/* roulang page: index */
:root {
  --color-primary: #0E6E6A;
  --color-primary-dark: #0A5350;
  --color-primary-soft: #E1F0F0;
  --color-secondary: #D46744;
  --color-secondary-dark: #B95333;
  --color-secondary-soft: #FBE9E3;
  --color-accent-gold: #B8935A;
  --color-bg: #F8F6F2;
  --color-card: #FFFFFF;
  --color-text: #22333B;
  --color-text-secondary: #66757F;
  --color-border: #E3E8E6;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 4px rgba(14,110,106,0.06), 0 2px 12px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(14,110,106,0.12);
  --shadow-deep: 0 16px 40px rgba(14,110,106,0.18);
  --container: 1200px;
  --gap: 24px;
  --font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-family); background: var(--color-bg); color: var(--color-text); font-size: 16px; line-height: 1.85; letter-spacing: 0.02em; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 88px 0; }

/* ========== 顶部信息条 ========== */
.topbar { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); font-size: 13px; padding: 6px 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.topbar a { color: rgba(255,255,255,0.85); }
.topbar a:hover { color: #fff; }
.topbar-contact { display: flex; gap: 20px; }

/* ========== Header / 导航 ========== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(248,246,242,0.95); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
.site-header.scrolled { background: rgba(248,246,242,0.98); border-bottom-color: rgba(227,232,230,0.9); box-shadow: 0 2px 12px rgba(0,0,0,0.04); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-icon { width: 42px; height: 42px; background: var(--color-primary); border-radius: 12px; display: flex; align-items: center; justify-content: center; position: relative; flex-shrink: 0; box-shadow: 0 4px 12px rgba(14,110,106,0.2); }
.brand-icon::before, .brand-icon::after { content: ''; position: absolute; width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.brand-icon::before { transform: rotate(28deg); }
.brand-icon::after { transform: rotate(-28deg); }
.brand-icon span { width: 6px; height: 6px; background: var(--color-secondary); border-radius: 50%; position: relative; z-index: 2; border: 1.5px solid #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 20px; font-weight: 700; color: var(--color-text); letter-spacing: 0.01em; }
.brand-sub { font-size: 11px; color: var(--color-text-secondary); letter-spacing: 0.08em; }
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav a { padding: 10px 16px; font-size: 15px; font-weight: 500; color: var(--color-text); border-radius: var(--radius-sm); position: relative; transition: background 0.2s ease, color 0.2s ease; }
.main-nav a:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.main-nav a.active { color: var(--color-primary); background: var(--color-primary-soft); font-weight: 600; }
.main-nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 16px; right: 16px; height: 2px; background: var(--color-primary); border-radius: 2px; }
.nav-cta { margin-left: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 15px; line-height: 1; transition: all 0.25s ease; text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff !important; box-shadow: 0 4px 12px rgba(14,110,106,0.2); }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14,110,106,0.28); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(14,110,106,0.2); }
.btn-secondary { background: var(--color-secondary); color: #fff !important; box-shadow: 0 4px 12px rgba(212,103,68,0.2); }
.btn-secondary:hover { background: var(--color-secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(212,103,68,0.3); }
.btn-secondary:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--color-primary) !important; border: 1.5px solid var(--color-primary); }
.btn-ghost:hover { background: rgba(14,110,106,0.06); box-shadow: none; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--color-primary) !important; }
.btn-white:hover { background: rgba(255,255,255,0.9); color: var(--color-primary-dark) !important; }
.btn-outline-white { background: transparent; color: #fff !important; border: 1.5px solid rgba(255,255,255,0.7); }
.btn-outline-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-lg { min-height: 52px; padding: 0 36px; font-size: 16px; }
.hamburger { display: none; width: 44px; height: 44px; border-radius: 8px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: var(--color-primary-soft); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Drawer */
.mobile-drawer { display: none; position: fixed; top: 0; right: -320px; width: 300px; height: 100vh; background: var(--color-bg); z-index: 200; padding: 80px 28px 32px; box-shadow: -12px 0 40px rgba(0,0,0,0.12); transition: right 0.3s ease; flex-direction: column; }
.mobile-drawer.open { right: 0; }
.mobile-drawer a { font-size: 18px; padding: 14px 0; border-bottom: 1px solid var(--color-border); color: var(--color-text); font-weight: 500; }
.mobile-drawer a:hover, .mobile-drawer a.active { color: var(--color-primary); }
.mobile-drawer .drawer-cta { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.mobile-drawer .drawer-cta .btn { min-height: 48px; }
.drawer-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 150; opacity: 0; transition: opacity 0.3s ease; }
.drawer-overlay.open { opacity: 1; }
body.drawer-open { overflow: hidden; }

