/* ==========================================================================
   E报税 JianZhang — 全站样式
   纯静态站点，无构建步骤。设计令牌 + 布局 + 组件。
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  /* 品牌色 */
  --brand-50:  #eef2ff;
  --brand-100: #dfe6ff;
  --brand-300: #93a6f7;
  --brand-500: #3f5ee8;
  --brand-600: #2b47d6;
  --brand-700: #1f35a8;
  --brand-900: #131f63;

  /* 辅助色 */
  --mint-50:  #e7faf5;
  --mint-500: #12b79a;
  --mint-600: #0d9480;
  --amber-50:  #fff7e8;
  --amber-500: #f5a524;
  --rose-50:   #fff0f2;
  --rose-500:  #ef4a63;

  /* 中性色 */
  --ink-900: #0d1424;
  --ink-800: #1b2437;
  --ink-700: #37415a;
  --ink-600: #55607a;
  --ink-500: #717c96;
  --ink-400: #99a2b6;
  --line:    #e3e8f0;
  --line-soft: #eef1f7;
  --bg:      #ffffff;
  --bg-soft: #f6f8fd;
  --bg-mute: #eef1f8;

  /* 尺寸 */
  --container: 1200px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --header-h: 68px;
  --topbar-h: 42px;

  /* 阴影 */
  --sh-1: 0 1px 2px rgba(13, 20, 36, .05), 0 2px 8px rgba(13, 20, 36, .04);
  --sh-2: 0 4px 14px rgba(13, 20, 36, .07), 0 12px 32px rgba(13, 20, 36, .05);
  --sh-3: 0 18px 48px rgba(19, 31, 99, .16);
  --sh-brand: 0 10px 26px rgba(43, 71, 214, .28);

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --t-fast: .16s var(--ease);
  --t: .28s var(--ease);
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 120px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-800);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--ink-900); line-height: 1.35; font-weight: 700; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--brand-600); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--brand-700); }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--brand-100); color: var(--brand-900); }

:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; border-radius: 4px; }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 900px; }

.section { padding: 76px 0; }
.section-sm { padding: 48px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: linear-gradient(160deg, #101a3d 0%, #1a2759 55%, #132050 100%); color: #dbe3ff; }
.section-dark h2, .section-dark h3, .section-dark h4, .section-dark h5 { color: #fff; }

.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-5 { grid-template-columns: repeat(5, 1fr); }
.g-6 { grid-template-columns: repeat(6, 1fr); }

.row { display: flex; gap: 16px; align-items: center; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.wrap { flex-wrap: wrap; }
.center { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }

/* ---------- 排版工具 ---------- */
.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 13px; border-radius: 999px;
  background: var(--brand-50); color: var(--brand-700);
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand-500); }
.section-dark .eyebrow { background: rgba(255,255,255,.1); color: #c7d3ff; }
.section-dark .eyebrow::before { background: var(--mint-500); }

.section-head h2 { font-size: 34px; margin-top: 14px; letter-spacing: -.01em; }
.section-head p { margin-top: 12px; color: var(--ink-600); font-size: 16px; }
.section-dark .section-head p { color: #a9b6e4; }

.h-xl { font-size: 46px; line-height: 1.22; letter-spacing: -.02em; }
.h-lg { font-size: 30px; }
.h-md { font-size: 21px; }
.text-muted { color: var(--ink-600); }
.text-faint { color: var(--ink-500); }
.text-sm { font-size: 13.5px; }
.text-xs { font-size: 12.5px; }
.text-brand { color: var(--brand-600); }
.text-mint { color: var(--mint-600); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 10px;
  font-size: 15px; font-weight: 600; line-height: 1.4;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.btn:active { transform: translateY(1px) scale(.995); }

.btn-primary { background: var(--brand-600); color: #fff; box-shadow: var(--sh-brand); }
.btn-primary:hover { background: var(--brand-700); color: #fff; transform: translateY(-1px); box-shadow: 0 14px 32px rgba(43,71,214,.34); }

.btn-mint { background: var(--mint-500); color: #fff; box-shadow: 0 10px 26px rgba(18,183,154,.28); }
.btn-mint:hover { background: var(--mint-600); color: #fff; transform: translateY(-1px); }

.btn-outline { background: #fff; color: var(--brand-700); border-color: var(--brand-300); }
.btn-outline:hover { background: var(--brand-50); border-color: var(--brand-500); color: var(--brand-700); }

.btn-ghost { background: transparent; color: var(--ink-700); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-soft); border-color: var(--ink-400); color: var(--ink-900); }

.btn-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.24); backdrop-filter: blur(6px); }
.btn-light:hover { background: rgba(255,255,255,.2); color: #fff; }

.btn-lg { padding: 14px 30px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 7px 14px; font-size: 13.5px; border-radius: 8px; }
.btn-block { width: 100%; }

.btn-icon { width: 38px; height: 38px; padding: 0; border-radius: 10px; }

/* ---------- 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--brand-300); }
.card-flat { box-shadow: none; }

.card-title { display: flex; align-items: center; gap: 11px; font-size: 17px; margin-bottom: 9px; }
.card-title h5 { font-size: 17px; }

.icon-badge {
  flex: none; display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--brand-50); color: var(--brand-600);
}
.icon-badge svg { width: 22px; height: 22px; }
.icon-badge.mint { background: var(--mint-50); color: var(--mint-600); }
.icon-badge.amber { background: var(--amber-50); color: var(--amber-500); }
.icon-badge.rose { background: var(--rose-50); color: var(--rose-500); }
.icon-badge.lg { width: 52px; height: 52px; border-radius: 14px; }
.icon-badge.lg svg { width: 26px; height: 26px; }

/* ---------- 徽标 / 标签 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; line-height: 1.6;
  background: var(--bg-mute); color: var(--ink-600);
}
.badge-brand { background: var(--brand-50); color: var(--brand-700); }
.badge-mint { background: var(--mint-50); color: var(--mint-600); }
.badge-amber { background: var(--amber-50); color: #b9770e; }
.badge-rose { background: var(--rose-50); color: #c9334b; }

.tag {
  display: inline-block; padding: 5px 12px; border-radius: 8px;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--ink-600); font-size: 13px; transition: all var(--t-fast);
}
.tag:hover { background: var(--brand-50); border-color: var(--brand-300); color: var(--brand-700); }

