/* ============================================================
   得云集团官网 — 设计系统
   设计概念：「云上生态」— 深松绿 × 云雾白 × 流动轮廓
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face {
  font-family: 'Deyun Serif';
  src: url('/deyun/assets/font/NotoSerifSC-sub.woff2') format('woff2');
  font-weight: 200 900;
  font-display: swap;
  unicode-range: U+0-7E, U+2000-206F, U+3000-303F, U+4E00-9FFF, U+FF00-FFEF;
}

/* ---------- 令牌 ---------- */
:root {
  /* 色彩 */
  --ink: #101d19;
  --ink-2: #3c4f49;
  --ink-3: #6f7f79;
  --paper: #fafcfa;
  --card: #ffffff;
  --mist: #f0f6f2;
  --mist-2: #e6f0ea;
  --line: #dbe7e0;
  --brand: #0e6e5c;
  --brand-deep: #0a5044;
  --brand-ink: #0b2923;
  --brand-bright: #17a583;
  --brand-tint: #d9efe6;
  --sky: #0a8ce9;
  --gold: #c99a3f;

  /* 字体 */
  --serif: 'Deyun Serif', 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'HarmonyOS Sans SC', 'MiSans', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;

  /* 节奏 */
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --sec-pad: clamp(72px, 10vw, 132px);
  --radius: 22px;
  --radius-sm: 14px;

  /* 阴影 */
  --shadow-1: 0 1px 2px rgba(11, 41, 35, 0.05), 0 8px 24px rgba(11, 41, 35, 0.06);
  --shadow-2: 0 2px 6px rgba(11, 41, 35, 0.07), 0 24px 56px rgba(11, 41, 35, 0.12);
  --shadow-3: 0 32px 80px rgba(8, 32, 27, 0.24);

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.9s;
}

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

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--brand-tint); color: var(--brand-deep); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 24px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--brand-deep);
  color: #fff;
  border-radius: 999px;
  transition: top 0.3s var(--ease);
}
.skip-link:focus { top: 16px; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- 排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 640;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 22px;
  font-size: 13px;
}
.eyebrow span {
  color: var(--brand);
  font-weight: 600;
  letter-spacing: 0.32em;
}
.eyebrow i {
  font-style: normal;
  color: var(--ink-3);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.sec { padding-block: var(--sec-pad); position: relative; }
.sec-tint { background: var(--mist); }

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 6vw, 72px); }
.sec-head-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.sec-head-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--brand-deep);
  white-space: nowrap;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, color 0.3s;
}
.sec-head-link svg { transition: transform 0.35s var(--ease); }
.sec-head-link:hover { border-color: var(--brand); }
.sec-head-link:hover svg { transform: translateX(4px); }
.sec-title {
  font-size: clamp(32px, 4.8vw, 52px);
  margin-top: 6px;
  font-weight: 660;
}
.sec-desc { color: var(--ink-2); font-size: 17px; margin: 18px 0 0; }

.prose { font-size: 16.5px; color: var(--ink-2); }
.prose + .prose { margin-top: 1em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1.5px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 28px rgba(14, 110, 92, 0.28);
}
.btn-primary:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(14, 110, 92, 0.36);
}

.btn-ghost {
  color: var(--brand-deep);
  border-color: var(--line);
  background: transparent;
}
.btn-ghost:hover {
  border-color: var(--brand);
  background: var(--brand-tint);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--brand-ink);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }

.btn-outline {
  color: #e7f3ee;
  border-color: rgba(231, 243, 238, 0.4);
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }

.btn-block { width: 100%; }

/* ---------- 头部（默认透明压暗图：浅色字；滚动后玻璃浅底：深色字） ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding-block: 14px;
  transition: transform 0.45s var(--ease), background 0.45s var(--ease), box-shadow 0.45s var(--ease), padding 0.45s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(250, 252, 250, 0.86);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 1px 0 rgba(11, 41, 35, 0.07), 0 12px 40px rgba(11, 41, 35, 0.07);
  padding-block: 10px;
}
.site-header.is-hidden { transform: translateY(-110%); }

.nav-wrap { display: flex; align-items: center; gap: 32px; }

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 40px; height: 40px; flex: none; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.2; }
.brand-txt b { font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: 0.14em; color: #f4faf7; transition: color 0.45s; }
.brand-txt i { font-style: normal; font-size: 9px; letter-spacing: 0.3em; color: rgba(233, 244, 238, 0.62); font-weight: 600; transition: color 0.45s; }
.site-header.is-scrolled .brand-txt b { color: var(--brand-ink); }
.site-header.is-scrolled .brand-txt i { color: var(--ink-3); }

