/* ============================================================
   佳秀百隆 · 网站即将开通（Coming Soon）
   设计基线：继承主站 website/assets/css/style.css 的默认主题
   （eco 环保蓝绿 + 暖木色），并保留 5 套主题变量，可一键换肤。
   本文件为独立页面专用，不依赖主站任何资源，可单独部署。
   ============================================================ */

/* ---------- 主题变量（与主站 :root 完全一致） ---------- */
:root {
  /* 主色（eco teal 环保蓝绿）—— 品牌主色 */
  --c-primary: #0e8c7e;
  --c-primary-dark: #0a6258;
  --c-primary-deep: #063e38;
  --c-primary-light: #46b3a6;
  --c-primary-soft: #e4f4f1;

  /* 辅助色（wood 暖木色）—— 品牌温度与点缀 */
  --c-secondary: #9a6b43;
  --c-secondary-light: #c9a27a;
  --c-secondary-soft: #f1e7da;
  --c-wood: #9a6b43;
  --c-wood-light: #c9a27a;
  --c-wood-pale: #f1e7da;

  /* 中性 */
  --c-bg: #f6faf9;
  --c-bg-alt: #eef5f3;
  --c-bg-alt-2: #e6f0ed;
  --c-surface: #ffffff;
  --c-text: #1f2d2a;
  --c-muted: #5c6b67;
  --c-line: #d9e6e2;

  /* 功能色 */
  --c-accent: #e0a526;
  --c-danger: #d9534f;
  --c-ok: #2e9e6b;

  --shadow-sm: 0 2px 8px rgba(11, 93, 84, 0.08);
  --shadow-md: 0 8px 24px rgba(11, 93, 84, 0.12);
  --shadow-lg: 0 18px 48px rgba(11, 93, 84, 0.16);

  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1200px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --font-heading: var(--font);
  --hero-base: linear-gradient(160deg, #f3fbf9 0%, #e7f3f0 100%);
  --hero-glow-1: rgba(79, 179, 166, 0.25);
  --hero-glow-2: rgba(139, 94, 60, 0.12);
  --wood-grain: rgba(139, 94, 60, 0.05);

  --nav-h: 68px;
}

/* A · 工业科技 */
:root[data-theme="industrial"] {
  --c-primary: #1565c0; --c-primary-dark: #0d4a94; --c-primary-deep: #08305f;
  --c-primary-light: #4f9bff; --c-primary-soft: #e8f1fc;
  --c-secondary: #546e7a; --c-secondary-light: #90a4ae; --c-secondary-soft: #eceff1;
  --c-wood: #546e7a; --c-wood-light: #90a4ae; --c-wood-pale: #eceff1;
  --c-bg: #f4f7fb; --c-bg-alt: #eaf0f6; --c-bg-alt-2: #e0e9f2;
  --c-surface: #ffffff; --c-text: #16212b; --c-muted: #5a6b7a; --c-line: #d4dee8;
  --c-accent: #00c2d1;
  --shadow-sm: 0 2px 8px rgba(13, 74, 148, .08);
  --shadow-md: 0 8px 24px rgba(13, 74, 148, .12);
  --shadow-lg: 0 18px 48px rgba(13, 74, 148, .16);
  --radius: 10px; --radius-lg: 16px;
  --hero-base: linear-gradient(160deg, #eef4fb 0%, #dde8f4 100%);
  --hero-glow-1: rgba(33, 150, 243, .22); --hero-glow-2: rgba(0, 188, 212, .14);
  --wood-grain: rgba(84, 110, 122, .05);
}

/* B · 高端专业 */
:root[data-theme="premium"] {
  --c-primary: #9a7b3f; --c-primary-dark: #7a5f2c; --c-primary-deep: #2b2620;
  --c-primary-light: #c2a35e; --c-primary-soft: #f6efe2;
  --c-secondary: #4b4540; --c-secondary-light: #6f655c; --c-secondary-soft: #efeae3;
  --c-wood: #4b4540; --c-wood-light: #6f655c; --c-wood-pale: #efeae3;
  --c-bg: #faf8f5; --c-bg-alt: #f2ede5; --c-bg-alt-2: #ece4d6;
  --c-surface: #ffffff; --c-text: #211f1c; --c-muted: #6b6359; --c-line: #e3dccf;
  --c-accent: #b8893f;
  --shadow-sm: 0 2px 8px rgba(43, 38, 32, .08);
  --shadow-md: 0 8px 24px rgba(43, 38, 32, .10);
  --shadow-lg: 0 18px 48px rgba(43, 38, 32, .14);
  --radius: 12px; --radius-lg: 18px;
  --font-heading: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --hero-base: linear-gradient(160deg, #f7f3ec 0%, #ece3d4 100%);
  --hero-glow-1: rgba(154, 123, 63, .18); --hero-glow-2: rgba(43, 38, 32, .10);
  --wood-grain: rgba(75, 69, 64, .04);
}

