/* ============================================================
   Import Trader Toolkit — Site Styles (conversion-focused v2)
   ------------------------------------------------------------
   风格：深海军蓝 Hero + 亮橙 CTA 的转化型落地页；下方浅色卡片区。
   配色：海军蓝 #0b2545 / 深底 #060f1e + 橙 #f2600c
   原则：移动端优先 / 触摸目标 ≥44px / 无外部字体与图片（除产品封面）/ RTL 用逻辑属性
   ============================================================ */

:root {
  --navy: #0b2545;
  --navy-2: #12345e;
  --deep: #060f1e;
  --accent: #f2600c;
  --accent-2: #ff8a3d;
  --accent-soft: #fff3ea;
  --ink: #122033;
  --muted: #5b6472;
  --line: #e4e9f2;
  --navy-soft: #f0f4fa;
  --bg: #f6f8fc;
  --white: #ffffff;
  --max: 1120px;
  --read: 820px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06);
  --shadow: 0 8px 24px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 20px 50px rgba(11, 37, 69, 0.18);
  --header-h: 68px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Helvetica, "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  overflow-wrap: break-word;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

h1, h2, h3, h4 { color: var(--navy); line-height: 1.3; margin: 0 0 12px; font-weight: 800; }
h1 { font-size: 30px; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
p { margin: 0 0 14px; }
a { color: var(--navy); text-decoration: underline; }
strong, b { font-weight: 700; }
ul, ol { margin: 0 0 14px; padding-inline-start: 22px; }
li { margin-bottom: 8px; }

img { max-width: 100%; height: auto; }

/* 内联 SVG 图标 */
.ico {
  width: 1.15em; height: 1.15em;
  display: inline-block; vertical-align: -0.16em;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  flex: 0 0 auto;
}

/* ---------- 布局 ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.skip {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
  background: var(--accent); color: #fff; z-index: 50;
}
.skip:focus { position: static; display: block; width: auto; height: auto; overflow: visible; clip: auto; padding: 12px 16px; }

/* ---------- 页头（深海军蓝，与 Hero 无缝衔接） ---------- */
.site-header {
  background: var(--navy);
  position: sticky; top: 0; z-index: 30;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 16px; min-height: var(--header-h); padding-top: 10px; padding-bottom: 10px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: #fff; text-decoration: none; min-height: 44px; min-width: 0;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  flex: 0 0 auto; width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px; background: var(--accent); color: #fff;
  box-shadow: 0 4px 12px rgba(242, 96, 12, 0.45);
}
.brand-mark .ico { width: 20px; height: 20px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: -0.2px; white-space: nowrap; }
.brand-sub { font-size: 12px; font-weight: 500; color: #a9bdd8; }

.header-right { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; }
.header-nav { display: flex; flex-wrap: wrap; gap: 2px 4px; font-size: 14px; }
.header-nav a {
  color: #cdd9ea; text-decoration: none; min-height: 44px;
  display: inline-flex; align-items: center; padding: 0 10px; border-radius: 8px;
}
.header-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); text-decoration: none; }

/* 页头 CTA 按钮：桌面显示；移动端隐藏（移动端用底部固定 CTA，避免重复） */
.site-header .header-cta { display: none; }
@media (min-width: 900px) { .site-header .header-cta { display: inline-flex; } }

