/* =============================================================
   造梦全域超级CPS聚合系统 · 官网设计系统
   风格：深蓝鎏金商务风（正式大气）
   ============================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 主色 · 深蓝 */
  --navy-950: #06121f;
  --navy-900: #0a1e30;
  --navy-800: #0d2840;
  --navy-700: #113352;
  --navy-600: #164066;
  --navy-500: #1d4e7c;
  --navy-400: #2a6094;

  /* 金色点缀 */
  --gold-600: #a17b36;
  --gold-500: #c09a4e;
  --gold-400: #d4b26a;
  --gold-300: #e6cd93;
  --gold-100: #f6ecd7;

  /* 中性色 */
  --ink-900: #12202e;
  --ink-700: #2c3d4e;
  --ink-500: #52657a;
  --ink-400: #6b7f93;
  --ink-300: #93a5b6;
  --line: #e2e8ef;
  --line-soft: #edf2f7;
  --bg: #f7f9fc;
  --bg-deep: #0a1e30;
  --white: #ffffff;

  /* 字体 */
  --font-main: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Arial, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", "微软雅黑", serif;

  /* 尺寸 */
  --container: 1200px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(13, 40, 64, 0.06);
  --shadow: 0 8px 30px rgba(13, 40, 64, 0.10);
  --shadow-lg: 0 20px 60px rgba(13, 40, 64, 0.16);
  --header-h: 76px;
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--navy-900); line-height: 1.25; font-weight: 700; }

.container { width: min(var(--container), 92%); margin: 0 auto; }
.section { padding: 96px 0; }
.section--soft { background: var(--white); }
.section--deep { background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-800) 60%, var(--navy-700) 100%); color: #cfe0f0; }
.section--gold { background: linear-gradient(135deg, #0d2840 0%, #164066 100%); position: relative; overflow: hidden; }

/* ---------- 3. 辅助工具 ---------- */
.text-gold { color: var(--gold-500) !important; }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-40 { margin-bottom: 40px; }

/* ---------- 4. 区块标题 ---------- */
.section-head { max-width: 780px; margin: 0 auto 64px; text-align: center; }
.section-head__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: 0.12em; color: var(--gold-500);
  margin-bottom: 16px; text-transform: uppercase;
}
.section-head__eyebrow::before, .section-head__eyebrow::after {
  content: ""; width: 28px; height: 1px; background: var(--gold-400);
}
.section-head h2 { font-size: clamp(30px, 4vw, 44px); letter-spacing: 0.02em; }
.section-head p { margin-top: 18px; font-size: 17px; color: var(--ink-500); }
.section-head--light h2 { color: #ffffff; }
.section-head--light p { color: #a9bfd4; }

/* ---------- 5. 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: var(--transition);
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(13, 40, 64, 0.10); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { display: flex; align-items: center; gap: 10px; }
.brand__mark {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(13, 40, 64, 0.28);
}
.brand__text { line-height: 1.15; }
.brand__name { font-size: 20px; font-weight: 700; color: var(--navy-900); letter-spacing: 0.04em; }
.brand__name em { font-style: normal; color: var(--gold-500); }
.brand__sub { font-size: 11px; letter-spacing: 0.22em; color: var(--ink-400); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block; padding: 10px 16px; font-size: 15px; font-weight: 500; color: var(--ink-700);
  border-radius: var(--radius-sm);
}
.main-nav > li > a:hover, .main-nav > li > a.is-active { color: var(--navy-700); background: rgba(13, 40, 64, 0.05); }

.nav-drop { position: relative; }
.nav-drop__btn { display: flex; align-items: center; gap: 4px; }
.nav-drop__btn .caret { width: 10px; height: 10px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: var(--transition); }
.nav-drop:hover .caret, .nav-drop.is-open .caret { transform: rotate(225deg) translateY(-1px); }
.nav-drop__menu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 260px; background: var(--white); border: 1px solid var(--line-soft);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 10px; opacity: 0; visibility: hidden; transition: var(--transition);
}
.nav-drop:hover .nav-drop__menu, .nav-drop.is-open .nav-drop__menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-drop__menu a {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 14px; color: var(--ink-700);
}
.nav-drop__menu a:hover { background: var(--bg); color: var(--navy-800); }
.nav-drop__menu a .d-icon { width: 34px; height: 34px; flex: none; border-radius: 8px; background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--gold-500); }
.nav-drop__menu a:hover .d-icon { background: var(--gold-100); }
.nav-drop__menu a .d-name { display: block; font-weight: 600; }
.nav-drop__menu a .d-desc { display: block; font-size: 12px; color: var(--ink-400); }

