/* ==========================================================================
   云帆网络 · 官网样式表
   全部资源本地化：字体 / 图片 / 图标
   ========================================================================== */

/* ---------- 字体（本地化 woff2） ---------- */
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-chinese-simplified-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2000-206F, U+2E80-2EFF, U+31C0-31EF, U+3400-4DBF;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-chinese-simplified-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2000-206F, U+2E80-2EFF, U+31C0-31EF, U+3400-4DBF;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-chinese-simplified-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF, U+2000-206F, U+2E80-2EFF, U+31C0-31EF, U+3400-4DBF;
}

/* ---------- 设计变量 ---------- */
:root {
  --navy-950: #071a3a;
  --navy-900: #0b2148;
  --navy-800: #10305f;
  --navy-700: #16417e;
  --blue-700: #1b4fd8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-100: #dbe7fd;
  --cyan-500: #06b6d4;
  --amber-400: #fbbf24;
  --ink: #101c33;
  --ink-2: #3d4c66;
  --ink-3: #6b7a94;
  --bg: #f5f7fb;
  --bg-2: #edf1f8;
  --card: #ffffff;
  --line: #e3e9f3;
  --line-2: #d3dcea;
  --grad-brand: linear-gradient(135deg, #113a8b, #2f7cf6);
  --grad-hero: linear-gradient(180deg, #071a3a 0%, #0d2a55 100%);
  --shadow-sm: 0 1px 2px rgba(11, 33, 72, 0.06), 0 6px 18px rgba(11, 33, 72, 0.06);
  --shadow-md: 0 10px 30px rgba(11, 33, 72, 0.1);
  --shadow-lg: 0 24px 56px rgba(11, 33, 72, 0.16);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --container: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: var(--header-h);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0 0 0.5em; font-weight: 700; line-height: 1.25; text-wrap: balance; }
h1 { font-size: clamp(32px, 4.6vw, 54px); }
h2 { font-size: clamp(25px, 3.2vw, 36px); }
h3 { font-size: 20px; }
h4 { font-size: 17px; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(37, 99, 235, 0.18); }
:focus-visible { outline: 2px solid var(--blue-500); outline-offset: 2px; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* 全站细颗粒噪点，弱化纯色块质感 */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s, border-color 0.2s, color 0.2s;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(37, 99, 235, 0.36); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.6); }
.btn-soft { background: var(--blue-100); color: var(--blue-700); }
.btn-soft:hover { background: #cbddfc; }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { background: var(--navy-800); }
.btn-outline { background: #fff; color: var(--blue-700); border-color: var(--line-2); box-shadow: var(--shadow-sm); }
.btn-outline:hover { border-color: var(--blue-400); color: var(--blue-600); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 34px; font-size: 16px; }

/* ---------- 页头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(11, 33, 72, 0.07);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 40px; width: auto; }
.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  display: block;
  padding: 9px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 8px;
  transition: color 0.2s, background-color 0.2s;
}
.main-nav a:hover { color: var(--blue-600); background: var(--bg-2); }
.main-nav a.active { color: var(--blue-700); font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 通用区块 ---------- */
.section { padding-block: clamp(56px, 7vw, 92px); }
.section-tight { padding-block: clamp(40px, 5vw, 64px); }
.section-alt { background: var(--bg-2); }
.section-head { max-width: 760px; margin: 0 auto clamp(34px, 4.5vw, 52px); text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--blue-500); border-radius: 2px; }
.section-head .lead { color: var(--ink-2); font-size: 16.5px; margin-top: 14px; margin-bottom: 0; }

/* 卡片通用 */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-hover { transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s; }
.card-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--line-2); }

/* 图标方块 */
.icon-tile {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.24);
  flex: none;
}
.icon-tile svg { width: 26px; height: 26px; }
.icon-tile.soft { background: var(--blue-100); color: var(--blue-700); box-shadow: none; }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  background: var(--grad-hero);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 80%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -140px;
  top: -180px;
  background: radial-gradient(circle, rgba(47, 124, 246, 0.45), transparent 65%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  padding-block: clamp(48px, 6vw, 84px) clamp(56px, 7vw, 96px);
}
.hero h1 { margin-bottom: 20px; }
.hero h1 em { font-style: normal; background: linear-gradient(120deg, #7db4ff, #38bdf8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 17px; color: rgba(255, 255, 255, 0.82); max-width: 30em; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; color: rgba(255, 255, 255, 0.75); }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--cyan-500); }

