/* ============================================================
   湖南潇湘智擎科技有限公司 · 官方网站
   ZenEngine — Design System
   Brand gradient extracted from logo: #00C0C0 → #0890D8
   ============================================================ */

:root {
  /* Brand */
  --brand-teal: #00B9C4;
  --brand-blue: #0890D8;
  --brand-deep: #1E5FD8;
  --brand-grad: linear-gradient(135deg, #00C0C0 0%, #0898D0 55%, #1E6FE0 100%);
  --brand-grad-soft: linear-gradient(135deg, #E6FAFB 0%, #EAF3FD 60%, #EEF2FE 100%);

  /* Ink */
  --ink: #0B1B33;
  --ink-2: #2C3E57;
  --muted: #6B7C93;
  --muted-2: #94A3B8;
  --line: #E6ECF3;
  --line-2: #F0F4F9;

  /* Surfaces */
  --white: #FFFFFF;
  --bg-soft: #F6F9FC;
  --bg-deep: #081527;

  /* Shape */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Shadow */
  --sh-sm: 0 2px 10px rgba(11, 27, 51, .05);
  --sh-md: 0 8px 28px rgba(11, 27, 51, .08);
  --sh-lg: 0 18px 48px rgba(11, 27, 51, .12);
  --sh-brand: 0 10px 30px rgba(8, 144, 216, .22);

  /* Layout */
  --container: 1200px;
  --nav-h: 68px;

  /* Type */
  --font: "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--ink-2);
  line-height: 1.7;
  min-width: 320px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; -webkit-user-drag: none; user-select: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }

h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.3; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 64px 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Section heading ---------------- */
.sec-head { text-align: center; max-width: 780px; margin: 0 auto 52px; }
.sec-head__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  color: var(--brand-blue); background: rgba(8, 144, 216, .08);
  border: 1px solid rgba(8, 144, 216, .16);
  padding: 6px 16px; border-radius: var(--r-pill); margin-bottom: 18px;
}
.sec-head__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-grad); box-shadow: 0 0 0 3px rgba(8, 144, 216, .14);
}
.sec-head h2 { font-size: 38px; letter-spacing: .5px; margin-bottom: 14px; }
.sec-head p { font-size: 16px; color: var(--muted); }
.sec-head--left { text-align: left; margin-left: 0; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px; cursor: pointer; border: none;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn--primary { background: var(--brand-grad); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(8, 144, 216, .32); }
.btn--outline { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn--outline:hover { border-color: var(--brand-blue); color: var(--brand-blue); background: rgba(8, 144, 216, .04); }
.btn--ghost { background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .28); backdrop-filter: blur(8px); }
.btn--ghost:hover { background: rgba(255, 255, 255, .2); }
.btn--sm { padding: 9px 20px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------------- Navigation ---------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 18px rgba(11, 27, 51, .05); }
.nav__inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav__logo { display: flex; align-items: center; height: 40px; }
.nav__logo img { height: 36px; width: auto; max-width: 190px; }
.nav__menu { display: flex; align-items: center; gap: 4px; }
.nav__menu a {
  position: relative; padding: 8px 16px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 500; color: var(--ink-2); transition: color .2s ease, background .2s ease;
}
.nav__menu a:hover { color: var(--brand-blue); background: rgba(8, 144, 216, .06); }
.nav__menu a.is-active { color: var(--brand-blue); font-weight: 600; }
.nav__menu a.is-active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--brand-grad);
}
.nav__cta { display: flex; align-items: center; gap: 10px; }
.nav__toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav__toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 99;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 12px 24px 24px; box-shadow: var(--sh-md);
  transform: translateY(-120%); visibility: hidden; pointer-events: none;
  transition: transform .35s cubic-bezier(.4, 0, .2, 1), visibility .35s;
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.mobile-menu.is-open { transform: translateY(0); visibility: visible; pointer-events: auto; }
.mobile-menu a { display: block; padding: 13px 4px; border-bottom: 1px solid var(--line-2); font-size: 16px; font-weight: 500; }
.mobile-menu a:last-child { border-bottom: none; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, #F0FDFB 0%, #F6FAFE 45%, #EDF4FE 100%);
  padding: calc(var(--nav-h) + 72px) 0 84px;
}
.hero::before {
  content: ""; position: absolute; width: 620px; height: 620px; right: -180px; top: -200px;
  background: radial-gradient(circle, rgba(0, 192, 192, .16) 0%, rgba(0, 192, 192, 0) 68%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; width: 560px; height: 560px; left: -220px; bottom: -240px;
  background: radial-gradient(circle, rgba(8, 144, 216, .14) 0%, rgba(8, 144, 216, 0) 68%);
  pointer-events: none;
}
.hero__grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(8, 144, 216, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 144, 216, .07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 78%);
}
.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px;
  background: rgba(255, 255, 255, .8); border: 1px solid rgba(8, 144, 216, .18);
  border-radius: var(--r-pill); padding: 7px 16px 7px 8px; font-size: 13.5px;
  color: var(--ink-2); box-shadow: var(--sh-sm);
}
.hero__badge b { background: var(--brand-grad); color: #fff; border-radius: var(--r-pill); padding: 3px 11px; font-size: 12px; font-weight: 600; }
.hero h1 { font-size: 46px; letter-spacing: -.5px; margin-bottom: 16px; }
.hero h1 em {
  font-style: normal;
  background: var(--brand-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--brand-blue);
}
.hero__lead { font-size: 17px; color: var(--muted); max-width: 560px; margin-bottom: 14px; }
.hero__lead strong { color: var(--ink); font-weight: 600; }
.hero__points { margin: 24px 0 32px; display: grid; gap: 12px; }
.hero__points li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; }
.hero__points .ck {
  flex: none; width: 20px; height: 20px; margin-top: 4px; border-radius: 50%;
  background: var(--brand-grad); display: grid; place-items: center;
}
.hero__points .ck svg { width: 11px; height: 11px; color: #fff; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero visual */
.hero__visual { position: relative; padding: 26px 0 30px; }
.hero__panel {
  position: relative; background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(255, 255, 255, .9); border-radius: var(--r-xl);
  box-shadow: var(--sh-lg); padding: 26px; overflow: hidden;
}
.hero__panel::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(0, 192, 192, .5), rgba(30, 111, 224, .12));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.hero__panel-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.hero__panel-title h3 { font-size: 16px; letter-spacing: .3px; }
.hero__panel-title span { font-size: 12px; color: var(--muted); background: var(--bg-soft); padding: 4px 11px; border-radius: var(--r-pill); }
.cloud-stack { display: grid; gap: 12px; }
.cloud-row {
  display: flex; align-items: center; gap: 13px; padding: 13px 15px;
  border: 1px solid var(--line); border-radius: var(--r-md); background: #fff;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cloud-row:hover { transform: translateX(4px); box-shadow: var(--sh-md); border-color: rgba(8, 144, 216, .35); }
.cloud-row__icon {
  flex: none; width: 42px; height: 42px; border-radius: 13px;
  display: grid; place-items: center; background: var(--brand-grad-soft); color: var(--brand-blue);
}
.cloud-row__icon svg { width: 21px; height: 21px; }
.cloud-row__body { flex: 1; min-width: 0; }
.cloud-row__body b { display: block; color: var(--ink); font-size: 14.5px; font-weight: 600; }
.cloud-row__body span { font-size: 12.5px; color: var(--muted); }
.cloud-row__tag { flex: none; font-size: 11.5px; color: var(--brand-blue); background: rgba(8, 144, 216, .09); padding: 4px 10px; border-radius: var(--r-pill); font-weight: 600; }

.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: var(--r-md); overflow: hidden; margin-top: 18px; border: 1px solid var(--line); }
.hero__stats div { background: #fff; padding: 16px 10px; text-align: center; }
.hero__stats b { display: block; font-size: 26px; background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero__stats span { font-size: 12.5px; color: var(--muted); }

.float-card {
  position: absolute; background: #fff; border-radius: var(--r-md); box-shadow: var(--sh-lg);
  padding: 11px 15px; display: flex; align-items: center; gap: 10px; z-index: 3;
  animation: floaty 5s ease-in-out infinite;
}
/* 右上卡片：贴近面板右上外侧，不遮挡面板标题栏 */
.float-card--a { top: -26px; right: -14px; }
/* 左下卡片：置于面板下方外侧，避开统计条 */
.float-card--b { bottom: -30px; left: -16px; animation-delay: -2.5s; }
.float-card .ic { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; background: var(--brand-grad); color: #fff; }
.float-card .ic svg { width: 17px; height: 17px; }
.float-card b { display: block; font-size: 13px; color: var(--ink); line-height: 1.35; }
.float-card span { font-size: 11.5px; color: var(--muted); }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ---------------- Trust bar ---------------- */
.trust { background: var(--bg-deep); color: #fff; padding: 34px 0; }
.trust__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.trust__label { font-size: 14px; color: rgba(255, 255, 255, .62); letter-spacing: 1px; }
.trust__logos { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.trust__logos span { font-size: 16px; font-weight: 600; color: rgba(255, 255, 255, .9); display: flex; align-items: center; gap: 8px; }
.trust__logos span svg { width: 20px; height: 20px; color: var(--brand-teal); }

