }
.wf-item p { color: var(--muted); font-size: 15px; line-height: 1.65; }
.wf-foot { text-align: center; margin-top: 40px; color: var(--muted); font-size: 17px; }
.wf-foot b { color: var(--ink); }

/* ---------- 平台优势（并列卖点） ---------- */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pillar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; transition: all .2s ease; }
.pillar:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.pillar .ico { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 16px; background: var(--brand-soft); color: var(--brand-2); }
.pillar h4 { color: var(--ink); font-size: 21px; margin-bottom: 9px; }
.pillar p { color: var(--muted); font-size: 16px; line-height: 1.65; }

/* ---------- 行业 / 客户场景卡 ---------- */
.scenes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scene { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; transition: all .2s ease; }
.scene:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.scene .ic { width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 14px; background: var(--brand-soft); color: var(--brand-2); }
.scene h4 { color: var(--ink); font-size: 20px; margin-bottom: 8px; }
.scene p { color: var(--muted); font-size: 16px; line-height: 1.65; }
.scene .metric { margin-top: 16px; font-size: 15px; font-weight: 700; color: var(--brand-2); }

/* ---------- 功能网格 ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 26px; transition: all .2s ease; display: flex; flex-direction: column;
}
.feat:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feat .ico {
  width: 54px; height: 54px; border-radius: 13px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-2); margin-bottom: 16px;
}
.feat h4 { color: var(--ink); font-size: 23px; margin-bottom: 9px; }
.feat p { color: var(--muted); font-size: 16.5px; line-height: 1.7; flex: 1; }
.feat .more { margin-top: 16px; color: var(--brand); font-weight: 600; font-size: 15px; }
.feat .more:hover { text-decoration: underline; }

/* ---------- 覆盖的合同类型（紧凑列表） ---------- */
.coverage-section { background: var(--bg-soft); padding: 56px 0; }
.coverage-head { margin-bottom: 22px; }
.coverage-head h2 { font-size: 28px; font-weight: 800; color: var(--ink); }
.coverage-sub { margin-top: 8px; font-size: 14px; color: var(--muted); }
.coverage-dense { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; }
.cov-cat { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; }
.cov-cat-name { font-size: 13.5px; font-weight: 800; color: var(--brand-2); margin-bottom: 6px; }
.cov-cat-items { font-size: 12.5px; line-height: 1.75; color: var(--muted); }
.cov-cat-items .sep { color: #c9d3e0; margin: 0 1px; }

/* ---------- SkillHub 安装步骤 ---------- */
.install-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.step-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 22px; position: relative;
}
.step-card .step-no {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 16px;
  margin-bottom: 14px;
}
.step-card h4 { color: var(--ink); font-size: 18px; margin-bottom: 10px; font-weight: 700; }
.step-card p { color: var(--muted); font-size: 15px; line-height: 1.7; margin: 8px 0; }
.step-card pre {
  margin: 10px 0; padding: 14px 16px;
  background: #0f172a; color: #e2e8f0;
  border-radius: 8px; overflow-x: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px; line-height: 1.65;
}
.step-card pre code { background: transparent; color: inherit; padding: 0; }
.step-card .step-note { color: var(--brand-2); font-size: 14px; font-weight: 600; margin-top: 12px; }
.howto-footer { text-align: center; margin-top: 28px; color: var(--muted); font-size: 15px; }
.howto-footer a { color: var(--brand); font-weight: 600; }
@media (max-width: 880px) { .install-steps { grid-template-columns: 1fr; } }
.coverage-foot { margin-top: 18px; font-size: 13px; color: var(--muted); }
.deep-tag { display: inline-block; font-size: 10px; font-weight: 700; color: var(--brand-2); background: var(--brand-soft); padding: 2px 7px; border-radius: 999px; margin-right: 6px; }

.coverage { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.coverage-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; transition: all .2s ease;
}
.coverage-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--brand-soft-2); }
.coverage-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.coverage-card h4 { color: var(--ink); font-size: 20px; font-weight: 700; line-height: 1.35; }
.coverage-card p { color: var(--muted); font-size: 15.5px; line-height: 1.65; }
.coverage-badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--bg-soft-2); color: var(--muted); font-size: 12px; font-weight: 700; white-space: nowrap; }
.coverage-badge.deep { background: var(--brand-soft); color: var(--brand-2); }

/* ---------- 效果交付（真·产品界面大图） ---------- */
.effect-real { margin-bottom: 34px; }
.effect-label { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.effect-label span { font-size: 17px; font-weight: 700; color: var(--ink); }
.effect-label .effect-tag { font-size: 13px; font-weight: 600; color: var(--brand-2); background: var(--brand-soft); padding: 5px 12px; border-radius: 999px; }
.effect-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; align-items: start; }
.effect-gallery figure {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-md); transition: all .2s ease;
}
.effect-gallery figure:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.effect-gallery figure .shot-bar {
  height: 36px; background: #f3f6fb; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px; padding: 0 14px;
}
.effect-gallery figure .shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d4dbe6; }
.effect-gallery figure .shot-bar span { font-size: 12px; color: var(--muted); font-weight: 500; margin-left: 6px; }
.effect-gallery img { width: 100%; display: block; }
.effect-caption { color: var(--muted); font-size: 15px; margin-top: 20px; line-height: 1.65; }
.effect-shot {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); overflow: hidden; margin-bottom: 34px;
}
.effect-shot .bar { height: 48px; background: #f3f6fb; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 14px; padding: 0 18px; }
.effect-shot .bar .t { font-weight: 700; color: var(--ink); font-size: 16px; }
.effect-shot .bar .seg { display: flex; gap: 6px; }
.effect-shot .bar .seg span { font-size: 13.5px; color: var(--muted); padding: 5px 12px; border-radius: 8px; }
.effect-shot .bar .seg span.on { background: var(--brand-soft); color: var(--brand-2); font-weight: 600; }
.effect-shot .grid { display: grid; grid-template-columns: 1.6fr 1fr; min-height: 380px; }
.effect-shot .doc { padding: 24px 26px; border-right: 1px solid var(--border); }
.effect-shot .doc h5 { color: var(--ink); font-size: 15px; margin-bottom: 16px; }
.effect-shot .ln { height: 9px; border-radius: 4px; background: #eef2f8; margin: 10px 0; }
.effect-shot .ln.w95 { width: 95%; } .effect-shot .ln.w80 { width: 80%; } .effect-shot .ln.w65 { width: 65%; } .effect-shot .ln.w50 { width: 50%; } .effect-shot .ln.w40 { width: 40%; }
.effect-shot .ins { background: var(--green-soft); border-left: 3px solid var(--green); padding: 10px 13px; border-radius: 6px; font-size: 13.5px; line-height:1.6; color: #15803d; margin: 12px 0; }
.effect-shot .del { background: var(--rose-soft); border-left: 3px solid var(--rose); padding: 10px 13px; border-radius: 6px; font-size: 13.5px; line-height:1.6; color: #be123c; margin: 12px 0; text-decoration: line-through; opacity: .8; }
.effect-shot .side { padding: 24px 22px; background: #fafbfe; }
.effect-shot .side h5 { color: var(--ink); font-size: 15px; margin-bottom: 16px; }
.effect-shot .row { display: flex; align-items: center; justify-content: space-between; padding: 12px 14px; background: #fff; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; font-size: 14px; }
.effect-shot .row .lv { font-size: 11.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; }
.effect-shot .row .lv.h { background: var(--rose-soft); color: var(--rose); }
.effect-shot .row .lv.m { background: var(--amber-soft); color: var(--amber); }
.effect-shot .row .lv.l { background: var(--green-soft); color: var(--green); }