.site-nav { display: flex; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(233, 244, 238, 0.92);
  border-radius: 999px;
  transition: color 0.45s, background 0.45s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: #7fe0bf;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.nav-link:hover { color: #fff; }
.nav-link:hover::after { transform: scaleX(0.5); }
.nav-link.is-active { color: #fff; font-weight: 600; }
.nav-link.is-active::after { transform: scaleX(1); }
.site-header.is-scrolled .nav-link { color: var(--ink-2); }
.site-header.is-scrolled .nav-link:hover { color: var(--brand-deep); }
.site-header.is-scrolled .nav-link::after { background: var(--brand); }
.site-header.is-scrolled .nav-link.is-active { color: var(--brand-deep); }

.nav-cta { display: flex; align-items: center; gap: 14px; }
.tel-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: #eaf6f0;
  background: rgba(10, 80, 68, 0.45);
  border: 1px solid rgba(127, 224, 191, 0.35);
  backdrop-filter: blur(8px);
  transition: background 0.45s, color 0.45s, border-color 0.45s, transform 0.3s var(--ease);
}
.tel-pill:hover { background: var(--brand-bright); color: #fff; border-color: var(--brand-bright); transform: translateY(-1px); }
.site-header.is-scrolled .tel-pill {
  color: var(--brand-deep);
  background: var(--brand-tint);
  border-color: transparent;
}
.site-header.is-scrolled .tel-pill:hover { background: var(--brand-bright); color: #fff; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(233, 244, 238, 0.35);
  border-radius: 12px;
  background: rgba(8, 26, 22, 0.35);
  backdrop-filter: blur(8px);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: #eaf6f0;
  border-radius: 2px;
  transition: transform 0.35s var(--ease), top 0.35s var(--ease), opacity 0.3s;
}
.site-header.is-scrolled .nav-toggle { border-color: var(--line); background: rgba(255, 255, 255, 0.7); }
.site-header.is-scrolled .nav-toggle span { background: var(--brand-ink); }
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle[aria-expanded='true'] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle[aria-expanded='true'] span:nth-child(2) { top: 20px; transform: rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: 110px;
  background: var(--brand-ink);
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.66;
  transform: scale(1.04);
  animation: heroDrift 22s var(--ease) infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.04) translate(0, 0); }
  to { transform: scale(1.1) translate(-1.5%, -1%); }
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(184deg, rgba(10, 30, 25, 0.34) 0%, rgba(10, 30, 25, 0.58) 44%, rgba(8, 26, 22, 0.95) 100%),
    linear-gradient(100deg, rgba(8, 26, 22, 0.72) 0%, rgba(8, 26, 22, 0.28) 52%, rgba(8, 26, 22, 0.06) 100%),
    radial-gradient(120% 90% at 18% 30%, rgba(23, 165, 131, 0.16) 0%, transparent 55%);
}
.hero-contour {
  position: absolute;
  inset: auto 0 -6% 0;
  width: 100%;
  height: 46%;
  opacity: 0.9;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(36px, 6vh, 72px);
  padding-block: 60px 40px;
}
.hero-copy { max-width: 780px; }
.hero .eyebrow span { color: #9fdcc7; }
.hero .eyebrow i { color: rgba(233, 244, 238, 0.55); border-color: rgba(233, 244, 238, 0.2); }

.hero-title {
  font-size: clamp(46px, 7.6vw, 90px);
  font-weight: 700;
  color: #f6fbf8;
  line-height: 1.14;
  letter-spacing: 0.014em;
  text-wrap: balance;
  text-shadow: 0 6px 48px rgba(4, 18, 14, 0.5);
}
.hero-title em {
  font-style: normal;
  color: #7fe0bf;
  position: relative;
}
.hero-title em::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 10px;
  background: linear-gradient(90deg, rgba(127, 224, 191, 0.28), transparent);
  border-radius: 6px;
  z-index: -1;
}
.hero-sub {
  color: rgba(233, 244, 238, 0.85);
  font-size: clamp(15.5px, 1.6vw, 18px);
  max-width: 640px;
  margin: 26px 0 0;
  text-shadow: 0 2px 20px rgba(4, 18, 14, 0.5);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  border-top: 1px solid rgba(233, 244, 238, 0.16);
  backdrop-filter: blur(6px);
}
.hero-stat {
  padding: 26px 28px 4px 0;
  border-right: 1px solid rgba(233, 244, 238, 0.12);
}
.hero-stat:last-child { border-right: 0; }
.hero-stat dt { display: flex; align-items: baseline; gap: 2px; color: #fff; }
.stat-num {
  font-family: var(--serif);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}
.stat-suffix { font-family: var(--serif); font-size: 22px; color: #7fe0bf; }
.stat-unit { font-size: 14px; color: rgba(233, 244, 238, 0.7); margin-left: 6px; }
.hero-stat dd { margin: 10px 0 0; font-size: 13px; color: rgba(233, 244, 238, 0.72); letter-spacing: 0.04em; }

