/* ============================================================
   主张网 · 玻璃拟态风（Glassmorphism）
   磨砂玻璃卡片 / 多彩光斑底 / 电蓝强调 / Outfit 展示字体
   仅由 CSS 实现整站视觉，HTML 与主目录保持零差异
   ============================================================ */

/* 本地字体（相对本文件的路径，无任何外链） */
@import url('vendor/fonts/outfit-v5.3.0-500.css');
@import url('vendor/fonts/outfit-v5.3.0-700.css');
@import url('vendor/fonts/outfit-v5.3.0-800.css');
@import url('vendor/fonts/jetbrains-mono-v5.0.21-400.css');

/* ---------- 设计变量 ---------- */
:root {
  --ink: #1E2A4A;            /* 文字主色 深灰蓝 */
  --muted: #5A6B8C;          /* 次级文字 */
  --accent: #2F6BFF;         /* 电蓝强调 */
  --accent-deep: #1F53E0;
  --violet: #7C5CFF;
  --glass: rgba(255, 255, 255, .55);        /* 玻璃填充 */
  --glass-strong: rgba(255, 255, 255, .72);
  --glass-soft: rgba(255, 255, 255, .42);
  --glass-line: rgba(255, 255, 255, .65);   /* 1px 半透明白边 */
  --hl: inset 0 1px 0 rgba(255, 255, 255, .65);   /* 顶部内侧高光 */
  --shadow: 0 8px 32px rgba(31, 38, 135, .12);
  --shadow-lg: 0 18px 48px rgba(31, 38, 135, .18);
  --radius: 20px;
  --r-sm: 14px;
  --r-lg: 28px;
  --font-display: 'Outfit', -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: #EEF1FB; /* 底色，光斑层画在其上 */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* 柔和多彩渐变底：多层大半径彩色光斑（淡紫 / 粉 / 天蓝 / 青），固定层 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(46rem 46rem at 12% -6%, rgba(165, 180, 252, .55), transparent 62%),
    radial-gradient(38rem 38rem at 90% 8%, rgba(249, 168, 212, .42), transparent 60%),
    radial-gradient(44rem 44rem at 82% 88%, rgba(103, 232, 249, .40), transparent 62%),
    radial-gradient(38rem 38rem at 14% 82%, rgba(147, 197, 253, .46), transparent 60%),
    radial-gradient(30rem 30rem at 50% 45%, rgba(196, 181, 253, .22), transparent 65%),
    linear-gradient(160deg, #EEF2FF 0%, #FDF3F9 46%, #ECFEFF 100%);
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
b, strong { font-weight: 700; }
ul { list-style: none; }
button { font-family: inherit; }
::selection { background: rgba(47, 107, 255, .26); color: var(--ink); }
:focus-visible { outline: 3px solid rgba(47, 107, 255, .6); outline-offset: 2px; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(30, 42, 74, .22); border-radius: 999px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(30, 42, 74, .38); background-clip: content-box; border: 2px solid transparent; }

/* JS 注入的装饰光斑（漂浮层，位于渐变底之上、内容之下） */
.gl-orb {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(46px);
  will-change: transform;
}

/* 滚动入场（由 JS 添加 .reveal / .in，JS 缺席时内容始终可见） */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.grid > .reveal:nth-child(2) { transition-delay: .07s; }
.grid > .reveal:nth-child(3) { transition-delay: .14s; }
.grid > .reveal:nth-child(4) { transition-delay: .21s; }
.grid > .reveal:nth-child(5) { transition-delay: .07s; }
.grid > .reveal:nth-child(6) { transition-delay: .14s; }
.routelist > .reveal:nth-child(2) { transition-delay: .08s; }
.routelist > .reveal:nth-child(3) { transition-delay: .16s; }
.routelist > .reveal:nth-child(4) { transition-delay: .08s; }
.routelist > .reveal:nth-child(5) { transition-delay: .16s; }

/* ---------- 布局容器 ---------- */
.container { max-width: 1180px; margin-inline: auto; padding-inline: 24px; }

/* ---------- 顶栏（磨砂条） ---------- */
.topbar {
  background: rgba(255, 255, 255, .42);
  border-bottom: 1px solid rgba(255, 255, 255, .55);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  font-size: 13px;
  color: var(--muted);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 9px; padding-bottom: 9px; flex-wrap: wrap; }
.topbar b { color: var(--ink); }
.topbar .tel { color: var(--accent); font-weight: 600; text-decoration: none; }
.topbar .tel:hover { text-decoration: underline; }