/* 四件套小卡 */
.deliver-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.deliver { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; transition: all .2s ease; }
.deliver:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.deliver .ico { width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; background: var(--brand-soft); color: var(--brand-2); }
.deliver h4 { color: var(--ink); font-size: 19px; margin-bottom: 8px; }
.deliver p { color: var(--muted); font-size: 15px; line-height: 1.6; }

/* ---------- 如何使用（SkillPay 安装） ---------- */
.howto-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 40px; max-width: 940px; margin: 0 auto; box-shadow: var(--shadow-sm); }
.howto-steps { font-size: 17px; color: var(--text); line-height: 1.85; margin-bottom: 24px; }
.howto-steps a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.code-block { background: #0f172a; border-radius: var(--radius-sm); overflow: hidden; }
.code-block .code-bar { height: 36px; background: #1e293b; border-bottom: 1px solid #334155; display: flex; align-items: center; gap: 6px; padding: 0 16px; }
.code-block .code-bar i { width: 10px; height: 10px; border-radius: 50%; background: #475569; }
.code-block .code-bar span { font-size: 12px; color: #94a3b8; margin-left: 8px; letter-spacing: .5px; }
.code-block pre { margin: 0; padding: 22px 24px; overflow-x: auto; }
.code-block code { font-family: "SF Mono", ui-monospace, Menlo, Consolas, "Courier New", monospace; font-size: 15px; color: #e2e8f0; line-height: 1.7; white-space: pre; }
.howto-note { margin-top: 22px; font-size: 15px; color: var(--muted); line-height: 1.7; }
.howto-note b { color: var(--ink); }

/* ---------- 安全 ---------- */
.security { background: linear-gradient(135deg, #0f172a, #1e293b); color: #fff; border-radius: var(--radius-lg); padding: 64px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 52px; align-items: center; }
.security h2 { font-size: 40px; font-weight: 800; margin-bottom: 18px; line-height: 1.25; }
.security p { color: rgba(255,255,255,.78); font-size: 18px; line-height: 1.7; }
.security .sec-list { list-style: none; margin-top: 24px; }
.security .sec-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; color: rgba(255,255,255,.92); font-size: 17px; line-height: 1.6; }
.security .sec-list .ck { color: #60a5fa; font-weight: 800; flex: none; }
.security .stat-big { font-size: 64px; font-weight: 800; color: #60a5fa; line-height: 1; }
.security .stat-cap { color: rgba(255,255,255,.78); font-size: 17px; margin-top: 12px; }
.security-gallery { grid-column: 1 / -1; margin-top: 12px; }
.security-gallery h3 { text-align: center; color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 26px; opacity: .95; }
.sec-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.sec-gallery figure { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.sec-gallery img { width: 100%; display: block; }
.sec-gallery figcaption { text-align: center; padding: 14px; font-size: 14px; color: var(--muted); background: var(--bg-soft); border-top: 1px solid var(--border); }

/* ---------- 价格 ---------- */
.pricing { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; align-items: stretch; }
.plan {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 22px; display: flex; flex-direction: column; position: relative; transition: all .2s ease;
}
.plan:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.plan.hot { border-color: var(--brand); box-shadow: 0 0 0 2px var(--brand-soft-2), var(--shadow-md); }
.plan .ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.plan .pname { color: var(--ink); font-size: 20px; font-weight: 700; text-align: center; }
.plan .price { text-align: center; margin: 16px 0 4px; }
.plan .price .cur { font-size: 17px; font-weight: 700; color: var(--ink); vertical-align: super; }
.plan .price .amt { font-size: 46px; font-weight: 800; color: var(--ink); }
.plan .price .free { font-size: 34px; font-weight: 800; color: var(--green); }
.plan .quota { text-align: center; color: var(--muted); font-size: 15px; }
.plan .note { text-align: center; color: var(--muted); font-size: 14px; margin: 14px 0 20px; min-height: 40px; line-height: 1.55; }
.plan .btn { width: 100%; justify-content: center; margin-top: auto; }

/* ---------- 证言 ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all .2s ease; }
.quote:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.quote p { color: var(--text); font-size: 17px; line-height: 1.7; }
.quote .who { margin-top: 18px; color: var(--muted); font-size: 15px; font-weight: 600; }

/* ---------- 结语 CTA ---------- */
.final-cta { text-align: center; background: linear-gradient(135deg, var(--brand), var(--indigo)); color: #fff; border-radius: var(--radius-lg); padding: 72px 32px; }
.final-cta h2 { font-size: 42px; font-weight: 800; margin-bottom: 16px; line-height: 1.25; }
.final-cta p { color: rgba(255,255,255,.88); font-size: 19px; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.final-cta .hero-cta { justify-content: center; }
.final-cta .btn-ghost { background: rgba(255,255,255,.16); color: #fff; border-color: rgba(255,255,255,.45); }
.final-cta .btn-ghost:hover { background: rgba(255,255,255,.28); }