/* 语言下拉 */
.lang-switch { display: flex; align-items: center; min-width: 0; }
.lang-switch select {
  min-height: 42px; max-width: 100%; font-size: 14px; font-family: inherit;
  padding: 6px 10px; border: 1px solid rgba(255, 255, 255, 0.35); border-radius: 8px;
  background: #14355c; color: #fff; cursor: pointer;
}
.lang-switch select:hover { border-color: #fff; }
.lang-switch select option { color: #122033; background: #fff; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 窄屏：页头导航收起（页脚保留全部链接） */
@media (max-width: 860px) { .header-nav { display: none; } }
/* 窄屏：压缩页头，让「品牌 + 语言」保持一行（避免页头变两行占空间） */
@media (max-width: 640px) {
  .brand-name { font-size: 15px; }
  .brand-sub { display: none; }
  .brand-mark { width: 28px; height: 28px; border-radius: 8px; }
  .site-header .wrap { padding: 9px 16px; gap: 6px 8px; }
  .lang-switch select { font-size: 13px; padding: 5px 7px; min-height: 40px; }
}
/* 很小屏（360–375px，如 iPhone SE）：再压一点，保证页头仍是一行 */
@media (max-width: 400px) {
  .brand-name { font-size: 14px; }
  .brand-mark { width: 26px; height: 26px; }
  .site-header .wrap { padding: 9px 14px; }
  .lang-switch select { font-size: 12px; padding: 5px 6px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: linear-gradient(180deg, var(--navy) 0%, #0a2140 52%, var(--deep) 100%);
}
.hero::before {
  content: ""; position: absolute; inset-inline-end: -8%; top: -35%;
  width: 68%; height: 165%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(242, 96, 12, 0.55), rgba(242, 96, 12, 0));
}
.hero::after {
  content: ""; position: absolute; inset-inline-start: -12%; bottom: -45%;
  width: 55%; height: 130%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(43, 108, 255, 0.22), rgba(43, 108, 255, 0));
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.04fr 0.96fr; gap: 44px; align-items: center;
  padding: 52px 0 60px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase;
  color: #ffd2b3; background: rgba(242, 96, 12, 0.16);
  border: 1px solid rgba(242, 96, 12, 0.5); border-radius: 999px;
  padding: 7px 14px; margin-bottom: 18px;
}
.hero h1 {
  color: #fff; font-size: 34px; line-height: 1.16; letter-spacing: -0.6px; margin-bottom: 16px;
}
.hero h1 .hl { color: var(--accent-2); }
.hero .sub { font-size: 17px; color: #c6d3e6; margin-bottom: 24px; max-width: 34em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.hero-bullets {
  list-style: none; padding: 0; margin: 22px 0 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px;
}
.hero-bullets li {
  margin: 0; display: flex; align-items: center; gap: 9px;
  font-size: 14.5px; color: #d7e1f0;
}
.hero-bullets .ico { color: var(--accent-2); width: 18px; height: 18px; stroke-width: 2.6; }

.hero-visual { position: relative; }
.hero-cover {
  display: block; width: 100%; border-radius: 16px;
  box-shadow: var(--shadow-lg); border: 1px solid rgba(255, 255, 255, 0.12);
}
.hero-badge {
  position: absolute; inset-inline-start: -14px; bottom: -18px;
  background: #fff; color: var(--navy); border-radius: 12px;
  padding: 12px 16px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px; font-size: 13px; line-height: 1.3;
}
.hero-badge b { display: block; font-size: 18px; color: var(--accent); line-height: 1.1; }
.hero-badge span { color: var(--muted); }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; padding: 36px 0 42px; }
  .hero-visual { max-width: 520px; margin: 0 auto; width: 100%; order: 2; }
  .hero-copy { order: 1; }
  .hero h1 { font-size: 30px; }
  .hero-badge { inset-inline-start: 8px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .hero-bullets { grid-template-columns: 1fr; }
  .hero-badge { display: none; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 50px; padding: 13px 26px; font-size: 16px; font-weight: 800;
  line-height: 1.2; border-radius: 10px; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 8px 20px rgba(242, 96, 12, 0.35); }
.btn-accent:hover { background: #d94f00; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(242, 96, 12, 0.45); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: #071a33; }
.btn-ghost { background: rgba(255, 255, 255, 0.08); color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); }
.btn-light { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-light:hover { background: var(--navy-soft); }
.btn-sm { min-height: 42px; padding: 9px 18px; font-size: 14.5px; }
.btn-lg { min-height: 56px; padding: 16px 34px; font-size: 17.5px; }
.btn-block { display: flex; width: 100%; }
.btn .ico { width: 19px; height: 19px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; }
@media (max-width: 600px) {
  .btn-row .btn { width: 100%; }
  .btn-lg { min-height: 54px; }
}