/* ========== Hero ========== */
.hero { position: relative; background: linear-gradient(90deg, rgba(248,246,242,0.96) 0%, rgba(248,246,242,0.88) 60%, rgba(248,246,242,0.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; padding: 72px 0 88px; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 40px; right: 6%; width: 260px; height: 260px; border: 1.5px dashed rgba(14,110,106,0.25); border-radius: 50%; pointer-events: none; }
.hero::after { content: ''; position: absolute; top: 110px; right: calc(6% + 60px); width: 8px; height: 8px; background: var(--color-secondary); border-radius: 50%; box-shadow: 0 0 0 4px rgba(212,103,68,0.15); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--color-border); box-shadow: var(--shadow-card); padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--color-primary); margin-bottom: 20px; }
.hero-badge::before { content: ''; width: 8px; height: 8px; background: var(--color-secondary); border-radius: 50%; }
.hero h1 { font-size: clamp(32px, 4vw, 46px); font-weight: 700; line-height: 1.3; letter-spacing: 0.01em; color: var(--color-text); margin-bottom: 18px; }
.hero h1 .highlight { color: var(--color-primary); position: relative; }
.hero h1 .highlight::after { content: ''; position: absolute; bottom: 4px; left: 0; width: 100%; height: 8px; background: var(--color-primary-soft); z-index: -1; border-radius: 4px; }
.hero-sub { font-size: 17px; color: var(--color-text-secondary); line-height: 1.7; max-width: 520px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--color-text-secondary); }
.hero-trust .dot { width: 4px; height: 4px; background: var(--color-secondary); border-radius: 50%; }
.hero-visual { position: relative; }
.hero-visual .visual-wrap { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-deep); position: relative; aspect-ratio: 4/3; z-index: 2; border: 3px solid #fff; }
.hero-visual .visual-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.hero-visual:hover .visual-wrap img { transform: scale(1.04); }
.visual-frame { position: absolute; top: -16px; right: -16px; left: 16px; bottom: 16px; border: 2px solid var(--color-primary); border-radius: 18px; z-index: 1; opacity: 0.6; }
.visual-accent { position: absolute; bottom: -20px; left: -18px; width: 140px; height: 140px; background: var(--color-primary); border-radius: 16px; z-index: 0; opacity: 0.12; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--color-border); }
.hero-stat { text-align: center; background: rgba(255,255,255,0.65); border-radius: var(--radius-md); padding: 12px 8px; border: 1px solid rgba(255,255,255,0.9); }
.hero-stat strong { display: block; font-size: 24px; color: var(--color-primary); font-weight: 700; line-height: 1.3; }
.hero-stat span { font-size: 12px; color: var(--color-text-secondary); }
@media (min-width: 768px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
}

/* ========== 核心服务矩阵 ========== */
.services { position: relative; }
.services::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 60%; height: 1px; background: linear-gradient(90deg, transparent, var(--color-border), transparent); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 24px; flex-wrap: wrap; }
.section-head .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-secondary); background: var(--color-secondary-soft); padding: 5px 14px; border-radius: 999px; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; color: var(--color-text); line-height: 1.3; letter-spacing: 0.01em; }
.section-head .sub { color: var(--color-text-secondary); font-size: 15px; margin-top: 8px; }
.section-link { font-size: 15px; font-weight: 600; color: var(--color-secondary); padding: 10px 18px; border-radius: var(--radius-sm); background: var(--color-secondary-soft); transition: all 0.25s ease; }
.section-link:hover { background: var(--color-secondary); color: #fff; }
.service-feature { background: var(--color-primary); border-radius: var(--radius-lg); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-bottom: 24px; position: relative; overflow: hidden; flex-wrap: wrap; }
.service-feature::before { content: ''; position: absolute; right: -30px; top: -30px; width: 120px; height: 120px; border: 2px dashed rgba(255,255,255,0.25); border-radius: 50%; }
.service-feature::after { content: ''; position: absolute; right: 20px; bottom: 12px; width: 8px; height: 8px; background: var(--color-accent-gold); border-radius: 50%; box-shadow: 0 0 0 6px rgba(184,147,90,0.2); }
.service-feature h3 { color: #fff; font-size: 20px; font-weight: 600; flex: 1; min-width: 200px; line-height: 1.4; }
.service-feature p { color: rgba(255,255,255,0.85); font-size: 15px; flex: 2; min-width: 260px; max-width: 640px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.service-card { background: var(--color-card); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-card); border: 1px solid var(--color-border); transition: all 0.3s ease; position: relative; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(14,110,106,0.25); }
.service-card .icon-wrap { width: 48px; height: 48px; background: var(--color-primary-soft); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; color: var(--color-primary); }
.service-card .icon-wrap svg { width: 24px; height: 24px; }
.service-card .hot-badge { position: absolute; top: 20px; right: 20px; background: var(--color-secondary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: var(--color-text); }
.service-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 18px; }
.service-card .card-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--color-primary); transition: all 0.25s ease; }
.service-card .card-link .arrow { transition: transform 0.25s ease; }
.service-card:hover .card-link { color: var(--color-secondary); }
.service-card:hover .card-link .arrow { transform: translateX(4px); }
.service-card:nth-child(3) { margin-top: 24px; }
.service-card:nth-child(2) { margin-top: -12px; }
@media (max-width: 1023px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(3) { margin-top: 0; }
  .service-card:nth-child(2) { margin-top: 0; }
}
@media (max-width: 640px) {
  .service-grid { grid-template-columns: 1fr; }
  .service-feature { flex-direction: column; align-items: flex-start; padding: 28px; }
}