/* ---------- 页脚 ---------- */
.footer { background: #0f172a; color: rgba(255,255,255,.72); padding: 62px 0 38px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 32px; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer a { display: block; color: rgba(255,255,255,.62); font-size: 15px; margin-bottom: 11px; }
.footer a:hover { color: #60a5fa; }
.footer .desc { font-size: 15px; line-height: 1.7; max-width: 330px; color: rgba(255,255,255,.6); }
.footer .copy { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 24px; font-size: 13.5px; color: rgba(255,255,255,.42); }

/* ====================== 联系页 ====================== */
.contact-hero { background: linear-gradient(135deg, var(--brand), var(--indigo)); color: #fff; padding: 80px 0 68px; }
.contact-hero h1 { font-size: 48px; font-weight: 800; line-height: 1.2; }
.contact-hero p { color: rgba(255,255,255,.88); font-size: 19px; margin-top: 16px; max-width: 660px; line-height: 1.7; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: -38px; }
.contact-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-md); }
.contact-card h3 { color: var(--ink); font-size: 22px; margin-bottom: 8px; }
.contact-card .csub { color: var(--muted); font-size: 16px; margin-bottom: 22px; }
.channel { display: flex; gap: 14px; align-items: center; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; transition: all .2s; }
.channel:hover { border-color: var(--brand-soft-2); background: var(--brand-soft); }
.channel .ic { width: 48px; height: 48px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand-2); flex: none; }
.channel .ct b { color: var(--ink); display: block; font-size: 16px; }
.channel .ct span { color: var(--muted); font-size: 14px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 15px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field textarea { width: 100%; padding: 13px 15px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 16px; font-family: var(--font); color: var(--text); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand); }
.field textarea { min-height: 130px; resize: vertical; }
.qr-box { text-align: center; margin-top: 18px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; }
.qr-box img { max-width: 180px; margin: 0 auto 12px; border-radius: 10px; }
.qr-box p { font-size: 14px; color: var(--muted); }
.coop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.coop-guide { max-width: 760px; margin: 48px auto 0; text-align: center; padding: 32px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.coop-guide h3 { font-size: 24px; color: var(--ink); margin-bottom: 10px; }
.coop-guide p { font-size: 16px; color: var(--muted); line-height: 1.7; }

/* ---------- 与其他法律 AI 的区别（左右对比） ---------- */
.vs-row { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: stretch; gap: 0; margin-bottom: 18px; }
.vs-others, .vs-ours { padding: 24px 26px; border-radius: var(--radius-sm); font-size: 17px; line-height: 1.7; }
.vs-others { background: var(--bg-soft-2); border: 1px solid var(--border); color: var(--muted); }
.vs-ours { background: var(--brand-soft); border: 1px solid var(--brand-soft-2); color: var(--brand-2); font-weight: 600; }
.vs-others .tag, .vs-ours .tag { font-size: 13px; font-weight: 700; display: block; margin-bottom: 10px; letter-spacing: .5px; }
.vs-others .tag { color: var(--muted-2); }
.vs-ours .tag { color: var(--brand); }
.vs-mid { display: grid; place-items: center; color: var(--brand); font-size: 18px; font-weight: 800; }

/* ====================== 商店 / 控制台（备案期暂不挂出） ====================== */
.store-hero { background: linear-gradient(135deg, var(--brand), var(--indigo)); color: #fff; padding: 80px 0 70px; }
.store-hero h1 { font-size: 40px; font-weight: 800; }
.store-hero p { color: rgba(255,255,255,.85); font-size: 19px; margin-top: 14px; }
.console { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: start; margin-top: -38px; }
.sidebar { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-md); position: sticky; top: 88px; }
.sidebar .user { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.sidebar .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-2); display: grid; place-items: center; font-weight: 800; font-size: 18px; }
.sidebar .uname { font-weight: 700; color: var(--ink); }
.sidebar .umeta { font-size: 13.5px; color: var(--muted); }
.sidebar .menu { list-style: none; }
.sidebar .menu li { padding: 11px 12px; border-radius: 9px; color: var(--muted); font-size: 15px; cursor: pointer; }
.sidebar .menu li.active, .sidebar .menu li:hover { background: var(--bg-soft); color: var(--ink); font-weight: 600; }
.main-panel { display: flex; flex-direction: column; gap: 24px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.card h3 { color: var(--ink); font-size: 21px; margin-bottom: 6px; }
.card .csub { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.usage-bar { height: 10px; background: var(--bg-soft-2); border-radius: 999px; overflow: hidden; margin: 10px 0 6px; }
.usage-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--indigo)); border-radius: 999px; }
.usage-meta { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); }
.download-box { display: flex; align-items: center; gap: 16px; background: var(--bg-soft); border: 1px dashed var(--border); border-radius: var(--radius-sm); padding: 18px 20px; }
.download-box .dt { flex: 1; }
.download-box .dt b { color: var(--ink); display: block; font-size: 16px; }
.download-box .dt span { color: var(--muted); font-size: 14px; }
.store-packages { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }

/* ---------- 登录弹窗（微信扫码 stub） ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(15,23,42,.55); backdrop-filter: blur(3px); display: none; place-items: center; z-index: 100; }
.modal-mask.show { display: grid; }
.modal { background: #fff; border-radius: 20px; padding: 36px; width: 380px; max-width: 92vw; text-align: center; box-shadow: var(--shadow-lg); position: relative; }
.modal h3 { color: var(--ink); font-size: 23px; margin-bottom: 6px; }
.modal .msub { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
.qr { width: 200px; height: 200px; margin: 0 auto 14px; border: 1px solid var(--border); border-radius: 14px; display: grid; place-items: center; background: repeating-conic-gradient(#0f172a 0% 25%, #fff 0% 50%) 0 0 / 22px 22px; position: relative; }
.qr .qr-logo { position: absolute; width: 44px; height: 44px; background: #fff; border-radius: 10px; display: grid; place-items: center; font-size: 22px; }
.modal .scan-tip { font-size: 14.5px; color: var(--muted); }
.modal .scan-tip b { color: var(--ink); }
.phone-step { display: none; }
.modal.phone .qr-step { display: none; }
.modal.phone .phone-step { display: block; }
.modal input { width: 100%; padding: 14px 15px; border: 1.5px solid var(--border); border-radius: 10px; font-size: 16px; margin-bottom: 12px; font-family: var(--font); }
.modal input:focus { outline: none; border-color: var(--brand); }
.modal .btn { width: 100%; justify-content: center; }
.modal .close { position: absolute; top: 14px; right: 16px; color: var(--muted); cursor: pointer; font-size: 22px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero h1 { font-size: 34px; }
  .hero p.sub { font-size: 19px; }
  .section-head h2 { font-size: 34px; }
  .coverage-head { flex-direction: column; align-items: flex-start; }
  .coverage-sub { text-align: left; }
  .coverage-dense { grid-template-columns: 1fr; }
  .coop-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .coverage { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .scenes { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: repeat(2, 1fr); }
  .deliver-grid { grid-template-columns: repeat(2, 1fr); }
  .quotes { grid-template-columns: 1fr; }
  .security { grid-template-columns: 1fr; padding: 40px; }
  .sec-gallery { grid-template-columns: 1fr; }
  .console { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  section { padding: 64px 0; }
  .hero h1 { font-size: 22px; }
  .brand-logo { height: 32px; }
  .brand-logo.logo-anti { height: 42px; }
  .section-head h2 { font-size: 28px; }
  .nav-links { display: none; }
  .workflow, .pillars, .features, .scenes, .pricing, .deliver-grid, .coop-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 22px; }
  .effect-shot .grid { grid-template-columns: 1fr; }
  .effect-shot .doc { border-right: none; border-bottom: 1px solid var(--border); }
}

