/* ==========================================================================
   欧博国际 · 进口食品官网 全局样式
   --------------------------------------------------------------------------
   配色体系：深绿（主色）× 金（点缀）× 米白（底色）
   字体：思源宋体类衬线用于标题，黑体系无衬线用于正文（系统字体栈）
   ========================================================================== */

:root {
  --green-950: #081f13;
  --green-900: #0f2e1e;
  --green-800: #16402a;
  --green-700: #1e5236;
  --green-600: #276b47;
  --green-500: #2f7f55;
  --green-050: #eef4ef;
  --gold: #c2a15c;
  --gold-dark: #a5843d;
  --gold-light: #e6cf96;
  --cream: #f6f3ec;
  --paper: #fffdf8;
  --ink: #26261f;
  --gray: #6f6f66;
  --gray-light: #9b9b90;
  --line: #e7e1d3;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(15, 46, 30, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 46, 30, 0.12);
  --shadow-lg: 0 18px 44px rgba(15, 46, 30, 0.16);
  --radius: 10px;
  --radius-lg: 16px;
  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --container: 1200px;
}

/* ---------- Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--gold-dark); }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.35; color: var(--green-900); }
::selection { background: var(--green-800); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }
.section-cream { background: var(--cream); }
.section-dark { background: var(--green-900); color: #d8e4dc; }
.section-dark h2, .section-dark h3 { color: #fff; }

/* 段落小标题样式：金色短线 + 小字 */
.section-head { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.section-head .eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gold-dark); font-weight: 600; margin-bottom: 14px;
}
.section-head .eyebrow::before, .section-head .eyebrow::after {
  content: ""; width: 28px; height: 1px; background: var(--gold); opacity: .7;
}
.section-head h2 { font-size: 34px; letter-spacing: .04em; }
.section-head p { margin-top: 14px; color: var(--gray); font-size: 15.5px; }
.section-head-left { margin: 0 0 40px; text-align: left; }
.section-head-left .eyebrow::before { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: 6px;
  font-size: 15px; font-weight: 600; letter-spacing: .06em;
  border: 1px solid transparent; cursor: pointer;
  transition: all .28s ease; white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-green { background: var(--green-700); color: #fff; }
.btn-green:hover { background: var(--green-600); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-gold { background: var(--gold); color: #fff; }
.btn-gold:hover { background: var(--gold-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255,255,255,.55); color: #fff; background: transparent; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.12); color: #fff; }
.btn-outline-dark { border-color: var(--green-700); color: var(--green-700); background: transparent; }
.btn-outline-dark:hover { background: var(--green-700); color: #fff; }
.btn-sm { padding: 9px 20px; font-size: 14px; }

/* ---------- Top bar ---------- */
.topbar { background: var(--green-950); color: #b9cfc2; font-size: 13px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 38px; }
.topbar a { color: #cfe0d5; }
.topbar a:hover { color: var(--gold-light); }
.topbar-right { display: flex; gap: 22px; }
.topbar-right .tb-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-right svg { width: 13px; height: 13px; opacity: .8; }

/* ---------- Header & nav ---------- */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 1px 0 var(--line), 0 6px 18px rgba(15,46,30,.06); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 9px;
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: 19px; color: var(--gold-light);
  letter-spacing: .02em; box-shadow: inset 0 -3px 0 rgba(194,161,92,.35);
}
.logo-text { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--green-900); line-height: 1.15; letter-spacing: .08em; }
.logo-text small { display: block; font-family: var(--font-body); font-size: 10.5px; font-weight: 400; letter-spacing: .32em; color: var(--gray); }

.main-nav > ul { display: flex; align-items: center; gap: 6px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 15px; font-size: 15.5px; font-weight: 500;
  color: var(--ink); border-radius: 6px;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a { color: var(--green-700); background: var(--green-050); }
.main-nav .has-dropdown > a::after {
  content: ""; display: inline-block; margin-left: 6px; vertical-align: 2px;
  border: 4px solid transparent; border-top-color: currentColor;
}
.dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 172px;
  background: var(--white); border: 1px solid var(--line); border-radius: 8px;
  box-shadow: var(--shadow-md); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s ease;
}
.main-nav > ul > li:hover .dropdown, .main-nav > ul > li:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a { display: block; padding: 9px 14px; border-radius: 6px; font-size: 14.5px; color: var(--ink); }
.dropdown a:hover { background: var(--green-050); color: var(--green-700); }
.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--green-900); transition: all .3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.btn-nav { margin-left: 10px; }