/* ---------- 悬浮磨砂导航 ---------- */
.nav { position: sticky; top: 12px; z-index: 80; }
.nav .container {
  position: relative;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 10px 16px;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: 18px;
  box-shadow: var(--shadow), var(--hl);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.scrolled .container { background: var(--glass-strong); box-shadow: var(--shadow-lg), var(--hl); }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 18px; letter-spacing: -.2px; white-space: nowrap; }
.logo .mark-img { border-radius: 10px; }
.logo small { font-family: var(--font-body); font-size: 11.5px; font-weight: 600; color: var(--muted); margin-left: 4px; letter-spacing: .08em; }

.links { display: flex; align-items: center; gap: 2px; }
.links a:not(.btn) { padding: 8px 11px; border-radius: 11px; font-size: 14px; font-weight: 500; color: #33436B; text-decoration: none; white-space: nowrap; transition: background .25s var(--ease), color .25s var(--ease); }
.links a:not(.btn):hover { background: rgba(47, 107, 255, .1); color: var(--accent); }
.links a.active { background: rgba(47, 107, 255, .13); color: var(--accent); font-weight: 700; }
.links .btn.sm { margin-left: 8px; }

.menu-btn { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--glass-line); background: rgba(255, 255, 255, .5); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.menu-btn span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮：实色电蓝强调 + 玻璃质感 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255, 255, 255, .35);
  background: linear-gradient(135deg, #3D7BFF 0%, var(--accent) 55%, var(--accent-deep) 100%);
  color: #fff;
  font: 600 15px/1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(47, 107, 255, .35), inset 0 1px 0 rgba(255, 255, 255, .4);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(47, 107, 255, .45), inset 0 1px 0 rgba(255, 255, 255, .4); }
.btn:active { transform: translateY(0); }
.btn.lg { padding: 15px 30px; font-size: 16px; border-radius: 16px; }
.btn.sm { padding: 8px 14px; font-size: 13.5px; border-radius: 11px; }

/* 玻璃质感按钮（半透明 + 高光边） */
.btn.ghost {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  color: var(--ink);
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow), var(--hl);
}
.btn.ghost:hover { background: var(--glass-strong); box-shadow: var(--shadow-lg), var(--hl); color: var(--accent-deep); }

/* ---------- Hero（大玻璃面板） ---------- */
.hero { padding: 60px 0 56px; }
.hero .inner {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 5vw, 64px);
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow), var(--hl);
}
.hero .inner::before {
  content: "";
  position: absolute; inset: -40%;
  background:
    radial-gradient(closest-side at 28% 18%, rgba(139, 92, 246, .16), transparent),
    radial-gradient(closest-side at 82% 84%, rgba(56, 189, 248, .15), transparent);
  pointer-events: none;
}
.hero h1 {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 4.8vw, 56px);
  line-height: 1.16;
  letter-spacing: -.5px;
  margin-top: 18px;
}
.accent { color: var(--accent); }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .accent { background: linear-gradient(100deg, #2F6BFF, #7C5CFF); -webkit-background-clip: text; background-clip: text; color: transparent; }
}
.hero .sub { position: relative; margin-top: 18px; max-width: 680px; font-size: 16.5px; line-height: 1.95; color: var(--muted); }
.hero .sub strong { font-weight: 700; }

.quality {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid rgba(47, 107, 255, .28);
  color: var(--accent);
  font-size: 13.5px; font-weight: 600;
  box-shadow: 0 4px 16px rgba(31, 38, 135, .08), var(--hl);
}

.eyebrow { position: relative; display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .18em; }
.eyebrow::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, #2F6BFF, #8B5CFF); }

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.pills { position: relative; margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.pills a {
  padding: 9px 18px; border-radius: 999px;
  background: rgba(255, 255, 255, .45);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--glass-line);
  color: var(--ink); font-size: 14px; font-weight: 500; text-decoration: none;
  box-shadow: 0 4px 14px rgba(31, 38, 135, .07), var(--hl);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.pills a:hover { background: rgba(47, 107, 255, .13); border-color: rgba(47, 107, 255, .35); color: var(--accent); transform: translateY(-2px); }