/* ============ SEO / GEO 隐藏静态内容块 ============ */
/* 视觉隐藏但保留在 DOM 与渲染树中，对用户不可见，供搜索引擎与 AI 引擎抓取。
   不使用 display:none / visibility:hidden，避免被爬虫忽略。 */
.seo-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ============ 页脚备案号占位槽 ============ */
.footer .beian { margin-top: 14px; font-size: 13.5px; color: rgba(255,255,255,.5); display: flex; flex-wrap: wrap; gap: 18px; }
.footer .beian a { display: inline; color: rgba(255,255,255,.55); margin-bottom: 0; }
.footer .beian a:hover { color: #60a5fa; }
.footer .site-name { margin-top: 14px; text-align: center; font-size: 15px; font-weight: 600; color: rgba(255,255,255,.85); letter-spacing: .5px; }

/* ============ 法务部 AI 系统专用样式 ============ */

/* AI Native 四大差异化特性高亮条（Hero 区下方） */
.ainative-bar {
  background: linear-gradient(135deg, #0a1f3d 0%, #1d4a7a 100%);
  padding: 38px 24px;
  color: #fff;
}
.ainative-bar .container { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.ainative-bar .feature-tag { display: flex; align-items: center; gap: 14px; }
.ainative-bar .feature-tag .ico { width: 50px; height: 50px; flex-shrink: 0; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-radius: 12px; display: grid; place-items: center; color: #9cc0ff; }
.ainative-bar .feature-tag .ico svg { width: 26px; height: 26px; }
.ainative-bar .feature-tag b { display: block; color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.ainative-bar .feature-tag span { color: #cdddf2; font-size: 13.5px; line-height: 1.5; }
@media (max-width: 880px) { .ainative-bar .container { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .ainative-bar .container { grid-template-columns: 1fr; } }

/* 三大模块卡片 */
.modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.module-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 30px; transition: all .25s ease; position: relative; overflow: hidden;
}
.module-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--brand-soft-2); }
.module-card .module-num {
  position: absolute; top: 18px; right: 26px;
  font-size: 72px; font-weight: 800; color: var(--brand-soft); line-height: 1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI";
}
.module-card .ico {
  width: 64px; height: 64px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(37,99,235,.25);
}
.module-card .ico svg { width: 30px; height: 30px; }
.module-card h4 { color: var(--ink); font-size: 25px; font-weight: 700; margin-bottom: 8px; }
.module-card .module-sub { color: var(--muted); font-size: 15px; margin-bottom: 20px; line-height: 1.6; }
.module-card ul { list-style: none; padding: 0; }
.module-card ul li { color: var(--text); font-size: 15px; padding: 7px 0 7px 22px; position: relative; line-height: 1.6; }
.module-card ul li::before {
  content: "✓"; position: absolute; left: 0; top: 7px; color: var(--brand); font-weight: 800;
}
@media (max-width: 980px) { .modules { grid-template-columns: 1fr; } }

/* 对比表 */
.compare-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  font-size: 16px;
}
.compare-table thead th { background: linear-gradient(135deg, #0a1f3d, #1d4a7a); color: #fff; font-weight: 700; padding: 20px 22px; text-align: left; font-size: 16px; }
.compare-table thead th:first-child { width: 22%; }
.compare-table thead th:nth-child(2) { width: 39%; background: linear-gradient(135deg, #475569, #64748b); }
.compare-table thead th:last-child { width: 39%; }
.compare-table tbody td { padding: 20px 22px; border-bottom: 1px solid var(--border); vertical-align: top; line-height: 1.6; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody td:first-child { font-weight: 700; color: var(--ink); background: #f7f9fc; white-space: nowrap; }
.compare-table tbody td:nth-child(2) { color: var(--muted); }
.compare-table tbody td:nth-child(3) { background: #f0f7ff; color: var(--text); font-weight: 600; position: relative; }
.compare-table tbody td:nth-child(3)::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--brand);
}
.compare-table tbody tr:hover td { background: #eef5ff; }
.compare-table tbody tr:hover td:nth-child(2) { background: #fafbfe; }

/* 支持平台卡片 */
.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.platform {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px 22px; text-align: center; transition: all .2s ease;
}
.platform:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--brand-soft-2); }
.platform .ico {
  width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand-2); margin: 0 auto 16px;
}
.platform .ico svg { width: 30px; height: 30px; }
.platform h4 { color: var(--ink); font-size: 19px; margin-bottom: 6px; font-weight: 700; }
.platform p { color: var(--muted); font-size: 14.5px; line-height: 1.6; }
@media (max-width: 880px) { .platforms { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .platforms { grid-template-columns: 1fr; } }

/* 落地流程 */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flow-step {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 24px; position: relative;
}
.flow-step .step-no {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 19px;
  margin-bottom: 16px; box-shadow: 0 4px 12px rgba(37,99,237,.28);
}
.flow-step h4 { color: var(--ink); font-size: 21px; margin-bottom: 6px; font-weight: 700; }
.flow-step .step-sub { color: var(--brand); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.flow-step ul { list-style: none; padding: 0; }
.flow-step ul li { color: var(--text); font-size: 14.5px; padding: 5px 0 5px 16px; position: relative; line-height: 1.65; }
.flow-step ul li::before { content: "·"; position: absolute; left: 4px; color: var(--brand); font-weight: 800; font-size: 18px; line-height: 1; }
@media (max-width: 980px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .flow { grid-template-columns: 1fr; } }