/* ---------------- Cards ---------------- */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 26px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: rgba(8, 144, 216, .3); }
.card__icon {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: var(--brand-grad); color: #fff; margin-bottom: 18px;
  box-shadow: 0 8px 18px rgba(8, 144, 216, .24);
}
.card__icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); }
.card__list { margin-top: 14px; display: grid; gap: 8px; }
.card__list li { font-size: 13.5px; color: var(--ink-2); padding-left: 18px; position: relative; }
.card__list li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--brand-grad);
}
.card__link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--brand-blue); }
.card__link svg { width: 15px; height: 15px; transition: transform .25s ease; }
.card__link:hover svg { transform: translateX(4px); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ---------------- Product category (云产品) ---------------- */
.cat-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 44px; }
.cat-tabs button {
  padding: 10px 22px; border-radius: var(--r-pill); border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 14.5px; font-weight: 500; cursor: pointer;
  transition: all .25s ease;
}
.cat-tabs button:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.cat-tabs button.is-active { background: var(--brand-grad); border-color: transparent; color: #fff; font-weight: 600; box-shadow: var(--sh-brand); }

.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
/* 筛选后卡片数不足一行时，改为弹性居中排布 */
.prod-grid.is-filtered { display: flex; flex-wrap: wrap; justify-content: center; }
.prod-grid.is-filtered .prod { flex: 0 1 calc((100% - 40px) / 3); min-width: 290px; }
.prod {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.prod:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(8, 144, 216, .32); }
.prod__top { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.prod__ic { flex: none; width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: var(--brand-grad-soft); color: var(--brand-blue); }
.prod__ic svg { width: 22px; height: 22px; }
.prod__top b { display: block; font-size: 16px; color: var(--ink); }
.prod__top span { font-size: 12px; color: var(--muted-2); letter-spacing: .5px; }
.prod p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.prod__tags { display: flex; flex-wrap: wrap; gap: 7px; }
.prod__tags span { font-size: 12px; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); padding: 3px 10px; border-radius: var(--r-pill); }

/* ---------------- Feature / advantage ---------------- */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.adv__item { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 24px; text-align: center; transition: all .3s ease; }
.adv__item:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(0, 192, 192, .35); }
.adv__ic { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 18px; display: grid; place-items: center; background: var(--brand-grad); color: #fff; box-shadow: 0 8px 20px rgba(0, 192, 192, .26); }
.adv__ic svg { width: 27px; height: 27px; }
.adv__item h3 { font-size: 17px; margin-bottom: 9px; }
.adv__item p { font-size: 13.5px; color: var(--muted); }

/* ---------------- Split feature (场景) ---------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split + .split { margin-top: 76px; }
.split__visual { border-radius: var(--r-xl); overflow: hidden; background: var(--brand-grad-soft); border: 1px solid var(--line); position: relative; padding: 30px; }
.split--flip .split__media { order: 2; }
.split__media { min-height: 300px; display: grid; place-items: center; }
.split h3 { font-size: 30px; margin-bottom: 8px; }
.split__kicker { color: var(--brand-blue); font-weight: 600; font-size: 14px; letter-spacing: 1.5px; margin-bottom: 12px; }
.split p { color: var(--muted); margin-bottom: 14px; font-size: 15px; }
.split__list { display: grid; gap: 11px; margin: 22px 0 28px; }
.split__list li { display: flex; gap: 10px; font-size: 14.5px; align-items: flex-start; }
.split__list .ck { flex: none; width: 19px; height: 19px; margin-top: 4px; border-radius: 6px; background: rgba(0, 192, 192, .12); display: grid; place-items: center; }
.split__list .ck svg { width: 11px; height: 11px; color: var(--brand-deep); }

/* Metric blocks inside split visual */
.metric-board { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; width: 100%; }
.metric {
  background: #fff; border-radius: var(--r-md); padding: 20px; border: 1px solid var(--line);
  box-shadow: var(--sh-sm);
}
.metric b { display: block; font-size: 30px; background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.metric b:not([data-count]) { -webkit-text-fill-color: currentColor; color: var(--brand-blue); }
.metric span { font-size: 13px; color: var(--muted); }