.trustrow { position: relative; margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px 26px; font-size: 14px; color: var(--muted); }
.trustrow span { display: inline-flex; align-items: center; gap: 9px; }
.trustrow .dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, #2F6BFF, #22C1DC); box-shadow: 0 0 0 3px rgba(47, 107, 255, .14); }

/* ---------- 区块 ---------- */
.section { padding: 74px 0; }
.section.tinted {
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, .28));
  border-top: 1px solid rgba(255, 255, 255, .6);
  border-bottom: 1px solid rgba(255, 255, 255, .6);
  backdrop-filter: blur(6px) saturate(130%);
  -webkit-backdrop-filter: blur(6px) saturate(130%);
}
.h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 3.2vw, 38px); line-height: 1.25; letter-spacing: -.3px; margin-top: 14px; }
.lede { margin-top: 14px; max-width: 760px; color: var(--muted); font-size: 16.5px; line-height: 1.85; }

/* ---------- 网格与玻璃卡片 ---------- */
.grid { display: grid; gap: 22px; margin-top: 34px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }

.feature, .card, .hub-card, .stepcard, .routecard, .stat {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), var(--hl);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.feature, .hub-card { display: block; padding: 30px 28px; text-decoration: none; }
.feature:hover, .hub-card:hover { transform: translateY(-4px); background: var(--glass-strong); border-color: rgba(47, 107, 255, .35); box-shadow: var(--shadow-lg), var(--hl); }
.feature h3, .card h3, .hub-card h3, .stepcard h3, .routecard h3 { font-family: var(--font-display); font-weight: 700; color: var(--ink); }
.feature h3 { font-size: 19px; margin-bottom: 10px; letter-spacing: -.2px; }
.feature p, .card p, .hub-card p { color: var(--muted); font-size: 15px; line-height: 1.8; }
.feature .go { display: inline-block; margin-top: 18px; color: var(--accent); font-weight: 700; font-size: 14.5px; }
.feature .go::after { content: "→"; display: inline-block; margin-left: 6px; transition: transform .25s var(--ease); }
.feature:hover .go::after { transform: translateX(4px); }

.card { padding: 28px; }
.card h3 { font-size: 19px; margin: 12px 0 10px; letter-spacing: -.2px; }
.card .more { margin-top: 16px; }
.card .more a { color: var(--accent); font-weight: 600; font-size: 14.5px; text-decoration: none; }
.card .more a:hover { text-decoration: underline; }
.assist { margin-top: 18px; padding-top: 16px; border-top: 1px dashed rgba(90, 107, 140, .32); font-size: 14px; color: var(--muted); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.assist .btn.sm { flex: 0 0 auto; }

.hub-card h3 { font-size: 18px; margin: 12px 0 8px; letter-spacing: -.2px; }
.hub-card p { font-size: 14.5px; line-height: 1.75; }

/* 标签 */
.tag { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.t-brand { background: rgba(47, 107, 255, .14); color: #2456D6; border: 1px solid rgba(47, 107, 255, .26); }
.t-green { background: rgba(13, 148, 136, .13); color: #0E8A72; border: 1px solid rgba(13, 148, 136, .28); }
.t-navy { background: rgba(30, 42, 74, .1); color: #1E2A4A; border: 1px solid rgba(30, 42, 74, .18); }
.t-amber { background: rgba(217, 119, 6, .14); color: #B45309; border: 1px solid rgba(217, 119, 6, .3); }

/* ---------- 使命宣言 + 用户评价 ---------- */
.mission { padding: 84px 0; text-align: center; }
.mission h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(24px, 3.6vw, 40px); line-height: 1.4; letter-spacing: -.3px; max-width: 880px; margin: 0 auto; }
.mission > .container > p { max-width: 780px; margin: 18px auto 0; color: var(--muted); font-size: 16.5px; line-height: 1.9; }
.quotes {
  position: relative;
  max-width: 860px;
  margin: 40px auto 0;
  padding: clamp(26px, 4vw, 40px);
  text-align: left;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow), var(--hl);
}
.q-slide { display: none; }
.q-slide.is-active { display: block; animation: qfade .55s var(--ease); }
@keyframes qfade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.q-slide p { font-size: 17.5px; font-weight: 500; line-height: 1.9; color: var(--ink); }
.q-slide cite { display: block; margin-top: 12px; font-style: normal; font-size: 13.5px; color: var(--muted); }
.q-dots { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.q-dot { width: 8px; height: 8px; border-radius: 999px; border: 0; padding: 0; background: rgba(30, 42, 74, .22); cursor: pointer; transition: width .3s var(--ease), background .3s var(--ease); }
.q-dot:hover { background: rgba(30, 42, 74, .4); }
.q-dot.is-active { width: 24px; background: var(--accent); }