/* C · 自然有机 */
:root[data-theme="organic"] {
  --c-primary: #2f7d4f; --c-primary-dark: #225c3a; --c-primary-deep: #143a26;
  --c-primary-light: #5aa877; --c-primary-soft: #e7f2ea;
  --c-secondary: #b08d57; --c-secondary-light: #d2b483; --c-secondary-soft: #f3ece0;
  --c-wood: #b08d57; --c-wood-light: #d2b483; --c-wood-pale: #f3ece0;
  --c-bg: #f6f9f4; --c-bg-alt: #eef4ec; --c-bg-alt-2: #e4eee4;
  --c-surface: #ffffff; --c-text: #1f2a23; --c-muted: #5d6b5f; --c-line: #dbe6dd;
  --c-accent: #d98a3d;
  --shadow-sm: 0 2px 8px rgba(20, 58, 38, .08);
  --shadow-md: 0 8px 24px rgba(20, 58, 38, .10);
  --shadow-lg: 0 18px 48px rgba(20, 58, 38, .14);
  --radius: 16px; --radius-lg: 26px;
  --hero-base: linear-gradient(160deg, #f1f7f1 0%, #e2efe4 100%);
  --hero-glow-1: rgba(47, 125, 79, .20); --hero-glow-2: rgba(176, 141, 87, .12);
  --wood-grain: rgba(176, 141, 87, .04);
}

/* D · 高端木器·环保 旗舰 */
:root[data-theme="luxe-eco"] {
  --c-primary: #2C5F4F; --c-primary-dark: #1E4236; --c-primary-deep: #1E4236;
  --c-primary-light: #4E8472; --c-primary-soft: #E8F0DF;
  --c-secondary: #C2A36B; --c-secondary-light: #D9C39A; --c-secondary-soft: #F3ECDD;
  --c-wood: #C2A36B; --c-wood-light: #D9C39A; --c-wood-pale: #F3ECDD;
  --c-bg: #FAF8F4; --c-bg-alt: #F1EDE4; --c-bg-alt-2: #EFF3EA;
  --c-surface: #FFFFFF; --c-text: #2A2E2A; --c-muted: #6E6A60; --c-line: #E3DDD2;
  --c-accent: #8BAE6B;
  --shadow-sm: 0 2px 8px rgba(28, 35, 32, .06);
  --shadow-md: 0 8px 24px rgba(28, 35, 32, .10);
  --shadow-lg: 0 16px 40px rgba(28, 35, 32, .14);
  --radius: 12px; --radius-lg: 20px;
  --font-heading: "Playfair Display", "Noto Serif SC", "Songti SC", Georgia, serif;
  --hero-base: linear-gradient(160deg, #FAF8F4 0%, #F1EDE4 100%);
  --hero-glow-1: rgba(139, 174, 107, .20); --hero-glow-2: rgba(194, 163, 107, .14);
  --wood-grain: rgba(139, 94, 60, .05);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.75;
  overflow-x: hidden;
  transition: background-color .4s ease, color .4s ease;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--c-primary-dark); text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3 { font-family: var(--font-heading); line-height: 1.3; font-weight: 800; letter-spacing: .5px; }
.container { width: min(var(--maxw), 90%); margin: 0 auto; }

/* ---------- 背景：渐变光晕 + 木纹 + 粒子画布 ---------- */
.bg-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-layer::before {
  content: ""; position: absolute; inset: 0;
  background: var(--hero-base);
}
.bg-layer::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 18% 12%, var(--hero-glow-1) 0%, transparent 62%),
    radial-gradient(52% 46% at 84% 78%, var(--hero-glow-2) 0%, transparent 60%);
}
/* 木纹竖纹（呼应主站 .wood-grain） */
.wood-grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--wood-grain) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(90deg, var(--wood-grain) 0 1px, transparent 1px 22px);
}
#bgCanvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
main, .site-nav, .site-footer { position: relative; z-index: 2; }