.header-actions { display: flex; align-items: center; gap: 12px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 600;
  transition: var(--transition); white-space: nowrap;
}
.btn--gold {
  color: var(--navy-950); background: linear-gradient(135deg, var(--gold-300), var(--gold-500) 60%, var(--gold-600));
  box-shadow: 0 6px 18px rgba(192, 154, 78, 0.35);
}
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(192, 154, 78, 0.45); }
.btn--outline { color: var(--navy-800); border: 1.5px solid #c9d6e2; background: transparent; }
.btn--outline:hover { border-color: var(--navy-600); color: var(--navy-700); background: rgba(13, 40, 64, 0.04); }
.btn--white { color: var(--navy-900); background: #ffffff; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18); }
.btn--white:hover { transform: translateY(-2px); }
.btn--ghost-light { color: #ffffff; border: 1.5px solid rgba(255, 255, 255, 0.45); background: transparent; }
.btn--ghost-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }
.btn--lg { padding: 15px 38px; font-size: 16px; }

/* 汉堡按钮 */
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 8px; align-items: center; justify-content: center; gap: 5px; flex-direction: column; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy-900); border-radius: 2px; transition: var(--transition); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--navy-950) 0%, var(--navy-800) 55%, var(--navy-600) 100%);
  color: #e8f1fa; padding: 120px 0 96px;
}
.hero__deco { position: absolute; inset: 0; pointer-events: none; }
.hero__deco .glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.4; }
.hero__deco .glow--1 { width: 520px; height: 520px; top: -180px; right: -120px; background: #1d4e7c; }
.hero__deco .glow--2 { width: 420px; height: 420px; bottom: -160px; left: -80px; background: #a17b36; opacity: 0.22; }
.hero__grid { position: absolute; inset: 0; opacity: 0.16; }
.hero-inner { position: relative; z-index: 2; }
.hero__row { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px; font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--gold-300); background: rgba(212, 178, 106, 0.12); border: 1px solid rgba(212, 178, 106, 0.35);
  margin-bottom: 26px;
}
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold-400); box-shadow: 0 0 0 4px rgba(212, 178, 106, 0.25); }
.hero h1 { font-size: clamp(36px, 5vw, 58px); color: #ffffff; letter-spacing: 0.01em; line-height: 1.22; }
.hero h1 .gold { color: var(--gold-400); }
.hero__lead { margin-top: 26px; font-size: clamp(16px, 1.6vw, 19px); color: #b9cde0; max-width: 620px; }
.hero__actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero__note { margin-top: 18px; font-size: 13px; color: #7f9ab5; }

/* hero 数据条 */
.hero__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: rgba(255, 255, 255, 0.12); border-radius: var(--radius); overflow: hidden;
  margin-top: 56px; border: 1px solid rgba(255, 255, 255, 0.12);
}
.hero__stat { background: rgba(10, 30, 48, 0.55); padding: 22px 18px; text-align: center; }
.hero__stat b { display: block; font-size: clamp(22px, 2.6vw, 30px); font-family: var(--font-display); color: var(--gold-400); font-weight: 700; }
.hero__stat span { font-size: 13px; color: #9db3c7; }