/* 截图展示（产品界面 mockup） */
.shot-frame {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-md); overflow: hidden;
}
.shot-frame .shot-bar {
  height: 46px; background: #f3f6fb; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 7px; padding: 0 14px;
}
.shot-frame .shot-bar i { width: 11px; height: 11px; border-radius: 50%; background: #d4dbe6; display: inline-block; }
.shot-frame .shot-bar span { margin-left: 14px; flex: 1; font-size: 13px; color: var(--muted); }
.shot-frame .shot-body { padding: 36px; min-height: 320px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
@media (max-width: 720px) { .shot-frame .shot-body { grid-template-columns: 1fr; } }
.shot-frame .doc-side { padding: 20px 22px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.shot-frame .doc-side h5 { color: var(--ink); font-size: 14px; margin-bottom: 14px; font-weight: 700; }
.shot-frame .doc-side .ln { height: 9px; border-radius: 4px; background: #eef2f8; margin: 10px 0; }
.shot-frame .doc-side .ln.w95 { width: 95%; }
.shot-frame .doc-side .ln.w80 { width: 80%; }
.shot-frame .doc-side .ln.w65 { width: 65%; }
.shot-frame .doc-side .ins {
  background: var(--green-soft); border-left: 3px solid var(--green); padding: 10px 12px;
  border-radius: 6px; font-size: 13px; line-height: 1.6; color: #15803d; margin: 12px 0;
}
.shot-frame .doc-side .del {
  background: var(--rose-soft); border-left: 3px solid var(--rose); padding: 10px 12px;
  border-radius: 6px; font-size: 13px; line-height: 1.6; color: #be123c; margin: 12px 0; text-decoration: line-through; opacity: .8;
}
.shot-frame .panel-list { padding: 20px; border: 1px solid var(--border); border-radius: 12px; background: #fafbfe; }
.shot-frame .panel-list h5 { color: var(--ink); font-size: 14px; margin-bottom: 14px; font-weight: 700; }
.shot-frame .panel-list .item {
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; margin-bottom: 8px; font-size: 12.5px; line-height: 1.55; color: var(--muted);
}
.shot-frame .panel-list .item b { color: var(--brand-2); }
.shot-frame .panel-list .chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700; margin: 4px 4px 0 0;
}
.shot-frame .panel-list .chip.r { background: var(--rose-soft); color: var(--rose); }
.shot-frame .panel-list .chip.y { background: var(--amber-soft); color: var(--amber); }
.shot-frame .panel-list .chip.g { background: var(--green-soft); color: var(--green); }
.shot-caption { color: var(--muted); font-size: 15px; margin-top: 18px; line-height: 1.65; text-align: center; }

/* 联系卡片 */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: center; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow-sm);
}
.contact-card h3 { color: var(--ink); font-size: 24px; margin-bottom: 14px; }
.contact-card p { color: var(--muted); font-size: 16px; margin-bottom: 18px; line-height: 1.7; }
.contact-card ul { list-style: none; padding: 0; }
.contact-card ul li { color: var(--text); font-size: 16px; padding: 6px 0 6px 24px; position: relative; line-height: 1.6; }
.contact-card ul li::before {
  content: "✓"; position: absolute; left: 0; top: 6px; color: var(--brand); font-weight: 800;
}
.qr-card {
  background: linear-gradient(135deg, var(--brand-soft), #fff); border: 1px solid var(--brand-soft-2);
  border-radius: var(--radius); padding: 32px; text-align: center;
}
.qr-card img { width: 220px; height: 220px; margin: 0 auto 18px; display: block; border-radius: 12px; border: 4px solid #fff; box-shadow: var(--shadow-md); }
.qr-card .qr-title { color: var(--ink); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.qr-card .qr-sub { color: var(--muted); font-size: 14.5px; line-height: 1.5; }
.qr-card .wx-id {
  display: inline-block; margin-top: 16px; padding: 8px 16px; background: var(--brand);
  color: #fff; border-radius: 8px; font-weight: 600; font-size: 14.5px;
}

/* 安全深色块（AI Native 本地优先） */
.security-deep {
  background: linear-gradient(135deg, #0a1f3d 0%, #1d4a7a 100%);
  color: #fff; border-radius: var(--radius-lg); padding: 64px;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 52px; align-items: center;
}
.security-deep h2 { font-size: 38px; font-weight: 800; margin-bottom: 18px; line-height: 1.25; color: #fff; }
.security-deep h2 .accent { color: #60a5fa; }
.security-deep p { color: rgba(255,255,255,.85); font-size: 18px; line-height: 1.7; margin-bottom: 24px; }
.security-deep .sec-list { list-style: none; margin-top: 16px; }
.security-deep .sec-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 14px; color: rgba(255,255,255,.92); font-size: 17px; line-height: 1.6; }
.security-deep .sec-list .ck { color: #60a5fa; font-weight: 800; flex: none; font-size: 19px; }
.security-deep .stat-big { font-size: 88px; font-weight: 800; color: #60a5fa; line-height: 1; }
.security-deep .stat-cap { color: rgba(255,255,255,.85); font-size: 17px; margin-top: 14px; line-height: 1.6; }
@media (max-width: 880px) { .security-deep { grid-template-columns: 1fr; padding: 40px; } }

/* ============ 三大核心差异化卡片（醒目前置） ============ */
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.diff-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px 30px 32px; position: relative; transition: all .25s ease;
  border-top: 4px solid var(--brand);
  box-shadow: 0 4px 20px rgba(37,99,235,.08);
}
.diff-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(37,99,235,.16); }
.diff-card .diff-no {
  position: absolute; top: 18px; right: 26px;
  font-size: 56px; font-weight: 800; color: var(--brand-soft); line-height: 1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI";
}
.diff-card .diff-icon {
  width: 64px; height: 64px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(37,99,235,.28);
}
.diff-card .diff-icon svg { width: 30px; height: 30px; }
.diff-card h3 { color: var(--ink); font-size: 24px; font-weight: 800; margin-bottom: 8px; line-height: 1.35; }
.diff-card .diff-tagline { color: var(--brand-2); font-size: 14.5px; font-weight: 600; margin-bottom: 14px; }
.diff-card p { color: var(--text); font-size: 15.5px; line-height: 1.75; }
.diff-card b { color: var(--ink); font-weight: 700; }
.diff-footer {
  margin-top: 36px; padding: 22px 28px; background: linear-gradient(90deg, var(--brand-soft), #fff);
  border-left: 4px solid var(--brand); border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 16px; color: var(--text); line-height: 1.75;
}
.diff-footer b { color: var(--ink); }
@media (max-width: 980px) { .diff-grid { grid-template-columns: 1fr; } }