/* ---------------- Process ---------------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; }
.process::before { content: ""; position: absolute; top: 30px; left: 12%; right: 12%; height: 2px; background: linear-gradient(90deg, rgba(8, 144, 216, 0), rgba(8, 144, 216, .28), rgba(0, 192, 192, 0)); }
.process__step { position: relative; text-align: center; }
.process__num {
  width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%;
  background: #fff; border: 2px solid rgba(8, 144, 216, .22); color: var(--brand-blue);
  display: grid; place-items: center; font-size: 20px; font-weight: 700;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, .9); position: relative; z-index: 2;
}
.process__step:hover .process__num { background: var(--brand-grad); border-color: transparent; color: #fff; box-shadow: 0 0 0 8px rgba(255, 255, 255, .9), var(--sh-brand); }
.process__step h3 { font-size: 16.5px; margin-bottom: 8px; }
.process__step p { font-size: 13.5px; color: var(--muted); }

/* ---------------- News ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(8, 144, 216, .3); }
.news-card__cover { height: 158px; position: relative; display: grid; place-items: center; overflow: hidden; }
.news-card__cover::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .28), transparent 62%); }
.news-card__cover svg { width: 54px; height: 54px; color: rgba(255, 255, 255, .95); position: relative; z-index: 2; }
.news-card__body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.news-card__meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted-2); margin-bottom: 11px; }
.news-card__meta i { font-style: normal; color: var(--brand-blue); background: rgba(8, 144, 216, .09); padding: 2px 10px; border-radius: var(--r-pill); font-weight: 600; }
.news-card h3 { font-size: 16.5px; line-height: 1.55; margin-bottom: 9px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { font-size: 13.5px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__more { margin-top: auto; padding-top: 16px; display: flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--brand-blue); }

/* ---------------- FAQ ---------------- */
.faq { max-width: 860px; margin: 0 auto; }
.faq__item { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); margin-bottom: 14px; overflow: hidden; transition: border-color .25s ease, box-shadow .25s ease; }
.faq__item.is-open { border-color: rgba(8, 144, 216, .35); box-shadow: var(--sh-sm); }
.faq__q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 19px 24px; background: none; border: none; cursor: pointer; text-align: left; font-size: 16px; font-weight: 600; color: var(--ink); }
.faq__q .ar { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--bg-soft); display: grid; place-items: center; transition: transform .3s ease, background .3s ease; }
.faq__q .ar svg { width: 13px; height: 13px; color: var(--brand-blue); }
.faq__item.is-open .faq__q .ar { transform: rotate(180deg); background: var(--brand-grad); }
.faq__item.is-open .faq__q .ar svg { color: #fff; }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq__a > div { padding: 0 24px 21px; font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* ---------------- Page banner ---------------- */
.page-hero { position: relative; padding: calc(var(--nav-h) + 64px) 0 62px; background: var(--brand-grad-soft); overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(8, 144, 216, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(8, 144, 216, .07) 1px, transparent 1px); background-size: 52px 52px; -webkit-mask-image: radial-gradient(ellipse 70% 90% at 70% 30%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse 70% 90% at 70% 30%, #000 20%, transparent 75%); }
.page-hero__inner { position: relative; z-index: 2; }
.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.crumb a:hover { color: var(--brand-blue); }
.page-hero h1 { font-size: 40px; letter-spacing: .5px; margin-bottom: 14px; }
.page-hero p { font-size: 16px; color: var(--muted); max-width: 720px; }
.page-hero__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.page-hero__tags span { background: #fff; border: 1px solid rgba(8, 144, 216, .18); color: var(--ink-2); padding: 7px 15px; border-radius: var(--r-pill); font-size: 13.5px; font-weight: 500; }
.page-hero__tags a.ph-tag { background: #fff; border: 1px solid rgba(8, 144, 216, .18); color: var(--ink-2); padding: 7px 15px; border-radius: var(--r-pill); font-size: 13.5px; font-weight: 500; transition: all .25s ease; }
.page-hero__tags a.ph-tag:hover { border-color: var(--brand-blue); color: var(--brand-blue); background: rgba(8, 144, 216, .06); }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; }
table.tbl { width: 100%; border-collapse: collapse; min-width: 640px; }
table.tbl th, table.tbl td { padding: 16px 20px; text-align: left; font-size: 14.5px; border-bottom: 1px solid var(--line-2); }
table.tbl thead th { background: var(--bg-soft); color: var(--ink); font-weight: 600; font-size: 14px; white-space: nowrap; }
table.tbl tbody tr:last-child td { border-bottom: none; }
table.tbl tbody tr:hover { background: rgba(8, 144, 216, .03); }
table.tbl td b { color: var(--ink); }
.tbl__tag { display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: var(--r-pill); background: rgba(0, 192, 192, .1); color: #067F86; font-weight: 600; }