.scroll-hint {
  position: absolute;
  right: 38px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: rgba(233, 244, 238, 0.6);
  writing-mode: vertical-rl;
}
.scroll-hint span {
  width: 1px;
  height: 56px;
  background: linear-gradient(rgba(233, 244, 238, 0.6), transparent);
  animation: hintDrop 2.2s ease-in-out infinite;
}
@keyframes hintDrop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 跑马灯 ---------- */
.marquee {
  overflow: hidden;
  background: var(--brand-ink);
  border-top: 1px solid rgba(233, 244, 238, 0.1);
  padding-block: 18px;
  position: relative;
  z-index: 2;
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 36px;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee-track span {
  color: rgba(233, 244, 238, 0.66);
  font-size: 13px;
  letter-spacing: 0.34em;
  white-space: nowrap;
}
.marquee-track i { color: var(--brand-bright); font-style: normal; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- 关于速览 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.about-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  transform: rotate(-1.2deg);
}
.about-media img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; transition: transform 1.2s var(--ease); }
.about-media:hover img { transform: scale(1.04); }
.about-cap {
  position: absolute;
  left: 18px;
  bottom: 18px;
  margin: 0;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(8, 26, 22, 0.55);
  backdrop-filter: blur(10px);
  color: #eef8f3;
  font-size: 12.5px;
  letter-spacing: 0.12em;
}
.about-lead { font-size: 17.5px; color: var(--ink); font-weight: 500; }
.about-note { color: var(--ink-2); margin-top: 14px; }
.about-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

/* ---------- 业务卡片 ---------- */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
}
.biz-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s;
  position: relative;
}
.biz-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2);
  border-color: transparent;
}
.biz-card-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 2.9;
}
.biz-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s;
  filter: saturate(0.92);
}
.biz-card:hover .biz-card-media img { transform: scale(1.07); filter: saturate(1.05); }
.biz-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 55%, rgba(8, 26, 22, 0.35));
}
.biz-card-index {
  position: absolute;
  top: 14px;
  left: 18px;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.18em;
  color: #fff;
  z-index: 2;
}
.biz-card-index::before {
  content: '';
  display: inline-block;
  width: 26px;
  height: 1px;
  background: currentColor;
  vertical-align: middle;
  margin-right: 10px;
  opacity: 0.7;
}
.biz-card-body { padding: 26px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.biz-card-body h3 { font-size: 23px; }
.biz-card-en { font-size: 11px; letter-spacing: 0.3em; color: var(--brand); text-transform: uppercase; margin: 8px 0 0; font-weight: 600; }
.biz-card-line { color: var(--ink-2); font-size: 14.5px; margin: 14px 0 0; flex: 1; }
.biz-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand-deep);
  letter-spacing: 0.08em;
}
.biz-card-cta svg { transition: transform 0.35s var(--ease); }
.biz-card:hover .biz-card-cta svg { transform: translateX(6px); }
.biz-more { text-align: center; margin: clamp(36px, 5vw, 56px) 0 0; }

/* ---------- 生态图谱 ---------- */
.sec-eco {
  background: var(--brand-ink);
  color: #e9f4ee;
  overflow: hidden;
}
.sec-eco .sec-title { color: #f4faf7; }
.sec-eco .eyebrow span { color: #7fe0bf; }
.sec-eco .eyebrow i { color: rgba(233, 244, 238, 0.5); border-color: rgba(233, 244, 238, 0.2); }
.sec-eco .sec-desc { color: rgba(233, 244, 238, 0.75); }
.eco-contour { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.35; }
.eco-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(233, 244, 238, 0.1);
  padding: clamp(28px, 4vw, 56px);
}
.eco-svg { width: 100%; height: auto; }
.eco-lines line, .eco-lines path {
  stroke: rgba(233, 244, 238, 0.2);
  stroke-width: 1;
  stroke-dasharray: 3 6;
  fill: none;
  transition: stroke 0.4s;
}
.eco-node { cursor: pointer; }
.eco-node-ring {
  fill: rgba(255, 255, 255, 0.02);
  stroke: rgba(233, 244, 238, 0.25);
  stroke-width: 1;
  transition: all 0.45s var(--ease);
}
.eco-node-dot {
  fill: rgba(23, 165, 131, 0.16);
  stroke: rgba(127, 224, 191, 0.4);
  stroke-width: 1.2;
  transition: all 0.45s var(--ease);
}
.eco-node-name { fill: #e9f4ee; font-size: 17px; font-weight: 600; font-family: var(--sans); }
.eco-node-en { fill: rgba(233, 244, 238, 0.45); font-size: 8.5px; letter-spacing: 0.2em; font-family: var(--sans); }
.eco-node:hover .eco-node-ring, .eco-node.is-active .eco-node-ring {
  stroke: #7fe0bf;
  stroke-width: 1.6;
  transform-box: fill-box;
  transform-origin: center;
  animation: ecoPulse 1.8s ease-in-out infinite;
}
.eco-node:hover .eco-node-dot, .eco-node.is-active .eco-node-dot { fill: rgba(23, 165, 131, 0.42); }
@keyframes ecoPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.eco-center-ring {
  fill: none;
  stroke: rgba(127, 224, 191, 0.5);
  stroke-width: 1;
  stroke-dasharray: 2 5;
  animation: ecoSpin 40s linear infinite;
  transform-origin: 400px 320px;
}
@keyframes ecoSpin { to { transform: rotate(360deg); } }
.eco-center-dot {
  fill: rgba(23, 165, 131, 0.22);
  stroke: #7fe0bf;
  stroke-width: 1.4;
}
.eco-center-name { fill: #fff; font-size: 22px; font-weight: 700; font-family: var(--serif); }
.eco-center-en { fill: rgba(233, 244, 238, 0.5); font-size: 8px; letter-spacing: 0.3em; font-family: var(--sans); }

