/* ========================================
   脸纪招商官网  样式
   主色调: 高级金 + 玫瑰金 + 深邃黑紫
   ======================================== */

:root {
  --c-primary: #b8965a;        /* 主品牌金 */
  --c-primary-dark: #92734a;
  --c-primary-light: #d8b87c;
  --c-gold-grad: linear-gradient(135deg, #e6c896 0%, #b8965a 50%, #8a6a3a 100%);
  --c-rose-grad: linear-gradient(135deg, #f8d7d2 0%, #e8b4a8 100%);
  --c-dark: #1a1620;            /* 深邃背景 */
  --c-dark-2: #2a2230;
  --c-text: #2c2630;
  --c-text-light: #6b6470;
  --c-text-mute: #9b94a0;
  --c-bg: #faf8f5;              /* 米白底 */
  --c-bg-2: #f3efe8;
  --c-white: #ffffff;
  --c-accent: #d4a574;
  --c-pink: #f4c8c0;
  --shadow-sm: 0 2px 8px rgba(184,150,90,.08);
  --shadow-md: 0 8px 28px rgba(184,150,90,.16);
  --shadow-lg: 0 16px 50px rgba(184,150,90,.22);
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1240px;
  --header-h: 72px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color .25s; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

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

/* === 顶部公告条 === */
.top-bar {
  background: var(--c-dark);
  color: #d8c9a8;
  font-size: 13px;
  text-align: center;
  padding: 8px 16px;
  letter-spacing: .5px;
}
.top-bar strong { color: var(--c-primary-light); }

/* === 导航 === */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  height: var(--header-h);
}
.header-inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 44px; width: auto; }
.logo-text { font-size: 22px; font-weight: 700; letter-spacing: 1px; color: var(--c-primary-dark); }
.logo-text small { display: block; font-size: 10px; color: var(--c-text-mute); font-weight: 400; letter-spacing: 2px; }

.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  padding: 8px 16px; border-radius: 30px;
  font-size: 15px; color: var(--c-text); font-weight: 500;
  position: relative;
}
.nav a:hover, .nav a.active { color: var(--c-primary-dark); background: rgba(184,150,90,.1); }

.btn-cta {
  margin-left: 12px;
  background: var(--c-gold-grad);
  color: #fff !important; padding: 10px 22px !important;
  border-radius: 30px; font-weight: 600;
  box-shadow: 0 4px 14px rgba(184,150,90,.4);
}
.btn-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(184,150,90,.55); }

.menu-toggle { display: none; font-size: 24px; color: var(--c-primary-dark); padding: 6px; }

/* === Hero === */
.hero {
  position: relative;
  background: linear-gradient(135deg, #1a1620 0%, #2a1f2d 40%, #3a2530 100%);
  color: #fff;
  overflow: hidden;
  padding: 80px 0 100px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(184,150,90,.25), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(212,165,116,.18), transparent 40%);
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(184,150,90,.18);
  border: 1px solid rgba(216,200,168,.4);
  color: #e6d4ab; padding: 6px 16px; border-radius: 30px;
  font-size: 13px; margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--c-primary-light); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.4;} }

.hero h1 {
  font-size: 48px; line-height: 1.25; font-weight: 800;
  letter-spacing: 1px; margin-bottom: 8px;
}
.hero h1 .gold { background: var(--c-gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-slogan {
  font-size: 22px; color: #e6d4ab; font-weight: 500;
  letter-spacing: 3px; margin-bottom: 24px;
}
.hero p.lead { font-size: 16px; color: rgba(255,255,255,.78); margin-bottom: 32px; max-width: 540px; }