/* ---------------- CTA band ---------------- */
.cta-band { position: relative; background: var(--bg-deep); color: #fff; overflow: hidden; padding: 74px 0; }
.cta-band::before { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 192, 192, .3), transparent 68%); top: -220px; right: -120px; }
.cta-band::after { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(30, 111, 224, .28), transparent 68%); bottom: -230px; left: -140px; }
.cta-band__inner { position: relative; z-index: 2; text-align: center; }
.cta-band h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
.cta-band p { color: rgba(255, 255, 255, .72); font-size: 16px; margin-bottom: 30px; }
.cta-band .btn--outline { background: rgba(255, 255, 255, .08); color: #fff; border-color: rgba(255, 255, 255, .3); }
.cta-band .btn--outline:hover { background: rgba(255, 255, 255, .16); border-color: #fff; color: #fff; }

/* ---------------- Footer ---------------- */
.footer { background: #0B1B33; color: rgba(255, 255, 255, .68); padding: 66px 0 0; }
.footer__top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 46px; padding-bottom: 46px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.footer__brand img { height: 38px; width: auto; margin-bottom: 18px; }
.footer__brand p { font-size: 13.5px; line-height: 1.9; max-width: 320px; }
.footer__contact { margin-top: 20px; display: grid; gap: 10px; }
.footer__contact div { display: flex; align-items: center; gap: 10px; font-size: 13.5px; }
.footer__contact svg { width: 16px; height: 16px; color: var(--brand-teal); flex: none; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer__links li { margin-bottom: 11px; }
.footer__links a { font-size: 13.5px; transition: color .2s ease; }
.footer__links a:hover { color: #fff; }
.footer__bottom { padding: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }
.footer__bottom a:hover { color: #fff; }
.footer__legal { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }

/* ICP 备案号（工信部要求置于网站底部，需链接至备案查询系统） */
.footer__icp { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; padding-top: 0; }
.footer__icp a { display: inline-flex; align-items: center; gap: 6px; color: rgba(255, 255, 255, .68); transition: color .2s ease; }
.footer__icp a:hover { color: #fff; }
.footer__icp a svg { width: 14px; height: 14px; opacity: .8; }
.footer__icp img { height: 18px; width: auto; opacity: .85; }
.footer__icp--pending { display: none; }

/* ---------------- Floating actions ---------------- */
.float-actions { position: fixed; right: 22px; bottom: 96px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-actions button {
  width: 48px; height: 48px; border-radius: 15px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(12px); cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--sh-md); color: var(--ink-2);
  transition: all .28s ease;
}
.float-actions button:hover { transform: translateY(-3px); box-shadow: var(--sh-lg); color: var(--brand-blue); border-color: rgba(8, 144, 216, .35); }
.float-actions svg { width: 22px; height: 22px; }
.float-actions .fa-top { opacity: 0; pointer-events: none; }
.float-actions .fa-top.is-visible { opacity: 1; pointer-events: auto; }

/* ---------------- Modal ---------------- */
.modal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(8, 21, 39, .58); backdrop-filter: blur(4px); }
.modal.is-open { display: flex; }
.modal__box { background: #fff; border-radius: var(--r-xl); width: 100%; max-width: 520px; padding: 34px 32px; position: relative; box-shadow: var(--sh-lg); max-height: 92vh; overflow-y: auto; }
.modal__close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 50%; border: none; background: var(--bg-soft); cursor: pointer; display: grid; place-items: center; color: var(--muted); }
.modal__close:hover { background: var(--line); color: var(--ink); }
.modal__close svg { width: 16px; height: 16px; }
.modal__box h3 { font-size: 22px; margin-bottom: 6px; }
.modal__box > p { font-size: 14px; color: var(--muted); margin-bottom: 24px; }

.form-grid { display: grid; gap: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 7px; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line); border-radius: var(--r-sm); padding: 11px 14px;
  font-size: 14.5px; background: #fff; transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--brand-blue); box-shadow: 0 0 0 3px rgba(8, 144, 216, .12); }
.field__req { color: #E5484D; }
.form-note { font-size: 12.5px; color: var(--muted-2); }
.form-ok { display: none; text-align: center; padding: 26px 8px; }
.form-ok.is-show { display: block; }
.form-ok .ic { width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%; background: rgba(0, 192, 192, .12); display: grid; place-items: center; color: var(--brand-deep); }
.form-ok .ic svg { width: 30px; height: 30px; }
.form-ok h4 { font-size: 19px; margin-bottom: 8px; }
.form-ok p { font-size: 14px; color: var(--muted); }