/* ========== 应用场景 ========== */
.scenarios { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.scenarios .container { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 64px; align-items: start; }
.scenarios-head { position: sticky; top: 110px; }
.scenarios-head .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--color-secondary); background: var(--color-secondary-soft); padding: 5px 14px; border-radius: 999px; margin-bottom: 12px; }
.scenarios-head h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.scenarios-head p { color: var(--color-text-secondary); font-size: 15px; line-height: 1.7; }
.scenario-list { display: flex; flex-direction: column; }
.scenario-item { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 28px 24px; border-bottom: 1px solid var(--color-border); border-radius: 12px; transition: all 0.3s ease; cursor: default; }
.scenario-item:hover { background: rgba(225,240,240,0.4); border-left: 4px solid var(--color-primary); padding-left: 20px; }
.scenario-item:last-child { border-bottom: none; }
.scenario-num { font-size: 24px; font-weight: 700; color: var(--color-secondary); opacity: 0.9; line-height: 1.3; }
.scenario-item h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; color: var(--color-text); }
.scenario-item p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
.scenario-dot { display: flex; gap: 4px; margin-top: 14px; }
.scenario-dot i { width: 5px; height: 5px; background: var(--color-primary); border-radius: 50%; opacity: 0.4; }
.scenario-dot i:first-child { opacity: 0.7; }
.scenario-dot i:last-child { opacity: 0.2; }
@media (max-width: 1023px) {
  .scenarios .container { grid-template-columns: 1fr; gap: 32px; }
  .scenarios-head { position: static; }
}

/* ========== 成功案例 ========== */
.cases { position: relative; }
.case-scroll { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; }
.case-card { background: var(--color-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); border: 1px solid var(--color-border); overflow: hidden; scroll-snap-align: start; transition: all 0.3s ease; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-card:hover .case-img img { transform: scale(1.05); }
.case-top-badge { position: absolute; top: 12px; left: 12px; background: var(--color-accent-gold); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 6px; letter-spacing: 0.05em; }
.case-body { padding: 22px 24px 24px; }
.case-tag { display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-sm); background: var(--color-primary-soft); color: var(--color-primary); margin-bottom: 12px; }
.case-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 14px; color: var(--color-text); line-height: 1.5; }
.case-data { display: flex; gap: 24px; border-top: 1px solid #F0F2F1; padding-top: 14px; margin-top: 14px; }
.case-data .num { display: block; font-size: 28px; font-weight: 700; color: var(--color-primary); line-height: 1.2; }
.case-data .label { font-size: 12px; color: var(--color-text-secondary); }
@media (max-width: 1023px) {
  .case-scroll { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .case-scroll { grid-template-columns: 1fr; }
}