.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  aspect-ratio: 16 / 10.5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38);
}
.hero-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: chipFloat 5s ease-in-out infinite;
}
.hero-chip .icon-tile { width: 36px; height: 36px; border-radius: 10px; }
.hero-chip .icon-tile svg { width: 18px; height: 18px; }
.hero-chip strong { display: block; font-size: 13.5px; line-height: 1.2; }
.hero-chip small { display: block; color: var(--ink-3); font-size: 11.5px; }
.hero-chip-1 { left: -22px; top: 40px; }
.hero-chip-2 { right: -16px; bottom: 46px; animation-delay: 1.4s; }
@keyframes chipFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.hero-stat { padding: 26px 18px 30px; text-align: center; }
.hero-stat + .hero-stat { border-left: 1px solid rgba(255, 255, 255, 0.12); }
.hero-stat .num {
  font-size: clamp(30px, 3.4vw, 42px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.hero-stat .num i { font-style: normal; font-size: 0.62em; margin-left: 2px; color: var(--blue-400); }
.hero-stat .label { font-size: 14px; color: rgba(255, 255, 255, 0.7); margin-top: 6px; }

/* ---------- 服务卡片 ---------- */
.service-card { padding: 30px 28px; display: flex; flex-direction: column; gap: 16px; }
.service-card .icon-tile { transition: transform 0.25s var(--ease); }
.service-card:hover .icon-tile { transform: scale(1.06) rotate(-3deg); }
.service-card h3 { margin: 0; }
.service-card p { color: var(--ink-2); font-size: 14.5px; margin: 0; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-600);
}
.service-link svg { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.service-link:hover svg { transform: translateX(4px); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { padding: 30px 20px; text-align: center; }
.stat-card .num { font-size: 38px; font-weight: 700; color: var(--blue-700); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-card .label { margin-top: 8px; color: var(--ink-2); font-size: 14px; }
@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .grid-4 { grid-template-columns: 1fr; } }

/* ---------- 为什么选择我们 ---------- */
.why-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.why-visual { position: relative; }
.why-visual img { border-radius: var(--radius-lg); aspect-ratio: 4 / 3.4; object-fit: cover; box-shadow: var(--shadow-lg); }
.why-visual .exp-badge {
  position: absolute;
  left: -18px;
  bottom: 26px;
  background: var(--grad-brand);
  color: #fff;
  border-radius: 14px;
  padding: 16px 22px;
  box-shadow: var(--shadow-md);
}
.exp-badge .n { font-size: 30px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.exp-badge .t { font-size: 12.5px; opacity: 0.85; margin-top: 4px; }
.why-list { display: grid; gap: 18px; margin-top: 26px; }
.why-item { display: flex; gap: 14px; align-items: flex-start; }
.why-item .check {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-700);
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.why-item .check svg { width: 14px; height: 14px; }
.why-item h4 { margin: 0 0 2px; }
.why-item p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 案例卡片 ---------- */
.case-card { overflow: hidden; display: flex; flex-direction: column; }
.case-media { position: relative; overflow: hidden; }
.case-media img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; transition: transform 0.45s var(--ease); }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(7, 26, 58, 0.78);
  color: #fff;
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.case-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.case-body h3 { margin: 0; font-size: 19px; }
.case-body .client { color: var(--ink-3); font-size: 13px; }
.case-body .desc { color: var(--ink-2); font-size: 14px; margin: 0; }
.case-metrics { display: flex; gap: 18px; border-top: 1px dashed var(--line-2); padding-top: 14px; }
.case-metrics div { flex: 1; }
.case-metrics .m { font-size: 19px; font-weight: 700; color: var(--blue-700); font-variant-numeric: tabular-nums; line-height: 1.2; }
.case-metrics .l { font-size: 12px; color: var(--ink-3); }
.case-services { display: flex; flex-wrap: wrap; gap: 8px; }
.case-services span { font-size: 12px; color: var(--blue-700); background: var(--blue-100); padding: 3px 10px; border-radius: 999px; }

