/* ============================================================
   集玄园艺 · 设计系统
   Botanical Editorial — 深林绿 / 宣纸米 / 鎏金点缀
   ============================================================ */

:root {
  --ink: #17211b;
  --forest: #1e3f27;
  --forest-2: #28502f;
  --leaf: #3f6b43;
  --leaf-soft: #6f9572;
  --sage: #a7bda4;
  --sage-mist: #dce6d8;
  --cream: #f5f1e6;
  --paper: #fbf9f2;
  --gold: #c09a4f;
  --gold-soft: #dcc58d;
  --clay: #a85a3c;
  --line: #e3ddcd;
  --muted: #6a7268;
  --white: #fffef9;

  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;

  --shadow-sm: 0 2px 10px rgba(23, 33, 27, .06);
  --shadow-md: 0 14px 38px -12px rgba(23, 33, 27, .18);
  --shadow-lg: 0 30px 70px -24px rgba(20, 40, 26, .35);
  --radius: 4px;
  --radius-lg: 10px;
  --maxw: 1240px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 纸张颗粒质感 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .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='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.25; color: var(--ink); }

/* ---------- 通用版式 ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .28em;
  color: var(--leaf);
  font-weight: 600;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 34px; height: 1px;
  background: var(--gold);
}
.eyebrow.center::after {
  content: "";
  width: 34px; height: 1px;
  background: var(--gold);
}

.section { padding: 104px 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  margin: 18px 0 16px;
  letter-spacing: .02em;
}
.section-head p { color: var(--muted); font-size: 16.5px; }

.lead { font-size: 18px; color: var(--muted); }

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .35s cubic-bezier(.2,.7,.2,1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary { background: var(--forest); color: var(--white); }
.btn-primary:hover { background: var(--forest-2); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-gold { background: var(--gold); color: #2a2110; }
.btn-gold:hover { background: var(--gold-soft); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: currentColor; color: var(--forest); background: transparent; }
.btn-outline:hover { background: var(--forest); color: var(--white); }
.btn-light { background: rgba(255,255,255,.1); color: var(--white); border-color: rgba(255,255,255,.5); }
.btn-light:hover { background: var(--white); color: var(--forest); }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ============================================================
   顶部：实用条 + 导航 + 大号电话
   ============================================================ */

.utility-bar {
  background: var(--forest);
  color: #cfdccf;
  font-size: 13px;
  padding: 8px 0;
}
.utility-bar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.utility-promises { display: flex; gap: 26px; }
.utility-promises span { display: inline-flex; align-items: center; gap: 7px; letter-spacing: .05em; }
.utility-promises span::before { content: "✓"; color: var(--gold-soft); font-weight: 700; }
.utility-addr { opacity: .85; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 242, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  height: 88px;
}

.logo { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.logo-mark {
  width: 46px; height: 46px;
  flex-shrink: 0;
}
.logo-text { line-height: 1.15; }
.logo-text b {
  font-family: var(--font-serif);
  font-size: 23px;
  letter-spacing: .14em;
  color: var(--forest);
  display: block;
}
.logo-text small {
  font-size: 10.5px;
  letter-spacing: .34em;
  color: var(--muted);
  text-transform: uppercase;
}

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-size: 16px;
  font-weight: 500;
  color: #33402f;
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width .3s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--forest); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

/* 大号联系电话 */
.phone-block {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.phone-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gold);
  display: grid;
  place-items: center;
  color: #2a2110;
  animation: phonePulse 2.4s infinite;
}
@keyframes phonePulse {
  0% { box-shadow: 0 0 0 0 rgba(192,154,79,.45); }
  70% { box-shadow: 0 0 0 14px rgba(192,154,79,0); }
  100% { box-shadow: 0 0 0 0 rgba(192,154,79,0); }
}
.phone-meta { line-height: 1.1; }
.phone-meta small {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
  display: block;
}
.phone-meta b {
  font-size: 27px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--forest);
  font-variant-numeric: tabular-nums;
  transition: color .25s;
}
.phone-block:hover .phone-meta b { color: var(--gold); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 42px; height: 42px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.nav-toggle span { height: 2px; background: var(--forest); border-radius: 2px; transition: .3s; }
.nav-toggle span:nth-child(1) { width: 24px; }
.nav-toggle span:nth-child(2) { width: 18px; }
.nav-toggle span:nth-child(3) { width: 24px; }

