/* ============================================================
   博瑞特官网 v3 · style.css
   设计方向：墨蓝 × 冰青 · 现代工业冷感
   结构：设计令牌 / 基础 / 布局 / 按钮 / 头部 / 抽屉 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 墨蓝主色阶 */
  --navy-950: #040f1c;
  --navy-900: #071a2e;
  --navy-800: #0a2540;
  --navy-700: #0d3358;
  --navy-600: #124c7c;
  /* 冰青强调色阶 */
  --ice-600: #0e93a5;
  --ice-500: #12aebb;
  --ice-400: #1fc3cf;
  --ice-300: #5adfe4;
  --ice-100: #d9f6f7;
  /* 中性 */
  --ink: #0f2336;
  --slate-600: #40576c;
  --slate-500: #5d7386;
  --line: #dee9f0;
  --bg-soft: #f3f8fa;
  --bg-card: #ffffff;
  --white: #ffffff;

  /* 渐变 */
  --grad-hero: linear-gradient(158deg, #03111f 0%, #0a2540 46%, #0d3a58 100%);
  --grad-btn: linear-gradient(135deg, #14bcc8 0%, #0ea5b7 100%);
  --grad-band: linear-gradient(120deg, #0a2540 0%, #0d3358 100%);

  /* 圆角 / 阴影 */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;
  --shadow-1: 0 2px 10px rgba(7, 26, 46, .06);
  --shadow-2: 0 10px 30px rgba(7, 26, 46, .10);

  /* 间距刻度（8px） */
  --sp-1: .5rem;  --sp-2: .75rem; --sp-3: 1rem;  --sp-4: 1.5rem;
  --sp-5: 2rem;   --sp-6: 2.75rem;--sp-7: 4rem;  --sp-8: 5.5rem;

  /* 字号 */
  --fs-12: .75rem;  --fs-13: .8125rem; --fs-14: .875rem; --fs-15: .9375rem;
  --fs-16: 1rem;    --fs-18: 1.125rem; --fs-20: 1.25rem; --fs-24: 1.5rem;
  --fs-32: 2rem;    --fs-40: 2.5rem;   --fs-52: 3.25rem;

  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --header-h: 76px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg-card);
}
h1, h2, h3, h4 { line-height: 1.3; margin: 0 0 .5em; font-weight: 700; color: var(--ink); }
h1 { font-size: clamp(1.7rem, 3.6vw, var(--fs-52)); letter-spacing: .01em; }
h2 { font-size: clamp(1.35rem, 2.6vw, var(--fs-40)); }
h3 { font-size: var(--fs-20); }
h4 { font-size: var(--fs-16); }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
a { color: var(--ice-600); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--navy-700); }
img, svg { vertical-align: middle; }
svg { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
address { font-style: normal; }
em { font-style: normal; color: var(--ice-600); }
strong { font-weight: 700; }
time { font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }
::selection { background: var(--ice-100); color: var(--navy-900); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--navy-900); color: #fff; padding: .6rem 1.2rem; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

.container { width: min(1180px, 92%); margin-inline: auto; }

.section { padding-block: var(--sp-8); }
.section--tint { background: var(--bg-soft); }
.section--band {
  background: var(--grad-band); color: #dcebf5;
}
.section--band h1, .section--band h2, .section--band h3 { color: #fff; }

.section-head { max-width: 720px; margin-bottom: var(--sp-6); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--left { max-width: 760px; }
.section-head h2 { margin-bottom: .35em; }
.section-sub { color: var(--slate-600); font-size: var(--fs-16); margin: 0; }
.section--band .section-sub { color: #a9c4d6; }

/* eyebrow 眉标 */
.eyebrow {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: var(--fs-13); font-weight: 700; letter-spacing: .14em;
  color: var(--ice-600); text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.eyebrow svg { width: 1em; height: 1em; }
.eyebrow::after { content: ""; width: 34px; height: 2px; background: var(--ice-400); border-radius: 2px; }
.section--band .eyebrow { color: var(--ice-300); }