.hero-stats { display: flex; gap: 36px; margin-bottom: 36px; flex-wrap: wrap; }
.hero-stat .num { font-size: 38px; font-weight: 800; color: var(--c-primary-light); line-height: 1; }
.hero-stat .num span { font-size: 18px; margin-left: 2px; }
.hero-stat .lbl { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 6px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 30px;
  font-size: 15px; font-weight: 600;
  transition: all .25s; cursor: pointer;
}
.btn-gold { background: var(--c-gold-grad); color: #fff; box-shadow: 0 6px 20px rgba(184,150,90,.4); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(184,150,90,.55); }
.btn-outline { background: rgba(255,255,255,.06); color: #fff; border: 1.5px solid rgba(255,255,255,.3); }
.btn-outline:hover { border-color: var(--c-primary-light); color: var(--c-primary-light); }

.hero-visual { position: relative; }
.hero-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid rgba(255,255,255,.08);
  aspect-ratio: 4/5;
  background: rgba(255,255,255,.05);
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-float {
  position: absolute; bottom: -24px; left: -20px;
  background: #fff; color: var(--c-text);
  border-radius: 14px; padding: 16px 22px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
}
.hero-float .ic { width: 40px; height: 40px; border-radius: 50%; background: var(--c-rose-grad); display: grid; place-items: center; font-size: 20px; }
.hero-float .t { font-size: 13px; color: var(--c-text-light); }
.hero-float .v { font-size: 17px; font-weight: 700; color: var(--c-primary-dark); }

/* === 通用区块 === */
.section { padding: 90px 0; }
.section.alt { background: var(--c-bg-2); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block; color: var(--c-primary-dark);
  font-size: 13px; font-weight: 700; letter-spacing: 4px;
  text-transform: uppercase; margin-bottom: 12px;
  padding: 4px 14px; background: rgba(184,150,90,.12); border-radius: 20px;
}
.section-head h2 {
  font-size: 36px; font-weight: 800; color: var(--c-text);
  margin-bottom: 14px; letter-spacing: 1px;
}
.section-head h2 .gold { color: var(--c-primary-dark); }
.section-head p { color: var(--c-text-light); font-size: 16px; }

/* === 信任栏 === */
.trust {
  background: #fff; padding: 28px 0; border-bottom: 1px solid rgba(184,150,90,.1);
}
.trust-inner { display: flex; justify-content: space-around; gap: 20px; flex-wrap: wrap; text-align: center; }
.trust-item .num { font-size: 30px; font-weight: 800; color: var(--c-primary-dark); }
.trust-item .num span { font-size: 16px; }
.trust-item .lbl { font-size: 13px; color: var(--c-text-light); margin-top: 4px; }

/* === 卡片网格 === */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: #fff; border-radius: var(--radius-lg);
  padding: 36px 28px; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184,150,90,.08);
  transition: all .3s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(184,150,90,.3); }
.card .ic {
  width: 64px; height: 64px; border-radius: 18px;
  background: var(--c-gold-grad); display: grid; place-items: center;
  margin-bottom: 22px; color: #fff; font-size: 28px;
  box-shadow: 0 6px 16px rgba(184,150,90,.3);
}
.card.rose .ic { background: var(--c-rose-grad); color: #b8696b; }
.card h3 { font-size: 20px; margin-bottom: 12px; color: var(--c-text); font-weight: 700; }
.card p { color: var(--c-text-light); font-size: 14.5px; line-height: 1.85; }
.card .num-tag {
  position: absolute; top: 24px; right: 28px;
  font-size: 56px; font-weight: 900; color: rgba(184,150,90,.1);
  line-height: 1;
}

/* === 流程步骤 === */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step {
  text-align: center; padding: 32px 22px;
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid rgba(184,150,90,.1);
  position: relative;
}
.step .step-n {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--c-gold-grad); color: #fff;
  display: grid; place-items: center;
  font-size: 22px; font-weight: 800;
  margin: 0 auto 18px;
  box-shadow: 0 6px 16px rgba(184,150,90,.35);
}
.step h4 { font-size: 18px; margin-bottom: 10px; color: var(--c-text); }
.step p { font-size: 13.5px; color: var(--c-text-light); }