/* ============================================================
   首页 Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  background: var(--forest);
  color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(105deg, rgba(18,36,24,.93) 0%, rgba(18,36,24,.62) 52%, rgba(18,36,24,.25) 100%),
    url("/static/img/products/scene-large-2.jpg");
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: heroZoom 9s ease forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero-deco {
  position: absolute;
  right: -60px; bottom: -80px;
  width: 480px; opacity: .14;
}
.hero-inner { position: relative; z-index: 2; padding: 120px 0; width: 100%; }
.hero h1 {
  color: var(--white);
  font-size: clamp(38px, 5.4vw, 68px);
  letter-spacing: .03em;
  max-width: 760px;
  margin: 26px 0 26px;
}
.hero h1 em { font-style: normal; color: var(--gold-soft); position: relative; }
.hero-sub {
  font-size: 19px;
  color: #d8e2d5;
  max-width: 560px;
  margin-bottom: 42px;
}
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; }
.hero .eyebrow { color: var(--gold-soft); }
.hero .eyebrow::before { background: var(--gold-soft); }

.hero-stats {
  display: flex;
  gap: 56px;
  margin-top: 72px;
  padding-top: 34px;
  border-top: 1px solid rgba(255,255,255,.18);
  max-width: 640px;
}
.hero-stats .num {
  font-family: var(--font-serif);
  font-size: 40px;
  color: var(--white);
  font-weight: 700;
}
.hero-stats .num i { color: var(--gold-soft); font-style: normal; }
.hero-stats .label { font-size: 13.5px; color: #b6c4b4; letter-spacing: .08em; }

/* Hero 进场 */
.reveal-up { opacity: 0; transform: translateY(34px); animation: revealUp .9s cubic-bezier(.2,.7,.2,1) forwards; }
.d1 { animation-delay: .15s; } .d2 { animation-delay: .3s; }
.d3 { animation-delay: .45s; } .d4 { animation-delay: .6s; } .d5 { animation-delay: .75s; }
@keyframes revealUp { to { opacity: 1; transform: none; } }

/* ---------- 承诺条 ---------- */

.promise-strip { background: var(--cream); border-bottom: 1px solid var(--line); }
.promise-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.promise-item {
  text-align: center;
  padding: 42px 18px;
  position: relative;
}
.promise-item + .promise-item::before {
  content: "";
  position: absolute; left: 0; top: 26%;
  height: 48%; width: 1px;
  background: var(--line);
}
.promise-item svg { width: 38px; height: 38px; margin: 0 auto 14px; color: var(--leaf); }
.promise-item b { font-family: var(--font-serif); font-size: 18px; letter-spacing: .08em; display: block; }
.promise-item small { color: var(--muted); font-size: 13px; }

/* ============================================================
   服务卡片
   ============================================================ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.service-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.service-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s cubic-bezier(.2,.7,.2,1);
}
.service-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(14,28,18,.92) 0%, rgba(14,28,18,.4) 52%, rgba(14,28,18,.05) 100%);
  transition: background .4s;
}
.service-card:hover img { transform: scale(1.07); }
.service-card-body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 36px;
  z-index: 2;
}
.service-card-body .idx {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--gold-soft);
}
.service-card-body h3 { color: var(--white); font-size: 27px; margin: 10px 0 12px; }
.service-card-body p {
  color: #cfdacb;
  font-size: 14.5px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all .5s cubic-bezier(.2,.7,.2,1);
}
.service-card-body .more {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--gold-soft);
  letter-spacing: .1em;
}
.service-card:hover .service-card-body p { max-height: 120px; opacity: 1; margin-bottom: 4px; }