/* ---------- Home hero ---------- */
.hero {
  position: relative; min-height: 620px; display: flex; align-items: center;
  background: var(--green-950);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,31,19,.88) 0%, rgba(8,31,19,.62) 45%, rgba(8,31,19,.25) 100%); }
.hero-inner { position: relative; z-index: 2; max-width: 680px; padding: 90px 0; }
.hero .tagline {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--gold-light); font-size: 14px; letter-spacing: .3em;
  margin-bottom: 22px;
}
.hero .tagline::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.hero h1 { color: #fff; font-size: 46px; line-height: 1.3; letter-spacing: .03em; }
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero .lead { margin-top: 20px; color: #d9e5dd; font-size: 16.5px; max-width: 560px; }
.hero .hero-cta { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-note { margin-top: 26px; font-size: 13px; color: #9fb8aa; display: flex; gap: 18px; flex-wrap: wrap; }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { width: 14px; height: 14px; color: var(--gold); }

/* ---------- Stats band ---------- */
.stats-band { background: var(--green-800); color: #e8f0ea; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 46px 0; text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 44px; font-weight: 700; color: #fff; line-height: 1.1; }
.stat-num sup { font-size: 22px; color: var(--gold-light); }
.stat-label { margin-top: 8px; font-size: 14px; letter-spacing: .12em; color: #a9c3b4; }

/* ---------- Business cards ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.biz-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .3s ease;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--gold); }
.biz-card .biz-img { position: relative; height: 200px; overflow: hidden; }
.biz-card .biz-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.biz-card:hover .biz-img img { transform: scale(1.06); }
.biz-card .biz-no {
  position: absolute; top: 14px; left: 14px; width: 40px; height: 40px;
  background: rgba(15,46,30,.88); color: var(--gold-light); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: 17px;
}
.biz-card .biz-body { padding: 22px 22px 26px; }
.biz-card h3 { font-size: 19px; margin-bottom: 10px; }
.biz-card p { font-size: 14.5px; color: var(--gray); }
.biz-card .biz-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--gold-dark); }
.biz-card .biz-link svg { width: 14px; height: 14px; transition: transform .25s ease; }
.biz-card .biz-link:hover svg { transform: translateX(4px); }

/* ---------- Category cards ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.cat-card { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; }
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.cat-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(8,31,19,.82)); }
.cat-card:hover img { transform: scale(1.07); }
.cat-card .cat-name {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 16px; color: #fff; font-family: var(--font-head); font-size: 17px; letter-spacing: .08em;
}
.cat-card .cat-en { display: block; font-family: var(--font-body); font-size: 11px; letter-spacing: .2em; color: var(--gold-light); margin-top: 2px; }

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .split-img { position: relative; }
.split .split-img img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.split .split-img .exp-badge {
  position: absolute; right: -18px; bottom: -18px;
  background: var(--gold); color: var(--green-950); border-radius: var(--radius);
  padding: 18px 22px; text-align: center; box-shadow: var(--shadow-md);
}
.split .exp-badge strong { display: block; font-family: var(--font-head); font-size: 34px; line-height: 1.1; }
.split .exp-badge span { font-size: 12px; letter-spacing: .14em; }
.split-body h2 { font-size: 30px; margin-bottom: 18px; }
.split-body p { color: var(--gray); margin-bottom: 14px; }
.split-body .check-list { margin-top: 18px; display: grid; gap: 10px; }
.split-body .check-list li { display: flex; gap: 10px; font-size: 15px; }
.split-body .check-list svg { width: 18px; height: 18px; color: var(--gold-dark); flex-shrink: 0; margin-top: 4px; }

/* ---------- Process timeline ---------- */
.process { position: relative; counter-reset: step; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.process::before { content: ""; position: absolute; top: 26px; left: 8%; right: 8%; height: 2px; background: linear-gradient(90deg, var(--gold), var(--green-500)); opacity: .4; }
.step { position: relative; text-align: center; padding: 0 8px; }
.step .step-dot {
  position: relative; z-index: 1; width: 52px; height: 52px; margin: 0 auto 16px;
  background: var(--white); border: 2px solid var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700; font-size: 17px; color: var(--green-700);
  box-shadow: 0 0 0 6px var(--paper);
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--gray); }