/* === 套餐对比 === */
.compare-wrap { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan {
  background: #fff; border-radius: var(--radius-lg);
  padding: 40px 32px; border: 2px solid rgba(184,150,90,.15);
  position: relative; transition: all .3s;
}
.plan.hot { border-color: var(--c-primary); box-shadow: var(--shadow-md); transform: scale(1.02); }
.plan .ribbon {
  position: absolute; top: -14px; right: 28px;
  background: var(--c-gold-grad); color: #fff;
  padding: 6px 18px; border-radius: 20px;
  font-size: 12px; font-weight: 700; letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(184,150,90,.4);
}
.plan h3 { font-size: 22px; color: var(--c-text); margin-bottom: 8px; font-weight: 700; }
.plan .price { font-size: 42px; font-weight: 800; color: var(--c-primary-dark); margin: 16px 0; }
.plan .price span { font-size: 18px; }
.plan .price small { font-size: 14px; color: var(--c-text-mute); font-weight: 400; display: block; margin-top: 4px; }
.plan ul li {
  padding: 10px 0; border-bottom: 1px dashed rgba(184,150,90,.15);
  font-size: 14.5px; color: var(--c-text); display: flex; gap: 10px;
}
.plan ul li:last-child { border: none; }
.plan ul li::before { content: "✓"; color: var(--c-primary); font-weight: 800; }
.plan .btn { width: 100%; justify-content: center; margin-top: 22px; }

/* === 案例 before/after === */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  background: #fff; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184,150,90,.1);
  transition: all .3s;
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.case-card .meta { padding: 16px 18px; }
.case-card .meta .tag { font-size: 12px; color: var(--c-primary-dark); background: rgba(184,150,90,.12); padding: 2px 10px; border-radius: 10px; }
.case-card .meta p { margin-top: 8px; font-size: 13.5px; color: var(--c-text-light); }

/* === 加盟CTA === */
.cta-band {
  background: linear-gradient(135deg, #1a1620 0%, #2a1f2d 50%, #3a2530 100%);
  color: #fff; position: relative; overflow: hidden;
  padding: 80px 0;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(184,150,90,.22), transparent 50%);
}
.cta-band-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.4fr 1fr; gap: 50px; align-items: center; }
.cta-band h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.cta-band h2 .gold { background: var(--c-gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta-band p { color: rgba(255,255,255,.78); font-size: 16px; max-width: 520px; margin-bottom: 26px; }
.cta-qr {
  background: #fff; border-radius: var(--radius-lg);
  padding: 24px; text-align: center; color: var(--c-text);
  box-shadow: var(--shadow-lg);
  max-width: 280px; justify-self: end;
}
.cta-qr img { width: 100%; border-radius: 10px; margin-bottom: 14px; }
.cta-qr h4 { font-size: 17px; color: var(--c-primary-dark); margin-bottom: 4px; }
.cta-qr p { color: var(--c-text-light); font-size: 13px; margin: 0; }

/* === FAQ === */
.faq { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden;
  border: 1px solid rgba(184,150,90,.12);
}
.faq-q {
  padding: 20px 26px; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-weight: 600; color: var(--c-text); font-size: 16px;
}
.faq-q .pm { color: var(--c-primary-dark); font-size: 22px; transition: transform .3s; }
.faq-item.open .pm { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0 26px; }
.faq-item.open .faq-a { max-height: 400px; padding-bottom: 22px; }
.faq-a p { color: var(--c-text-light); font-size: 14.5px; }

/* === 文章卡片 === */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.article-card {
  background: #fff; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(184,150,90,.08);
  transition: all .3s; display: flex; flex-direction: column;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.article-card .cover { aspect-ratio: 16/10; overflow: hidden; background: var(--c-bg-2); }
.article-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.article-card:hover .cover img { transform: scale(1.06); }
.article-card .body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.article-card .cat { font-size: 12px; color: var(--c-primary-dark); font-weight: 700; letter-spacing: 1px; margin-bottom: 10px; }
.article-card h3 { font-size: 18px; line-height: 1.5; margin-bottom: 10px; color: var(--c-text); font-weight: 700; }
.article-card .sum { color: var(--c-text-light); font-size: 13.5px; flex: 1; line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-card .foot { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 14px; border-top: 1px dashed rgba(184,150,90,.18); font-size: 12.5px; color: var(--c-text-mute); }
.article-card .more { color: var(--c-primary-dark); font-weight: 600; }