.eco-panel {
  min-height: 260px;
  border-left: 1px solid rgba(233, 244, 238, 0.14);
  padding-left: clamp(24px, 3vw, 40px);
}
.eco-panel-hint { color: rgba(233, 244, 238, 0.55); font-size: 14px; line-height: 2; }
.eco-panel-body h3 { color: #fff; font-size: 24px; }
.eco-panel-body .eco-panel-en { color: #7fe0bf; font-size: 11px; letter-spacing: 0.3em; margin: 6px 0 14px; }
.eco-panel-body p { color: rgba(233, 244, 238, 0.78); font-size: 14.5px; }
.eco-panel-body .eco-panel-link {
  display: inline-block;
  margin-top: 16px;
  color: #7fe0bf;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-bottom: 1px solid rgba(127, 224, 191, 0.4);
  padding-bottom: 3px;
}

/* ---------- 数据带（生态区块内嵌，暗色） ---------- */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid rgba(233, 244, 238, 0.16);
}
.stats-item { text-align: center; position: relative; padding: 6px 16px; }
.stats-item + .stats-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: rgba(233, 244, 238, 0.14);
}
.stats-num {
  margin: 0;
  color: #fff;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
}
.stats-num span {
  font-family: var(--serif);
  font-size: clamp(38px, 4.2vw, 54px);
  font-weight: 620;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stats-num i { font-family: var(--serif); font-size: 24px; color: #7fe0bf; font-style: normal; }
.stats-num em { font-size: 15px; color: rgba(233, 244, 238, 0.65); font-style: normal; }
.stats-label { margin: 12px 0 0; color: rgba(233, 244, 238, 0.6); font-size: 13.5px; letter-spacing: 0.08em; }

/* ---------- 时间线 ---------- */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 8px;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
  border-radius: 2px;
}
.timeline .tl-progress {
  position: absolute;
  left: 8px;
  top: 8px;
  width: 2px;
  height: 0;
  background: linear-gradient(var(--brand-bright), var(--brand));
  border-radius: 2px;
  transition: height 0.2s linear;
}
.tl-item {
  position: relative;
  padding: 0 0 clamp(36px, 4vw, 56px) clamp(38px, 5vw, 64px);
}
.tl-item:last-child { padding-bottom: 0; }
/* 圆点节点：仅作轴线锚点，年份进入正文流，杜绝重叠 */
.tl-marker {
  position: absolute;
  left: -9px;
  top: 9px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--brand-bright);
  box-shadow: 0 0 0 5px var(--paper);
  transition: background 0.35s var(--ease), transform 0.35s var(--ease);
}
.tl-item:hover .tl-marker { background: var(--brand-bright); transform: scale(1.12); }
.tl-year {
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--brand-deep);
  letter-spacing: 0.03em;
  line-height: 1;
  margin: 0;
}
.tl-tag {
  display: inline-block;
  margin: 14px 0 0;
  font-size: 11.5px;
  letter-spacing: 0.28em;
  color: var(--brand);
  font-weight: 600;
}
.tl-title { font-size: clamp(19px, 2vw, 24px); margin-top: 8px; }
.tl-desc { color: var(--ink-2); margin: 10px 0 0; max-width: 640px; font-size: 15px; }