/* ---------- 流程（横向时间轴） ---------- */
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 29px;
  left: 9%;
  right: 9%;
  height: 2px;
  background: linear-gradient(90deg, var(--line-2), var(--blue-400), var(--line-2));
}
.process-step { position: relative; text-align: center; padding: 0 4px; }
.process-num {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--blue-500);
  color: var(--blue-700);
  font-size: 20px;
  font-weight: 700;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.16);
}
.process-step h4 { margin: 0 0 6px; font-size: 16px; }
.process-step p { margin: 0; font-size: 13px; color: var(--ink-3); }

/* ---------- 评价 ---------- */
.quote-card { padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.quote-card .quote-mark { color: var(--blue-400); }
.quote-card .quote-mark svg { width: 30px; height: 30px; }
.quote-card blockquote { margin: 0; font-size: 15px; color: var(--ink-2); line-height: 1.8; flex: 1; }
.quote-author { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; }
.quote-author .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  flex: none;
}
.quote-author strong { display: block; font-size: 14.5px; line-height: 1.3; }
.quote-author span { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 新闻卡片 ---------- */
.news-card { overflow: hidden; display: flex; flex-direction: column; }
.news-media img { aspect-ratio: 16 / 9.4; object-fit: cover; width: 100%; transition: transform 0.45s var(--ease); }
.news-card:hover .news-media img { transform: scale(1.05); }
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--ink-3); }
.news-meta .cat { color: var(--blue-700); background: var(--blue-100); padding: 2px 10px; border-radius: 999px; font-weight: 500; }
.news-body h3 { margin: 0; font-size: 17.5px; line-height: 1.45; }
.news-body p { margin: 0; font-size: 13.5px; color: var(--ink-2); flex: 1; }
.news-read {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue-600);
  background: none;
  border: 0;
  padding: 0;
  align-self: flex-start;
}
.news-read svg { width: 15px; height: 15px; transition: transform 0.2s var(--ease); }
.news-read:hover svg { transform: translateX(4px); }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--grad-brand);
  color: #fff;
  padding: clamp(40px, 6vw, 64px) clamp(28px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 65%);
  pointer-events: none;
}
.cta-band h2 { margin: 0 0 8px; color: #fff; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, 0.85); max-width: 40em; }
.cta-band .btn { position: relative; z-index: 1; }
.cta-band .btn-light { background: #fff; color: var(--blue-700); box-shadow: 0 12px 26px rgba(7, 26, 58, 0.22); }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  background: var(--grad-hero);
  color: #fff;
  overflow: hidden;
  padding-block: clamp(44px, 6vw, 72px);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 85%);
}
.page-hero::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -120px;
  top: -160px;
  background: radial-gradient(circle, rgba(47, 124, 246, 0.4), transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { font-size: 13.5px; color: rgba(255, 255, 255, 0.62); margin-bottom: 18px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: 0.5; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero .lead { font-size: 16.5px; color: rgba(255, 255, 255, 0.8); max-width: 42em; margin: 0; }

/* ---------- 筛选栏 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.filter-btn {
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink-2);
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--blue-400); color: var(--blue-700); }
.filter-btn.active { background: var(--grad-brand); color: #fff; border-color: transparent; box-shadow: 0 8px 18px rgba(37, 99, 235, 0.24); }