/* hero 右侧 · 系统面板卡 */
.hero-panel {
  position: relative; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg); padding: 28px; backdrop-filter: blur(6px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}
.hero-panel__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.hero-panel__head h3 { color: #ffffff; font-size: 17px; }
.hero-panel__live { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #8fd3a6; }
.hero-panel__live .dot { width: 7px; height: 7px; border-radius: 50%; background: #4cd07f; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(76, 208, 127, 0.5);} 50% { box-shadow: 0 0 0 6px rgba(76, 208, 127, 0);} }
.hero-panel__list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.hp-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: rgba(255, 255, 255, 0.05); border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.08); }
.hp-item__ico { width: 38px; height: 38px; flex: none; border-radius: 9px; display: flex; align-items: center; justify-content: center; background: rgba(212, 178, 106, 0.16); color: var(--gold-400); }
.hp-item__body { flex: 1; min-width: 0; }
.hp-item__body b { display: block; font-size: 14px; color: #ecf4fb; font-weight: 600; }
.hp-item__body span { font-size: 12px; color: #8fa8bf; }
.hp-item__fee { font-size: 13px; font-weight: 700; color: var(--gold-400); }
.hero-panel__foot { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: rgba(212, 178, 106, 0.09); border: 1px dashed rgba(212, 178, 106, 0.4); border-radius: 10px; font-size: 13px; color: var(--gold-300); }
.hero-panel__foot b { color: var(--gold-300); }

/* ---------- 7. 数据面板 ---------- */
.stats-band { padding: 64px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 34px 28px; text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition);
}
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.stat-card__num { font-size: clamp(34px, 4vw, 48px); font-weight: 800; font-family: var(--font-display); color: var(--navy-800); letter-spacing: 0.01em; }
.stat-card__num em { font-style: normal; font-size: 0.6em; color: var(--gold-500); }
.stat-card__label { margin-top: 8px; font-size: 15px; color: var(--ink-500); }

/* ---------- 8. 卡片网格 ---------- */
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.module-card {
  position: relative; background: var(--white); border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg); padding: 34px 30px; transition: var(--transition);
  display: flex; flex-direction: column;
}
.module-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300)); transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.module-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: #d8e2ec; }
.module-card:hover::before { transform: scaleX(1); }
.module-card__ico {
  width: 58px; height: 58px; border-radius: 14px; margin-bottom: 22px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--gold-400); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(13, 40, 64, 0.22);
}
.module-card h3 { font-size: 20px; margin-bottom: 10px; }
.module-card p { font-size: 14.5px; color: var(--ink-500); flex: 1; }
.module-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.module-card__tags span {
  font-size: 12px; color: var(--navy-600); background: #eef4fa; padding: 4px 12px; border-radius: 999px; font-weight: 500;
}
.module-card__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; font-size: 14px; font-weight: 600; color: var(--gold-600); }
.module-card__link .arrow { width: 14px; height: 14px; border-right: 2px solid var(--gold-600); border-top: 2px solid var(--gold-600); transform: rotate(45deg) translateX(-3px); transition: var(--transition); }
.module-card:hover .module-card__link .arrow { transform: rotate(45deg) translateX(0); }

/* ---------- 9. 双栏特性 ---------- */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.feature-row + .feature-row { margin-top: 88px; }
.feature-row--rev .feature-row__media { order: 2; }
.feature-row__content .eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; color: var(--gold-600); margin-bottom: 14px; }
.feature-row__content h2 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 18px; }
.feature-row__content > p { color: var(--ink-500); font-size: 16px; margin-bottom: 26px; }
.feature-list { display: flex; flex-direction: column; gap: 16px; }
.feature-list li { display: flex; gap: 14px; align-items: flex-start; }
.feature-list .f-ico { width: 26px; height: 26px; flex: none; margin-top: 2px; border-radius: 7px; background: var(--gold-100); color: var(--gold-600); display: flex; align-items: center; justify-content: center; }
.feature-list b { display: block; color: var(--navy-900); font-size: 16px; margin-bottom: 2px; }
.feature-list span { font-size: 14px; color: var(--ink-500); }
.feature-row__media { position: relative; }
.fm-card { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 28px; }
.fm-card--dark { background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); border: none; color: #cfe0f0; }
.fm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.fm-cell { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 10px; padding: 16px; }
.fm-cell b { display: block; font-size: 22px; color: var(--gold-400); }
.fm-cell span { font-size: 12.5px; color: #9db3c7; }
.fm-float {
  position: absolute; right: -18px; top: -22px; background: var(--white); border-radius: 12px;
  box-shadow: var(--shadow-lg); padding: 14px 18px; display: flex; align-items: center; gap: 10px; font-size: 13px;
}
.fm-float b { color: var(--navy-900); display: block; font-size: 16px; }
.fm-float span { font-size: 12px; color: var(--ink-400); }
.fm-float .f-ico { width: 34px; height: 34px; border-radius: 9px; background: var(--gold-100); color: var(--gold-600); display: flex; align-items: center; justify-content: center; }