/* ---------- 信任条 ---------- */
.trustbar { background: var(--white); border-bottom: 1px solid var(--line); }
.trustbar .wrap {
  display: grid; grid-template-columns: 1.35fr 1fr 1.15fr 1fr; gap: 16px 22px;
  align-items: start;
  padding-top: 20px; padding-bottom: 20px;
}
.trust-item { display: flex; align-items: flex-start; gap: 11px; min-width: 0; }
.trust-icon {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent-soft); color: var(--accent);
}
.trust-icon .ico { width: 21px; height: 21px; }
.trust-text { min-width: 0; }
.trust-text b { display: block; font-size: 14.5px; color: var(--navy); line-height: 1.25; }
.trust-text span { font-size: 12.5px; color: var(--muted); }
@media (max-width: 1040px) { .trustbar .wrap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .trustbar .wrap { grid-template-columns: 1fr; } }

/* ---------- 锚点导航（浅底胶囊，非悬浮） ---------- */
.anchor-nav { padding: 18px 0 2px; }
.anchor-nav ul {
  list-style: none; margin: 0; padding: 0 0 4px;
  display: flex; flex-wrap: nowrap; gap: 8px;
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.anchor-nav ul::-webkit-scrollbar { display: none; }
.anchor-nav li { margin: 0; flex: 0 0 auto; }
.anchor-nav a {
  display: inline-flex; align-items: center; white-space: nowrap; min-height: 44px;
  padding: 0 17px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--white); font-size: 14.5px; font-weight: 600;
  text-decoration: none; color: var(--navy); box-shadow: var(--shadow-sm);
}
.anchor-nav a:hover { background: var(--navy-soft); border-color: #cdd9ea; text-decoration: none; }

/* ---------- 板块外壳 ---------- */
main { padding-bottom: 40px; }
.section { padding: 52px 0; }
.section.tight { padding: 40px 0; }
.section.alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { max-width: var(--read); margin-bottom: 26px; }
.sec-eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 8px;
}
.sec-head h2 { font-size: 27px; letter-spacing: -0.4px; margin-bottom: 8px; }
.sec-head h1 { font-size: 30px; letter-spacing: -0.5px; margin-bottom: 8px; }
.sec-head p { color: var(--muted); font-size: 16px; margin: 0; }
@media (min-width: 720px) { .sec-head h2 { font-size: 30px; } }
.sec-head.center { margin-inline: auto; text-align: center; }

/* 兼容旧标题写法 */
section > h1 { font-size: 30px; margin-bottom: 14px; }
section > h2 { font-size: 26px; margin-bottom: 14px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 22px; margin: 0 0 16px;
}
.card > h2 { font-size: 18px; margin-bottom: 8px; }
.card > h3 { font-size: 17px; margin-bottom: 8px; }
.card p:last-child, .card ul:last-child, .card ol:last-child { margin-bottom: 0; }
.card-fit { background: var(--navy-soft); border-color: #d6e2f2; }
.card-unfit { background: var(--accent-soft); border-color: #f6d9c2; }

.note { font-size: 13.5px; color: var(--muted); margin: 10px 0 0; }
.lead { font-size: 16px; color: var(--muted); }

.notice {
  border-inline-start: 4px solid var(--accent); background: var(--accent-soft);
  border-radius: 8px; padding: 14px 16px; margin: 18px 0; font-size: 15px;
}
.notice strong { color: #a1440a; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 16px; }
.grid-2 > * { min-width: 0; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* 列表 */
ul.check { list-style: none; padding-inline-start: 0; }
ul.check li { position: relative; padding-inline-start: 26px; margin-bottom: 9px; }
ul.check li::before {
  content: ""; position: absolute; inset-inline-start: 2px; top: 0.62em;
  width: 13px; height: 7px; border-inline-start: 2.5px solid var(--navy); border-bottom: 2.5px solid var(--navy);
  transform: rotate(-45deg);
}
ul.no li::before { border: 0; background: var(--accent); height: 2.5px; width: 12px; transform: none; }