/* ---------- 数字条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; }
.stat { padding: 28px 18px; text-align: center; }
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), var(--hl); }
.stat b { display: block; font-family: var(--font-display); font-weight: 800; font-size: clamp(30px, 3vw, 38px); line-height: 1.15; letter-spacing: -.5px; background: linear-gradient(120deg, #2F6BFF, #7C5CFF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }

/* ---------- 期限警示 ---------- */
.deadline {
  padding: 26px 30px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, .62), rgba(255, 224, 230, .45));
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(228, 63, 90, .28);
  box-shadow: var(--shadow), var(--hl);
}
.deadline h3 { font-family: var(--font-display); font-size: 19px; font-weight: 800; color: #C81E4A; margin-bottom: 10px; }
.deadline p { color: #6B3A4C; font-size: 15px; line-height: 1.85; }
.deadline p b { color: #C81E4A; }

/* ---------- 路线卡（编号长卡） ---------- */
.routelist { display: flex; flex-direction: column; gap: 20px; margin-top: 34px; }
.routecard { display: flex; gap: 22px; padding: 30px; }
.routecard:hover { border-color: rgba(47, 107, 255, .3); box-shadow: var(--shadow-lg), var(--hl); }
.routecard > .num, .stepcard > .num {
  flex: 0 0 auto;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 15px;
  font-family: var(--font-display); font-weight: 800; font-size: 19px; color: #fff;
  background: linear-gradient(135deg, #3D7BFF, #7C5CFF);
  box-shadow: 0 8px 20px rgba(47, 107, 255, .35), inset 0 1px 0 rgba(255, 255, 255, .4);
}
.routecard h3 { font-size: 18.5px; margin-bottom: 10px; letter-spacing: -.2px; }
.routecard p { color: var(--muted); font-size: 15px; line-height: 1.85; margin-bottom: 10px; }
.routecard ul { margin: 0 0 14px; padding-left: 20px; list-style: disc; color: var(--muted); font-size: 14.5px; line-height: 1.85; }
.routecard ul li { margin: 6px 0; }
.routecard ul li::marker { color: rgba(47, 107, 255, .6); }
.routecard ul li b { color: var(--ink); }
.more { display: inline-block; margin-top: 4px; }
.more a { color: var(--accent); font-weight: 600; font-size: 14.5px; text-decoration: none; }
.more a:hover { text-decoration: underline; }

/* 案例 / 边界提示 */
.realcase {
  margin: 12px 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(47, 107, 255, .08);
  border: 1px solid rgba(47, 107, 255, .16);
  border-left: 3px solid var(--accent);
  font-size: 14px; line-height: 1.8; color: #33436B;
}
.realcase .lbl { font-weight: 700; color: #2456D6; }
.realcase strong { color: var(--ink); }
.vsrc, .vnote { display: block; margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.boundary {
  margin: 12px 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(217, 119, 6, .09);
  border: 1px solid rgba(217, 119, 6, .22);
  border-left: 3px solid #D97706;
  font-size: 14px; line-height: 1.8; color: #6B4A12;
}
.boundary b { color: #92400E; }

/* ---------- 三步 / 服务步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.stepcard { padding: 28px; }
.stepcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), var(--hl); }
.stepcard h3 { font-size: 18px; margin: 16px 0 8px; letter-spacing: -.2px; }
.stepcard p { color: var(--muted); font-size: 15px; line-height: 1.8; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details, details.tpl {
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: 16px;
  box-shadow: var(--shadow), var(--hl);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.faq details[open], details.tpl[open] { background: var(--glass-strong); border-color: rgba(47, 107, 255, .3); }
.faq summary, details.tpl summary {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 22px;
  font-size: 16px; font-weight: 600; color: var(--ink);
  cursor: pointer; list-style: none;
}
.faq summary::-webkit-details-marker, details.tpl summary::-webkit-details-marker { display: none; }
.faq summary::after, details.tpl summary::after {
  content: "+"; flex: 0 0 auto;
  font-family: var(--font-display); font-weight: 700; font-size: 20px; line-height: 1; color: var(--accent);
  transition: transform .3s var(--ease);
}
.faq details[open] summary::after, details.tpl[open] summary::after { transform: rotate(45deg); }
.faq .a { padding: 0 22px 20px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.faq details[open] summary { color: var(--accent-deep); }