/* ---------- 流程 ---------- */

.process-section { background: var(--forest); color: var(--white); }
.process-section h2 { color: var(--white); }
.process-section .eyebrow { color: var(--gold-soft); }
.process-section .eyebrow::before { background: var(--gold-soft); }
.process-section .lead { color: #bcc9b9; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}
.process-step {
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-lg);
  padding: 38px 28px;
  position: relative;
  transition: all .4s;
}
.process-step:hover { border-color: var(--gold-soft); transform: translateY(-6px); background: rgba(255,255,255,.04); }
.process-step .n {
  font-family: var(--font-serif);
  font-size: 44px;
  color: var(--gold-soft);
  line-height: 1;
  display: block;
  margin-bottom: 22px;
}
.process-step h3 { color: var(--white); font-size: 20px; margin-bottom: 10px; }
.process-step p { color: #aebcaa; font-size: 14px; }

/* ============================================================
   产品
   ============================================================ */

.product-category { margin-bottom: 80px; }
.product-category:last-child { margin-bottom: 0; }
.cat-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}
.cat-head h3 { font-size: 29px; }
.cat-head h3 .en {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold);
  display: block;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.cat-head p { color: var(--muted); font-size: 14.5px; max-width: 440px; text-align: right; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all .4s cubic-bezier(.2,.7,.2,1);
  cursor: pointer;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: #d6cfba; }
.product-thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  background: var(--cream);
}
.product-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.product-card:hover .product-thumb img { transform: scale(1.08); }
.product-tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(30,63,39,.9);
  color: var(--white);
  font-size: 11px;
  padding: 4px 11px;
  letter-spacing: .1em;
  border-radius: 2px;
}
.product-info { padding: 17px 18px 20px; }
.product-info h4 { font-size: 17px; margin-bottom: 5px; letter-spacing: .04em; }
.product-info p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }

/* 图片灯箱 */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(12,20,14,.92);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5vw;
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 86vh; max-width: 92vw; border-radius: 6px; box-shadow: var(--shadow-lg); }
.lightbox-close {
  position: absolute; top: 26px; right: 32px;
  color: #fff; font-size: 34px;
  background: none; border: none; cursor: pointer;
}
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.12); color: #fff;
  border: none; width: 52px; height: 52px;
  border-radius: 50%; font-size: 22px; cursor: pointer;
  transition: background .25s;
}
.lightbox-nav:hover { background: rgba(255,255,255,.28); }
.lightbox-prev { left: 28px; } .lightbox-next { right: 28px; }

/* ============================================================
   首页产品精选横向带
   ============================================================ */

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-band .feature-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.feature-band .feature-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .9s cubic-bezier(.2,.7,.2,1);
}
.feature-band .feature-item:hover img { transform: scale(1.06); }
.feature-band .feature-item.wide { grid-column: span 2; aspect-ratio: auto; }

/* ============================================================
   文章
   ============================================================ */

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.article-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .4s cubic-bezier(.2,.7,.2,1);
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.article-cover { aspect-ratio: 16/10; overflow: hidden; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s; }
.article-card:hover .article-cover img { transform: scale(1.06); }
.article-body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.article-meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); margin-bottom: 12px; }
.article-meta .cat {
  color: var(--leaf); font-weight: 600;
  border: 1px solid var(--sage);
  padding: 2px 10px; border-radius: 2px;
  font-size: 11.5px; letter-spacing: .08em;
}
.article-body h3 {
  font-size: 19.5px; line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card:hover h3 { color: var(--leaf); }
.article-body p {
  font-size: 13.5px; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 20px; flex: 1;
}
.article-readmore { font-size: 13.5px; font-weight: 600; color: var(--leaf); display: inline-flex; gap: 7px; align-items: center; }
.article-readmore::after { content: "→"; transition: transform .3s; }
.article-card:hover .article-readmore::after { transform: translateX(5px); }

/* 列表页筛选 */
.page-hero {
  background: var(--forest);
  color: var(--white);
  padding: 78px 0 68px;
  position: relative;
  overflow: hidden;
}
.page-hero h1 { color: var(--white); font-size: clamp(30px, 4vw, 46px); margin: 14px 0 12px; }
.page-hero p { color: #c3d0c0; max-width: 620px; }
.page-hero .deco-leaf { position: absolute; right: 40px; top: -30px; width: 240px; opacity: .1; }