/* ========== 服务方案 ========== */
.plans { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); align-items: stretch; }
.plan-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px 28px; display: flex; flex-direction: column; position: relative; transition: all 0.3s ease; }
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.plan-card.recommended { border: 2px solid var(--color-primary); box-shadow: var(--shadow-hover); transform: scale(1.02); z-index: 2; }
.plan-card.recommended:hover { transform: scale(1.02) translateY(-4px); box-shadow: 0 16px 36px rgba(14,110,106,0.16); }
.plan-recommend { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--color-secondary); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 18px; border-radius: 999px; letter-spacing: 0.05em; white-space: nowrap; }
.plan-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 14px; color: var(--color-text); }
.plan-price { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); }
.plan-price .amount { font-size: 36px; font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.plan-price .unit { font-size: 14px; color: var(--color-text-secondary); margin-left: 4px; }
.plan-features { margin-bottom: 28px; flex: 1; }
.plan-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--color-text); padding: 7px 0; line-height: 1.6; }
.plan-features li .check { color: var(--color-primary); font-weight: 700; flex-shrink: 0; }
.plan-card .btn { margin-top: auto; width: 100%; }
@media (max-width: 1023px) {
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .plan-card.recommended { grid-column: 1 / -1; order: -1; }
}
@media (max-width: 640px) {
  .plan-grid { grid-template-columns: 1fr; }
  .plan-card.recommended { grid-column: auto; order: 0; }
}

/* ========== 最新资讯 / CMS 动态 ========== */
.news .news-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 32px; }
.news-featured { background: var(--color-card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--color-border); transition: all 0.3s ease; }
.news-featured:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.news-featured .news-img { aspect-ratio: 4/3; overflow: hidden; }
.news-featured .news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-featured:hover .news-img img { transform: scale(1.03); }
.news-featured .news-body { padding: 26px 28px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat { font-size: 12px; font-weight: 600; color: var(--color-secondary); background: var(--color-secondary-soft); padding: 4px 12px; border-radius: var(--radius-sm); }
.news-date { font-size: 13px; color: var(--color-text-secondary); }
.news-featured h3 { font-size: 20px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; }
.news-featured h3 a { color: var(--color-text); }
.news-featured h3 a:hover { color: var(--color-primary); }
.news-featured .news-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 14px; }
.news-more-link { font-size: 14px; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.news-more-link:hover { color: var(--color-secondary); gap: 10px; transition: gap 0.2s ease; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 18px 22px; transition: all 0.25s ease; }
.news-item:hover { background: rgba(225,240,240,0.4); border-color: rgba(14,110,106,0.25); }
.news-item .news-meta { margin-bottom: 6px; }
.news-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.news-item h4 a { color: var(--color-text); }
.news-item h4 a:hover { color: var(--color-primary); }
.news-item .news-desc { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty { background: var(--color-card); border: 1px dashed var(--color-border); border-radius: var(--radius-lg); padding: 60px 32px; text-align: center; color: var(--color-text-secondary); }
.news-empty svg { margin-bottom: 12px; opacity: 0.4; }
@media (max-width: 1023px) {
  .news .news-layout { grid-template-columns: 1fr; }
}

/* ========== FAQ ========== */
.faq { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 10px; overflow: hidden; transition: border-color 0.25s ease, box-shadow 0.25s ease; }
.faq-item:hover { border-color: rgba(14,110,106,0.3); }
.faq-item.open { border-color: rgba(14,110,106,0.4); box-shadow: var(--shadow-card); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; font-size: 16px; font-weight: 600; color: var(--color-text); background: none; text-align: left; gap: 16px; }
.faq-question .plus { font-size: 20px; color: var(--color-primary); transition: transform 0.3s ease; flex-shrink: 0; font-weight: 400; }
.faq-item.open .faq-question .plus { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 24px 22px; font-size: 14px; color: var(--color-text-secondary); line-height: 1.75; }

/* ========== CTA 区块 ========== */
.cta-section { background: var(--color-primary); position: relative; overflow: hidden; padding: 72px 0; }
.cta-section::before { content: ''; position: absolute; top: -40px; left: -40px; width: 200px; height: 200px; border: 2px dashed rgba(255,255,255,0.18); border-radius: 50%; }
.cta-section::after { content: ''; position: absolute; bottom: -60px; right: 8%; width: 260px; height: 260px; border: 2px dashed rgba(255,255,255,0.12); border-radius: 50%; }
.cta-dots { position: absolute; top: 40px; right: 30%; width: 8px; height: 8px; background: var(--color-accent-gold); border-radius: 50%; box-shadow: 0 0 0 6px rgba(184,147,90,0.2), 40px -20px 0 0 rgba(255,255,255,0.4), -30px 30px 0 0 rgba(255,255,255,0.2); }
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); font-weight: 700; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,0.82); font-size: 16px; margin-bottom: 32px; max-width: 640px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-badges { display: flex; justify-content: center; gap: 20px; margin-bottom: 28px; flex-wrap: wrap; }
.cta-badges span { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.9); font-size: 13px; }
.cta-badges svg { width: 16px; height: 16px; opacity: 0.7; }