/* ---------- 免费模板 details ---------- */
details.tpl { padding: 0; }
.free { display: inline-flex; padding: 2px 10px; border-radius: 999px; background: rgba(13, 148, 136, .14); color: #0E8A72; font-size: 12px; font-weight: 700; border: 1px solid rgba(13, 148, 136, .28); margin-left: 10px; }
.tpl-body { padding: 0 22px 22px; }
.tpl-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.tag2 { font-size: 12.5px; color: var(--muted); padding: 4px 10px; border-radius: 999px; background: rgba(30, 42, 74, .07); border: 1px solid rgba(30, 42, 74, .1); }
.copybtn {
  padding: 7px 14px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .4);
  background: linear-gradient(135deg, #3D7BFF, var(--accent)); color: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer;
  box-shadow: 0 6px 16px rgba(47, 107, 255, .3), inset 0 1px 0 rgba(255, 255, 255, .35);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.copybtn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(47, 107, 255, .4), inset 0 1px 0 rgba(255, 255, 255, .35); }
details.tpl pre {
  margin: 0; padding: 18px;
  background: rgba(244, 247, 255, .88);
  border: 1px solid rgba(30, 42, 74, .08);
  border-radius: 12px;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.75; color: #33436B;
  white-space: pre-wrap; word-break: break-word;
  max-height: 460px; overflow: auto;
}

/* ---------- 表单控件（玻璃输入框，通用兜底） ---------- */
input[type="text"], input[type="tel"], input[type="email"], input[type="search"], textarea, select {
  width: 100%; padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-line);
  background: rgba(255, 255, 255, .55);
  color: var(--ink);
  font: 400 15px/1.5 var(--font-body);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
input:focus, textarea:focus, select:focus { outline: none; border-color: rgba(47, 107, 255, .5); box-shadow: 0 0 0 4px rgba(47, 107, 255, .14); }
::placeholder { color: rgba(90, 107, 140, .7); }

/* ---------- 大 CTA ---------- */
.bigcta {
  position: relative; overflow: hidden;
  width: min(1020px, calc(100% - 48px));
  margin: 0 auto 84px;
  padding: clamp(36px, 5vw, 64px) clamp(22px, 4vw, 56px);
  text-align: center;
  background: var(--glass-strong);
  backdrop-filter: blur(20px) saturate(165%);
  -webkit-backdrop-filter: blur(20px) saturate(165%);
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: 30px;
  box-shadow: var(--shadow-lg), var(--hl);
}
.bigcta::before {
  content: ""; position: absolute; inset: -30%;
  background:
    radial-gradient(closest-side at 20% 0%, rgba(47, 107, 255, .14), transparent),
    radial-gradient(closest-side at 85% 100%, rgba(139, 92, 246, .12), transparent);
  pointer-events: none;
}
.bigcta h2 { position: relative; font-family: var(--font-display); font-weight: 800; font-size: clamp(26px, 3.6vw, 40px); letter-spacing: -.3px; }
.bigcta p { position: relative; margin: 16px auto 0; max-width: 640px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.bigcta .actions { justify-content: center; margin-top: 28px; }
.bigcta .hint { position: relative; margin-top: 20px; font-size: 13.5px; color: var(--muted); }

/* ---------- 页脚 ---------- */
footer {
  background: rgba(255, 255, 255, .5);
  border-top: 1px solid rgba(255, 255, 255, .65);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  padding: 60px 0 26px;
}
footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.brandline { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 18px; color: var(--ink); margin-bottom: 12px; }
.brandline .mark-img { border-radius: 10px; }
footer h4 { margin-bottom: 12px; font-size: 14px; font-weight: 700; letter-spacing: .06em; color: var(--ink); }
footer a { display: block; padding: 5px 0; color: var(--muted); font-size: 14.5px; text-decoration: none; transition: color .2s; }
footer a:hover { color: var(--accent); }
.legal { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(30, 42, 74, .1); font-size: 13px; color: var(--muted); line-height: 1.9; }
.legal b { color: var(--ink); }
.beian a { display: inline; color: var(--muted); text-decoration: underline; }
.beian a:hover { color: var(--accent); }