/* ---------- 文化 ---------- */
.sec-culture { background: var(--mist); }
.culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 28px); }
.culture-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(30px, 3.4vw, 46px);
  position: relative;
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.culture-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-bright), var(--sky));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.culture-card:hover::before { transform: scaleX(1); }
.culture-en { font-size: 11px; letter-spacing: 0.34em; color: var(--brand); font-weight: 700; margin: 0 0 16px; }
.culture-card h3 { font-size: 16px; color: var(--ink-3); font-weight: 600; letter-spacing: 0.5em; }
.culture-big {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 25px);
  font-weight: 640;
  color: var(--brand-ink);
  line-height: 1.7;
  margin: 18px 0 0;
  text-wrap: balance;
}
.culture-values { letter-spacing: 0.08em; }

/* ---------- 荣誉 ---------- */
.honors-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(14px, 1.8vw, 22px);
}
.honor-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
  position: relative;
}
.honor-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); }
.honor-item svg { color: var(--gold); }
.honor-title { margin: 0; font-weight: 600; font-size: 15.5px; color: var(--ink); }
.honor-org { margin: 0; font-size: 13px; color: var(--ink-3); }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.4vw, 28px); }
.news-grid--list { grid-template-columns: 1fr; max-width: 900px; }
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.news-card-media { margin: 0; overflow: hidden; aspect-ratio: 16 / 10; }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.news-card:hover .news-card-media img { transform: scale(1.06); }
.news-card-body { padding: 26px 28px 30px; display: flex; flex-direction: column; flex: 1; }
.news-card-meta { display: flex; align-items: center; gap: 14px; margin: 0; font-size: 12.5px; color: var(--ink-3); }
.news-cat {
  color: var(--brand-deep);
  background: var(--brand-tint);
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.news-card-body h3 { font-size: 19px; line-height: 1.5; margin-top: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-sum { color: var(--ink-2); font-size: 14px; margin: 10px 0 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand-deep);
  letter-spacing: 0.08em;
}
.news-card-more svg { transition: transform 0.35s var(--ease); }
.news-card:hover .news-card-more svg { transform: translateX(5px); }
.news-more { text-align: center; margin: clamp(36px, 5vw, 56px) 0 0; }

.news-card--row { flex-direction: row; align-items: stretch; }
.news-card--row .news-card-media { flex: 0 0 320px; aspect-ratio: auto; }
.news-card--row .news-card-body h3 { -webkit-line-clamp: 1; }

/* ---------- CTA ---------- */
.sec-cta { background: var(--brand-ink); position: relative; overflow: hidden; }
.cta-contour { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.4; }
.cta-band { position: relative; text-align: center; max-width: 760px; margin: 0 auto; }
.cta-band h2 {
  color: #f4faf7;
  font-size: clamp(30px, 4.4vw, 48px);
}
.cta-band p { color: rgba(233, 244, 238, 0.75); margin: 22px 0 0; font-size: 16.5px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 36px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #081511;
  color: rgba(233, 244, 238, 0.75);
  padding: clamp(56px, 8vw, 96px) 0 36px;
  font-size: 14px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid rgba(233, 244, 238, 0.1);
}
.footer-logo { display: flex; align-items: center; gap: 14px; }
.footer-logo b { display: block; color: #fff; font-family: var(--serif); font-size: 17px; letter-spacing: 0.06em; }
.footer-logo span { display: block; font-size: 10.5px; letter-spacing: 0.18em; color: rgba(233, 244, 238, 0.45); margin-top: 4px; }
.footer-slogan { font-family: var(--serif); color: #9fdcc7; font-size: 19px; margin: 26px 0 0; letter-spacing: 0.1em; }
.footer-contact { margin: 26px 0 0; display: grid; gap: 10px; }
.footer-contact p { display: flex; align-items: center; gap: 10px; margin: 0; color: rgba(233, 244, 238, 0.68); font-size: 13.5px; }
.footer-contact svg { color: #5cbfa3; flex: none; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.footer-col h3 {
  color: #fff;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin: 0 0 20px;
}
.footer-col a {
  display: block;
  padding: 7px 0;
  color: rgba(233, 244, 238, 0.62);
  font-size: 14px;
  transition: color 0.3s, transform 0.3s var(--ease);
}
.footer-col a:hover { color: #7fe0bf; transform: translateX(4px); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 30px;
  font-size: 12.5px;
  color: rgba(233, 244, 238, 0.4);
}
.footer-bottom p { margin: 0; }
.footer-ai a { color: rgba(233, 244, 238, 0.55); text-decoration: underline dotted; text-underline-offset: 4px; }
.footer-ai a:hover { color: #7fe0bf; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: clamp(150px, 22vw, 220px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
  background: var(--brand-ink);
}
.page-hero-media { position: absolute; inset: 0; }
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.4; }
.page-hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(185deg, rgba(8, 26, 22, 0.55) 0%, rgba(8, 26, 22, 0.82) 70%, rgba(8, 26, 22, 0.96) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .eyebrow span { color: #9fdcc7; }
.page-hero .eyebrow i { color: rgba(233, 244, 238, 0.5); border-color: rgba(233, 244, 238, 0.2); }
.page-hero h1 {
  color: #f4faf7;
  font-size: clamp(34px, 5.4vw, 62px);
  margin-top: 8px;
  text-wrap: balance;
}
.page-hero-sub { color: rgba(233, 244, 238, 0.8); max-width: 620px; margin: 22px 0 0; font-size: 16.5px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(233, 244, 238, 0.55);
  margin-bottom: 26px;
  letter-spacing: 0.1em;
}
.breadcrumb i { font-style: normal; opacity: 0.5; }
.breadcrumb a:hover { color: #7fe0bf; }
.biz-hero-index {
  font-family: var(--serif);
  color: rgba(127, 224, 191, 0.75);
  font-size: 15px;
  letter-spacing: 0.3em;
  margin: 0 0 14px;
}