/* ========== 页脚 ========== */
.site-footer { background: #0A2E2B; color: #9FB4BC; padding-top: 64px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .footer-logo .brand-name { color: #fff; }
.footer-brand .footer-logo .brand-sub { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 20px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); transition: all 0.25s ease; }
.footer-social a:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: 0.04em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: #9FB4BC; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; margin-bottom: 10px; color: #9FB4BC; }
.footer-contact svg { width: 16px; height: 16px; margin-top: 4px; flex-shrink: 0; opacity: 0.6; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .domain { color: rgba(255,255,255,0.35); }
@media (max-width: 1023px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .section-padding { padding: 72px 0; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-inner .nav-cta { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
  .scenarios-head { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section-padding { padding: 56px 0; }
  .container { padding: 0 16px; }
  .topbar .topbar-contact span { display: none; }
  .hero { padding: 48px 0 64px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-stat strong { font-size: 18px; }
  .hero-stat span { font-size: 11px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .plan-price .amount { font-size: 30px; }
  .cta-section { padding: 48px 0; }
  .footer-top { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .brand-sub { display: none; }
  .brand-name { font-size: 18px; }
  .case-data { gap: 12px; flex-wrap: wrap; }
  .case-data .num { font-size: 22px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #0E6E6A;
  --color-primary-dark: #0A5350;
  --color-secondary: #D46744;
  --color-secondary-dark: #B95333;
  --color-accent-gold: #B8935A;
  --color-bg: #F8F6F2;
  --color-card: #FFFFFF;
  --color-text: #22333B;
  --color-text-secondary: #66757F;
  --color-border: #E3E8E6;
  --color-primary-soft: #E1F0F0;
  --color-secondary-soft: #FBE9E3;
  --color-footer-bg: #0A2E2B;
  --color-footer-text: #9FB4BC;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 4px rgba(14,110,106,0.06), 0 2px 12px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 24px rgba(14,110,106,0.12);
  --container-width: 1200px;
  --header-height: 76px;
  --font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ===== 容器 ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14,110,106,0.22);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(14,110,106,0.15);
}
.btn-primary:focus-visible { outline: 3px solid rgba(14,110,106,0.35); outline-offset: 2px; }
.btn-cta {
  background: var(--color-secondary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.btn-cta::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 4px;
  background: var(--color-primary);
  transition: width .3s ease;
}
.btn-cta:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(212,103,68,0.25);
}
.btn-cta:hover::after { width: 100%; }
.btn-cta:active { transform: translateY(0); }
.btn-cta:focus-visible { outline: 3px solid rgba(212,103,68,0.35); outline-offset: 2px; }
.btn-ghost {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-ghost:hover {
  background: rgba(14,110,106,0.06);
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}
.btn-ghost:active { transform: translateY(1px); }
.btn-ghost:focus-visible { outline: 3px solid rgba(14,110,106,0.25); outline-offset: 2px; }
.btn-light {
  background: #fff;
  color: var(--color-primary);
}
.btn-light:hover {
  background: var(--color-primary-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.btn-light:active { transform: translateY(0); }

/* ===== Header / 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(248,246,242,0.95);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  display: block;
}
.brand-icon::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 18px; height: 18px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--color-secondary);
}
.brand-icon span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
  z-index: 2;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--color-text); letter-spacing: 0.01em; }
.brand-sub { font-size: 11px; color: var(--color-text-secondary); letter-spacing: 0.08em; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 2px;
  line-height: 1.4;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: width .25s ease;
}
.main-nav a:hover { color: var(--color-primary); }
.main-nav a:hover::after { width: 100%; }
.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-soft);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
}
.main-nav a.active::after { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions .btn { min-height: 40px; padding: 0 22px; font-size: 14px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: pointer;
  position: relative;
  z-index: 1100;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-text);
  margin: 3px auto;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ===== Hero / 页面横幅 ===== */
.page-banner {
  position: relative;
  padding: 88px 0 72px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg);
  opacity: 0.78;
  z-index: -1;
}
.page-banner::after {
  content: '';
  position: absolute;
  width: 320px; height: 220px;
  border: 1.5px dashed rgba(14,110,106,0.25);
  border-radius: 50%;
  top: -60px; right: -80px;
  z-index: -1;
  pointer-events: none;
}
.page-banner .container { position: relative; }
.breadcrumb {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--color-border); }
.breadcrumb .current { color: var(--color-text-secondary); }
.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}
.banner-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
}
.page-banner h1 {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--color-text);
  max-width: 720px;
  margin-bottom: 16px;
}
.banner-sub {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.85;
  margin-bottom: 32px;
}
.banner-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.banner-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}
.banner-trust .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-secondary); }