/* ---------- 表格（方案对比） ---------- */
.table-scroll { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow-sm); background: #fff; }
.compare-table { width: 100%; border-collapse: collapse; table-layout: fixed; min-width: 720px; font-size: 14.5px; }
.compare-table th, .compare-table td { padding: 16px 18px; text-align: center; border-bottom: 1px solid var(--line); vertical-align: middle; }
.compare-table thead th { background: var(--navy-900); color: #fff; font-weight: 500; }
.compare-table thead th:first-child { border-radius: var(--radius) 0 0 0; text-align: left; width: 24%; }
.compare-table thead th:last-child { border-radius: 0 var(--radius) 0 0; }
.compare-table thead .plan-name { display: block; font-size: 17px; font-weight: 700; margin-bottom: 2px; }
.compare-table thead .plan-price { display: block; font-size: 13px; opacity: 0.85; font-weight: 400; }
.compare-table thead th.hot { background: var(--grad-brand); }
.compare-table tbody th { text-align: left; font-weight: 500; color: var(--ink-2); background: #fafbfe; width: 24%; }
.compare-table tbody td { color: var(--ink); }
.compare-table tbody tr:last-child td, .compare-table tbody tr:last-child th { border-bottom: 0; }
.compare-table tbody tr:hover td { background: var(--bg); }
.compare-table .tick { color: var(--blue-600); }
.compare-table .tick svg { width: 18px; height: 18px; }
.compare-table .dash { color: var(--ink-3); }
.compare-table .cta-cell { padding-block: 20px; }
.feature-note { margin-top: 14px; font-size: 13px; color: var(--ink-3); }

/* ---------- 手风琴 ---------- */
.accordion { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: border-color 0.2s; }
.faq-item.open { border-color: var(--blue-400); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}
.faq-q .faq-icon {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--line-2);
  display: grid;
  place-items: center;
  color: var(--blue-600);
  transition: transform 0.25s var(--ease), background-color 0.2s, color 0.2s, border-color 0.2s;
}
.faq-q .faq-icon svg { width: 14px; height: 14px; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.faq-a-inner { padding: 0 24px 22px; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 关于：使命愿景 ---------- */
.mvv-card { padding: 30px 28px; text-align: center; }
.mvv-card .icon-tile { margin: 0 auto 18px; }
.mvv-card h3 { margin: 0 0 10px; }
.mvv-card p { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* ---------- 关于：时间轴（纵向） ---------- */
.timeline {
  display: grid;
  grid-template-columns: 130px 44px 1fr;
  row-gap: 30px;
  max-width: 860px;
  margin-inline: auto;
}
.tl-year { text-align: right; padding-top: 3px; font-weight: 700; color: var(--blue-700); font-variant-numeric: tabular-nums; font-size: 16px; }
.tl-axis { position: relative; display: grid; justify-items: center; }
.tl-axis::before { content: ""; position: absolute; top: 0; bottom: -30px; width: 2px; background: var(--line-2); }
.timeline > :last-child .tl-axis::before { bottom: 0; }
.tl-dot {
  position: relative;
  z-index: 1;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue-600);
  border: 3px solid #fff;
  box-shadow: 0 0 0 1.5px var(--blue-500);
  margin-top: 6px;
  justify-self: center;
}
.tl-content { padding: 0 0 6px 10px; }
.tl-content h4 { margin: 0 0 4px; font-size: 17px; }
.tl-content p { margin: 0; font-size: 14px; color: var(--ink-2); max-width: 46em; }

/* ---------- 团队 ---------- */
.team-card { text-align: center; padding: 28px 22px 24px; }
.team-card img { width: 128px; height: 128px; border-radius: 50%; object-fit: cover; margin: 0 auto 16px; border: 4px solid #fff; box-shadow: var(--shadow-sm); }
.team-card h3 { margin: 0 0 2px; font-size: 18px; }
.team-card .role { color: var(--blue-700); font-size: 13.5px; font-weight: 500; margin-bottom: 8px; }
.team-card p { margin: 0; font-size: 13.5px; color: var(--ink-3); }

/* ---------- 服务详情块 ---------- */
.service-detail { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4.5vw, 56px); align-items: center; }
.service-detail + .service-detail { margin-top: clamp(44px, 6vw, 72px); }
.service-detail.flip .service-detail-text { order: 2; }
.service-detail-media img { border-radius: var(--radius-lg); aspect-ratio: 16 / 10.5; object-fit: cover; box-shadow: var(--shadow-md); }
.service-detail h3 { margin: 10px 0 12px; font-size: 24px; }
.service-detail .intro { color: var(--ink-2); margin-bottom: 18px; }
.feature-list { display: grid; gap: 10px; margin-bottom: 22px; }
.feature-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink); }
.feature-list svg { flex: none; width: 18px; height: 18px; color: var(--blue-600); margin-top: 4px; }
.service-detail .for-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); }
.service-detail .for-tag b { color: var(--blue-700); font-weight: 500; }