/* 特性 · 小卡片清单 */
.mini-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini-card { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 18px; transition: var(--transition); }
.mini-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.mini-card .f-ico { width: 34px; height: 34px; border-radius: 9px; background: var(--gold-100); color: var(--gold-600); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.mini-card b { display: block; color: var(--navy-900); font-size: 15px; margin-bottom: 4px; }
.mini-card span { font-size: 13px; color: var(--ink-500); }

/* ---------- 10. 深色区内容卡 ---------- */
.dark-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--radius); padding: 26px; transition: var(--transition); }
.dark-card:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-4px); }
.dark-card .f-ico { width: 44px; height: 44px; border-radius: 11px; background: rgba(212, 178, 106, 0.16); color: var(--gold-400); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.dark-card b { display: block; font-size: 17px; color: #ffffff; margin-bottom: 8px; }
.dark-card p { font-size: 13.5px; color: #a9bfd4; }

/* ---------- 11. 步骤条 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { position: relative; background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 34px 26px 28px; text-align: center; transition: var(--transition); }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-card::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  color: var(--navy-950); font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(192, 154, 78, 0.4);
}
.step-card .f-ico { width: 52px; height: 52px; margin: 8px auto 16px; border-radius: 13px; background: var(--bg); color: var(--navy-600); display: flex; align-items: center; justify-content: center; }
.step-card h3 { font-size: 17px; margin-bottom: 8px; }
.step-card p { font-size: 13.5px; color: var(--ink-500); }

/* ---------- 12. 角色卡 ---------- */
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.role-card { background: var(--white); border-radius: var(--radius-lg); padding: 40px 32px; box-shadow: var(--shadow-sm); border: 1px solid var(--line-soft); text-align: center; overflow: visible; }
.role-card h3, .role-card p, .role-card .role-card__tags { position: static; }
.role-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); transition: transform 0.28s cubic-bezier(0.4,0,0.2,1), box-shadow 0.28s cubic-bezier(0.4,0,0.2,1); }
.role-card__ring { width: 86px; height: 86px; margin: 0 auto 22px; border-radius: 50%; border: 3px solid var(--gold-400); background: var(--white); display: flex; align-items: center; justify-content: center; }
.role-card__ring-in { width: 72px; height: 72px; border-radius: 50%; background: var(--white); display: flex; align-items: center; justify-content: center; }
.role-card h3 { font-size: 21px; margin-bottom: 10px; }
.role-card p { font-size: 14px; color: var(--ink-500); margin-bottom: 18px; }
.role-card__tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.role-card__tags span { font-size: 12.5px; background: #eef4fa; color: var(--navy-600); padding: 5px 13px; border-radius: 999px; }

/* ---------- 13. FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item.is-open { box-shadow: var(--shadow); border-color: #d3dee9; }
.faq-item__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; text-align: left; font-size: 16px; font-weight: 600; color: var(--navy-900); }
.faq-item__q .plus { width: 26px; height: 26px; flex: none; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; position: relative; transition: var(--transition); }
.faq-item__q .plus::before, .faq-item__q .plus::after { content: ""; position: absolute; background: var(--navy-600); width: 12px; height: 2px; border-radius: 2px; transition: var(--transition); }
.faq-item__q .plus::after { transform: rotate(90deg); }
.faq-item.is-open .faq-item__q .plus { background: var(--gold-100); }
.faq-item.is-open .faq-item__q .plus::after { transform: rotate(0); }
.faq-item__a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item__a-inner { padding: 0 26px 24px; font-size: 14.5px; color: var(--ink-500); }