/* ---------------- Article ---------------- */
.article { max-width: 860px; margin: 0 auto; }
.article h1 { font-size: 34px; margin-bottom: 14px; }
.article__meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted-2); padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article__cover { border-radius: var(--r-lg); overflow: hidden; margin-bottom: 30px; height: 300px; display: grid; place-items: center; }
.article__cover svg { width: 78px; height: 78px; color: rgba(255, 255, 255, .92); }
.article__body h3 { font-size: 21px; margin: 34px 0 14px; padding-left: 13px; border-left: 4px solid var(--brand-grad); }
.article__body h4 { font-size: 17px; font-weight: 600; color: var(--ink); margin: 26px 0 12px; }
.article__body h5 { font-size: 15px; font-weight: 600; color: var(--ink-2); margin: 20px 0 10px; }
.article__body h6 { font-size: 14px; font-weight: 600; color: var(--muted); margin: 18px 0 8px; }
.article__body p { font-size: 15.5px; color: var(--ink-2); margin-bottom: 14px; line-height: 1.95; }
.article__body ul { margin: 0 0 16px 6px; }
.article__body ul li { font-size: 15px; color: var(--ink-2); padding-left: 20px; position: relative; margin-bottom: 9px; }
.article__body ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 7px; height: 7px; border-radius: 2px; background: var(--brand-grad); }
.article__body .quote { background: var(--brand-grad-soft); border-left: 4px solid var(--brand-teal); border-radius: 0 var(--r-md) var(--r-md) 0; padding: 18px 22px; font-size: 15px; color: var(--ink-2); margin: 20px 0; }
.article__body .quote p { margin: 0 0 10px; }
.article__body .quote p:last-child { margin-bottom: 0; }
.article__body .note { background: #FFFBEB; border-left: 4px solid #F59E0B; border-radius: 0 var(--r-md) var(--r-md) 0; padding: 16px 20px; font-size: 14.5px; color: var(--ink-2); margin: 20px 0; }
.article__body .note p { margin-bottom: 8px; }
.article__body .note p:last-child { margin-bottom: 0; }
.article__body .field-list { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--r-md); padding: 18px 22px; margin: 20px 0; }
.article__body .field-list p { margin-bottom: 10px; }
.article__body .field-list p:last-child { margin-bottom: 0; }
.article__body .md-block { border: 1px dashed var(--line); border-radius: var(--r-md); padding: 16px 20px; margin: 20px 0; }
.article__body .md-code { background: var(--bg-deep); color: #DCE6F2; border-radius: var(--r-md); padding: 16px 20px; overflow-x: auto; font-size: 13px; line-height: 1.7; margin: 20px 0; }
.article__body .md-code code { background: none; color: inherit; padding: 0; font-size: inherit; }
.article__body .steps { counter-reset: zenstep; list-style: none; margin: 20px 0; padding: 0; }
.article__body .steps > li { counter-increment: zenstep; position: relative; padding-left: 44px; margin-bottom: 16px; font-size: 15px; color: var(--ink-2); line-height: 1.85; }
.article__body .steps > li::before {
  content: counter(zenstep); position: absolute; left: 0; top: 2px; width: 28px; height: 28px;
  border-radius: 50%; background: var(--brand-grad); color: #fff; font-size: 13px; font-weight: 600;
  display: grid; place-items: center;
}
.article__body .table-wrap table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article__body .table-wrap { margin-bottom: 18px; }
.article__body .table-wrap th { text-align: left; padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--ink); background: var(--bg-soft); border-bottom: 1px solid var(--line); white-space: nowrap; }
.article__body .table-wrap td { padding: 12px 16px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); }
.article__body .table-wrap tbody tr:last-child td { border-bottom: none; }
.article__body img { max-width: 100%; border-radius: var(--r-md); }
.article__body hr { border: none; border-top: 1px solid var(--line); margin: 28px 0; }
.article__more { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.article__more h3 { font-size: 16px; font-weight: 600; margin: 0 0 14px; }
.article__more ul { margin: 0 0 0 6px; }
.article__more li { font-size: 14.5px; color: var(--ink-2); padding-left: 20px; position: relative; margin-bottom: 8px; }
.article__more li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; border-radius: 2px; background: var(--brand-grad); }
.article__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 46px; padding-top: 30px; border-top: 1px solid var(--line); }
.article__nav a { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px 20px; font-size: 14px; transition: all .25s ease; }
.article__nav a:hover { border-color: var(--brand-blue); background: #fff; }
.article__nav span { display: block; font-size: 12.5px; color: var(--muted-2); margin-bottom: 5px; }
.article__nav b { color: var(--ink); font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- Scroll reveal ---------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2, .7, .3, 1), transform .7s cubic-bezier(.2, .7, .3, 1); }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------------- Feature tabs (场景切换) ---------------- */
.tabs-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; }
.tabs-nav button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: var(--r-pill); border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); font-size: 14.5px; font-weight: 500; cursor: pointer;
  transition: all .25s ease;
}
.tabs-nav button svg { width: 17px; height: 17px; }
.tabs-nav button:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.tabs-nav button.is-active { background: var(--brand-grad); border-color: transparent; color: #fff; font-weight: 600; box-shadow: var(--sh-brand); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeUp .45s cubic-bezier(.2, .7, .3, 1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 32px; max-width: 880px; margin: 0 auto; }
.scene-item { display: flex; gap: 13px; align-items: flex-start; padding: 17px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); transition: all .25s ease; }
.scene-item:hover { border-color: rgba(8, 144, 216, .32); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.scene-item__ic { flex: none; width: 34px; height: 34px; border-radius: 11px; background: var(--brand-grad-soft); color: var(--brand-blue); display: grid; place-items: center; }
.scene-item__ic svg { width: 17px; height: 17px; }
.scene-item b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 3px; }
.scene-item span { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
.scene-item b em { font-style: normal; color: var(--brand-blue); font-weight: 600; }