/* ============ harness 客户端使用效果图 ============ */
.harness-demo { max-width: 920px; margin: 0 auto; }
.harness-window {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(15,23,42,.12); overflow: hidden;
}
.hw-bar {
  height: 48px; background: #1e293b; border-bottom: 1px solid #334155;
  display: flex; align-items: center; gap: 8px; padding: 0 18px;
}
.hw-bar i { width: 12px; height: 12px; border-radius: 50%; background: #475569; }
.hw-bar i:nth-child(1) { background: #ef4444; }
.hw-bar i:nth-child(2) { background: #f59e0b; }
.hw-bar i:nth-child(3) { background: #22c55e; }
.hw-title { margin-left: 14px; font-size: 14px; font-weight: 700; color: #e2e8f0; letter-spacing: .3px; }
.hw-body { padding: 24px 28px; background: linear-gradient(180deg, #fafbfe 0%, #ffffff 100%); max-height: 620px; overflow-y: auto; }
.hw-msg { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.hw-msg-user { flex-direction: row-reverse; }
.hw-avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 14px; flex-shrink: 0; }
.hw-avatar-user { background: var(--brand); color: #fff; }
.hw-avatar-ai { background: linear-gradient(135deg, #0a1f3d, #2f6fed); color: #fff; }
.hw-bubble {
  max-width: 78%; background: #fff; border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 18px; font-size: 14.5px; line-height: 1.65; color: var(--text); box-shadow: 0 2px 8px rgba(15,23,42,.04);
}
.hw-msg-user .hw-bubble { background: var(--brand); color: #fff; border-color: var(--brand); }
.hw-msg-user .hw-bubble .hw-attach { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.3); color: #fff; }
.hw-attach {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; padding: 6px 12px;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; color: var(--muted);
}
.hw-thinking {
  display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13.5px;
  font-style: italic; margin-bottom: 12px;
}
.hw-pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
  animation: hw-pulse-anim 1.5s ease-in-out infinite;
}
@keyframes hw-pulse-anim {
  0%, 100% { opacity: .4; transform: scale(.9); }
  50% { opacity: 1; transform: scale(1.2); }
}
.hw-result {
  padding: 10px 14px; background: var(--brand-soft); border-left: 3px solid var(--brand);
  border-radius: 6px; margin-bottom: 14px; font-size: 14px;
}
.hw-result b { color: var(--brand-2); }
.hw-list { margin-bottom: 14px; }
.hw-item { padding: 10px 12px; border-radius: 8px; margin-bottom: 8px; font-size: 13.5px; line-height: 1.6; }
.hw-item b { color: var(--ink); font-weight: 700; }
.hw-item-r { background: #fef3f2; border-left: 3px solid var(--rose); }
.hw-item-y { background: #fff7ed; border-left: 3px solid var(--amber); }
.hw-item-g { background: #f0fdf4; border-left: 3px solid var(--green); }
.hw-tag { display: inline-block; font-size: 11px; font-weight: 800; padding: 2px 8px; border-radius: 4px; margin-right: 8px; }
.hw-tag-r { background: var(--rose); color: #fff; }
.hw-tag-y { background: var(--amber); color: #fff; }
.hw-tag-g { background: var(--green); color: #fff; }
.hw-item div { display: inline; }
.hw-action { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.hw-btn {
  display: inline-flex; align-items: center; gap: 5px; padding: 7px 14px;
  background: #fff; border: 1.5px solid var(--brand); color: var(--brand);
  border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.hw-btn:hover { background: var(--brand-soft); }
.hw-done {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: var(--green-soft); color: var(--green); border-radius: 6px;
  font-size: 13.5px; font-weight: 700; margin-bottom: 8px;
}
.hw-quick { color: var(--muted); font-size: 13.5px; line-height: 1.65; }

/* harness 特性标签 */
.harness-features {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px;
}
.hf-tag {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; text-align: center; transition: all .2s;
}
.hf-tag:hover { border-color: var(--brand); box-shadow: 0 4px 14px rgba(37,99,235,.12); }
.hf-tag b { display: block; color: var(--ink); font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.hf-tag span { color: var(--muted); font-size: 13px; line-height: 1.5; }
@media (max-width: 880px) { .harness-features { grid-template-columns: repeat(2, 1fr); } }

/* ============ 1 小时迭代 + 大模型适配 ============ */
.evolution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.evo-card {
  background: linear-gradient(135deg, #0a1f3d, #1d4a7a); color: #fff;
  border-radius: var(--radius); padding: 28px 24px; text-align: center;
  transition: transform .25s;
}
.evo-card:hover { transform: translateY(-4px); }
.evo-time { font-size: 32px; font-weight: 800; color: #9cc0ff; margin-bottom: 8px; line-height: 1.1; }
.evo-title { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.evo-desc { font-size: 13.5px; color: rgba(255,255,255,.78); line-height: 1.55; }
@media (max-width: 880px) { .evolution-grid { grid-template-columns: repeat(2, 1fr); } }

.evo-flow {
  display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1fr; align-items: stretch; gap: 12px;
  margin-top: 36px; padding: 28px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
}
.evo-step { text-align: center; padding: 16px 14px; background: var(--bg-soft); border-radius: 10px; }
.evo-step-no {
  width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 15px;
  margin: 0 auto 10px;
}
.evo-step b { display: block; color: var(--ink); font-size: 16px; margin-bottom: 6px; font-weight: 700; }
.evo-step span { color: var(--muted); font-size: 13px; line-height: 1.5; }
.evo-arrow { display: grid; place-items: center; color: var(--brand); font-size: 24px; font-weight: 700; }
@media (max-width: 980px) {
  .evo-flow { grid-template-columns: 1fr; }
  .evo-arrow { transform: rotate(90deg); }
}