/* ===== 提示条 ===== */
.tip-bar {
  background: var(--color-primary);
  color: #fff;
  padding: 14px 0;
  font-size: 14px;
}
.tip-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.tip-bar strong { font-weight: 600; color: #fff; }
.tip-bar a { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.tip-bar a:hover { color: var(--color-primary-soft); }

/* ===== 通用区块 ===== */
.section {
  padding: 88px 0;
}
.section-alt { background: var(--color-card); }
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-secondary);
  background: var(--color-secondary-soft);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}
.section-head h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== 核心卖点 ===== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 4px; height: 0;
  background: var(--color-secondary);
  transition: height .35s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,110,106,0.35);
}
.feature-card:hover::before { height: 100%; }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.feature-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--color-text); }
.feature-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.75; }

/* ===== 产业带覆盖 ===== */
.industry-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.industry-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.industry-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,110,106,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.industry-media img { width: 100%; height: 380px; object-fit: cover; }
.industry-media .media-tag {
  position: absolute;
  left: 20px; bottom: 20px;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  z-index: 2;
}
.industry-content h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
}
.industry-content > p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.85; margin-bottom: 24px; }
.industry-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.industry-tags .tag {
  display: inline-block;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.industry-tags .tag:hover {
  border-color: var(--color-primary);
  background: #fff;
}
.industry-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.industry-list li:last-child { border-bottom: none; }
.industry-list strong {
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
  min-width: 88px;
}

/* ===== 热门采购品类 ===== */
.rank-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.rank-list { display: flex; flex-direction: column; gap: 12px; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.rank-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14,110,106,0.3);
}
.rank-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-secondary);
  min-width: 40px;
  text-align: center;
  line-height: 1;
}
.rank-item:nth-child(1) .rank-num {
  color: var(--color-accent-gold);
}
.rank-body { flex: 1; }
.rank-body h4 { font-size: 16px; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.rank-body p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.6; }
.rank-badge {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.rank-side {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.rank-side::before {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1.5px dashed rgba(255,255,255,0.2);
  border-radius: 50%;
  top: -40px; right: -40px;
}
.rank-side h3 { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 14px; position: relative; }
.rank-side p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.85); position: relative; }
.rank-side .rank-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  position: relative;
}
.rank-side .rank-note::before {
  content: '→';
  font-size: 18px;
  color: var(--color-secondary);
}

/* ===== 对接流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: process;
}
.process-step {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.process-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.process-step h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.process-step p { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
.process-arrow {
  position: absolute;
  right: -16px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-secondary);
  font-size: 20px;
  font-weight: 700;
  z-index: 2;
}

/* ===== 数据统计 ===== */
.stats-section {
  background: var(--color-footer-bg);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  width: 400px; height: 300px;
  border: 1.5px dashed rgba(255,255,255,0.12);
  border-radius: 50%;
  bottom: -120px; left: -100px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
  position: relative;
}
.stat-item { padding: 20px 0; }
.stat-num {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.04em;
}
.stat-item .stat-hint {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
.stats-section .section-head .eyebrow { background: rgba(255,255,255,0.12); color: #fff; }
.stats-section .section-head h2 { color: #fff; }
.stats-section .section-head p { color: rgba(255,255,255,0.7); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.active {
  border-color: rgba(14,110,106,0.4);
  box-shadow: var(--shadow-hover);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  line-height: 1.5;
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: var(--color-primary);
  padding: 80px 0;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 300px; height: 260px;
  border: 1.5px dashed rgba(255,255,255,0.2);
  border-radius: 50%;
  top: -100px; left: -60px;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  border: 1.5px dashed rgba(255,255,255,0.12);
  border-radius: 50%;
  bottom: -80px; right: -40px;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: 64px;
}
.site-footer a { color: var(--color-footer-text); transition: color .25s ease; }
.site-footer a:hover { color: #fff; }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.footer-brand .brand-icon {
  background: var(--color-primary);
  width: 34px; height: 34px;
}
.footer-brand .brand-name { color: #fff; font-size: 18px; font-weight: 700; }
.footer-brand .brand-sub { color: rgba(255,255,255,0.55); font-size: 12px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255,255,255,0.65);
  max-width: 300px;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all .25s ease;
}
.footer-social a svg { width: 18px; height: 18px; }
.footer-social a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; }
.footer-col p {
  font-size: 14px;
  line-height: 1.8;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.footer-col p svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--color-primary); }
.footer-bottom {
  padding: 24px 0;
  font-size: 13px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.45);
}
.footer-bottom .divider { color: rgba(255,255,255,0.2); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-arrow { display: none; }
  .industry-wrap { grid-template-columns: 1fr; gap: 40px; }
  .rank-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .header-actions .btn { display: none; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 0; right: -100%;
    width: 78%;
    max-width: 360px;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 96px 32px 32px;
    box-shadow: -8px 0 30px rgba(0,0,0,0.08);
    transition: right .35s ease;
    z-index: 1050;
  }
  .main-nav.open { right: 0; }
  .main-nav a {
    width: 100%;
    font-size: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
    line-height: 1.4;
  }
  .main-nav a.active {
    background: none;
    color: var(--color-primary);
    padding: 14px 0;
  }
  .main-nav a.active::before {
    content: '';
    position: absolute;
    left: -16px; top: 14px; bottom: 14px;
    width: 4px;
    background: var(--color-secondary);
    border-radius: 0 4px 4px 0;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .container { padding-left: 16px; padding-right: 16px; }
  .page-banner { padding: 56px 0 48px; }
  .features-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .banner-actions .btn { width: 100%; justify-content: center; }
  .header-actions { gap: 8px; }
  .banner-trust { gap: 8px; font-size: 13px; }
  .industry-media img { height: 260px; }
  .rank-item { flex-wrap: wrap; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-section { padding: 56px 0; }
  .tip-bar .container { justify-content: center; text-align: center; }
}