/* ---------- 顶部工具条 ---------- */
.topbar {
  background: var(--ink-900); color: #c3cbe0;
  font-size: 13px; height: var(--topbar-h);
  display: flex; align-items: center;
  position: relative; z-index: 60;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.topbar a { color: #c3cbe0; }
.topbar a:hover { color: #fff; }
.topbar-links { display: flex; align-items: center; gap: 4px; }
.topbar-links a { padding: 4px 10px; border-radius: 6px; transition: background var(--t-fast); }
.topbar-links a:hover { background: rgba(255,255,255,.08); }
.topbar-sep { width: 1px; height: 14px; background: rgba(255,255,255,.16); margin: 0 4px; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.topbar-actions .btn { padding: 5px 13px; font-size: 12.5px; border-radius: 7px; }

/* ---------- 主导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--t);
}
.site-header.is-stuck { box-shadow: 0 4px 20px rgba(13,20,36,.08); }

.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand:hover { color: inherit; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: block; overflow: hidden;
  box-shadow: 0 4px 12px rgba(13,20,36,.18);
}
.brand-logo { display: block; width: 100%; height: 100%; object-fit: cover; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 18px; font-weight: 800; color: var(--ink-900); letter-spacing: -.01em; }
.brand-sub { font-size: 10.5px; color: var(--ink-400); letter-spacing: .1em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: flex; align-items: center; gap: 5px;
  padding: 9px 15px; border-radius: 9px;
  color: var(--ink-700); font-size: 15px; font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
}
.main-nav > li > a:hover { background: var(--bg-soft); color: var(--brand-700); }
.main-nav > li > a.is-active { color: var(--brand-700); background: var(--brand-50); font-weight: 600; }
.main-nav .caret { width: 10px; height: 10px; opacity: .55; transition: transform var(--t-fast); }
.main-nav > li:hover .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 232px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--sh-2);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
}
.dropdown::before { content: ""; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.main-nav > li:hover > .dropdown,
.main-nav > li:focus-within > .dropdown { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 9px; color: var(--ink-700); font-size: 14px;
}
.dropdown a:hover { background: var(--brand-50); color: var(--brand-700); }
.dropdown a svg { width: 17px; height: 17px; flex: none; color: var(--brand-500); }
.dropdown .dd-desc { display: block; font-size: 12px; color: var(--ink-400); font-weight: 400; }
.dropdown-divider { height: 1px; background: var(--line-soft); margin: 6px 4px; }

.nav-cta { display: flex; align-items: center; gap: 9px; flex: none; }
.mobile-cta { display: none; }

.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; }
.nav-toggle span { position: relative; display: block; width: 19px; height: 2px; background: var(--ink-800); border-radius: 2px; transition: var(--t-fast); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 19px; height: 2px; background: var(--ink-800); border-radius: 2px; transition: var(--t-fast); }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 页脚 ---------- */
.site-footer { background: #0c1428; color: #97a2bd; font-size: 14px; }
.site-footer a { color: #97a2bd; }
.site-footer a:hover { color: #fff; }

.footer-main { padding: 56px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }

.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: #5f6b8a; }
.footer-desc { margin-top: 16px; color: #8b96b3; line-height: 1.85; max-width: 320px; }

.footer-socials { display: flex; gap: 9px; margin-top: 20px; flex-wrap: wrap; }
.footer-socials a {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
  transition: all var(--t-fast);
}
.footer-socials a:hover { background: var(--brand-600); border-color: var(--brand-600); color: #fff; transform: translateY(-2px); }
.footer-socials svg { width: 17px; height: 17px; }

.footer-col h5 { color: #fff; font-size: 14.5px; margin-bottom: 16px; letter-spacing: .02em; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { display: inline-block; }

.footer-contact-grid { margin-top: 24px; align-items: start; }
.footer-contact-card {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding: 12px 14px; margin-bottom: 0;
}
.footer-contact-card h6 {
  color: #fff; font-size: 14px; margin: 0 0 6px; font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
/* h6 内嵌了图标 svg，必须显式给尺寸：
   style.css 顶部有 img,svg,video{display:block;max-width:100%}，
   而这两个图标只有 viewBox（viewBox="0 0 24 24" 是正方形）没有 width/height，
   不限定尺寸时会被 display:block + 撑满父宽，方块比例下高度=卡片宽度（约 539px），
   把 h6 顶到 556px 高，整个卡片就被撑成巨型卡片。 */
.footer-contact-card h6 svg { width: 16px; height: 16px; flex: none; }
.footer-contact-card p { font-size: 12.5px; color: #7d88a5; line-height: 1.45; }
.footer-contact-card .hotline { font-size: 17px; color: #fff; font-weight: 700; letter-spacing: .01em; }
.footer-contact-card .mt-16 { margin-top: 8px; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; font-size: 12.5px; color: #6d7893; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; justify-content: space-between; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-legal a { color: #6d7893; }
.footer-legal a:hover { color: #cdd6ec; }

.footer-partners { display: flex; flex-wrap: wrap; gap: 8px 16px; padding-bottom: 26px; font-size: 13px; }
.footer-partners span { color: #6d7893; flex: none; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, #f7f9ff 0%, #eef2ff 42%, #e8f6f2 100%);
  padding: 72px 0 84px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-bg .blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; }
.hero-bg .b1 { width: 460px; height: 460px; background: #b9c6ff; top: -160px; right: -100px; }
.hero-bg .b2 { width: 380px; height: 380px; background: #a8ecdc; bottom: -170px; left: -110px; opacity: .45; }
.hero-grid-lines {
  position: absolute; inset: 0; opacity: .35;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 78%);
}

.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: 46px; line-height: 1.24; letter-spacing: -.02em; margin-top: 18px; }
.hero-copy h1 .hl {
  background: linear-gradient(120deg, var(--brand-600), var(--mint-600));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede { margin-top: 18px; font-size: 17px; color: var(--ink-600); max-width: 520px; line-height: 1.85; }

.hero-price-line { display: flex; align-items: baseline; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.hero-price-line .from { font-size: 14px; color: var(--ink-500); }
.hero-price-line .amount { font-size: 34px; font-weight: 800; color: var(--brand-700); letter-spacing: -.02em; }
.hero-price-line .unit { font-size: 14px; color: var(--ink-500); }
.hero-price-line .free { font-size: 13px; color: var(--mint-600); font-weight: 600; background: var(--mint-50); padding: 3px 10px; border-radius: 999px; }

.hero-ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.download-btn {
  position: relative; display: inline-flex; align-items: center; gap: 11px;
  padding: 12px 20px; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--sh-1);
  text-align: left; transition: all var(--t);
}
.download-btn:hover { transform: translateY(-2px); box-shadow: var(--sh-2); border-color: var(--brand-300); }
.download-btn .db-icon { width: 30px; height: 30px; flex: none; color: var(--ink-800); }
.download-btn .db-icon svg { width: 30px; height: 30px; }
.download-btn .db-label { display: block; font-size: 15px; font-weight: 700; color: var(--ink-900); line-height: 1.3; }
.download-btn .db-hint { display: block; font-size: 12px; color: var(--ink-500); }