.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin: -32px 0 54px; position: relative; z-index: 3; }
.filter-bar a {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 9px 22px;
  border-radius: 30px;
  font-size: 14px;
  color: var(--muted);
  box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.filter-bar a:hover { color: var(--leaf); border-color: var(--sage); }
.filter-bar a.active { background: var(--forest); color: var(--white); border-color: var(--forest); }

.breadcrumb { font-size: 13.5px; color: #aebba9; display: flex; gap: 9px; align-items: center; }
.breadcrumb a:hover { color: var(--gold-soft); }

/* 分页 */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 64px; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14.5px;
  color: var(--muted);
  padding: 0 8px;
}
.pagination a:hover { border-color: var(--forest); color: var(--forest); }
.pagination .current { background: var(--forest); color: var(--white); border-color: var(--forest); }

/* ============================================================
   文章详情
   ============================================================ */

.article-detail { padding: 70px 0 90px; }
.article-detail-inner { max-width: 800px; margin: 0 auto; }
.article-detail h1 { font-size: clamp(28px, 3.6vw, 40px); margin: 22px 0 18px; letter-spacing: .02em; }
.detail-meta { display: flex; gap: 18px; color: var(--muted); font-size: 14px; padding-bottom: 28px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.detail-meta .cat { color: var(--leaf); font-weight: 600; }

.prose { margin-top: 40px; font-size: 17px; line-height: 1.95; color: #2b352d; }
.prose p { margin-bottom: 24px; }
.prose h2 {
  font-size: 25px;
  margin: 46px 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--gold);
}
.prose h3 { font-size: 20px; margin: 34px 0 14px; }
.prose ul, .prose ol { margin: 0 0 24px 4px; }
.prose ul li { position: relative; padding-left: 22px; margin-bottom: 10px; }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: 12px; width: 7px; height: 7px; background: var(--leaf); border-radius: 50%; }
.prose img { border-radius: var(--radius); margin: 30px 0; box-shadow: var(--shadow-md); }
.prose strong { color: var(--forest); font-weight: 700; }
.prose blockquote {
  border-left: 4px solid var(--sage);
  background: var(--cream);
  padding: 20px 26px;
  margin: 28px 0;
  color: var(--muted);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.prose a { color: var(--leaf); border-bottom: 1px solid var(--sage); }

.article-share {
  margin-top: 54px; padding: 26px 0;
  border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 14.5px; color: var(--muted);
}

.related-section { background: var(--cream); padding: 80px 0; border-top: 1px solid var(--line); }

/* 文章内 CTA 卡片 */
.cta-card {
  margin: 48px 0 10px;
  background: linear-gradient(120deg, var(--forest), var(--forest-2));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 42px 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-card h3 { color: var(--white); font-size: 25px; margin-bottom: 8px; }
.cta-card p { color: #c3d0c0; font-size: 14.5px; }
.cta-card .tel { font-size: 30px; font-weight: 800; color: var(--gold-soft); font-variant-numeric: tabular-nums; }

/* ============================================================
   服务详情页
   ============================================================ */

.service-hero {
  position: relative;
  min-height: 480px;
  display: flex; align-items: flex-end;
  color: var(--white);
}
.service-hero .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.service-hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(14,28,18,.92), rgba(14,28,18,.3));
}
.service-hero .wrap { position: relative; z-index: 2; padding-bottom: 58px; }
.service-hero h1 { color: var(--white); font-size: clamp(32px,4.4vw,52px); margin: 16px 0 14px; }
.service-hero p { color: #cdd8ca; max-width: 640px; font-size: 17.5px; }

.highlight-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 30px; }
.highlight-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  padding: 18px 22px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-weight: 500;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.two-col .img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.two-col h2 { font-size: 32px; margin-bottom: 20px; }
.two-col p { color: var(--muted); margin-bottom: 16px; }

/* ============================================================
   关于页
   ============================================================ */

.about-hero {
  background: var(--cream);
  padding: 110px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.about-hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: center; }
.about-hero h1 { font-size: clamp(32px,4.2vw,50px); margin: 20px 0 22px; }
.about-hero p { color: var(--muted); font-size: 17px; margin-bottom: 16px; }
.about-hero .img-stack { position: relative; }
.about-hero .img-stack img:first-child { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-hero .img-stack img:last-child {
  position: absolute; right: -30px; bottom: -40px;
  width: 52%; border-radius: var(--radius);
  border: 8px solid var(--cream);
  box-shadow: var(--shadow-md);
}