@media (max-width: 519px) {
  .brand-sub { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* roulang page: article */
:root {
  --color-primary: #0E6E6A;
  --color-primary-dark: #0A5350;
  --color-primary-soft: #E1F0F0;
  --color-secondary: #D46744;
  --color-secondary-dark: #B95333;
  --color-secondary-soft: #FBE9E3;
  --color-accent-gold: #B8935A;
  --color-bg: #F8F6F2;
  --color-card: #FFFFFF;
  --color-text: #22333B;
  --color-text-secondary: #66757F;
  --color-border: #E3E8E6;
  --shadow-sm: 0 1px 4px rgba(14,110,106,0.06), 0 2px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(14,110,106,0.12);
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-family);
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 780px;
}

/* ---------- 按钮体系 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: none;
  line-height: 1;
  letter-spacing: 0.02em;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.share-btn:focus-visible,
.main-nav a:focus-visible {
  outline: 3px solid rgba(14,110,106,0.3);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #fff;
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-ghost:hover {
  background: rgba(14,110,106,0.06);
  transform: translateY(-2px);
  color: var(--color-primary);
}

.btn-ghost:active {
  transform: translateY(0);
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.7);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-color: #fff;
}

.btn-sm {
  min-height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

/* ---------- 导航 Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248,246,242,0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(14,110,106,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
}

.brand-icon span {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  position: relative;
  display: block;
}

.brand-icon span::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--color-secondary);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-name {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.brand-sub {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.main-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.main-nav a {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: all .2s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.main-nav a.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 600;
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.mobile-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: transparent;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: border-color .2s;
}

.nav-toggle:hover {
  border-color: var(--color-primary);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all .3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 文章头区 ---------- */
.article-hero {
  position: relative;
  padding: 48px 0 32px;
  overflow: hidden;
}

.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.07;
  pointer-events: none;
}

.article-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent-gold) 100%);
  opacity: 0.4;
  pointer-events: none;
}

.article-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb .sep {
  color: var(--color-border);
  user-select: none;
}

.breadcrumb .current {
  color: var(--color-text);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge-category {
  display: inline-block;
  background: var(--color-secondary-soft);
  color: var(--color-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.article-hero h1 {
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 20px;
  max-width: 820px;
  letter-spacing: 0.01em;
  word-break: break-word;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.article-meta .dot {
  color: var(--color-border);
  user-select: none;
}

/* ---------- 正文阅读区 ---------- */
.article-body {
  padding: 40px 0 24px;
}

.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
}

.article-content p {
  margin: 0 0 24px;
}

.article-content h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 40px 0 16px;
  line-height: 1.5;
}

.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin: 32px 0 12px;
  line-height: 1.5;
}

.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 24px 0 12px;
}

.article-content img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 28px 0;
}

.article-content a {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(14,110,106,0.4);
}

.article-content a:hover {
  color: var(--color-secondary);
  text-decoration-color: var(--color-secondary);
}

.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  background: rgba(225,240,240,0.4);
  padding: 20px;
  border-radius: 8px;
  margin: 24px 0;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin: 0 0 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content ul li::marker {
  color: var(--color-primary);
}

.article-content ol li::marker {
  color: var(--color-primary);
  font-weight: 600;
}