.hero-trust { display: flex; gap: 22px; margin-top: 30px; flex-wrap: wrap; }
.hero-trust div { display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--ink-600); }
.hero-trust svg { width: 16px; height: 16px; color: var(--mint-500); flex: none; }

/* Hero 右侧视觉：手机模型 */
.hero-visual { position: relative; display: grid; place-items: center; }
.phone {
  position: relative; width: 292px; padding: 12px;
  background: #0d1424; border-radius: 40px;
  box-shadow: var(--sh-3), 0 0 0 1px rgba(255,255,255,.1) inset;
}
.phone-notch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 104px; height: 24px; background: #0d1424; border-radius: 0 0 14px 14px; z-index: 3; }
.phone-screen { border-radius: 30px; overflow: hidden; background: #fff; aspect-ratio: 9 / 18.4; display: flex; flex-direction: column; }
.ps-status { height: 34px; background: var(--brand-600); flex: none; }
.ps-head { background: linear-gradient(135deg, var(--brand-600), var(--brand-700)); color: #fff; padding: 6px 18px 20px; flex: none; }
.ps-head .ps-title { font-size: 12.5px; opacity: .82; }
.ps-head .ps-balance { font-size: 27px; font-weight: 800; letter-spacing: -.01em; margin-top: 2px; }
.ps-head .ps-meta { display: flex; gap: 14px; margin-top: 12px; font-size: 11px; opacity: .85; }
.ps-body { flex: 1; padding: 14px; background: var(--bg-soft); display: flex; flex-direction: column; gap: 9px; overflow: hidden; }
.ps-row { background: #fff; border-radius: 10px; padding: 10px 12px; display: flex; align-items: center; gap: 10px; box-shadow: 0 1px 3px rgba(13,20,36,.05); }
.ps-dot { width: 26px; height: 26px; border-radius: 8px; flex: none; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
.ps-row .ps-r-main { font-size: 12px; color: var(--ink-800); font-weight: 600; line-height: 1.35; }
.ps-row .ps-r-sub { font-size: 10.5px; color: var(--ink-400); }
.ps-row .ps-amt { margin-left: auto; font-size: 12.5px; font-weight: 700; flex: none; }
.ps-ok { color: var(--mint-600); } .ps-warn { color: var(--amber-500); }

.float-card {
  position: absolute; background: #fff; border-radius: 13px;
  box-shadow: var(--sh-2); padding: 12px 15px; border: 1px solid var(--line-soft);
  display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ink-800);
  animation: floaty 5.5s ease-in-out infinite;
}
.float-card svg { width: 19px; height: 19px; flex: none; }
.float-card small { display: block; font-weight: 400; font-size: 11.5px; color: var(--ink-500); }
.fc-1 { top: 8%; left: -4%; animation-delay: 0s; }
.fc-2 { bottom: 16%; right: -6%; animation-delay: 1.6s; }
.fc-3 { bottom: 2%; left: 2%; animation-delay: 3s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* ---------- 实时动态滚动条 ---------- */
.ticker-bar { background: #0d1424; color: #b9c4de; overflow: hidden; position: relative; }
.ticker-bar .container { display: flex; align-items: center; gap: 16px; height: 46px; }
.ticker-label { display: flex; align-items: center; gap: 7px; flex: none; font-size: 12.5px; font-weight: 600; color: #fff; }
.ticker-label .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--mint-500); box-shadow: 0 0 0 0 rgba(18,183,154,.6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(18,183,154,0); } 100% { box-shadow: 0 0 0 0 rgba(18,183,154,0); } }
.ticker-viewport { flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 4%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 92%, transparent); }
.ticker-track { display: flex; gap: 40px; width: max-content; animation: ticker-scroll 46s linear infinite; }
.ticker-bar:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: flex; align-items: center; gap: 8px; font-size: 13px; white-space: nowrap; }
.ticker-item .t-co { color: #e2e8f7; font-weight: 500; }
.ticker-item .t-act { color: var(--mint-500); }
.ticker-item .t-time { color: #66718f; font-size: 12px; font-variant-numeric: tabular-nums; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 数据统计带 ---------- */
.stats-band { background: linear-gradient(135deg, var(--brand-700), var(--brand-900)); color: #fff; padding: 46px 0; position: relative; overflow: hidden; }
.stats-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 100% at 85% 0%, rgba(18,183,154,.22), transparent 60%); }
.stats-grid { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.stat { text-align: center; padding: 0 8px; border-right: 1px solid rgba(255,255,255,.14); }
.stat:last-child { border-right: none; }
.stat-num { font-size: 34px; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-num .u { font-size: 16px; font-weight: 600; margin-left: 3px; opacity: .8; }
.stat-label { margin-top: 7px; font-size: 13.5px; color: #b6c2ee; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; position: relative; }
.steps::before {
  content: ""; position: absolute; top: 30px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--brand-300) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.step { position: relative; z-index: 1; text-align: center; padding: 0 6px; }
.step-num {
  width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 18px;
  background: #fff; border: 2px solid var(--brand-100);
  display: grid; place-items: center; color: var(--brand-600);
  box-shadow: var(--sh-1); transition: all var(--t);
}
.step:hover .step-num { border-color: var(--brand-500); transform: translateY(-4px) rotate(-4deg); box-shadow: var(--sh-brand); }
.step-num svg { width: 27px; height: 27px; }
.step-idx { display: inline-block; font-size: 11px; font-weight: 700; color: var(--brand-500); letter-spacing: .12em; margin-bottom: 6px; }
.step h5 { font-size: 16px; margin-bottom: 7px; }
.step p { font-size: 13.5px; color: var(--ink-600); line-height: 1.75; }

/* ---------- 套餐价格 ---------- */
.price-section { background: var(--bg-soft); }
.price-toolbar { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 34px; flex-wrap: wrap; }
.seg { display: inline-flex; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 11px; box-shadow: var(--sh-1); }
.seg button { padding: 8px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; color: var(--ink-600); transition: all var(--t-fast); }
.seg button.is-on { background: var(--brand-600); color: #fff; box-shadow: 0 3px 10px rgba(43,71,214,.28); }

.carousel { position: relative; }
.carousel-viewport { overflow: hidden; border-radius: var(--radius-lg); }
.carousel-track { display: flex; transition: transform .5s var(--ease); }
.carousel-slide { flex: 0 0 100%; min-width: 100%; padding: 4px; }
.slide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.plan {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; display: flex; flex-direction: column; position: relative; overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.plan:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: var(--brand-300); }
.plan.is-featured { border-color: var(--brand-500); box-shadow: var(--sh-3); }
.plan.is-featured::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--brand-500), var(--mint-500));
}
.plan-flag { position: absolute; top: 18px; right: -34px; transform: rotate(45deg); background: var(--brand-600); color: #fff; font-size: 11.5px; font-weight: 700; padding: 5px 40px; letter-spacing: .06em; }