/* ---------- 网格 ---------- */
.grid { display: grid; gap: var(--sp-4); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--2-1 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: start; gap: var(--sp-7); }
@media (max-width: 992px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--2-1 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .grid--3, .grid--2, .grid--4, .grid--auto { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: .62rem 1.5rem;
  border: 1px solid transparent; border-radius: var(--r-sm);
  font: inherit; font-weight: 600; font-size: var(--fs-16);
  cursor: pointer; text-align: center; text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease, border-color .16s ease;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn:focus-visible { outline: 3px solid var(--ice-300); outline-offset: 2px; }
.btn--primary { background: var(--grad-btn); color: var(--navy-950); box-shadow: 0 6px 16px rgba(18, 174, 187, .32); }
.btn--primary:hover { color: var(--navy-950); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(18, 174, 187, .4); }
.btn--dark { background: var(--navy-900); color: #fff; }
.btn--dark:hover { color: #fff; background: var(--navy-700); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn--outline { background: transparent; border-color: var(--navy-600); color: var(--navy-700); }
.btn--outline:hover { background: rgba(10, 37, 64, .06); border-color: var(--navy-700); color: var(--navy-800); }
.btn--outline-light { background: transparent; border-color: rgba(255, 255, 255, .65); color: #fff; }
.btn--outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.btn--ghost { background: var(--ice-100); color: var(--navy-800); }
.btn--ghost:hover { background: #bfeef1; color: var(--navy-800); }
.btn--white { background: #fff; color: var(--navy-800); box-shadow: 0 6px 18px rgba(4, 15, 28, .25); }
.btn--white:hover { color: var(--navy-700); transform: translateY(-2px); }
.btn--lg { min-height: 54px; padding: .8rem 1.9rem; font-size: var(--fs-17); }
.btn--block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: var(--sp-3); }

/* 语言切换胶囊 */
.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px; padding: .2rem .85rem;
  border: 1.5px solid var(--ice-500); border-radius: 999px;
  font-size: var(--fs-13); font-weight: 800; letter-spacing: .08em;
  color: var(--ice-600) !important; background: transparent;
  transition: all .18s ease;
}
.lang-switch:hover { background: var(--ice-500); color: #fff !important; }

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--ice-400);
  border-radius: var(--r-sm);
  padding: var(--sp-5);
  box-shadow: var(--shadow-1);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-top-color: var(--navy-600); }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; margin-bottom: var(--sp-4);
  background: linear-gradient(145deg, var(--ice-100), #e7f8f9);
  color: var(--ice-600);
  border-radius: var(--r-md);
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { margin-bottom: .6em; }
.card__text { color: var(--slate-600); margin: 0; font-size: var(--fs-15); }
.card__meta {
  margin: var(--sp-4) 0 0; padding-top: var(--sp-3);
  border-top: 1px dashed var(--line);
  font-size: var(--fs-13); color: var(--navy-600); font-weight: 600;
}

/* 入场动画（JS 添加 .is-in） */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-stuck { box-shadow: 0 4px 18px rgba(7, 26, 46, .08); }
.header-bar { display: flex; align-items: center; gap: var(--sp-4); min-height: var(--header-h); }

.logo { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; margin-right: auto; }
.logo__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; flex: none;
  background: var(--grad-hero); color: var(--ice-300);
  border-radius: var(--r-md);
}
.logo__mark svg { width: 24px; height: 24px; }
.logo__name { display: block; font-size: var(--fs-18); font-weight: 800; color: var(--navy-900); line-height: 1.2; letter-spacing: .04em; }
.logo__slogan { display: block; font-size: var(--fs-10); letter-spacing: .22em; color: var(--slate-500); line-height: 1.5; }

.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  display: inline-block; padding: .55rem .9rem; border-radius: var(--r-sm);
  color: var(--ink); font-size: var(--fs-16); font-weight: 600; position: relative; white-space: nowrap;
}
.nav__link:hover { color: var(--ice-600); background: var(--bg-soft); }
.nav__link[aria-current="page"] { color: var(--ice-600); }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: .9rem; right: .9rem; bottom: .2rem;
  height: 2px; background: var(--ice-400); border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: var(--sp-3); }
.header-tel {
  display: inline-flex; align-items: center; gap: .45rem;
  min-height: 44px; padding-inline: .4rem;
  color: var(--navy-800) !important; font-weight: 800; font-size: var(--fs-16);
}
.header-tel svg { color: var(--ice-500); width: 1.15em; height: 1.15em; }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 48px; height: 48px; border: 1px solid var(--line); border-radius: var(--r-sm);
  background: #fff; color: var(--navy-800); cursor: pointer;
}
.nav-toggle svg { width: 26px; height: 26px; }
.nav-toggle .i-close { display: none; }
.nav-toggle[aria-expanded="true"] .i-open { display: none; }
.nav-toggle[aria-expanded="true"] .i-close { display: inline; }