/* ---------- News cards ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: all .3s ease; }
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-card .news-img { position: relative; height: 190px; overflow: hidden; }
.news-card .news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-card:hover .news-img img { transform: scale(1.06); }
.news-card .news-tag { position: absolute; top: 14px; left: 14px; background: var(--green-800); color: var(--gold-light); font-size: 12px; padding: 4px 12px; border-radius: 20px; letter-spacing: .08em; }
.news-card .news-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.news-card .news-meta { display: flex; align-items: center; gap: 14px; font-size: 12.5px; color: var(--gray-light); margin-bottom: 10px; }
.news-card .news-meta svg { width: 13px; height: 13px; vertical-align: -2px; margin-right: 4px; }
.news-card h3 { font-size: 18px; line-height: 1.5; margin-bottom: 10px; }
.news-card h3 a { color: var(--green-900); }
.news-card h3 a:hover { color: var(--gold-dark); }
.news-card p { font-size: 14px; color: var(--gray); flex: 1; }
.news-card .news-more { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--gold-dark); display: inline-flex; align-items: center; gap: 6px; }
.news-card .news-more svg { width: 14px; height: 14px; }

/* ---------- Testimonials ---------- */
.testi-slider { position: relative; max-width: 860px; margin: 0 auto; }
.testi-track { overflow: hidden; border-radius: var(--radius-lg); }
.testi-slide { display: none; padding: 48px 56px; text-align: center; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.testi-slide.active { display: block; animation: fadeUp .5s ease; }
.testi-slide .quote-mark { font-family: Georgia, serif; font-size: 64px; line-height: 1; color: var(--gold); }
.testi-slide blockquote { font-family: var(--font-head); font-size: 19px; color: var(--green-900); margin: 12px auto 24px; max-width: 640px; line-height: 1.8; }
.testi-slide .testi-who { display: flex; align-items: center; justify-content: center; gap: 12px; }
.testi-slide .avatar { width: 46px; height: 46px; border-radius: 50%; background: var(--green-700); color: var(--gold-light); display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 700; font-size: 17px; }
.testi-slide .testi-name { text-align: left; }
.testi-slide .testi-name strong { display: block; font-size: 15px; color: var(--ink); }
.testi-slide .testi-name span { font-size: 13px; color: var(--gray); }
.testi-dots { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.testi-dots button { width: 9px; height: 9px; border-radius: 50%; border: 0; background: #cfc8b6; cursor: pointer; transition: all .3s ease; }
.testi-dots button.active { background: var(--gold); width: 26px; border-radius: 6px; }

/* 客户背书网格 */
.praise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.praise-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 28px; position: relative; transition: all .3s ease; }
.praise-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.praise-card .stars { color: var(--gold); font-size: 15px; letter-spacing: 3px; margin-bottom: 14px; }
.praise-card blockquote { font-size: 15px; color: #4c4c44; }
.praise-card .praise-who { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); }
.praise-card .avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--green-700); color: var(--gold-light); display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 700; }
.praise-card .praise-name strong { display: block; font-size: 14.5px; }
.praise-card .praise-name span { font-size: 13px; color: var(--gray); }

/* ---------- Logo wall ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.logo-item {
  height: 84px; border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 16px; letter-spacing: .06em; color: #9a9483;
  background: var(--white); transition: all .3s ease; text-align: center; padding: 0 10px;
}
.logo-item:hover { color: var(--green-700); border-color: var(--gold); box-shadow: var(--shadow-sm); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; background: var(--green-900); }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 85% 20%, rgba(194,161,92,.22), transparent 55%); }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 64px 0; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: 30px; letter-spacing: .04em; }
.cta-inner p { color: #b9cfc2; margin-top: 10px; font-size: 15.5px; }
.cta-inner .btn { margin-top: 4px; }