.plan-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.plan-type { font-size: 13px; color: var(--ink-500); font-weight: 600; }
.plan-name { font-size: 23px; font-weight: 800; color: var(--ink-900); margin-top: 4px; letter-spacing: -.01em; }
.plan-cond { font-size: 13px; color: var(--ink-500); margin-top: 6px; }

.plan-price { display: flex; align-items: baseline; gap: 3px; margin: 20px 0 6px; }
.plan-price .cur { font-size: 19px; font-weight: 700; color: var(--brand-700); }
.plan-price .val { font-size: 44px; font-weight: 800; color: var(--brand-700); letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.plan-price .per { font-size: 14px; color: var(--ink-500); margin-left: 3px; }
.plan-annual { font-size: 12.5px; color: var(--mint-600); font-weight: 600; margin-bottom: 18px; }

.plan-feats { border-top: 1px dashed var(--line); padding-top: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.plan-feats li { display: flex; gap: 9px; font-size: 13.5px; color: var(--ink-700); line-height: 1.7; }
.plan-feats li svg { width: 16px; height: 16px; flex: none; margin-top: 4px; color: var(--mint-500); }
.plan-feats li.is-off { color: var(--ink-400); }
.plan-feats li.is-off svg { color: var(--ink-400); }
.plan-feats .feat-note { display: inline; margin-left: 5px; }
.feat-link { font-size: 12px; color: var(--brand-600); border-bottom: 1px dashed var(--brand-300); white-space: nowrap; }
.feat-link:hover { color: var(--brand-700); border-bottom-style: solid; }

.plan-foot { margin-top: 22px; display: flex; gap: 10px; }
.plan-foot .btn { flex: 1; }

.carousel-nav { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 28px; }
.car-arrow {
  width: 40px; height: 40px; border-radius: 50%; background: #fff; border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--ink-600); box-shadow: var(--sh-1);
  transition: all var(--t-fast);
}
.car-arrow:hover:not(:disabled) { background: var(--brand-600); border-color: var(--brand-600); color: #fff; transform: scale(1.06); }
.car-arrow:disabled { opacity: .38; cursor: not-allowed; }
.car-arrow svg { width: 17px; height: 17px; }
.car-dots { display: flex; gap: 8px; }
.car-dots button { width: 8px; height: 8px; border-radius: 999px; background: var(--ink-400); opacity: .35; transition: all var(--t); padding: 0; }
.car-dots button.is-on { width: 26px; opacity: 1; background: var(--brand-600); }

.price-note { margin-top: 26px; text-align: center; font-size: 13px; color: var(--ink-500); }

/* ---------- 跑马灯（用户评价） ---------- */
.marquee { position: relative; overflow: hidden; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, #fff 10%, transparent); }
.marquee::after { right: 0; background: linear-gradient(270deg, #fff 10%, transparent); }
.marquee-track { display: flex; gap: 22px; width: max-content; animation: marquee 52s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

.quote {
  width: 400px; flex: none; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 14px;
  transition: all var(--t);
}
.quote:hover { border-color: var(--brand-300); box-shadow: var(--sh-2); transform: translateY(-3px); }
.quote-mark { color: var(--brand-100); }
.quote-mark svg { width: 30px; height: 30px; }
.quote-body { font-size: 14px; color: var(--ink-700); line-height: 1.9; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.quote-who { display: flex; align-items: center; gap: 11px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 700;
}
.quote-who .q-name { font-size: 13.5px; font-weight: 600; color: var(--ink-900); }
.quote-who .q-meta { font-size: 12px; color: var(--ink-400); }
.stars { display: flex; gap: 2px; margin-left: auto; color: var(--amber-500); }
.stars svg { width: 13px; height: 13px; }

/* ---------- 合作伙伴墙 ---------- */
.partner-wall { display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px; }
.partner {
  height: 74px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  color: var(--ink-500); transition: all var(--t); text-align: center; padding: 6px;
}
.partner:hover { border-color: var(--brand-300); color: var(--brand-700); transform: translateY(-3px); box-shadow: var(--sh-1); }
.partner svg { width: 21px; height: 21px; }
.partner span { font-size: 12.5px; font-weight: 600; line-height: 1.3; }

/* ---------- 承诺横幅 ---------- */
.promise {
  border-radius: var(--radius-lg); padding: 38px 40px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(120deg, #12b79a 0%, #0d9480 45%, #1f35a8 100%);
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.promise::after { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,255,255,.09); top: -160px; right: -70px; }
.promise-copy { position: relative; z-index: 1; max-width: 660px; }
.promise-copy h3 { color: #fff; font-size: 25px; }
.promise-copy p { margin-top: 10px; color: rgba(255,255,255,.88); font-size: 15px; line-height: 1.85; }
.promise .btn { position: relative; z-index: 1; background: #fff; color: var(--mint-600); }
.promise .btn:hover { background: #f2fffb; transform: translateY(-2px); }

/* ---------- 推广位 ---------- */
.promo-banner {
  display: flex; align-items: center; gap: 26px; flex-wrap: wrap;
  background: linear-gradient(110deg, #fff8ec, #fff 55%, #eef7f4);
  border: 1px solid #f2e2c4; border-radius: var(--radius-lg); padding: 30px 34px;
}
.promo-banner .pb-icon { width: 62px; height: 62px; border-radius: 18px; background: var(--amber-50); color: var(--amber-500); display: grid; place-items: center; flex: none; }
.promo-banner .pb-icon svg { width: 32px; height: 32px; }
.promo-banner .pb-copy { flex: 1; min-width: 250px; }
.promo-banner h3 { font-size: 21px; }
.promo-banner p { margin-top: 6px; color: var(--ink-600); font-size: 14.5px; }

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-500); flex-wrap: wrap; }
.breadcrumb a { color: var(--ink-500); }
.breadcrumb a:hover { color: var(--brand-600); }
.breadcrumb .sep { color: var(--ink-400); opacity: .6; }
.breadcrumb .cur { color: var(--ink-800); font-weight: 500; }

/* ---------- 页面头部（子页通用） ---------- */
.page-hero { background: linear-gradient(150deg, #f5f8ff, #eef2ff 60%, #ecf8f4); padding: 46px 0 42px; border-bottom: 1px solid var(--line-soft); }
.page-hero h1 { font-size: 34px; letter-spacing: -.01em; margin-top: 12px; }
.page-hero .ph-lede { margin-top: 12px; color: var(--ink-600); font-size: 16px; max-width: 680px; }
.page-hero .breadcrumb { margin-bottom: 4px; }