/* ---------------- 权益清单 ---------------- */
.entitle { display: grid; gap: 22px; }
.entitle__row { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 30px; }
.entitle__row > h3 { display: flex; align-items: center; gap: 11px; font-size: 18px; margin-bottom: 6px; }
.entitle__row > h3 .ic { width: 34px; height: 34px; border-radius: 11px; background: var(--brand-grad); color: #fff; display: grid; place-items: center; flex: none; }
.entitle__row > h3 .ic svg { width: 17px; height: 17px; }
.entitle__row > p { font-size: 13.5px; color: var(--muted); margin-bottom: 16px; padding-left: 45px; }
.entitle__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px 26px; padding-left: 45px; }
.entitle__list li { font-size: 13.8px; color: var(--ink-2); padding-left: 22px; position: relative; }
.entitle__list li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 14px;
  border-radius: 4px; background: rgba(0, 192, 192, .14);
}
.entitle__list li::after {
  content: ""; position: absolute; left: 4.5px; top: 11.5px; width: 5px; height: 2.5px;
  border-left: 1.6px solid var(--brand-deep); border-bottom: 1.6px solid var(--brand-deep);
  transform: rotate(-45deg);
}

/* ---------------- 价格卡 ---------------- */
.price-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; align-items: stretch; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); overflow: hidden; transition: all .3s ease; display: flex; flex-direction: column; }
.price-card:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); border-color: rgba(8, 144, 216, .3); }
.price-card--hot { border-color: rgba(8, 144, 216, .45); box-shadow: var(--sh-md); }
.price-card__head { padding: 28px 30px 24px; position: relative; }
.price-card--hot .price-card__head { background: var(--brand-grad-soft); padding-top: 28px; }
/* 角标放在卡片头内部作为常规元素，避免被卡片圆角裁切 */
.price-card__flag { display: inline-block; background: var(--brand-grad); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 15px; border-radius: var(--r-pill); margin-bottom: 14px; }
.price-card__head h3 { font-size: 21px; margin-bottom: 4px; }
.price-card__head > span { font-size: 13.5px; color: var(--muted); }
.price-card__price { display: flex; align-items: baseline; gap: 6px; margin-top: 18px; }
.price-card__price b { font-size: 42px; color: var(--ink); line-height: 1; font-weight: 800; }
.price-card__price i { font-style: normal; font-size: 15px; color: var(--muted); font-weight: 500; }
.price-card__seat { display: inline-block; margin-top: 12px; font-size: 12.5px; color: var(--brand-blue); background: rgba(8, 144, 216, .1); padding: 5px 13px; border-radius: var(--r-pill); font-weight: 600; }
.price-card__body { padding: 26px 30px 30px; display: flex; flex-direction: column; flex: 1; }
.price-card__body h4 { font-size: 13.5px; color: var(--ink); margin-bottom: 12px; letter-spacing: .5px; }
.price-card__list { display: grid; gap: 9px; margin-bottom: 22px; }
.price-card__list li { font-size: 13.8px; color: var(--ink-2); padding-left: 22px; position: relative; }
.price-card__list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 14px; border-radius: 4px; background: rgba(0, 192, 192, .14); }
.price-card__list li::after { content: ""; position: absolute; left: 4.5px; top: 11.5px; width: 5px; height: 2.5px; border-left: 1.6px solid var(--brand-deep); border-bottom: 1.6px solid var(--brand-deep); transform: rotate(-45deg); }
.price-card__list li b { color: var(--ink); font-weight: 600; }
.suite-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 22px; }
.suite-tags span { font-size: 12.5px; color: var(--ink-2); background: var(--bg-soft); border: 1px solid var(--line); padding: 5px 12px; border-radius: var(--r-pill); }
.price-card__body .btn { margin-top: auto; }