/* ---------- Page banner (内页) ---------- */
.page-banner { position: relative; min-height: 300px; display: flex; align-items: flex-end; background: var(--green-950); overflow: hidden; }
.page-banner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.page-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,31,19,.55), rgba(8,31,19,.78)); }
.page-banner-inner { position: relative; z-index: 2; padding: 76px 0 52px; }
.page-banner h1 { color: #fff; font-size: 38px; letter-spacing: .06em; }
.page-banner .lead { color: #c9dccf; margin-top: 10px; font-size: 15.5px; max-width: 640px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 13px; color: #9fb8aa; }
.breadcrumb a { color: #c9dccf; }
.breadcrumb a:hover { color: var(--gold-light); }
.breadcrumb svg { width: 12px; height: 12px; opacity: .7; }
.breadcrumb .cur { color: var(--gold-light); }

/* ---------- 关于我们 ---------- */
.milestone-list { position: relative; margin-top: 10px; padding-left: 34px; }
.milestone-list::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold), var(--green-500)); opacity: .5; }
.milestone-item { position: relative; padding: 0 0 34px 26px; }
.milestone-item::before { content: ""; position: absolute; left: -31px; top: 8px; width: 14px; height: 14px; border-radius: 50%; background: var(--white); border: 3px solid var(--gold); }
.milestone-item .ms-year { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--gold-dark); }
.milestone-item h3 { font-size: 17px; margin: 4px 0 6px; }
.milestone-item p { font-size: 14.5px; color: var(--gray); }

.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 24px; text-align: center; transition: all .3s ease; }
.cert-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.cert-card .cert-icon { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; background: var(--green-050); display: flex; align-items: center; justify-content: center; }
.cert-card .cert-icon svg { width: 30px; height: 30px; color: var(--green-700); }
.cert-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.cert-card p { font-size: 13.5px; color: var(--gray); }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 28px; }
.value-card .val-no { font-family: var(--font-head); font-size: 30px; font-weight: 700; color: var(--gold); opacity: .85; }
.value-card h3 { font-size: 18px; margin: 10px 0 10px; }
.value-card p { font-size: 14.5px; color: var(--gray); }

/* ---------- 核心业务页 ---------- */
.biz-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.biz-feature + .biz-feature { margin-top: 72px; }
.biz-feature .bf-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.biz-feature .bf-img img { transition: transform .6s ease; }
.biz-feature:hover .bf-img img { transform: scale(1.03); }
.biz-feature .bf-body .bf-no { font-family: var(--font-head); font-size: 15px; letter-spacing: .2em; color: var(--gold-dark); }
.biz-feature .bf-body h2 { font-size: 26px; margin: 8px 0 16px; }
.biz-feature .bf-body p { color: var(--gray); margin-bottom: 16px; font-size: 15px; }
.biz-feature .bf-list { display: grid; gap: 10px; }
.biz-feature .bf-list li { display: flex; gap: 10px; font-size: 14.5px; }
.biz-feature .bf-list svg { width: 17px; height: 17px; color: var(--gold-dark); flex-shrink: 0; margin-top: 4px; }
.biz-feature.rev .bf-img { order: 2; }
.biz-feature.rev .bf-body { order: 1; }

/* ---------- 合作案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: all .3s ease; display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card .case-img { height: 210px; overflow: hidden; position: relative; }
.case-card .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.case-card:hover .case-img img { transform: scale(1.06); }
.case-card .case-body { padding: 24px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.case-card .case-tags { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.case-card .tag { font-size: 12px; padding: 3px 12px; border-radius: 20px; background: var(--green-050); color: var(--green-700); border: 1px solid #d5e2d8; }
.case-card .tag.gold { background: #f6efdd; color: var(--gold-dark); border-color: #ead9b4; }
.case-card h3 { font-size: 18.5px; margin-bottom: 10px; }
.case-card p { font-size: 14px; color: var(--gray); flex: 1; }
.case-card .case-result { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); display: flex; gap: 20px; flex-wrap: wrap; }
.case-card .case-result .cr { flex: 1; min-width: 70px; }
.case-card .case-result .cr strong { display: block; font-family: var(--font-head); font-size: 19px; color: var(--gold-dark); }
.case-card .case-result .cr span { font-size: 12px; color: var(--gray-light); }