/* ---------- Split 布局（关于页） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 88px); align-items: center; }
.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-2);
  position: relative;
  transform: rotate(1deg);
}
.split-media img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.split-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 18px 24px 20px;
  color: rgba(233, 244, 238, 0.9);
  font-size: 13px;
  letter-spacing: 0.14em;
  background: linear-gradient(transparent, rgba(8, 26, 22, 0.78));
}
.mini-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.mini-facts div {
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.mini-facts b { display: block; font-family: var(--serif); font-size: 26px; color: var(--brand-deep); font-weight: 640; }
.mini-facts span { font-size: 12.5px; color: var(--ink-3); letter-spacing: 0.06em; }

/* ---------- 团队 ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 24px); }
.team-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 3vw, 40px) 24px;
  text-align: center;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.team-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-1); }
.team-num { margin: 0; color: var(--brand-deep); }
.team-num span { font-family: var(--serif); font-size: clamp(38px, 4vw, 52px); font-weight: 620; line-height: 1; font-variant-numeric: tabular-nums; }
.team-num em { font-style: normal; font-size: 15px; color: var(--ink-3); margin-left: 4px; }
.team-role { margin: 14px 0 0; font-size: 14.5px; color: var(--ink-2); font-weight: 500; }
.team-note { text-align: center; color: var(--ink-3); max-width: 640px; margin: 34px auto 0; font-size: 14px; }

/* ---------- 子品牌 ---------- */
.brands-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 24px); }
.brand-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(26px, 3vw, 38px);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  position: relative;
  overflow: hidden;
}
.brand-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.brand-index {
  font-family: var(--serif);
  font-size: 44px;
  color: var(--mist-2);
  font-weight: 700;
  margin: 0;
  position: absolute;
  right: 18px;
  top: 10px;
  transition: color 0.5s;
}
.brand-card:hover .brand-index { color: var(--brand-tint); }
.brand-card h3 { font-size: 22px; position: relative; }
.brand-note { color: var(--brand); font-size: 12.5px; letter-spacing: 0.1em; margin: 10px 0 0; font-weight: 600; }
.brand-desc { color: var(--ink-2); font-size: 14px; margin: 14px 0 0; }

/* ---------- 业务总览 ---------- */
.biz-index-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(44px, 6vw, 72px);
}
.biz-index-nav a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--card);
  transition: all 0.35s var(--ease);
}
.biz-index-nav a i { font-style: normal; font-family: var(--serif); color: var(--brand-bright); font-size: 13px; }
.biz-index-nav a:hover { border-color: var(--brand); color: var(--brand-deep); transform: translateY(-2px); box-shadow: var(--shadow-1); }

.biz-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(36px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}
.biz-detail:first-child { border-top: 0; padding-top: 0; }
.biz-detail:nth-child(even) .biz-detail-media { order: 2; }
.biz-detail-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.biz-detail-media img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; transition: transform 1s var(--ease); }
.biz-detail-media:hover img { transform: scale(1.05); }
.biz-detail-index {
  position: absolute;
  top: 20px;
  left: 22px;
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.2em;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}
.biz-detail-en { font-size: 11px; letter-spacing: 0.3em; color: var(--brand); text-transform: uppercase; font-weight: 700; margin: 0; }
.biz-detail-body h2 { font-size: clamp(26px, 3vw, 36px); margin-top: 12px; }
.biz-detail-brand { color: var(--ink-3); font-size: 14.5px; margin: 10px 0 0; }
.biz-detail-body .prose { margin-top: 18px; }
.chip-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 22px 0 0;
}
.chip-row li {
  padding: 6px 14px;
  background: var(--mist);
  color: var(--brand-deep);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.chip-row--lg li { font-size: 13.5px; padding: 8px 18px; }