.evo-models {
  margin-top: 32px; padding: 28px; background: linear-gradient(135deg, var(--bg-soft), #fff);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.evo-models-title { color: var(--ink); font-size: 17px; font-weight: 700; margin-bottom: 16px; text-align: center; }
.evo-models-grid { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.emo-chip {
  display: inline-block; padding: 8px 16px; background: #fff; border: 1.5px solid var(--brand-soft-2);
  border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--brand-2);
  transition: all .2s;
}
.emo-chip:hover { background: var(--brand); color: #fff; border-color: var(--brand); }

/* ============ 真实原图展示区 ============ */
.shots-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.shot-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: all .25s;
}
.shot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.shot-card .shot-card-img { width: 100%; display: block; border-bottom: 1px solid var(--border); }
.shot-card .shot-card-caption {
  padding: 16px 20px; background: #fff; font-size: 14.5px; color: var(--ink);
  line-height: 1.55; font-weight: 500;
}
.shot-card .shot-card-title { color: var(--brand-2); font-size: 13px; font-weight: 700; margin-bottom: 6px; letter-spacing: .5px; }
@media (max-width: 880px) { .shots-grid { grid-template-columns: 1fr; } }

/* 大图单独展示 */
.shot-card-wide { grid-column: 1 / -1; }
.shot-card-wide .shot-card-img { max-height: 460px; object-fit: contain; background: #f7f9fc; }


/* ============ 第六版：Hero 通俗注解 + 高灵敏度条 ============ */
.hero-note {
  margin: -14px auto 0; max-width: 760px; text-align: center;
  font-size: 16px; color: var(--muted); line-height: 1.7;
}
.hero-note b { color: var(--brand-2); font-weight: 600; }
.hero-cta { margin-top: 38px; }

/* 灵敏度条：需求 → 上线 时间轴 */
.sense-wrap {
  margin-top: 34px; padding: 26px 30px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: start;
}
.sense-item { text-align: center; position: relative; }
.sense-item .sense-t { font-size: 26px; font-weight: 800; color: var(--brand); line-height: 1.1; }
.sense-item .sense-l { font-size: 14.5px; color: var(--text); font-weight: 700; margin-top: 8px; }
.sense-item .sense-d { font-size: 13px; color: var(--muted); line-height: 1.55; margin-top: 4px; }
.sense-item::after {
  content: "→"; position: absolute; right: -14px; top: 6px;
  color: var(--brand-soft-2); font-size: 20px; font-weight: 700;
}
.sense-item:last-child::after { display: none; }
@media (max-width: 880px) {
  .sense-wrap { grid-template-columns: repeat(2, 1fr); }
  .sense-item::after { display: none; }
}
@media (max-width: 520px) { .sense-wrap { grid-template-columns: 1fr; } }

/* 无下载提示条 */
.nodownload {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-top: 34px; padding: 16px 24px; background: var(--brand-soft);
  border: 1px dashed var(--brand-soft-2); border-radius: var(--radius-sm);
  font-size: 15.5px; color: var(--brand-2); font-weight: 600; text-align: center;
}
.nodownload .ic { width: 22px; height: 22px; flex: none; color: var(--brand); }
.nodownload .ic svg { width: 22px; height: 22px; }

/* 对比表外围说明 */
.compare-foot {
  margin-top: 20px; text-align: center; font-size: 15px; color: var(--muted); line-height: 1.7;
}
.compare-foot b { color: var(--ink); }

/* 演示图章节：图上方一句话说明 */
.shots-lead {
  text-align: center; color: var(--muted); font-size: 17px; line-height: 1.7;
  max-width: 760px; margin: -20px auto 40px;
}

/* ============ 第六版补充：Hero 副标题药丸 + 差异化卡 bullet ============ */
.hero-pill {
  display: inline-block; margin: 26px auto 6px; padding: 11px 30px;
  border-radius: 999px; background: var(--brand-soft);
  border: 1px solid var(--brand-soft-2); color: var(--brand-2);
  font-size: clamp(15px, 2.2vw, 21px); font-weight: 700; letter-spacing: 2px; line-height: 1.4;
}
@media (max-width: 620px) { .hero-pill { letter-spacing: 1px; padding: 10px 18px; } }

.diff-card ul.plain { list-style: none; padding: 0; margin-top: 14px; }
.diff-card ul.plain li {
  position: relative; padding: 7px 0 7px 20px;
  font-size: 15.5px; color: var(--text); line-height: 1.6;
}
.diff-card ul.plain li::before {
  content: ""; position: absolute; left: 3px; top: 17px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.diff-card ul.plain li:last-child { color: var(--brand-2); font-weight: 600; }
.diff-card ul.plain li:last-child::before { background: var(--brand-2); }

/* ============ 第七版：以「法务部的日常」为主线的叙事版式 ============ */

/* ---- 困境卡：现在的样子 → AI 怎么接手 ---- */
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.pain-card {
  background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--rose);
  border-radius: var(--radius); padding: 30px 28px; transition: all .22s ease;
}
.pain-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.pain-card h4 {
  color: var(--ink); font-size: 23px; font-weight: 800; margin-bottom: 12px; line-height: 1.35;
  display: flex; align-items: baseline; gap: 10px;
}
.pain-card h4 .pn {
  font-size: 13px; font-weight: 700; color: var(--rose);
  background: var(--rose-soft); padding: 3px 9px; border-radius: 6px; flex: none;
}
.pain-now { color: var(--muted); font-size: 16px; line-height: 1.75; }
.pain-now b { color: var(--ink); font-weight: 600; }
.pain-fix {
  margin-top: 16px; padding: 14px 18px; background: var(--green-soft);
  border-left: 3px solid var(--green); border-radius: 8px;
  font-size: 15.5px; line-height: 1.7; color: #15803d;
}
.pain-fix .tag { display: block; font-size: 12.5px; font-weight: 800; color: var(--green); margin-bottom: 4px; letter-spacing: .5px; }
@media (max-width: 880px) { .pain-grid { grid-template-columns: 1fr; } }