/* ---------- 浮动元素 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 26px; z-index: 100;
  transform: translate(-50%, 16px);
  max-width: calc(100vw - 40px);
  padding: 11px 20px;
  border-radius: 999px;
  background: rgba(30, 42, 74, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff; font-size: 13.5px;
  box-shadow: 0 12px 32px rgba(31, 38, 135, .3);
  opacity: 0; pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.totop {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  border: 1px solid var(--glass-line);
  background: rgba(255, 255, 255, .65);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  color: var(--ink); font-size: 18px; cursor: pointer;
  box-shadow: var(--shadow), var(--hl);
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.totop.show { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: rgba(255, 255, 255, .88); color: var(--accent); }

/* ---------- 响应式 ---------- */
@media (max-width: 1060px) {
  .grid.c3 { grid-template-columns: repeat(2, 1fr); }
  footer .cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1120px) {
  .menu-btn { display: inline-flex; }
  .nav .links {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(24px) saturate(170%);
    -webkit-backdrop-filter: blur(24px) saturate(170%);
    border: 1px solid var(--glass-line);
    border-radius: 18px;
    box-shadow: var(--shadow-lg), var(--hl);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    max-height: calc(100vh - 140px); overflow: auto;
  }
  .nav .links.open { opacity: 1; visibility: visible; transform: none; }
  .nav .links a:not(.btn) { padding: 11px 14px; font-size: 15px; }
  .nav .links .btn.sm { margin: 8px 0 0; }
}
@media (max-width: 860px) {
  .grid.c2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
  .mission { padding: 64px 0; }
}
@media (max-width: 640px) {
  .container { padding-inline: 18px; }
  .topbar .container > div:last-child { display: none; }
  .topbar .container { justify-content: center; text-align: center; }
  .grid.c3 { grid-template-columns: 1fr; }
  .grid { gap: 16px; }
  .routecard { flex-direction: column; gap: 14px; padding: 24px; }
  .routecard > .num, .stepcard > .num { width: 42px; height: 42px; font-size: 17px; border-radius: 13px; }
  .bigcta { width: calc(100% - 32px); margin-bottom: 64px; }
  .hero { padding-top: 40px; }
  footer .cols { grid-template-columns: 1fr; gap: 24px; }
  .totop { right: 16px; bottom: 16px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .gl-orb { display: none !important; }
}

/* ---------- 透明度降级：prefers-reduced-transparency ----------
   backdrop-filter 全部替换为不透明实色背景与实线边框 */
@media (prefers-reduced-transparency: reduce) {
  body::before {
    background:
      radial-gradient(46rem 46rem at 12% -6%, rgba(165, 180, 252, .45), transparent 62%),
      radial-gradient(38rem 38rem at 90% 8%, rgba(249, 168, 212, .35), transparent 60%),
      radial-gradient(44rem 44rem at 82% 88%, rgba(103, 232, 249, .32), transparent 62%),
      linear-gradient(160deg, #EEF2FF 0%, #FDF3F9 46%, #ECFEFF 100%);
  }
  .gl-orb { display: none; }
  .topbar, .nav .container, .nav .links, .hero .inner, .quality, .pills a, .btn.ghost,
  .feature, .card, .hub-card, .stepcard, .routecard, .stat, .bigcta, .deadline,
  .quotes, .faq details, details.tpl, .totop, footer,
  input[type="text"], input[type="tel"], input[type="email"], input[type="search"], textarea, select {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: #FFFFFF !important;
    border: 1px solid #D8DEF0 !important;
    box-shadow: 0 6px 18px rgba(31, 38, 135, .1) !important;
  }
  .topbar { background: #F7F9FF !important; border-bottom: 1px solid #E2E8F7 !important; box-shadow: none !important; }
  .section.tinted { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; background: #F3F6FF !important; border-color: #E2E8F7 !important; }
  .deadline { background: #FFF5F7 !important; border: 1px solid #F3C4CE !important; }
  .toast { background: #1E2A4A !important; }
  details.tpl pre { background: #F4F7FF !important; }
}