/* ---------- 顶部导航 ---------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s, background .3s, border-color .3s;
}
.site-nav.scrolled {
  background: rgba(255, 255, 255, .94);
  border-bottom-color: var(--c-line);
  box-shadow: var(--shadow-sm);
}
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--c-primary-deep); }
.brand .logo {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  display: grid; place-items: center; color: #fff; font-size: 18px; font-weight: 900;
  box-shadow: var(--shadow-sm); flex: none;
}
.brand .logo img { width: 38px; height: 38px; border-radius: 10px; object-fit: cover; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 17px; letter-spacing: 1px; }
.brand-text small { font-size: 10px; font-weight: 500; color: var(--c-muted); letter-spacing: 2px; }

.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  padding: 8px 14px; border-radius: 9px; font-size: 15px; color: var(--c-text);
  transition: background .2s, color .2s; white-space: nowrap;
}
.nav-links a:hover { background: var(--c-primary-soft); color: var(--c-primary-dark); }
.nav-links a.active { color: var(--c-primary-dark); font-weight: 700; background: var(--c-primary-soft); }

.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-phone {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: var(--c-primary-dark);
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--c-line);
  background: rgba(255, 255, 255, .6);
  transition: .2s;
}
.nav-phone:hover { background: var(--c-primary-soft); border-color: var(--c-primary-light); }

.hamburger { display: none; width: 42px; height: 42px; border-radius: 10px; padding: 12px; border: 1px solid var(--c-line); }
.hamburger span { display: block; height: 2px; background: var(--c-primary-deep); border-radius: 2px; transition: .3s; }
.hamburger span + span { margin-top: 5px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  transition: transform .2s, box-shadow .2s, filter .2s, background .2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
  color: #fff; box-shadow: var(--shadow-md);
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-2px); }
.btn-outline {
  border: 1.5px solid var(--c-primary); color: var(--c-primary-dark);
  background: rgba(255, 255, 255, .7);
}
.btn-outline:hover { background: var(--c-primary-soft); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--c-primary-light); outline-offset: 2px; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: calc(var(--nav-h) + 40px) 0 90px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  font-size: 13px; font-weight: 700; color: var(--c-primary-dark);
  box-shadow: var(--shadow-sm); margin-bottom: 26px;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(224, 165, 38, .18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.hero h1 {
  font-size: clamp(38px, 7vw, 74px);
  color: var(--c-primary-deep);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--c-primary) 0%, var(--c-primary-light) 45%, var(--c-secondary) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero .lead {
  max-width: 680px; margin: 0 auto 34px;
  font-size: clamp(15px, 1.7vw, 17px); color: var(--c-muted);
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 52px; }

.hero-stats { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats li {
  min-width: 132px; padding: 18px 22px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-line);
  box-shadow: var(--shadow-sm);
}
.hero-stats strong {
  display: block; font-family: var(--font-heading);
  font-size: 28px; color: var(--c-primary-dark); line-height: 1.2;
}
.hero-stats span { font-size: 12.5px; color: var(--c-muted); }

.scroll-hint { display: block; margin-top: 54px; width: 26px; height: 42px; }
.scroll-hint span {
  display: block; width: 26px; height: 42px; border: 2px solid var(--c-primary-light);
  border-radius: 14px; position: relative;
}
.scroll-hint span::after {
  content: ""; position: absolute; left: 50%; top: 8px;
  width: 4px; height: 8px; margin-left: -2px; border-radius: 2px;
  background: var(--c-primary); animation: wheel 1.8s ease-in-out infinite;
}
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--c-bg-alt); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 54px; }
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-head h2 { font-size: clamp(26px, 3.6vw, 38px); color: var(--c-primary-deep); margin-bottom: 14px; }
.sec-head p { color: var(--c-muted); font-size: 15.5px; }

/* ---------- 关于 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: start; }
.about-text p { color: var(--c-muted); margin-bottom: 16px; font-size: 15.5px; }
.about-text p strong { color: var(--c-text); }
.about-text .vision {
  margin-top: 22px; padding: 18px 22px; border-radius: var(--radius);
  background: var(--c-primary-soft); border-left: 4px solid var(--c-primary);
  color: var(--c-primary-deep); font-weight: 700; font-size: 15px;
}