/* ---------- 痛点卡片 ---------- */
.pain-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .pain-grid { grid-template-columns: repeat(3, 1fr); } }
.pain-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.pain-card .pico {
  width: 42px; height: 42px; border-radius: 11px; background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.pain-card .pico .ico { width: 22px; height: 22px; }
.pain-card h3 { font-size: 16.5px; margin-bottom: 6px; }
.pain-card p { color: var(--ink); font-size: 15px; margin: 0; }

/* ---------- 模块网格（9 大模块） ---------- */
.modules-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 620px) { .modules-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 940px) { .modules-grid { grid-template-columns: repeat(3, 1fr); } }
.module-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 15px 16px; box-shadow: var(--shadow-sm);
}
.module-num {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(160deg, var(--accent), #d94f00); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
}
.module-name { font-weight: 700; color: var(--navy); font-size: 15px; line-height: 1.3; }

/* ---------- 目录预览 ---------- */
.toc-wrap { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 780px) { .toc-wrap { grid-template-columns: 1fr 1fr; } }
.toc-part {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 18px 20px; margin: 0; box-shadow: var(--shadow-sm);
}
.toc-part h3 { font-size: 15.5px; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.toc-part ul { list-style: none; margin: 0; padding-inline-start: 0; }
.toc-part li {
  position: relative; padding-inline-start: 16px; margin-bottom: 4px;
  line-height: 1.6; color: var(--ink); font-size: 14.5px;
}
.toc-part li::before { content: ""; position: absolute; inset-inline-start: 3px; top: 0.7em; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

/* ---------- 文件树 ---------- */
.tree {
  direction: ltr; text-align: left; font-family: Consolas, "Courier New", monospace;
  font-size: 13.5px; line-height: 1.85; background: var(--deep); color: #fff;
  border-radius: var(--radius); padding: 20px; margin: 18px 0;
  overflow-x: auto; white-space: pre; box-shadow: var(--shadow);
}
.tree-root { color: #fff; font-weight: 700; }
.tree-dir { color: var(--accent-2); }

/* ---------- 价格购买区 ---------- */
.price-wrap { display: grid; grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 880px) { .price-wrap { grid-template-columns: 1.1fr 0.9fr; align-items: start; } }
.price-box {
  background: var(--white); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow-lg); padding: 26px 24px; position: relative; overflow: hidden;
}
.price-box::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: linear-gradient(90deg, var(--navy), var(--accent)); }
.price-line { font-size: 14px; color: var(--muted); margin-bottom: 2px; }
.price-value { font-size: 44px; font-weight: 800; color: var(--navy); line-height: 1.1; margin: 0 0 2px; letter-spacing: -1px; }
.price-usd { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; }
.price-cta { margin: 14px 0; }
.price-trust { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 8px; }
.price-trust li { display: flex; gap: 9px; align-items: flex-start; margin: 0; font-size: 14px; color: var(--ink); }
.price-trust .ico { color: var(--accent); width: 18px; height: 18px; margin-top: 3px; }

.steps-side h3 { font-size: 16px; margin-bottom: 12px; }
ol.steps { list-style: none; padding: 0; margin: 0 0 18px; counter-reset: step; }
ol.steps li { counter-increment: step; position: relative; padding-inline-start: 38px; margin-bottom: 14px; font-size: 14.5px; color: var(--ink); }
ol.steps li::before {
  content: counter(step); position: absolute; inset-inline-start: 0; top: 1px;
  width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff;
  font-size: 13px; font-weight: 800; line-height: 26px; text-align: center;
}

.currency-switch { margin: 16px 0 8px; }
.currency-switch label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.currency-switch select {
  min-height: 48px; font-size: 16px; font-family: inherit; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--ink);
  width: 100%; max-width: 340px;
}

.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0 6px; }
.checkbox-row input[type="checkbox"] { width: 22px; height: 22px; margin: 9px 0 0; flex: 0 0 auto; accent-color: var(--accent); }
.checkbox-row label { display: block; min-height: 44px; padding: 6px 0; font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); padding: 18px 20px; margin: 0 0 12px; }
.faq-item h3, .faq-item h2 { font-size: 16.5px; font-weight: 800; color: var(--navy); margin-bottom: 6px; }
.faq-item p { color: var(--muted); margin-bottom: 0; font-size: 14.5px; }