.price-note { margin-top: 26px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 24px 28px; display: flex; gap: 16px; align-items: flex-start; }
.price-note .ic { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--brand-grad); color: #fff; display: grid; place-items: center; }
.price-note .ic svg { width: 20px; height: 20px; }
.price-note b { display: block; color: var(--ink); font-size: 15.5px; margin-bottom: 4px; }
.price-note p { font-size: 13.8px; color: var(--muted); }

/* ---------------- 对比表 ---------------- */
.cmp { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 22px; }
.cmp__item { display: flex; gap: 13px; padding: 17px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); transition: all .25s ease; }
.cmp__item:hover { border-color: rgba(0, 192, 216, .32); box-shadow: var(--sh-sm); }
.cmp__item .ck { flex: none; width: 24px; height: 24px; border-radius: 8px; background: rgba(0, 192, 192, .12); display: grid; place-items: center; margin-top: 1px; }
.cmp__item .ck svg { width: 13px; height: 13px; color: var(--brand-deep); }
.cmp__item b { display: block; color: var(--ink); font-size: 14.8px; margin-bottom: 3px; }
.cmp__item span { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ---------------- 公司信息条目（合并页用） ---------------- */
.info-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px 26px; text-align: center; transition: all .3s ease; }
.info-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: rgba(8, 144, 216, .3); }
.info-card__ic { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 16px; background: var(--brand-grad); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 18px rgba(8, 144, 216, .24); }
.info-card__ic svg { width: 25px; height: 25px; }
.info-card h3 { font-size: 17px; margin-bottom: 8px; }
.info-card .big { font-size: 19px; color: var(--brand-blue); font-weight: 700; margin: 6px 0 8px; word-break: break-all; }
.info-card p { font-size: 13.5px; color: var(--muted); }

@media (max-width: 900px) {
  .price-wrap { grid-template-columns: 1fr; }
  .entitle__list { grid-template-columns: 1fr; padding-left: 0; }
  .entitle__row > p { padding-left: 0; }
  .info-row { grid-template-columns: 1fr; }
  .cmp { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .price-card__head, .price-card__body { padding-left: 22px; padding-right: 22px; }
  .price-card__price b { font-size: 34px; }
  .tabs-nav button { padding: 10px 17px; font-size: 13.5px; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__visual { max-width: 620px; }
  .grid-4, .adv { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .process::before { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 900px) {
  .nav__menu, .nav__cta .btn { display: none; }
  .nav__toggle { display: flex; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split--flip .split__media { order: 0; }
  .grid-3, .news-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
  .sec-head h2 { font-size: 30px; }
  .page-hero h1 { font-size: 32px; }
}

@media (max-width: 640px) {
  .section { padding: 58px 0; }
  .section--tight { padding: 44px 0; }
  .nav__logo img { height: 30px; }
  .hero { padding: calc(var(--nav-h) + 44px) 0 60px; }
  .hero h1 { font-size: 28px; }
  .hero__lead { font-size: 15px; }
  .hero__panel { padding: 18px; }
  /* 窄屏隐藏装饰浮卡，避免与悬浮按钮争抢空间 */
  .float-card { display: none; }
  .grid-3, .grid-4, .grid-2, .news-grid, .prod-grid, .adv, .process { grid-template-columns: 1fr; }
  .sec-head h2 { font-size: 25px; }
  .sec-head { margin-bottom: 36px; }
  .page-hero h1 { font-size: 26px; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; }
  .article h1 { font-size: 25px; }
  .form-row { grid-template-columns: 1fr; }
  .article__nav { grid-template-columns: 1fr; }
  .cta-band h2 { font-size: 25px; }
  .hero__stats b { font-size: 21px; }
  .float-actions { right: 14px; bottom: 76px; }
  .float-actions button { width: 42px; height: 42px; }
  .btn { padding: 12px 24px; font-size: 14.5px; }
}