/* 移动抽屉 */
body.is-locked { overflow: hidden; }
.scrim {
  position: fixed; inset: 0; z-index: 95; background: rgba(4, 15, 28, .5);
  opacity: 0; visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.scrim.is-open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; inset: 0 auto 0 0; z-index: 100; width: min(340px, 86vw);
  background: #fff; padding: var(--sp-5); overflow-y: auto;
  transform: translateX(-102%); transition: transform .3s ease;
  display: flex; flex-direction: column; gap: var(--sp-4);
  box-shadow: 6px 0 30px rgba(4, 15, 28, .18);
}
.drawer.is-open { transform: none; }
.drawer__link {
  display: block; padding: .8rem .4rem; border-bottom: 1px solid var(--line);
  color: var(--ink); font-size: var(--fs-18); font-weight: 600;
}
.drawer__link:hover { color: var(--ice-600); padding-left: .8rem; }
.drawer__tel {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--navy-800) !important; font-weight: 800; font-size: var(--fs-18);
}
.drawer__cta { display: flex; flex-direction: column; gap: var(--sp-3); margin-top: var(--sp-3); align-items: stretch; }
.drawer__cta .lang-switch { align-self: flex-start; }

@media (max-width: 1080px) {
  .nav { display: none; }
  .logo__slogan { display: none; }
  .header-tel span { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn { display: none; }
}
@media (min-width: 1081px) {
  .header-actions .lang-switch { margin-right: .4rem; }
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--grad-hero); color: #b7cddc; margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: var(--sp-6);
  padding-block: var(--sp-7) var(--sp-5);
}
.site-footer h4 { color: #fff; font-size: var(--fs-16); margin-bottom: var(--sp-4); position: relative; padding-bottom: .6rem; }
.site-footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 26px; height: 2px; background: var(--ice-400); }
.footer__list li { margin-bottom: .65rem; }
.footer__list a { color: #b7cddc; }
.footer__list a:hover { color: var(--ice-300); }
.footer__contact li { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .9rem; }
.footer__contact svg { color: var(--ice-400); flex: none; margin-top: .3rem; }
.footer__contact a { color: var(--ice-300); }
.footer__intro p { color: #9db6c7; font-size: var(--fs-15); }
.site-footer .logo__name { color: #fff; }
.site-footer .logo__slogan { color: #7fa0b8; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-block: var(--sp-4);
  display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between;
  font-size: var(--fs-13); color: #7fa0b8;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  width: 48px; height: 48px; border: none; border-radius: var(--r-md);
  background: var(--navy-900); color: #fff; cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s ease;
  box-shadow: var(--shadow-2);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--navy-700); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- 信任条 ---------- */
.trust-bar { background: var(--grad-band); color: #dcebf5; }
.trust-bar ul { display: flex; flex-wrap: wrap; gap: .6rem 2.4rem; justify-content: space-between; padding-block: 1rem; }
.trust-bar li { display: inline-flex; align-items: center; gap: .6rem; font-size: var(--fs-15); font-weight: 600; }
.trust-bar svg { color: var(--ice-300); width: 1.2em; height: 1.2em; }
@media (max-width: 900px) { .trust-bar ul { justify-content: flex-start; } }

/* ---------- 勾选清单 ---------- */
.check-list li { display: flex; gap: .6rem; margin-bottom: .7rem; color: var(--slate-600); align-items: flex-start; }
.check-list svg { color: var(--ice-500); flex: none; width: 1.3em; height: 1.3em; margin-top: .2rem; }
.check-list b { color: var(--navy-800); }

/* ---------- 表单 ---------- */
.form { display: grid; gap: var(--sp-4); }
.form-status {
  display: none; align-items: center; gap: .6rem;
  padding: .85rem 1rem; border-radius: var(--r-sm); font-size: var(--fs-15);
}
.form-status.is-show { display: flex; }
.form-status--ok { background: #e3f7ec; color: #0c6b46; border: 1px solid #b5e6cb; }
.form-status--ok svg { width: 1.2em; height: 1.2em; flex: none; }
.form-status--err { background: #fdeaea; color: #b3261e; border: 1px solid #f5c6c2; }
.field { display: grid; gap: .45rem; }
.field label { font-weight: 600; font-size: var(--fs-15); color: var(--ink); }
.req { color: #e5484d; }
.field input[type="text"], .field input[type="tel"], .field input[type="email"], .field select, .field textarea {
  width: 100%; min-height: 48px; padding: .6rem .9rem;
  border: 1.5px solid var(--line); border-radius: var(--r-sm);
  font: inherit; font-size: var(--fs-16); color: var(--ink);
  background: #fff; transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--navy-600) 50%), linear-gradient(135deg, var(--navy-600) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ice-500); box-shadow: 0 0 0 3px rgba(31, 195, 207, .18);
}
.field input.has-error, .field select.has-error, .field textarea.has-error { border-color: #e5484d; }
.field__error { color: #d1332a; font-size: var(--fs-13); min-height: 1.2em; }
.field input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--ice-500); }
.form__note { font-size: var(--fs-13); color: var(--slate-500); margin: 0; text-align: center; }