/* ---------- 业务详情页 ---------- */
.biz-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.biz-summary h2, .biz-caps h2, .biz-scope h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  margin-bottom: 18px;
  padding-bottom: 14px;
  position: relative;
}
.biz-summary h2::after, .biz-caps h2::after, .biz-scope h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--brand-bright), var(--sky));
}
.biz-caps { margin-top: clamp(44px, 5vw, 64px); }
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cap-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 26px 28px;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.cap-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); }
.cap-card h3 { font-size: 17px; color: var(--brand-ink); }
.cap-card p { margin: 10px 0 0; font-size: 14px; color: var(--ink-2); }
.biz-scope { margin-top: clamp(44px, 5vw, 64px); }

.biz-side { position: sticky; top: 110px; display: grid; gap: 20px; }
.side-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
}
.side-card h3 { font-size: 16px; letter-spacing: 0.2em; color: var(--ink-3); font-family: var(--sans); font-weight: 600; margin: 0 0 18px; }
.side-card dl { margin: 0; }
.side-card dl > div { display: flex; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.side-card dl > div:last-child { border-bottom: 0; }
.side-card dt { color: var(--ink-3); font-size: 13.5px; }
.side-card dd { margin: 0; font-weight: 600; color: var(--brand-ink); font-size: 14px; text-align: right; }
.side-card--cta { background: var(--brand-ink); border-color: transparent; color: #e9f4ee; }
.side-card--cta h3 { color: rgba(233, 244, 238, 0.6); }
.side-card--cta > p { margin: 0 0 14px; font-size: 13.5px; color: rgba(233, 244, 238, 0.7); }
.side-tel {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 640;
  color: #7fe0bf;
  padding: 10px 0;
  letter-spacing: 0.04em;
}
.side-tel:hover { color: #fff; }
.side-card--rel .rel-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.3s, transform 0.3s var(--ease);
}
.side-card--rel .rel-link:last-child { border-bottom: 0; }
.side-card--rel .rel-link:hover { color: var(--brand-deep); transform: translateX(4px); }
.side-card--rel .rel-link i { font-style: normal; font-family: var(--serif); color: var(--brand-bright); font-size: 14px; }

/* ---------- 文章页 ---------- */
.article-hero {
  background: var(--brand-ink);
  padding: clamp(140px, 20vw, 200px) 0 clamp(48px, 6vw, 80px);
  position: relative;
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute;
  inset: auto -20% -60% -20%;
  height: 80%;
  background: radial-gradient(50% 60% at 50% 0%, rgba(23, 165, 131, 0.22), transparent 70%);
}
.article-hero .container { position: relative; z-index: 1; }
.article-meta { display: flex; align-items: center; gap: 14px; margin: 0 0 20px; font-size: 13.5px; color: rgba(233, 244, 238, 0.6); }
.article-hero h1 {
  color: #f4faf7;
  font-size: clamp(26px, 4vw, 44px);
  max-width: 880px;
  text-wrap: balance;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: clamp(36px, 5vw, 72px);
  padding-top: clamp(44px, 6vw, 72px);
}
.article-body { max-width: 760px; }
.article-cover {
  margin: 0 0 36px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}
.article-body > p {
  font-size: 16.5px;
  line-height: 2.1;
  color: var(--ink-2);
  margin: 0 0 1.3em;
}
.article-end {
  text-align: center;
  color: var(--ink-3);
  letter-spacing: 1em;
  margin: 44px 0 0;
}
.article-back { margin-top: 32px; }
.article-side { position: sticky; top: 110px; }
.article-side h3 {
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  font-family: var(--sans);
  font-weight: 600;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--brand-tint);
}
.rel-news {
  display: block;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}
.rel-news:last-child { border-bottom: 0; }
.rel-news h4 {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.7;
  margin: 8px 0 0;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rel-news:hover h4 { color: var(--brand-deep); }

/* ---------- 联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.contact-cards { display: grid; gap: 18px; }
.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); }
.contact-card h3 { font-size: 15px; letter-spacing: 0.24em; color: var(--ink-3); font-family: var(--sans); font-weight: 600; margin: 0 0 12px; }
.contact-line { margin: 0; font-size: 15.5px; color: var(--ink); font-weight: 500; line-height: 1.8; }
.contact-sub { margin: 8px 0 0; font-size: 13px; color: var(--ink-3); }
.contact-tel {
  display: block;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 640;
  color: var(--brand-deep);
  letter-spacing: 0.04em;
}
.contact-tel:hover { color: var(--brand); }