.feature-list { display: grid; gap: 16px; }
.feature-item {
  display: flex; gap: 16px; padding: 22px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--c-primary-light); }
.feature-ic {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  display: grid; place-items: center; font-size: 20px;
  background: linear-gradient(135deg, var(--c-primary-soft), var(--c-secondary-soft));
}
.feature-item h3 { font-size: 16.5px; margin-bottom: 4px; color: var(--c-primary-deep); }
.feature-item p { font-size: 14px; color: var(--c-muted); }

/* ---------- 服务 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc-card {
  padding: 30px 24px; border-radius: var(--radius-lg);
  background: var(--c-surface); border: 1px solid var(--c-line);
  box-shadow: var(--shadow-sm); text-align: left;
  transition: transform .28s, box-shadow .28s;
  position: relative; overflow: hidden;
}
.svc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-primary-light));
  opacity: 0; transition: opacity .28s;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.svc-card:hover::before { opacity: 1; }
.svc-ic { font-size: 26px; margin-bottom: 14px; }
.svc-card h3 { font-size: 17px; margin-bottom: 8px; color: var(--c-primary-deep); }
.svc-card p { font-size: 14px; color: var(--c-muted); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 46px; align-items: start; }
/* 无表单的单列版：联系卡片横向铺开并居中 */
.contact-grid.single { grid-template-columns: minmax(0, 860px); justify-content: center; }
.contact-grid.single .contact-info { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.contact-info { display: grid; gap: 14px; margin-bottom: 26px; }
.ci-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-line); box-shadow: var(--shadow-sm);
}
.ci-ic {
  width: 40px; height: 40px; border-radius: 10px; flex: none; display: grid; place-items: center;
  font-size: 17px; background: var(--c-primary-soft);
}
.ci-item .k { font-size: 12.5px; color: var(--c-muted); letter-spacing: .5px; }
.ci-item .v { font-weight: 700; color: var(--c-text); font-size: 15.5px; word-break: break-all; }
.ci-item a.v:hover { color: var(--c-primary-dark); text-decoration: underline; }
.contact-note { font-size: 13px; color: var(--c-muted); padding-left: 4px; }


/* ---------- 页脚 ---------- */
.site-footer {
  padding: 34px 0; border-top: 1px solid var(--c-line);
  background: var(--c-surface);
}
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer p { font-size: 13.5px; color: var(--c-muted); }
.site-footer .foot-links { display: flex; gap: 18px; font-size: 13.5px; }
.site-footer .foot-links a:hover { color: var(--c-primary-dark); text-decoration: underline; }

/* ---------- 主题切换（继承主站换肤体系） ---------- */
.theme-switch {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  display: flex; align-items: center; gap: 6px; padding: 7px 10px;
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: 999px; box-shadow: var(--shadow-md);
}
.theme-switch .ts-label { font-size: 12px; color: var(--c-muted); padding-left: 6px; }
.theme-switch button {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent;
  transition: transform .2s, border-color .2s;
}
.theme-switch button:hover { transform: scale(1.12); }
.theme-switch button[aria-pressed="true"] { border-color: var(--c-text); }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
}
@media (max-width: 760px) {
  :root { --nav-h: 60px; }
  .nav-phone { display: none; }
  .hamburger { display: block; }
  .nav-links {
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 12px 16px 18px;
    background: var(--c-surface); border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: .25s;
  }
  .nav-links.open { transform: none; opacity: 1; visibility: visible; }
  .nav-links a { padding: 12px 14px; font-size: 16px; }
  .section { padding: 68px 0; }
  .hero { padding: calc(var(--nav-h) + 24px) 0 72px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-stats li { min-width: 104px; padding: 14px 16px; flex: 1; }
  .svc-grid { grid-template-columns: 1fr; }
  .theme-switch { right: 12px; bottom: 12px; padding: 6px 8px; }
  .theme-switch .ts-label { display: none; }
  .foot-inner { flex-direction: column; text-align: center; }
}

/* ---------- 无障碍：尊重系统「减少动态效果」 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  #bgCanvas { display: none; }
}