/* ---------- 14. 内页页头 ---------- */
.page-head {
  position: relative; padding: 84px 0 72px; overflow: hidden;
  background: linear-gradient(150deg, var(--navy-950), var(--navy-800) 60%, var(--navy-600));
  color: #e8f1fa; text-align: center;
}
.page-head__deco { position: absolute; inset: 0; pointer-events: none; opacity: 0.35; }
.page-head .crumb { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: #8fa8bf; margin-bottom: 20px; }
.page-head .crumb a:hover { color: var(--gold-400); }
.page-head .crumb .sep { opacity: 0.5; }
.page-head h1 { font-size: clamp(32px, 4vw, 46px); color: #ffffff; letter-spacing: 0.02em; }
.page-head__lead { max-width: 760px; margin: 18px auto 0; font-size: 16.5px; color: #b9cde0; }
.page-head__stat { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px; padding: 12px 24px; border-radius: 999px; background: rgba(212, 178, 106, 0.12); border: 1px solid rgba(212, 178, 106, 0.4); font-size: 14px; color: var(--gold-300); font-weight: 600; }

/* ---------- 15. 内容组件 ---------- */
.rich { max-width: 980px; margin: 0 auto; }
.rich h2 { font-size: 26px; margin: 40px 0 16px; }
.rich h3 { font-size: 20px; margin: 28px 0 12px; }
.rich p { margin-bottom: 16px; color: var(--ink-500); }
.rich ul { margin: 0 0 20px 22px; list-style: disc; color: var(--ink-500); }
.rich ul li { margin-bottom: 8px; }
.rich .note { background: var(--gold-100); border-left: 4px solid var(--gold-500); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 24px 0; font-size: 14.5px; color: var(--ink-700); }

/* 场景清单 */
.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scene-card { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: var(--transition); }
.scene-card:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.scene-card .f-ico { width: 52px; height: 52px; margin: 0 auto 14px; border-radius: 13px; background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); color: var(--gold-400); display: flex; align-items: center; justify-content: center; }
.scene-card b { display: block; font-size: 16px; color: var(--navy-900); margin-bottom: 6px; }
.scene-card span { font-size: 13px; color: var(--ink-500); }

/* 对比表 */
.compare-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.compare-table th, .compare-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-soft); font-size: 14.5px; }
.compare-table thead th { background: var(--navy-900); color: #ffffff; font-weight: 600; font-size: 15px; }
.compare-table thead th:first-child { border-radius: var(--radius) 0 0 0; }
.compare-table thead th:last-child { border-radius: 0 var(--radius) 0 0; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table tbody tr:hover { background: var(--bg); }
.compare-table .yes { color: #2e7d4f; font-weight: 700; }
.compare-table .no { color: #b0bcc9; }
.compare-table .best { background: #faf6ec; }
.compare-table td small { color: var(--ink-400); }

/* 价格/方案卡 */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan-card { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 36px 30px; display: flex; flex-direction: column; transition: var(--transition); position: relative; }
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.plan-card--hot { border-color: var(--gold-500); box-shadow: 0 14px 44px rgba(192, 154, 78, 0.22); }
.plan-card__badge { position: absolute; top: -13px; left: 30px; padding: 5px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--gold-400), var(--gold-600)); color: var(--navy-950); font-size: 12.5px; font-weight: 700; }
.plan-card h3 { font-size: 19px; margin-bottom: 6px; }
.plan-card .plan-desc { font-size: 13.5px; color: var(--ink-400); margin-bottom: 22px; }
.plan-card .plan-price { font-size: 40px; font-weight: 800; color: var(--navy-800); font-family: var(--font-display); }
.plan-card .plan-price small { font-size: 14px; font-weight: 400; color: var(--ink-400); }
.plan-card ul { margin: 24px 0 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.plan-card ul li { display: flex; gap: 10px; font-size: 14px; color: var(--ink-500); align-items: flex-start; }
.plan-card ul li::before { content: ""; width: 16px; height: 16px; flex: none; margin-top: 4px; border-radius: 50%; background: var(--gold-100) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%23c09a4e' d='M10.5 3.2L4.8 8.9 1.5 5.6l1-1 2.3 2.3 4.7-4.7z'/%3E%3C/svg%3E") center / 12px no-repeat; }