/* === 浮动悬浮 === */
.float-cta {
  position: fixed; right: 22px; bottom: 28px; z-index: 90;
  display: flex; flex-direction: column; gap: 12px;
}
.float-cta .btn-circle {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--c-gold-grad); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(184,150,90,.45);
  font-size: 22px; cursor: pointer;
  transition: transform .25s;
}
.float-cta .btn-circle:hover { transform: scale(1.08); }

/* === 弹窗 微信 === */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(20,15,25,.65); backdrop-filter: blur(4px);
  display: none; place-items: center; padding: 24px;
}
.modal-mask.show { display: grid; }
.modal-box {
  background: #fff; border-radius: 24px;
  padding: 36px; max-width: 360px; width: 100%;
  text-align: center; position: relative;
  animation: pop .3s ease;
}
@keyframes pop { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-box .close {
  position: absolute; top: 14px; right: 16px;
  font-size: 24px; color: var(--c-text-mute); cursor: pointer;
}
.modal-box h3 { color: var(--c-primary-dark); font-size: 22px; margin-bottom: 6px; }
.modal-box .sub { color: var(--c-text-light); font-size: 14px; margin-bottom: 18px; }
.modal-box img { width: 240px; height: 240px; object-fit: cover; border-radius: 14px; margin: 0 auto 14px; }
.modal-box .wxid { background: var(--c-bg-2); padding: 10px 16px; border-radius: 10px; font-size: 15px; color: var(--c-text); font-weight: 600; }

/* === Footer === */
.footer {
  background: #14101a; color: rgba(255,255,255,.7);
  padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.footer ul li { margin-bottom: 10px; font-size: 14px; }
.footer ul li a:hover { color: var(--c-primary-light); }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 13.5px; margin-top: 14px; line-height: 1.85; }
.footer-qr img { width: 110px; border-radius: 8px; margin-bottom: 8px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 22px; text-align: center;
  font-size: 13px; color: rgba(255,255,255,.5);
}
.footer-bottom a { color: var(--c-primary-light); }
.footer-bottom a:hover { text-decoration: underline; }

/* === 文章列表/详情页通用 === */
.page-banner {
  background: linear-gradient(135deg, #1a1620 0%, #2a1f2d 50%, #3a2530 100%);
  color: #fff; padding: 70px 0 50px; text-align: center;
  position: relative; overflow: hidden;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(184,150,90,.2), transparent 60%);
}
.page-banner > * { position: relative; z-index: 2; }
.page-banner h1 { font-size: 38px; font-weight: 800; margin-bottom: 12px; }
.page-banner h1 .gold { background: var(--c-gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-banner p { color: rgba(255,255,255,.75); font-size: 15px; }
.breadcrumb { font-size: 13px; color: var(--c-text-mute); margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--c-primary-dark); }
.breadcrumb .sep { margin: 0 8px; }