/* ---------- 文档布局（侧栏 + 内容） ---------- */
.doc-layout { display: grid; grid-template-columns: 258px 1fr; gap: 40px; align-items: start; }
.doc-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }
.side-block { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.side-block h5 { font-size: 14px; margin-bottom: 12px; color: var(--ink-900); display: flex; align-items: center; gap: 7px; }
.side-block h5 svg { width: 16px; height: 16px; color: var(--brand-500); }

.side-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 9px 12px; border-radius: 9px; color: var(--ink-700); font-size: 14px;
  transition: all var(--t-fast); margin-bottom: 2px;
}
.side-nav a:hover { background: var(--bg-soft); color: var(--brand-700); }
.side-nav a.is-active { background: var(--brand-50); color: var(--brand-700); font-weight: 600; }
.side-nav .cnt { font-size: 11.5px; color: var(--ink-400); background: var(--bg-mute); padding: 1px 7px; border-radius: 999px; }
.side-nav a.is-active .cnt { background: var(--brand-100); color: var(--brand-700); }

.toc a { display: block; padding: 6px 12px; font-size: 13.5px; color: var(--ink-600); border-left: 2px solid var(--line); transition: all var(--t-fast); }
.toc a:hover { color: var(--brand-700); border-left-color: var(--brand-300); background: var(--bg-soft); }
.toc a.is-active { color: var(--brand-700); border-left-color: var(--brand-600); font-weight: 600; background: var(--brand-50); }
.toc a.lvl-3 { padding-left: 24px; font-size: 13px; }

/* ---------- 搜索框 ---------- */
.search-box { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 11px 16px; transition: all var(--t-fast); box-shadow: var(--sh-1); }
.search-box:focus-within { border-color: var(--brand-500); box-shadow: 0 0 0 4px var(--brand-50); }
.search-box svg { width: 18px; height: 18px; color: var(--ink-400); flex: none; }
.search-box input { flex: 1; border: none; outline: none; background: transparent; font-size: 15px; min-width: 0; }
.search-box input::placeholder { color: var(--ink-400); }
.search-box .btn { flex: none; }

.hot-words { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.hot-words .hw-label { font-size: 13px; color: var(--ink-500); flex: none; }

/* ---------- 文章列表 ---------- */
.article-list { display: flex; flex-direction: column; gap: 14px; }
.article-item {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px;
  transition: all var(--t);
}
.article-item:hover { border-color: var(--brand-300); box-shadow: var(--sh-2); transform: translateX(3px); }
.article-item .ai-body { flex: 1; min-width: 0; }
.article-item h4 { font-size: 16.5px; margin-bottom: 7px; }
.article-item h4 a { color: var(--ink-900); }
.article-item:hover h4 a { color: var(--brand-700); }
.article-item .ai-excerpt { font-size: 13.5px; color: var(--ink-600); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-meta { display: flex; align-items: center; gap: 14px; margin-top: 11px; font-size: 12.5px; color: var(--ink-400); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-meta svg { width: 13px; height: 13px; }
.ai-thumb { width: 132px; height: 88px; border-radius: 10px; flex: none; overflow: hidden; background: linear-gradient(135deg, var(--brand-50), var(--mint-50)); display: grid; place-items: center; color: var(--brand-300); }
.ai-thumb svg { width: 34px; height: 34px; }

/* ---------- 分页 ---------- */
.pagination { display: flex; align-items: center; justify-content: center; gap: 7px; margin-top: 38px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 38px; height: 38px; padding: 0 11px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: #fff; color: var(--ink-700);
  font-size: 14px; transition: all var(--t-fast);
}
.pagination a:hover { border-color: var(--brand-500); color: var(--brand-700); background: var(--brand-50); }
.pagination .is-cur { background: var(--brand-600); border-color: var(--brand-600); color: #fff; font-weight: 600; pointer-events: none; }
.pagination .gap { border: none; background: none; color: var(--ink-400); pointer-events: none; }
.pagination svg { width: 15px; height: 15px; }
.pagination .pg-info { border: none; background: none; color: var(--ink-500); font-size: 13px; margin-left: 8px; }

/* ---------- 文章正文 ---------- */
.doc-body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 42px; }
.doc-body h1 { font-size: 29px; letter-spacing: -.01em; }
.doc-meta { display: flex; align-items: center; gap: 16px; margin: 14px 0 26px; padding-bottom: 22px; border-bottom: 1px solid var(--line-soft); font-size: 13px; color: var(--ink-400); flex-wrap: wrap; }
.doc-meta span { display: inline-flex; align-items: center; gap: 5px; }
.doc-meta svg { width: 14px; height: 14px; }

.prose { font-size: 15.5px; line-height: 1.95; color: var(--ink-700); }
.prose h2 { font-size: 21px; margin: 34px 0 14px; padding-left: 13px; border-left: 4px solid var(--brand-500); }
.prose h3 { font-size: 17.5px; margin: 26px 0 11px; color: var(--ink-900); }
.prose p { margin-bottom: 15px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose ul { list-style: disc; } .prose ol { list-style: decimal; }
.prose li { margin-bottom: 8px; line-height: 1.85; }
.prose li::marker { color: var(--brand-500); }
.prose strong { color: var(--ink-900); font-weight: 700; }
.prose a { border-bottom: 1px solid var(--brand-100); }
.prose a:hover { border-bottom-color: var(--brand-500); }
.prose blockquote {
  margin: 20px 0; padding: 15px 20px; border-radius: 0 10px 10px 0;
  background: var(--brand-50); border-left: 4px solid var(--brand-500);
  color: var(--ink-700); font-size: 14.5px;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose code { background: var(--bg-mute); padding: 2px 6px; border-radius: 5px; font-size: 13.5px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--brand-700); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: 30px 0; }
.prose table { margin: 18px 0 22px; font-size: 14px; }

.doc-pager { display: flex; gap: 16px; margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line-soft); }
.doc-pager a {
  flex: 1; padding: 15px 18px; border: 1px solid var(--line); border-radius: 12px;
  transition: all var(--t); min-width: 0;
}
.doc-pager a:hover { border-color: var(--brand-300); background: var(--brand-50); }
.doc-pager .dp-label { font-size: 12px; color: var(--ink-400); display: block; margin-bottom: 4px; }
.doc-pager .dp-title { font-size: 14.5px; font-weight: 600; color: var(--ink-800); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc-pager a:hover .dp-title { color: var(--brand-700); }
.doc-pager .next { text-align: right; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.data-table { font-size: 14px; }
.data-table th, .data-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.data-table thead th { background: var(--bg-soft); color: var(--ink-900); font-weight: 700; font-size: 13.5px; white-space: nowrap; border-bottom: 1px solid var(--line); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #fafbff; }
.data-table td { color: var(--ink-700); }
.data-table .num { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink-900); }
.data-table .price-hi { color: var(--brand-700); font-weight: 700; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; color: var(--ink-800); display: flex; align-items: center; gap: 5px; }
.field label .req { color: var(--rose-500); }
.field .hint { font-size: 12.5px; color: var(--ink-400); }