/* 表单 */
.form-card { background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--navy-900); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid #d7e0e9; border-radius: 8px; font-family: inherit; font-size: 14.5px;
  color: var(--ink-700); background: var(--white); transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--navy-500); box-shadow: 0 0 0 3px rgba(29, 78, 124, 0.12); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--ink-400); margin-top: 12px; }

/* 补充组件：窄容器 / 通用提示 */
.container--narrow { max-width: 860px; }
.note { background: var(--gold-100); border-left: 4px solid var(--gold-500); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 24px 0; font-size: 14.5px; color: var(--ink-700); }
.hero__content, .hero__media { min-width: 0; }
.form-actions { margin-top: 6px; }

/* 补充组件：数据面板 / 数字滚动 */
.data-panel { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.data-item { background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--radius); padding: 32px 18px; text-align: center; position: relative; }
.data-item::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold-400), transparent); opacity: 0.6; }
.data-item b { display: block; font-size: clamp(28px, 3vw, 40px); font-family: var(--font-display); color: var(--gold-400); font-weight: 700; margin-bottom: 10px; line-height: 1.1; }
.data-item span { font-size: 13.5px; color: #a9bfd4; }

/* 补充组件：按钮小尺寸 */
.btn--sm { padding: 9px 22px; font-size: 13.5px; }

/* 补充组件：表格包裹 */
.compare-table-wrap { overflow-x: auto; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); }

/* 补充组件：角色卡变体（数字编号/列表/高亮） */
.role-grid--2 { grid-template-columns: repeat(2, 1fr); }
.role-card__num { position: absolute; top: 18px; right: 22px; font-family: var(--font-display); font-size: 34px; font-weight: 800; color: #dbe6f2; line-height: 1; }
.role-card--focus { border-color: var(--gold-500); background: linear-gradient(180deg, #fffdf6, #fff); box-shadow: 0 14px 44px rgba(192, 154, 78, 0.2); border-top: 3px solid var(--gold-500); }
.role-card--focus::before { content: none; }
.role-card__list { list-style: none; margin: 0 0 22px; display: flex; flex-direction: column; gap: 10px; text-align: left; padding: 18px 20px; background: var(--bg); border-radius: 10px; }
.role-card__list li { position: relative; padding-left: 22px; font-size: 14px; color: var(--ink-600); }
.role-card__list li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--gold-100) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%23c09a4e' d='M10.5 3.2L4.8 8.9 1.5 5.6l1-1 2.3 2.3 4.7-4.7z'/%3E%3C/svg%3E") center / 9px no-repeat; }
.role-card__icon { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 16px; background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); color: var(--gold-400); display: flex; align-items: center; justify-content: center; }

/* 补充组件：了解更多链接 */
.link-more { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; font-weight: 600; color: var(--navy-800); }
.link-more i { font-style: normal; font-size: 16px; }
.link-more:hover { color: var(--gold-600); }

/* 补充组件：新闻列表 */
.news-list { max-width: 980px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.news-item { display: grid; grid-template-columns: 180px 1fr; gap: 28px; background: var(--white); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); padding: 30px 34px; transition: var(--transition); }
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: #d3dee9; }
.news-item__date { display: flex; flex-direction: column; gap: 4px; align-items: center; justify-content: center; padding: 18px 10px; border-radius: var(--radius); background: linear-gradient(160deg, var(--navy-950), var(--navy-800)); border: 1px solid rgba(255, 255, 255, 0.12); }
.news-item__date b { font-family: var(--font-display); font-size: 22px; color: var(--gold-400); font-weight: 700; }
.news-item__date span { font-size: 12px; color: #9db3c7; padding: 4px 12px; border: 1px solid rgba(212, 178, 106, 0.4); border-radius: 999px; color: var(--gold-300); }
.news-item__body h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; transition: var(--transition); }
.news-item:hover .news-item__body h3 { color: var(--gold-600); }
.news-item__body p { font-size: 14.5px; color: var(--ink-500); margin-bottom: 14px; line-height: 1.8; }