/* ---- 业务线：左文字 + 右真实界面图 ---- */
.biz-line {
  display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 42px;
  align-items: center; padding-bottom: 60px; margin-bottom: 60px;
  border-bottom: 1px solid var(--border);
}
.biz-line:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.biz-line.reverse .biz-text { order: 2; }
.biz-line.reverse .biz-shots { order: 1; }
.biz-tag {
  display: inline-block; padding: 6px 15px; background: var(--brand-soft);
  color: var(--brand-2); border-radius: 999px; font-size: 13px; font-weight: 700;
  margin-bottom: 14px; letter-spacing: .5px;
}
.biz-text h3 { color: var(--ink); font-size: 31px; font-weight: 800; margin-bottom: 14px; line-height: 1.3; }
.biz-text .biz-lead { color: var(--muted); font-size: 17px; line-height: 1.75; margin-bottom: 20px; }
.biz-text ul.biz-do { list-style: none; padding: 0; }
.biz-text ul.biz-do li {
  position: relative; padding: 7px 0 7px 26px;
  font-size: 16px; color: var(--text); line-height: 1.65;
}
.biz-text ul.biz-do li::before {
  content: "✓"; position: absolute; left: 0; top: 7px; color: var(--brand); font-weight: 800;
}
.biz-shots { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.biz-shots.single { grid-template-columns: 1fr; }
.biz-shots .shot-card { margin: 0; }
.biz-shots .wide { grid-column: 1 / -1; }
@media (max-width: 980px) {
  .biz-line { grid-template-columns: 1fr; gap: 28px; }
  .biz-line.reverse .biz-text { order: 0; }
  .biz-line.reverse .biz-shots { order: 0; }
}
@media (max-width: 620px) { .biz-shots { grid-template-columns: 1fr; } .biz-text h3 { font-size: 26px; } }

/* ---- 场景条（谁在用，横排紧凑） ---- */
.who-bar {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 34px;
}
.who-chip {
  padding: 11px 22px; background: #fff; border: 1px solid var(--border);
  border-radius: 999px; font-size: 15.5px; font-weight: 600; color: var(--text);
  transition: all .2s;
}
.who-chip:hover { border-color: var(--brand); color: var(--brand-2); background: var(--brand-soft); }

/* ============ 第八版：商品命名 + 全宽轮播 + 版面瘦身 ============ */

/* ---- 品类说明条（H1 下方，直接回答"这是啥"） ---- */
.kind-bar {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center;
  margin: 24px auto 4px; padding: 12px 26px;
  background: #fff; border: 2px solid var(--brand); border-radius: 999px;
  font-size: clamp(16px, 2.3vw, 21px); font-weight: 800; color: var(--brand-2);
  letter-spacing: .5px; box-shadow: 0 6px 22px rgba(37,99,235,.14);
}
.kind-bar .kdot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); flex: none; }
.kind-bar .ksep { color: var(--brand-soft-2); font-weight: 400; }

/* ---- 全宽轮播（一次只显示一张图） ---- */
.carousel { position: relative; }
.carousel-viewport {
  overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border);
  background: #fff; box-shadow: var(--shadow-sm);
}
.carousel-track {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; -ms-overflow-style: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-slide { flex: 0 0 100%; scroll-snap-align: start; }
.carousel-slide .cimg {
  width: 100%; height: 540px; object-fit: contain; background: #f7f9fc; display: block;
}
.carousel-cap { padding: 20px 26px; background: #fff; border-top: 1px solid var(--border); }
.carousel-cap .ct { color: var(--brand-2); font-size: 13px; font-weight: 800; margin-bottom: 6px; letter-spacing: .5px; }
.carousel-cap .cd { font-size: 16.5px; color: var(--text); line-height: 1.65; }
.carousel-btn {
  position: absolute; top: 250px; transform: translateY(-50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,.95); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); display: grid; place-items: center;
  cursor: pointer; color: var(--ink); font-size: 26px; line-height: 1; z-index: 3;
  font-family: -apple-system, "Segoe UI", sans-serif; transition: all .18s;
}
.carousel-btn:hover { background: #fff; border-color: var(--brand); color: var(--brand); }
.carousel-btn.prev { left: 16px; }
.carousel-btn.next { right: 16px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; flex-wrap: wrap; }
.carousel-dots i {
  width: 9px; height: 9px; border-radius: 999px; background: var(--border-strong);
  cursor: pointer; transition: all .22s; display: block;
}
.carousel-dots i.on { background: var(--brand); width: 28px; }
.carousel-counter { text-align: center; margin-top: 12px; font-size: 14.5px; color: var(--muted); font-weight: 600; }
@media (max-width: 720px) {
  .carousel-slide .cimg { height: 300px; }
  .carousel-btn { top: 150px; width: 42px; height: 42px; font-size: 22px; }
  .carousel-btn.prev { left: 8px; }
  .carousel-btn.next { right: 8px; }
  .carousel-cap .cd { font-size: 15px; }
}

/* ---- 四块业务简卡（不附图，图交给轮播） ---- */
.mods-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mod-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; transition: all .22s ease; border-top: 4px solid var(--brand);
}
.mod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.mod-card .mi {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; margin-bottom: 16px;
  box-shadow: 0 6px 18px rgba(37,99,235,.24);
}
.mod-card .mi svg { width: 26px; height: 26px; }
.mod-card h4 { color: var(--ink); font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.mod-card .msub { color: var(--brand-2); font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.mod-card ul { list-style: none; padding: 0; }
.mod-card ul li {
  position: relative; padding: 5px 0 5px 18px; font-size: 15px; color: var(--text); line-height: 1.6;
}
.mod-card ul li::before {
  content: ""; position: absolute; left: 2px; top: 13px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--brand);
}
@media (max-width: 980px) { .mods-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .mods-grid { grid-template-columns: 1fr; } }

/* ---- 数据安全压缩成横幅 ---- */
.sec-strip {
  background: linear-gradient(135deg, #0a1f3d, #1d4a7a); color: #fff;
  border-radius: var(--radius-lg); padding: 40px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.sec-strip h3 { font-size: 26px; font-weight: 800; margin-bottom: 8px; }
.sec-strip h3 .accent { color: #60a5fa; }
.sec-strip p { color: rgba(255,255,255,.82); font-size: 16.5px; line-height: 1.7; }
.sec-strip ul { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 16px; }
.sec-strip ul li { color: rgba(255,255,255,.92); font-size: 15.5px; display: flex; gap: 8px; align-items: center; }
.sec-strip ul li b { color: #60a5fa; font-weight: 800; }
.sec-strip .big { font-size: 76px; font-weight: 800; color: #60a5fa; line-height: 1; text-align: center; flex: none; }
.sec-strip .big-cap { color: rgba(255,255,255,.82); font-size: 15px; margin-top: 8px; text-align: center; }
@media (max-width: 880px) { .sec-strip { padding: 32px 28px; } .sec-strip .big { font-size: 60px; } }