/* ---------- 新闻页 ---------- */
.news-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.news-feature { display: grid; grid-template-columns: 1.15fr 1fr; gap: 30px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; }
.news-feature .nf-img { position: relative; min-height: 280px; }
.news-feature .nf-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.news-feature .nf-body { padding: 34px 34px 30px 0; display: flex; flex-direction: column; justify-content: center; }
.news-feature .news-tag { align-self: flex-start; background: var(--green-800); color: var(--gold-light); font-size: 12px; padding: 4px 14px; border-radius: 20px; letter-spacing: .08em; margin-bottom: 16px; }
.news-feature h2 { font-size: 24px; line-height: 1.5; margin-bottom: 14px; }
.news-feature h2 a { color: var(--green-900); }
.news-feature h2 a:hover { color: var(--gold-dark); }
.news-feature p { color: var(--gray); font-size: 14.5px; }
.news-feature .news-meta { margin-top: 18px; font-size: 13px; color: var(--gray-light); display: flex; gap: 16px; }

.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-bar button {
  padding: 8px 22px; border-radius: 30px; border: 1px solid var(--line);
  background: var(--white); font-size: 14px; color: var(--gray); cursor: pointer; transition: all .25s ease;
}
.filter-bar button.active { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.filter-bar button:hover { border-color: var(--gold); color: var(--gold-dark); }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 44px; }
.pagination button, .pagination .pg-item {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--white); font-size: 14px; color: var(--ink); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.pagination button.active, .pagination .pg-item.active { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.pagination button:hover:not(:disabled), .pagination .pg-item:hover { border-color: var(--gold); color: var(--gold-dark); }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

.sidebar-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px 24px; margin-bottom: 26px; }
.sidebar-card h3 { font-size: 17px; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 2px solid var(--green-800); position: relative; }
.sidebar-card h3::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 46px; height: 2px; background: var(--gold); }
.hot-list li { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.hot-list li:last-child { border-bottom: 0; }
.hot-list a { display: flex; gap: 10px; font-size: 14px; color: var(--ink); }
.hot-list a:hover { color: var(--gold-dark); }
.hot-list .hl-date { flex-shrink: 0; color: var(--gray-light); font-size: 12.5px; }
.subscribe-form { display: flex; gap: 8px; margin-top: 6px; }
.subscribe-form input { flex: 1; border: 1px solid var(--line); border-radius: 6px; padding: 10px 14px; font-size: 14px; font-family: var(--font-body); }
.subscribe-form input:focus { outline: none; border-color: var(--gold); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 56px; }
.contact-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 22px; text-align: center; transition: all .3s ease; }
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.contact-card .cc-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: var(--green-050); display: flex; align-items: center; justify-content: center; }
.contact-card .cc-icon svg { width: 26px; height: 26px; color: var(--green-700); }
.contact-card h3 { font-size: 16px; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--gray); }
.contact-card a { color: var(--green-700); }
.contact-card a:hover { color: var(--gold-dark); }

.contact-main { display: grid; grid-template-columns: 1.1fr 1fr; gap: 44px; align-items: start; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 34px; }
.form-card h2 { font-size: 22px; margin-bottom: 8px; }
.form-card > p { color: var(--gray); font-size: 14px; margin-bottom: 26px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--green-900); }
.form-group label .req { color: #b04a2f; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  font-size: 15px; font-family: var(--font-body); background: var(--paper); transition: border-color .25s ease;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--gold); background: #fff; }
.form-tip { font-size: 12.5px; color: var(--gray-light); margin-top: 10px; }
.form-success { display: none; margin-top: 16px; padding: 14px 18px; border-radius: 8px; background: var(--green-050); border: 1px solid #cfe2d3; color: var(--green-700); font-size: 14.5px; }
.form-success.show { display: block; }