/* ---------- 16. CTA 区 ---------- */
.cta-band { position: relative; padding: 88px 0; overflow: hidden; }
.cta-band__grid { position: absolute; inset: 0; opacity: 0.12; }
.cta-band .container { position: relative; z-index: 2; text-align: center; }
.cta-band h2 { color: #ffffff; font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 16px; }
.cta-band p { color: #b9cde0; font-size: 16.5px; max-width: 680px; margin: 0 auto 36px; }
.cta-band .btn { margin: 0 8px; }

/* 页脚 */
.site-footer { background: var(--navy-950); color: #8fa8bf; padding: 72px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 52px; }
.footer-brand .brand__name { color: #ffffff; }
.footer-brand p { margin-top: 16px; font-size: 13.5px; color: #7f9ab5; max-width: 300px; }
.footer-cert { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.footer-cert span { font-size: 12px; border: 1px solid rgba(255, 255, 255, 0.18); color: #a9bfd4; padding: 4px 12px; border-radius: 999px; }
.footer-col h4 { font-size: 15px; color: #ffffff; margin-bottom: 18px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col ul a { color: #8fa8bf; font-size: 13.5px; }
.footer-col ul a:hover { color: var(--gold-400); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: #66819b; }
.footer-bottom a { color: #8fa8bf; }
.footer-bottom a:hover { color: var(--gold-400); }

/* 返回顶部 */
.to-top { position: fixed; right: 28px; bottom: 32px; z-index: 90; width: 46px; height: 46px; border-radius: 50%; background: var(--navy-800); color: var(--gold-400); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(16px); transition: var(--transition); }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--navy-700); }
.to-top svg { width: 18px; height: 18px; }

/* 滚动渐显（纯CSS装饰性淡入，内容始终可见） */
.reveal { opacity: 1; transform: none; }
.reveal.is-visible { }

/* 浮动装饰 */
.float-card { animation: floaty 5s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0);} 50% { transform: translateY(-10px);} }

/* 内联 SVG 通用图标色 */
.ico-line { stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- 17. 响应式 ---------- */
@media (max-width: 1080px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__row { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .data-panel { grid-template-columns: repeat(3, 1fr); }
  .news-item { grid-template-columns: 140px 1fr; gap: 22px; padding: 26px; }
}

@media (max-width: 920px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; z-index: 99;
    background: var(--white); flex-direction: column; align-items: stretch; gap: 0;
    padding: 16px 5%; overflow-y: auto;
    transform: translateX(100%); transition: transform 0.35s ease;
  }
  .main-nav.is-open { transform: translateX(0); box-shadow: -20px 0 60px rgba(6, 18, 31, 0.18); }
  .main-nav > li > a { padding: 15px 8px; font-size: 16px; border-bottom: 1px solid var(--line-soft); border-radius: 0; }
  .nav-drop__menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 8px 18px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease; min-width: 0; }
  .nav-drop.is-open .nav-drop__menu { max-height: 600px; }
  .nav-drop:hover .nav-drop__menu { transform: none; }
  .header-actions .btn { display: none; }
  .feature-row { grid-template-columns: 1fr; gap: 44px; }
  .feature-row--rev .feature-row__media { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .role-grid { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding: 84px 0 72px; }
  .module-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-card { padding: 24px 16px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero__stats { grid-template-columns: 1fr; }
  .hero-panel__head { flex-wrap: wrap; gap: 10px; }
  .f-grid-2 { grid-template-columns: 1fr; }
  .btn { padding: 11px 22px; }
  .compare-table { display: block; overflow-x: auto; white-space: nowrap; }
  .data-panel { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item__date { flex-direction: row; justify-content: flex-start; gap: 12px; padding: 12px 16px; }
  .news-item__date b { font-size: 18px; }
  .role-grid { gap: 16px; }
}