/* ---------- 多语言请求 ---------- */
.lang-list { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 20px; }
@media (min-width: 720px) { .lang-list { grid-template-columns: 1fr 1fr; } }
.card.lang-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0;
  padding: 16px 18px;
}
.card.lang-row h3 { margin: 0; font-size: 15.5px; font-weight: 800; color: var(--navy); }
.card.lang-row .btn { flex: 0 0 auto; }
@media (max-width: 480px) {
  .card.lang-row { flex-direction: column; align-items: stretch; gap: 10px; }
  .card.lang-row .btn { width: 100%; }
}

/* ---------- 表单 ---------- */
form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 700; font-size: 14.5px; color: var(--navy); margin-bottom: 6px; }
form input[type="email"], form input[type="text"], form textarea {
  width: 100%; min-height: 48px; font-size: 16px; font-family: inherit; line-height: 1.6;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--ink);
}
form textarea { min-height: 120px; resize: vertical; }
form input:focus, form textarea:focus { outline: 2px solid rgba(242, 96, 12, 0.4); border-color: var(--accent); }
.email-box strong { color: var(--navy); font-size: 17px; }
.link-cta { display: inline-block; padding: 10px 0; line-height: 1.6; font-weight: 700; color: var(--accent); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--deep); color: #c7d2e2; padding: 36px 0 30px; font-size: 14.5px; }
.site-footer .wrap { display: grid; grid-template-columns: 1fr; gap: 18px; }
.site-footer h2 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; color: var(--accent-2); }
.site-footer .foot-email { margin: 0 0 6px; color: #c7d2e2; }
.site-footer .copyright { color: #8494ad; font-size: 13px; margin: 0; }
@media (min-width: 760px) { .site-footer .wrap { grid-template-columns: 1.4fr 1fr; align-items: start; } }

/* ---------- 移动端底部固定 CTA ---------- */
.sticky-cta {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 40;
  display: none; align-items: center; gap: 12px;
  background: var(--white); border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(11, 37, 69, 0.12);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  transform: translateY(110%); transition: transform .22s ease;
}
.sticky-cta.show { transform: translateY(0); }
.sticky-price { flex: 0 0 auto; line-height: 1.1; }
.sticky-price b { display: block; font-size: 20px; color: var(--navy); font-weight: 800; }
.sticky-price span { font-size: 11.5px; color: var(--muted); }
.sticky-cta .btn { flex: 1 1 auto; }
@media (max-width: 640px) {
  .sticky-cta { display: flex; }
  body.has-sticky { padding-bottom: 84px; }
  html { scroll-padding-top: 118px; }
}

/* ---------- noscript ---------- */
.noscript {
  background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 8px;
  padding: 12px 16px; margin: 16px 0; font-size: 15px;
}

/* ---------- 计算器动态演示 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .14em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 10px;
}
.calc-demo .demo-grid {
  display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; margin-top: 6px;
}
@media (min-width: 860px) {
  .calc-demo .demo-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); }
}
.demo-media {
  background: linear-gradient(135deg, #0b2545, #123a6b);
  border-radius: 16px; padding: 14px;
  box-shadow: 0 18px 40px rgba(6,15,30,.28);
  max-height: 640px; overflow: auto;
}
.demo-gif {
  display: block; width: 100%; height: auto; border-radius: 10px; background: #fff;
}
.demo-points h3 { font-size: 19px; margin: 0 0 12px; color: var(--deep); }
.checks { list-style: none; padding: 0; margin: 0 0 20px; }
.checks li {
  position: relative; padding: 9px 0 9px 34px;
  border-bottom: 1px solid rgba(6,15,30,.07);
  font-size: 15.5px; color: var(--ink);
}
.checks li::before {
  content: ""; position: absolute; left: 0; top: 11px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 13px no-repeat;
}

/* 页头品牌图标：用真实品牌 logo（白底已烤进图片，夜间模式不会被压暗） */
.brand-mark{background:transparent;box-shadow:none}
.brand-mark img{width:100%;height:100%;display:block;border-radius:9px}