.contact-form-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(30px, 4vw, 48px);
  box-shadow: var(--shadow-1);
  position: relative;
}
.contact-form-wrap h2 { font-size: clamp(24px, 2.6vw, 32px); }
.contact-form-note { color: var(--ink-3); font-size: 14px; margin: 12px 0 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 8px; letter-spacing: 0.05em; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(23, 165, 131, 0.12);
}
.form-field input.is-invalid, .form-field textarea.is-invalid { border-color: #d06a4f; box-shadow: 0 0 0 4px rgba(208, 106, 79, 0.1); }
.form-privacy { font-size: 12.5px; color: var(--ink-3); margin: 6px 0 20px; }
.form-success {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: var(--card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  color: var(--brand-deep);
}
.form-success svg { color: var(--brand-bright); }
.form-success h3 { font-size: 24px; margin-top: 18px; }
.form-success p { margin: 12px 0 0; color: var(--ink-2); }
.form-success-tel { font-size: 14px; }
.form-success-tel a { color: var(--brand); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; }
.form-success .btn { margin-top: 26px; }

/* ---------- 404 ---------- */
.sec-404 { text-align: center; padding-top: clamp(160px, 24vw, 240px); }
.nf-code {
  font-family: var(--serif);
  font-size: clamp(90px, 16vw, 170px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px var(--brand-bright);
  margin: 0 0 10px;
}
.sec-404 h1 { font-size: clamp(26px, 3.4vw, 40px); }
.sec-404 .prose { margin: 18px auto 0; max-width: 460px; }
.sec-404 .cta-actions { margin-top: 36px; }

/* ---------- Reveal 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal, .reveal.is-in { pointer-events: auto; }
html.no-js .reveal { opacity: 1; transform: none; }

/* ---------- 统一图像调色（品牌微染，让全站影像成为一个家族） ---------- */
.biz-card-media img,
.news-card-media img,
.biz-detail-media img,
.split-media img,
.about-media img,
.article-cover img,
.page-hero-media img {
  filter: saturate(0.88) contrast(1.04) brightness(0.99);
}
.biz-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(14, 110, 92, 0.10) 0%, transparent 46%, rgba(8, 26, 22, 0.38) 100%);
}
.page-hero-media img { filter: saturate(0.85) contrast(1.05); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .culture-grid, .honors-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .brands-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .eco-wrap { grid-template-columns: 1fr; }
  .eco-panel { border-left: 0; border-top: 1px solid rgba(233, 244, 238, 0.14); padding: 26px 0 0; min-height: 0; }
  .biz-layout { grid-template-columns: 1fr; }
  .biz-side { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
}

@media (max-width: 860px) {
  .site-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 340px);
    flex-direction: column;
    gap: 4px;
    padding: 96px 28px 40px;
    background: rgba(250, 252, 250, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: -20px 0 60px rgba(11, 41, 35, 0.14);
    transform: translateX(105%);
    transition: transform 0.5s var(--ease);
    margin: 0;
    z-index: 90;
  }
  .site-nav.is-open { transform: none; }
  .nav-link { font-size: 17px; padding: 13px 16px; border-radius: 14px; }
  .nav-link:hover { background: var(--mist); }
  .nav-link.is-active { background: var(--brand-tint); }
  .nav-toggle { display: block; }
  .nav-cta .tel-pill span { display: none; }
  .nav-cta .tel-pill { padding: 10px 12px; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  /* 移动端：标题区常压在亮天空上，加深遮罩保证对比度 */
  .hero-veil {
    background:
      linear-gradient(184deg, rgba(10, 30, 25, 0.5) 0%, rgba(10, 30, 25, 0.66) 44%, rgba(8, 26, 22, 0.96) 100%),
      linear-gradient(100deg, rgba(8, 26, 22, 0.8) 0%, rgba(8, 26, 22, 0.42) 60%, rgba(8, 26, 22, 0.12) 100%),
      radial-gradient(120% 90% at 18% 30%, rgba(23, 165, 131, 0.16) 0%, transparent 55%);
  }
  .hero-stat { border-bottom: 1px solid rgba(233, 244, 238, 0.12); border-right: 1px solid rgba(233, 244, 238, 0.12); padding: 20px 16px 14px; }
  .hero-stat:nth-child(2n) { border-right: 0; }
  .hero-stat:nth-child(3), .hero-stat:nth-child(4) { border-bottom: 0; }
  .about-grid, .split { grid-template-columns: 1fr; }
  .split-media { transform: none; order: -1; }
  .biz-detail { grid-template-columns: 1fr; }
  .biz-detail:nth-child(even) .biz-detail-media { order: 0; }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .stats-item:nth-child(3)::before { display: none; }
  .news-card--row { flex-direction: column; }
  .news-card--row .news-card-media { flex: none; aspect-ratio: 16 / 9; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .biz-grid, .culture-grid, .honors-grid, .news-grid, .brands-grid, .team-grid { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .mini-facts { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .mini-facts b { font-size: 19px; }
  .mini-facts span { font-size: 10.5px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .scroll-hint { display: none; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-media img { animation: none; }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header, .site-footer, .scroll-hint, .marquee, .sec-cta, .eco-panel { display: none !important; }
  body { color: #000; background: #fff; }
}