.input, .select, .textarea {
  width: 100%; padding: 11px 14px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; font-size: 14.5px;
  transition: all var(--t-fast); outline: none;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--ink-400); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--brand-500); box-shadow: 0 0 0 4px var(--brand-50); }
.input::placeholder, .textarea::placeholder { color: var(--ink-400); }
.textarea { resize: vertical; min-height: 108px; line-height: 1.7; }
.select {
  appearance: none; -webkit-appearance: none; padding-right: 38px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23717c96'%3E%3Cpath d='M5.5 7.5L10 12l4.5-4.5' stroke='%23717c96' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 18px;
}
.field-err { border-color: var(--rose-500) !important; }
.err-msg { font-size: 12.5px; color: var(--rose-500); display: none; }
.field.has-err .err-msg { display: block; }

.radio-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 11px; }
.radio-card { position: relative; cursor: pointer; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card .rc-face {
  display: block; padding: 13px 15px; border: 1px solid var(--line); border-radius: 11px;
  background: #fff; transition: all var(--t-fast); text-align: center;
}
.radio-card .rc-title { font-size: 14.5px; font-weight: 600; color: var(--ink-800); display: block; }
.radio-card .rc-sub { font-size: 12px; color: var(--ink-400); display: block; margin-top: 2px; }
.radio-card:hover .rc-face { border-color: var(--brand-300); background: var(--brand-50); }
.radio-card input:checked + .rc-face { border-color: var(--brand-600); background: var(--brand-50); box-shadow: 0 0 0 3px rgba(43,71,214,.12); }
.radio-card input:checked + .rc-face .rc-title { color: var(--brand-700); }
.radio-card input:focus-visible + .rc-face { outline: 2px solid var(--brand-500); outline-offset: 2px; }

.checkbox-line { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--ink-600); cursor: pointer; }
.checkbox-line input { width: 17px; height: 17px; accent-color: var(--brand-600); flex: none; margin-top: 2px; cursor: pointer; }

/* ---------- 计算结果面板 ---------- */
.result-panel {
  border-radius: var(--radius-lg); padding: 30px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-900));
}
.result-panel::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(18,183,154,.18); bottom: -130px; right: -60px; }
.result-panel h4 { color: #fff; font-size: 17px; position: relative; z-index: 1; }
.result-rows { position: relative; z-index: 1; margin-top: 18px; display: flex; flex-direction: column; gap: 13px; }
.result-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 18px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; backdrop-filter: blur(4px); }
.result-row .rr-label { font-size: 13.5px; color: #c3cdf2; }
.result-row .rr-val { font-size: 27px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.result-row .rr-val .cur { font-size: 15px; font-weight: 600; margin-right: 2px; }
.result-row.is-main { background: rgba(18,183,154,.2); border-color: rgba(18,183,154,.4); }
.result-row.is-main .rr-val { color: #7ff0d8; }
.result-foot { position: relative; z-index: 1; margin-top: 18px; font-size: 12.5px; color: #9dabe0; }

/* ---------- 选项卡 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tabs button {
  padding: 12px 20px; font-size: 15px; font-weight: 600; color: var(--ink-500);
  border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap;
  transition: all var(--t-fast);
}
.tabs button:hover { color: var(--brand-700); }
.tabs button.is-on { color: var(--brand-700); border-bottom-color: var(--brand-600); }
.tab-panel { display: none; padding-top: 30px; }
.tab-panel.is-on { display: block; animation: fade-up .35s var(--ease); }
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- 代码块 ---------- */
.code-block { background: #0d1424; border-radius: var(--radius); overflow: hidden; border: 1px solid #1e2942; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 16px; background: #131c33; border-bottom: 1px solid #1e2942; }
.code-head .ch-name { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #8b96b8; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-head .ch-dots { display: flex; gap: 6px; }
.code-head .ch-dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.copy-btn { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 7px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color: #cfd8ef; font-size: 12.5px; transition: all var(--t-fast); }
.copy-btn:hover { background: var(--brand-600); border-color: var(--brand-600); color: #fff; }
.copy-btn svg { width: 13px; height: 13px; }
.code-body { padding: 18px 20px; overflow-x: auto; }
.code-body pre { margin: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13.5px; line-height: 1.85; color: #dbe3f7; white-space: pre; }
.code-body .c-com { color: #5d6b8f; } .code-body .c-str { color: #7ff0d8; }
.code-body .c-key { color: #93a6f7; } .code-body .c-fn { color: #f7c98b; }

/* ---------- 时间轴 / 日历 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--brand-300), var(--mint-500)); border-radius: 2px; }
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 5px; width: 14px; height: 14px;
  border-radius: 50%; background: #fff; border: 3px solid var(--brand-500); box-shadow: 0 0 0 4px var(--brand-50);
}
.tl-item.mint::before { border-color: var(--mint-500); box-shadow: 0 0 0 4px var(--mint-50); }
.tl-item h5 { font-size: 16px; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.tl-item p { margin-top: 6px; font-size: 14px; color: var(--ink-600); line-height: 1.8; }
.tl-date { font-size: 12px; color: var(--ink-400); font-variant-numeric: tabular-nums; }

.calendar { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cal-head { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.cal-head h5 { font-size: 15.5px; }
.cal-nav { display: flex; gap: 6px; }
.cal-nav button { width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; color: var(--ink-600); transition: all var(--t-fast); }
.cal-nav button:hover { background: var(--brand-600); border-color: var(--brand-600); color: #fff; }
.cal-nav svg { width: 14px; height: 14px; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-dow { padding: 10px 4px; text-align: center; font-size: 12px; font-weight: 600; color: var(--ink-500); background: #fff; border-bottom: 1px solid var(--line-soft); }
.cal-day { aspect-ratio: 1; padding: 5px; border-right: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); position: relative; font-size: 13px; color: var(--ink-700); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; transition: background var(--t-fast); }
.cal-day:nth-child(7n) { border-right: none; }
.cal-day.is-out { color: var(--ink-400); opacity: .45; background: #fcfdff; }
.cal-day.is-today { background: var(--brand-50); font-weight: 700; color: var(--brand-700); box-shadow: inset 0 0 0 1.5px var(--brand-300); }
.cal-day.is-due { background: var(--rose-50); color: #c9334b; font-weight: 700; cursor: pointer; }
.cal-day.is-due:hover { background: #ffe2e7; }
.cal-day .due-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--rose-500); }
.cal-day .due-tag { font-size: 9.5px; line-height: 1.2; color: #c9334b; font-weight: 600; }
.cal-legend { display: flex; gap: 18px; padding: 13px 20px; border-top: 1px solid var(--line-soft); font-size: 12.5px; color: var(--ink-500); flex-wrap: wrap; }
.cal-legend span { display: inline-flex; align-items: center; gap: 6px; }
.cal-legend i { width: 10px; height: 10px; border-radius: 3px; display: block; }