.value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: all .35s;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value-card .ic { width: 44px; height: 44px; color: var(--leaf); margin-bottom: 18px; }
.value-card h3 { font-size: 20px; margin-bottom: 10px; }
.value-card p { font-size: 14px; color: var(--muted); }

.contact-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 20px; }
.contact-card {
  text-align: center;
  padding: 46px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.contact-card .big-tel {
  font-size: 29px; font-weight: 800; color: var(--forest);
  font-variant-numeric: tabular-nums;
  display: block; margin: 12px 0 8px;
}
.contact-card p { color: var(--muted); font-size: 14.5px; }
.contact-card .ic { width: 42px; height: 42px; color: var(--gold); margin: 0 auto; }

/* ---------- 浮动电话（移动端） ---------- */

.float-call {
  display: none;
  position: fixed;
  right: 18px; bottom: 22px;
  z-index: 90;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--gold);
  place-items: center;
  color: #2a2110;
  box-shadow: var(--shadow-md);
  animation: phonePulse 2.4s infinite;
}

/* ============================================================
   页脚
   ============================================================ */

.site-footer {
  background: #122016;
  color: #a9b8a7;
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: 60px;
  padding-bottom: 56px;
}
.footer-brand .logo-text b { color: var(--white); }
.footer-brand p { font-size: 14px; margin: 22px 0 20px; max-width: 380px; line-height: 1.9; }
.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  letter-spacing: .14em;
  margin-bottom: 22px;
}
.footer-col li { margin-bottom: 12px; font-size: 14.5px; }
.footer-col a { transition: color .25s; }
.footer-col a:hover { color: var(--gold-soft); }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; margin-bottom: 15px; }
.footer-contact svg { width: 18px; height: 18px; color: var(--gold-soft); flex-shrink: 0; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 22px 0;
  font-size: 13px;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.footer-bottom a:hover { color: var(--gold-soft); }

/* ============================================================
   404
   ============================================================ */

.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 60px 20px; }
.error-page .code { font-family: var(--font-serif); font-size: 120px; color: var(--sage); line-height: 1; }
.error-page h1 { font-size: 28px; margin: 14px 0 12px; }
.error-page p { color: var(--muted); margin-bottom: 30px; }

/* ============================================================
   滚动显现
   ============================================================ */

.observe { opacity: 0; transform: translateY(38px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.observe.in { opacity: 1; transform: none; }

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1024px) {
  .main-nav { gap: 22px; }
  .phone-meta b { font-size: 22px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .promise-grid { grid-template-columns: repeat(3, 1fr); }
  .promise-item:nth-child(4)::before { display: none; }
  .process-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .utility-bar { display: none; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 88px; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px 28px 26px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform .4s cubic-bezier(.2,.7,.2,1);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { width: 100%; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .main-nav a::after { display: none; }

  .phone-block { gap: 9px; }
  .phone-icon { width: 38px; height: 38px; }
  .phone-meta small { display: none; }
  .phone-meta b { font-size: 21px; }

  .hero { min-height: 600px; }
  .hero-inner { padding: 80px 0; }
  .hero-stats { gap: 30px; margin-top: 50px; }
  .hero-stats .num { font-size: 30px; }

  .services-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .article-grid { grid-template-columns: 1fr; }
  .feature-band { grid-template-columns: 1fr 1fr; }
  .feature-band .feature-item.wide { grid-column: span 2; }
  .two-col { grid-template-columns: 1fr; gap: 36px; }
  .about-hero .wrap { grid-template-columns: 1fr; gap: 50px; }
  .value-grid, .contact-cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .highlight-list { grid-template-columns: 1fr; }
  .cat-head { flex-direction: column; align-items: flex-start; }
  .cat-head p { text-align: left; }
  .float-call { display: grid; }
  .cta-card { padding: 32px 28px; }
  .cta-card .tel { font-size: 24px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 18px; }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .lightbox-nav { width: 42px; height: 42px; }
}