/* ---------- Tab（含 ARIA） ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: var(--sp-5); border-bottom: 2px solid var(--line); }
.tabs__btn {
  appearance: none; border: none; background: transparent; cursor: pointer;
  padding: .85rem 1.25rem; font: inherit; font-weight: 700; font-size: var(--fs-16);
  color: var(--slate-600); border-bottom: 3px solid transparent; margin-bottom: -2px;
  display: inline-flex; align-items: center; gap: .5rem;
  transition: color .16s ease, border-color .16s ease;
}
.tabs__btn:hover { color: var(--navy-800); }
.tabs__btn[aria-selected="true"] { color: var(--ice-600); border-bottom-color: var(--ice-400); }
.tabs__btn:focus-visible { outline: 3px solid var(--ice-300); outline-offset: -2px; border-radius: var(--r-sm); }
.tab-panel { animation: fadeIn .35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 数据统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: var(--sp-4); text-align: center; }
.stat__num {
  display: block; font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1;
  color: var(--navy-800); font-variant-numeric: tabular-nums;
}
.section--band .stat__num { color: var(--ice-300); }
.stat__label { display: block; margin-top: .3rem; color: var(--slate-500); font-size: var(--fs-14); }
.section--band .stat__label { color: #a9c4d6; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); background: #fff; box-shadow: var(--shadow-1); }
table.data { width: 100%; border-collapse: collapse; font-size: var(--fs-15); min-width: 640px; }
/* 键值对表（工商登记等）：窄栏内不强制横滚，值自然换行 */
table.data--kv { min-width: 0; width: 100%; }
.data--kv th, .data--kv td { padding: .65rem .9rem; font-size: var(--fs-14); overflow-wrap: anywhere; }
.data--kv tbody th { width: 6.5em; white-space: normal; }
.data caption { caption-side: top; text-align: left; padding: .9rem 1.2rem; font-weight: 700; color: var(--navy-800); background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.data th, .data td { padding: .85rem 1.2rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.data thead th { background: var(--navy-900); color: #fff; font-weight: 600; white-space: nowrap; }
.data tbody tr:last-child th, .data tbody tr:last-child td { border-bottom: none; }
.data tbody th { color: var(--navy-800); font-weight: 700; white-space: nowrap; }
.data tbody tr:nth-child(even) { background: var(--bg-soft); }
.data a { color: var(--ice-600); }

/* ---------- 资质格 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-3); }
.cert {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  text-align: center; padding: var(--sp-5) var(--sp-3);
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  font-size: var(--fs-14); font-weight: 600; color: var(--navy-800); line-height: 1.5;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.cert svg { width: 30px; height: 30px; color: var(--ice-500); }
.cert:hover { transform: translateY(-3px); border-color: var(--ice-300); box-shadow: var(--shadow-2); }

/* ---------- 联系信息条目 ---------- */
.contact-item { display: flex; gap: var(--sp-3); margin-bottom: var(--sp-5); align-items: flex-start; }
.contact-item__icon {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 48px; height: 48px; background: linear-gradient(145deg, var(--ice-100), #eefafb);
  color: var(--ice-600); border-radius: var(--r-md);
}
.contact-item__icon svg { width: 22px; height: 22px; }
.contact-item h3 { font-size: var(--fs-16); margin-bottom: .2rem; }
.contact-item p { margin: 0; color: var(--slate-600); font-size: var(--fs-15); }
.contact-item a { color: var(--navy-800); font-weight: 700; }
.contact-item a:hover { color: var(--ice-600); }

/* 标签 chips */
.chip-list { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: var(--sp-4); }
.chip {
  display: inline-block; padding: .2rem .8rem; border-radius: 999px;
  background: var(--ice-100); color: var(--navy-700);
  font-size: var(--fs-13); font-weight: 600;
}
.tag {
  display: inline-block; padding: .25rem .85rem;
  background: var(--navy-900); color: var(--ice-300);
  font-size: var(--fs-13); font-weight: 700; letter-spacing: .05em;
  border-radius: var(--r-sm);
}

/* CTA 大色带 */
.cta-band {
  background: var(--grad-hero); position: relative; overflow: hidden;
  padding-block: var(--sp-7); text-align: center; color: #dcebf5;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(560px 300px at 18% 20%, rgba(31, 195, 207, .18), transparent 60%),
              radial-gradient(500px 280px at 85% 90%, rgba(18, 174, 187, .14), transparent 60%);
  pointer-events: none;
}
.cta-band .container { position: relative; }
.cta-band h2 { color: #fff; max-width: 780px; margin-inline: auto; }
.cta-band p { color: #a9c4d6; max-width: 620px; margin-inline: auto; }
.cta-band .btn-group { justify-content: center; margin-top: var(--sp-5); }

@media (max-width: 760px) {
  .section { padding-block: var(--sp-7); }
}