/* ---------- 团队 / 资质 ---------- */
.person { text-align: center; }
.person .avatar-lg {
  width: 92px; height: 92px; margin: 0 auto 15px; border-radius: 26px;
  display: grid; place-items: center; color: #fff; font-size: 30px; font-weight: 800;
  box-shadow: var(--sh-2);
}
.person h5 { font-size: 17px; }
.person .p-role { font-size: 13px; color: var(--brand-600); font-weight: 600; margin-top: 3px; }
.person .p-bio { font-size: 13.5px; color: var(--ink-600); margin-top: 10px; line-height: 1.8; }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert {
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff;
  cursor: pointer; transition: all var(--t);
}
.cert:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: var(--brand-300); }
.cert-img { aspect-ratio: 4 / 3; background: linear-gradient(135deg, var(--brand-50), var(--mint-50)); display: grid; place-items: center; color: var(--brand-300); position: relative; }
.cert-img svg { width: 46px; height: 46px; }
.cert-img .zoom { position: absolute; inset: 0; background: rgba(13,20,36,.55); display: grid; place-items: center; color: #fff; opacity: 0; transition: opacity var(--t); }
.cert:hover .cert-img .zoom { opacity: 1; }
.cert-img .zoom svg { width: 26px; height: 26px; }
.cert-cap { padding: 13px 15px; font-size: 13.5px; font-weight: 600; color: var(--ink-800); text-align: center; }

/* ---------- 城市选择 ---------- */
.city-search { max-width: 520px; margin: 0 auto; }
.prov-group { margin-bottom: 30px; }
.prov-group h4 { font-size: 15px; display: flex; align-items: center; gap: 9px; margin-bottom: 14px; padding-bottom: 9px; border-bottom: 1px solid var(--line-soft); }
.prov-group h4 .pg-badge { font-size: 11.5px; color: var(--ink-400); font-weight: 500; }
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(126px, 1fr)); gap: 10px; }
.city-chip {
  padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
  font-size: 13.5px; color: var(--ink-700); text-align: center; transition: all var(--t-fast);
  display: block;
}
.city-chip:hover { border-color: var(--brand-500); background: var(--brand-50); color: var(--brand-700); transform: translateY(-2px); }
.city-chip.is-cur { border-color: var(--brand-600); background: var(--brand-600); color: #fff; font-weight: 600; }
.alpha-index { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 22px; }
.alpha-index a { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--line); display: grid; place-items: center; font-size: 13px; color: var(--ink-600); background: #fff; }
.alpha-index a:hover { border-color: var(--brand-500); color: var(--brand-700); background: var(--brand-50); }
.alpha-index.region-index a { width: auto; padding: 0 15px; }

/* ---------- 认证页 ---------- */
.auth-page { min-height: calc(100vh - var(--header-h) - var(--topbar-h)); display: grid; place-items: center; padding: 56px 24px; background: linear-gradient(150deg, #f5f8ff, #eef2ff 55%, #ecf8f4); position: relative; overflow: hidden; }
.auth-card { width: 100%; max-width: 424px; background: #fff; border-radius: var(--radius-lg); padding: 38px 34px; box-shadow: var(--sh-3); position: relative; z-index: 1; border: 1px solid var(--line-soft); }
.auth-card h1 { font-size: 24px; text-align: center; }
.auth-card .auth-sub { text-align: center; color: var(--ink-500); font-size: 14px; margin-top: 7px; margin-bottom: 26px; }
.auth-alt { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line-soft); text-align: center; font-size: 13.5px; color: var(--ink-500); }
.auth-divider { display: flex; align-items: center; gap: 13px; margin: 24px 0 18px; color: var(--ink-400); font-size: 12.5px; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.qr-scan { display: grid; place-items: center; gap: 12px; padding: 12px 0; }
.qr-box { width: 172px; height: 172px; border-radius: 14px; border: 1px solid var(--line); padding: 11px; background: #fff; position: relative; }
.qr-box svg { width: 100%; height: 100%; }
.qr-scan-hint { font-size: 13px; color: var(--ink-500); }

/* ---------- 模态框 ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100; background: rgba(9, 14, 28, .62);
  backdrop-filter: blur(5px); display: grid; place-items: center; padding: 24px;
  opacity: 0; visibility: hidden; transition: opacity var(--t), visibility var(--t);
}
.modal-backdrop.is-open { opacity: 1; visibility: visible; }
.modal {
  background: #fff; border-radius: var(--radius-lg); max-width: 520px; width: 100%;
  max-height: 86vh; overflow: auto; box-shadow: var(--sh-3);
  transform: translateY(16px) scale(.97); transition: transform var(--t);
  position: relative;
}
.modal-backdrop.is-open .modal { transform: none; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; border-bottom: 1px solid var(--line-soft); }
.modal-head h4 { font-size: 17.5px; }
.modal-close { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; color: var(--ink-500); transition: all var(--t-fast); flex: none; }
.modal-close:hover { background: var(--rose-50); color: var(--rose-500); }
.modal-close svg { width: 17px; height: 17px; }
.modal-body { padding: 24px; }
.modal-foot { padding: 16px 24px; border-top: 1px solid var(--line-soft); display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- 二维码弹层 ---------- */
.qr-modal-body { text-align: center; }
.qr-modal-body .qr-box { margin: 0 auto; width: 210px; height: 210px; }
.qr-modal-body p { margin-top: 16px; color: var(--ink-600); font-size: 14px; }

/* ---------- 提示条 ---------- */
.callout { display: flex; gap: 13px; padding: 15px 18px; border-radius: 12px; font-size: 14px; line-height: 1.8; border: 1px solid; }
.callout svg { width: 19px; height: 19px; flex: none; margin-top: 3px; }
.callout-info { background: var(--brand-50); border-color: var(--brand-100); color: var(--brand-900); }
.callout-info svg { color: var(--brand-600); }
.callout-warn { background: var(--amber-50); border-color: #f6e3bb; color: #8a5a09; }
.callout-warn svg { color: var(--amber-500); }
.callout-ok { background: var(--mint-50); border-color: #bdeee3; color: #0a6b5c; }
.callout-ok svg { color: var(--mint-500); }
.callout-danger { background: var(--rose-50); border-color: #ffd3da; color: #a52b41; }
.callout-danger svg { color: var(--rose-500); }
.callout strong { font-weight: 700; }