/* ---------- 联系 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.contact-card { padding: 28px 24px; }
.contact-card .icon-tile { margin-bottom: 16px; }
.contact-card h3 { margin: 0 0 6px; font-size: 16.5px; }
.contact-card p { margin: 0; color: var(--ink-2); font-size: 14px; }
.contact-card a { color: var(--blue-700); font-weight: 500; }
.contact-card a:hover { text-decoration: underline; }
.contact-main { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 4.5vw, 56px); align-items: center; }
.contact-main img { border-radius: var(--radius-lg); aspect-ratio: 16 / 10.5; object-fit: cover; box-shadow: var(--shadow-lg); }
.info-row { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--line-2); }
.info-row:last-child { border-bottom: 0; }
.info-row .icon-tile { width: 44px; height: 44px; border-radius: 12px; }
.info-row .icon-tile svg { width: 20px; height: 20px; }
.info-row h4 { margin: 0 0 2px; font-size: 15px; }
.info-row p { margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy-950); color: rgba(255, 255, 255, 0.72); padding-top: clamp(48px, 6vw, 72px); font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand img { height: 40px; width: auto; margin-bottom: 16px; }
.footer-brand p { max-width: 30em; font-size: 13.5px; color: rgba(255, 255, 255, 0.6); }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, 0.66); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 12px; align-items: flex-start; }
.footer-contact svg { flex: none; width: 17px; height: 17px; color: var(--blue-400); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-block: 20px; font-size: 13px; color: rgba(255, 255, 255, 0.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 0;
  background: var(--navy-900);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s, background-color 0.2s;
  z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-600); }
.back-to-top svg { width: 18px; height: 18px; }

/* ---------- 文章弹窗 ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1500;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}
.modal.open { display: flex; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(7, 26, 58, 0.6); backdrop-filter: blur(3px); }
.modal-panel {
  position: relative;
  width: min(760px, 100%);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal-panel img { width: 100%; aspect-ratio: 16 / 8.6; object-fit: cover; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 0;
  background: rgba(7, 26, 58, 0.55);
  color: #fff;
  display: grid;
  place-items: center;
  transition: background-color 0.2s;
}
.modal-close:hover { background: var(--blue-600); }
.modal-close svg { width: 18px; height: 18px; }
.modal-content { padding: 30px 34px 38px; }
.modal-content .news-meta { margin-bottom: 12px; }
.modal-content h2 { font-size: 24px; margin-bottom: 16px; }
.modal-content .article-body { font-size: 15px; color: var(--ink-2); }
.modal-content .article-body p { margin-bottom: 1em; }
.modal-content .article-body h3 { font-size: 17px; color: var(--ink); margin: 1.4em 0 0.5em; }
.modal-content .article-body ul { list-style: disc; padding-left: 1.4em; margin-bottom: 1em; }
body.modal-lock { overflow: hidden; }

/* ---------- 滚动显现 ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
[data-reveal].revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 640px; }
  .hero-chip-1 { left: -8px; }
  .hero-chip-2 { right: -8px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .service-detail, .service-detail.flip { grid-template-columns: 1fr; }
  .service-detail.flip .service-detail-text { order: 0; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .why-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(11, 33, 72, 0.12);
    padding: 10px 20px 20px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: none; }
  .main-nav ul { flex-direction: column; }
  .main-nav a { padding: 13px 12px; font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .contact-main { grid-template-columns: 1fr; }
  .process-track { grid-template-columns: 1fr; gap: 26px; }
  .process-track::before { display: none; }
  .process-step { display: grid; grid-template-columns: 60px 1fr; gap: 16px; text-align: left; align-items: center; }
  .process-num { margin: 0; }
  .timeline { grid-template-columns: 92px 36px 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 6px; }
  .hero-stat:nth-child(3) { border-left: 0; }
  .hero-stat { padding: 20px 12px 24px; }
  .hero-stat + .hero-stat { border-left: 0; }
  .hero-stat:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, 0.12); }
  .hero-stat:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, 0.12); }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .contact-cards { grid-template-columns: 1fr; }
  .hero-chip { display: none; }
}