.article-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.pagination { text-align: center; margin-top: 50px; }
.pagination button {
  background: #fff; border: 1px solid rgba(184,150,90,.2);
  padding: 8px 18px; border-radius: 8px; margin: 0 4px;
  color: var(--c-text); transition: all .2s;
}
.pagination button.active, .pagination button:hover { background: var(--c-gold-grad); color: #fff; border-color: transparent; }
.pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* 文章详情 */
.article-detail { max-width: 880px; margin: 0 auto; }
.article-detail .meta-top { display: flex; gap: 14px; align-items: center; margin-bottom: 14px; font-size: 13.5px; color: var(--c-text-mute); }
.article-detail .meta-top .cat { color: var(--c-primary-dark); background: rgba(184,150,90,.12); padding: 4px 12px; border-radius: 12px; font-weight: 600; }
.article-detail h1.art-title { font-size: 32px; line-height: 1.4; margin-bottom: 16px; color: var(--c-text); font-weight: 800; }
.article-detail .summary {
  background: var(--c-bg-2); border-left: 4px solid var(--c-primary);
  padding: 16px 20px; border-radius: 0 10px 10px 0;
  color: var(--c-text-light); margin-bottom: 28px;
  font-size: 14.5px;
}
.article-content { font-size: 16px; line-height: 2; color: #3a3340; }
.article-content h2 { font-size: 24px; margin: 32px 0 14px; color: var(--c-text); font-weight: 700; border-left: 5px solid var(--c-primary); padding-left: 14px; }
.article-content h3 { font-size: 19px; margin: 24px 0 10px; color: var(--c-primary-dark); font-weight: 700; }
.article-content p { margin-bottom: 16px; }
.article-content ul, .article-content ol { margin: 12px 0 18px 24px; }
.article-content ul li, .article-content ol li { margin-bottom: 8px; list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content blockquote {
  background: linear-gradient(135deg, #fbf6ec, #f6ebd8);
  padding: 18px 24px; border-radius: 10px;
  border-left: 4px solid var(--c-primary);
  margin: 22px 0; color: var(--c-primary-dark); font-weight: 600;
  text-align: center; font-size: 17px;
}
.article-content img { border-radius: 12px; margin: 18px 0; }
.article-content strong { color: var(--c-primary-dark); }
.art-cta-box {
  background: var(--c-gold-grad); color: #fff;
  border-radius: var(--radius-lg); padding: 28px;
  margin: 40px 0; text-align: center;
}
.art-cta-box h3 { font-size: 22px; margin-bottom: 8px; }
.art-cta-box p { opacity: .9; margin-bottom: 16px; }
.art-cta-box button { background: #fff; color: var(--c-primary-dark); padding: 12px 28px; border-radius: 30px; font-weight: 700; }

.related-box { margin-top: 60px; }
.related-box h3 { font-size: 22px; margin-bottom: 22px; font-weight: 700; color: var(--c-text); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.related-card { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(184,150,90,.1); display: flex; gap: 14px; padding: 14px; }
.related-card img { width: 110px; height: 80px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.related-card .info h4 { font-size: 14.5px; line-height: 1.5; color: var(--c-text); font-weight: 600; }
.related-card .info p { font-size: 12px; color: var(--c-text-mute); margin-top: 6px; }

/* === 响应式 === */
@media (max-width: 980px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
  .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; padding: 14px; gap: 4px;
    box-shadow: var(--shadow-md); border-top: 1px solid rgba(184,150,90,.1);
  }
  .nav.open a { width: 100%; }
  .btn-cta { margin-left: 0; margin-top: 6px; text-align: center; }

  .hero { padding: 50px 0 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 32px; }
  .hero-slogan { font-size: 17px; letter-spacing: 2px; }
  .hero-stats { gap: 22px; }
  .hero-stat .num { font-size: 28px; }
  .hero-float { left: 0; right: 0; bottom: -18px; }

  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .article-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .compare-wrap { grid-template-columns: 1fr; }
  .plan.hot { transform: none; }
  .cta-band-inner { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .cta-qr { justify-self: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-detail h1.art-title { font-size: 24px; }
  .article-content { font-size: 15px; }
}

@media (max-width: 560px) {
  .container { padding: 0 16px; }
  .top-bar { font-size: 12px; padding: 6px 10px; }
  .hero h1 { font-size: 26px; }
  .case-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .float-cta .btn-circle { width: 50px; height: 50px; font-size: 20px; }
  .section-head h2 { font-size: 22px; }
  .hero-stat .num { font-size: 24px; }
  .logo-text { font-size: 18px; }
  .logo img { height: 36px; }
}