/* ---------- Toast ---------- */
.toast-host { position: fixed; top: 22px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 9px; align-items: center; pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: 9px; padding: 11px 20px; border-radius: 11px;
  background: var(--ink-900); color: #fff; font-size: 14px; box-shadow: var(--sh-3);
  animation: toast-in .3s var(--ease);
}
.toast svg { width: 17px; height: 17px; color: var(--mint-500); flex: none; }
.toast.is-out { animation: toast-out .25s var(--ease) forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-12px); } }

/* ---------- 回到顶部 ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 28px; z-index: 40;
  width: 44px; height: 44px; border-radius: 13px; background: #fff; border: 1px solid var(--line);
  box-shadow: var(--sh-2); display: grid; place-items: center; color: var(--ink-600);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: all var(--t);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--brand-600); border-color: var(--brand-600); color: #fff; }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; } .reveal-d4 { transition-delay: .32s; }

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

/* ---------- 分步向导（税务风险体检） ---------- */
.wizard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--sh-1); }

.wiz-progress { display: flex; align-items: center; gap: 14px; padding: 16px 26px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.wiz-progress .bar { flex: 1; height: 6px; border-radius: 999px; background: var(--bg-mute); overflow: hidden; }
.wiz-progress .bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: linear-gradient(90deg, var(--brand-500), var(--mint-500)); transition: width .45s var(--ease); }
.wiz-progress-label { font-size: 12.5px; color: var(--ink-500); font-variant-numeric: tabular-nums; flex: none; }

.wiz-dots { display: flex; align-items: center; gap: 6px; flex: none; }
.wiz-dot { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--bg-mute); color: var(--ink-400); border: 2px solid transparent; transition: all var(--t); }
.wiz-dot.is-on { background: var(--brand-600); color: #fff; box-shadow: 0 0 0 4px var(--brand-50); }
.wiz-dot.is-done { background: var(--mint-50); color: var(--mint-600); border-color: var(--mint-500); }
.wiz-dot.is-done::after { content: "✓"; font-size: 12px; }
.wiz-dot.is-done span { display: none; }

.wiz-body { padding: 32px 30px; min-height: 268px; }
.wiz-step { display: none; animation: fade-up .35s var(--ease); }
.wiz-step.is-on { display: block; }
.wiz-step h4 { font-size: 19px; margin-bottom: 7px; }
.wiz-step .wiz-lede { font-size: 14px; color: var(--ink-500); margin-bottom: 22px; }
.wiz-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 30px; border-top: 1px solid var(--line-soft); background: #fff; flex-wrap: wrap; }
.wiz-foot .wiz-tip { font-size: 12.5px; color: var(--ink-400); }

/* 体检结果 */
.risk-result { display: none; margin-top: 26px; }
.risk-result.is-on { display: block; animation: fade-up .45s var(--ease); }
.risk-score-card {
  border-radius: var(--radius-lg); padding: 32px; color: #fff; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-900));
}
.risk-score-card::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(18,183,154,.16); top: -150px; right: -80px; }
.risk-score { font-size: 68px; font-weight: 800; line-height: 1; letter-spacing: -.03em; position: relative; z-index: 1; font-variant-numeric: tabular-nums; }
.risk-score .of { font-size: 20px; font-weight: 600; opacity: .55; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 60px 20px; color: var(--ink-400); }
.empty svg { width: 52px; height: 52px; margin: 0 auto 14px; color: var(--line); }
.empty p { font-size: 14.5px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; text-align: center; }
  .hero-copy h1 { font-size: 38px; }
  .hero-lede { margin-left: auto; margin-right: auto; }
  .hero-price-line, .hero-ctas, .hero-trust { justify-content: center; }
  .g-5, .g-6 { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .stat:nth-child(3n) { border-right: none; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .steps::before { display: none; }
  .partner-wall { grid-template-columns: repeat(4, 1fr); }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .doc-layout { grid-template-columns: 220px 1fr; gap: 28px; }
}

@media (max-width: 860px) {
  :root { --header-h: 60px; }
  .topbar-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .main-nav {
    position: fixed; top: calc(var(--topbar-h) + var(--header-h)); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; border-bottom: 1px solid var(--line); padding: 14px 20px 22px;
    box-shadow: var(--sh-2); max-height: calc(100vh - var(--topbar-h) - var(--header-h)); overflow-y: auto;
    transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: all var(--t);
  }
  .main-nav.is-open { transform: none; opacity: 1; visibility: visible; pointer-events: auto; }
  .main-nav > li > a { padding: 13px 14px; font-size: 15.5px; border-radius: 10px; justify-content: space-between; }
  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    box-shadow: none; border: none; min-width: 0; padding: 2px 0 6px 14px; display: none;
  }
  .main-nav > li.is-open > .dropdown { display: block; }
  .main-nav > li:hover > .dropdown { transform: none; }
  .mobile-cta { display: flex; gap: 10px; margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
  .mobile-cta .btn { flex: 1; }

  .section { padding: 54px 0; }
  .section-head h2 { font-size: 27px; }
  .h-xl { font-size: 34px; }
  .container { padding: 0 18px; }

  .g-2, .g-3, .g-4, .g-5, .g-6, .form-grid { grid-template-columns: 1fr; }
  .slide-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-right: none; }
  .partner-wall { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-sidebar { position: static; }
  .doc-body { padding: 26px 20px; }
  .doc-body h1 { font-size: 24px; }
  .page-hero h1 { font-size: 27px; }
  .hero { padding: 48px 0 58px; }
  .hero-copy h1 { font-size: 31px; }
  .float-card { display: none; }
  .quote { width: 300px; }
  .promise { padding: 28px 24px; }
  .ai-thumb { display: none; }
  .doc-pager { flex-direction: column; }
  .doc-pager .next { text-align: left; }
  .marquee::before, .marquee::after { width: 36px; }
  .result-row .rr-val { font-size: 22px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 27px; }
  .plan { padding: 24px 20px; }
  .plan-price .val { font-size: 38px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .download-btn { justify-content: center; }
  .quote { width: 264px; }
  .auth-card { padding: 30px 22px; }
}

/* ---------- 打印 ---------- */
@media print {
  .topbar, .site-header, .site-footer, .to-top, .nav-cta, .carousel-nav, .hero-ctas { display: none !important; }
  body { color: #000; font-size: 12pt; }
  .doc-body { border: none; padding: 0; }
  a { color: #000; text-decoration: underline; }
}