.map-card { overflow: hidden; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map-card iframe { display: block; width: 100%; height: 320px; border: 0; }
.map-card .map-cap { padding: 14px 20px; background: var(--white); font-size: 13.5px; color: var(--gray); display: flex; gap: 8px; align-items: center; }
.map-card .map-cap svg { width: 15px; height: 15px; color: var(--gold-dark); flex-shrink: 0; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.faq-item .faq-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; cursor: pointer; font-size: 15.5px; font-weight: 600; color: var(--green-900); }
.faq-item .faq-q .faq-icon { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--gold); color: var(--gold-dark); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px; transition: transform .3s ease; }
.faq-item .faq-a { display: none; padding: 0 22px 20px; color: var(--gray); font-size: 14.5px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-a { display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: #9fb8aa; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding: 64px 0 48px; }
.footer-col h3 { color: #fff; font-size: 16px; letter-spacing: .1em; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer-col h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--gold); }
.footer-col p { font-size: 14px; line-height: 1.9; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #9fb8aa; font-size: 14px; }
.footer-col ul a:hover { color: var(--gold-light); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .logo-mark { width: 42px; height: 42px; font-size: 17px; }
.footer-brand .logo-text { color: #fff; font-size: 20px; }
.footer-brand .logo-text small { color: #7d9688; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; margin-bottom: 12px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 5px; }
.footer-contact a { color: #9fb8aa; }
.footer-contact a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }
.footer-bottom a { color: #9fb8aa; }
.footer-bottom a:hover { color: var(--gold-light); }

/* ---------- Modal ---------- */
.modal-mask { position: fixed; inset: 0; z-index: 2000; background: rgba(8,31,19,.62); display: none; align-items: center; justify-content: center; padding: 24px; backdrop-filter: blur(3px); }
.modal-mask.open { display: flex; }
.modal-box { background: var(--white); border-radius: var(--radius-lg); max-width: 720px; width: 100%; max-height: 86vh; overflow-y: auto; padding: 38px 40px; position: relative; animation: fadeUp .35s ease; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--cream); color: var(--ink); font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: var(--gold); color: #fff; }
.modal-box .modal-tag { display: inline-block; background: var(--green-800); color: var(--gold-light); font-size: 12px; padding: 4px 14px; border-radius: 20px; letter-spacing: .08em; margin-bottom: 16px; }
.modal-box h2 { font-size: 24px; margin-bottom: 12px; }
.modal-box .modal-meta { font-size: 13px; color: var(--gray-light); margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.modal-box .modal-content p { margin-bottom: 16px; font-size: 15px; color: #44443c; text-align: justify; }
.modal-box .modal-content h3 { font-size: 17px; margin: 22px 0 10px; }

/* ---------- Back to top ---------- */
.backtop { position: fixed; right: 26px; bottom: 30px; z-index: 900; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--green-700); color: #fff; cursor: pointer; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s ease; display: flex; align-items: center; justify-content: center; }
.backtop.show { opacity: 1; visibility: visible; transform: translateY(0); }
.backtop:hover { background: var(--gold-dark); }
.backtop svg { width: 18px; height: 18px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Animations ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .process::before { display: none; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature .nf-body { padding: 30px; }
  .news-feature .nf-img { min-height: 240px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .biz-feature { grid-template-columns: 1fr; gap: 40px; }
  .biz-feature.rev .bf-img { order: 0; }
  .biz-feature.rev .bf-body { order: 1; }
  .contact-main { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .hero { min-height: 520px; }
  .hero h1 { font-size: 32px; }
  .hero-inner { padding: 70px 0; }
  .page-banner { min-height: 230px; }
  .page-banner h1 { font-size: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .biz-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .news-grid, .case-grid, .praise-grid, .value-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .testi-slide { padding: 34px 22px; }
  .testi-slide blockquote { font-size: 16px; }
  .cta-inner { padding: 48px 0; }
  .form-row { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .navbar-inner { min-height: 64px; }
  .main-nav {
    position: fixed; top: 0; right: -290px; width: 280px; height: 100vh;
    background: var(--white); box-shadow: -10px 0 40px rgba(8,31,19,.18);
    transition: right .35s ease; z-index: 1100; padding: 90px 26px 40px; overflow-y: auto;
  }
  .main-nav.open { right: 0; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav > ul > li > a { padding: 13px 12px; font-size: 16px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 14px; display: none; }
  .main-nav > ul > li.open-m .dropdown { display: block; }
  .nav-toggle { display: flex; }
  .btn-nav { display: none; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(8,31,19,.4); z-index: 1050; opacity: 0; visibility: hidden; transition: all .3s ease; }
  .nav-backdrop.show { opacity: 1; visibility: visible; }
  .modal-box { padding: 30px 24px; }
  .news-feature .nf-body { padding: 22px; }
}