.article-content hr {
  border: none;
  border-top: 1px solid #EEF1EF;
  margin: 32px 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content table th,
.article-content table td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}

.article-content table th {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 600;
}

.article-content code {
  background: #F0F2F1;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
}

.article-content pre {
  background: #22333B;
  color: #F8F6F2;
  padding: 20px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.6;
}

.article-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.article-empty {
  text-align: center;
  padding: 80px 0;
}

.article-empty p {
  font-size: 18px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* ---------- 文章尾部 ---------- */
.article-footer {
  padding: 24px 0 56px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.tag {
  display: inline-block;
  padding: 6px 14px;
  background: #F0F2F1;
  color: var(--color-text-secondary);
  font-size: 13px;
  border-radius: 4px;
  transition: all .2s ease;
}

.tag:hover {
  background: var(--color-primary);
  color: #fff;
}

.share-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.share-label {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all .2s ease;
  background: #fff;
}

.share-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.share-btn svg {
  width: 18px;
  height: 18px;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

/* ---------- 延伸阅读 ---------- */
.related-section {
  padding: 64px 0 48px;
  background: linear-gradient(180deg, transparent 0%, rgba(225,240,240,0.25) 100%);
  border-top: 1px solid var(--color-border);
}

.section-head {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.section-head h2 {
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  letter-spacing: 0.01em;
}

.section-sub {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all .3s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14,110,106,0.25);
}

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform .3s ease;
}

.related-card:hover img {
  transform: scale(1.02);
}

.related-card-body {
  padding: 20px 24px 24px;
}

.related-card .badge-category {
  margin-bottom: 12px;
}

.related-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text);
  transition: color .2s;
}

.related-card:hover h3 {
  color: var(--color-primary);
}

.related-card .date {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.back-link {
  margin-top: 40px;
  text-align: center;
}

.back-link a {
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s;
}

.back-link a:hover {
  color: var(--color-secondary);
  gap: 10px;
}

/* ---------- CTA 区 ---------- */
.cta-section {
  background: var(--color-primary);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 40%, rgba(255,255,255,0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(255,255,255,0.05) 0%, transparent 30%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, transparent 0 12px, rgba(255,255,255,0.25) 12px 14px);
  opacity: 0.5;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: #fff;
  font-size: clamp(22px, 3vw, 28px);
  margin: 0 0 12px;
  font-weight: 700;
}

.cta-section p {
  color: rgba(255,255,255,0.85);
  margin: 0 0 32px;
  font-size: 15px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0A2E2B;
  color: #9FB4BC;
  padding: 64px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo .brand-icon {
  background: rgba(255,255,255,0.1);
}

.footer-logo .brand-name {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 20px;
  color: #9FB4BC;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9FB4BC;
  transition: all .2s ease;
}

.footer-social a:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: #9FB4BC;
  font-size: 14px;
  transition: color .2s;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin: 0 0 12px;
  color: #9FB4BC;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  z-index: 999;
  opacity: 0;
  transition: all .3s ease;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .main-nav a {
    padding: 10px 12px;
    font-size: 14px;
  }

  .brand-sub {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 110px 20px 40px;
    gap: 4px;
    z-index: 200;
    overflow-y: auto;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a:not(.mobile-cta) {
    font-size: 18px;
    line-height: 52px;
    padding: 0 24px;
    border-radius: 10px;
    width: 88%;
    max-width: 300px;
    text-align: center;
  }

  .main-nav a.active::after {
    bottom: 8px;
  }

  .mobile-cta {
    display: inline-flex;
    order: -1;
    width: 88%;
    max-width: 300px;
    margin-bottom: 16px;
    justify-content: center;
    min-height: 46px;
  }

  .nav-toggle {
    display: flex;
    z-index: 210;
  }

  .header-actions .btn {
    min-height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .article-hero {
    padding: 32px 0 24px;
  }

  .breadcrumb {
    margin-bottom: 20px;
    font-size: 12px;
  }

  .article-hero h1 {
    font-size: 24px;
    margin-bottom: 16px;
  }

  .article-body {
    padding: 32px 0 16px;
  }

  .article-footer {
    padding: 16px 0 40px;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav .btn {
    width: 100%;
  }

  .related-section {
    padding: 48px 0 32px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .cta-section {
    padding: 48px 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .header-actions .btn {
    display: none;
  }

  .container {
    padding: 0 16px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }
}

/* roulang page: category2 */
:root{
  --color-primary:#0E6E6A;
  --color-primary-dark:#0A5350;
  --color-secondary:#D46744;
  --color-secondary-dark:#B95333;
  --color-accent-gold:#B8935A;
  --color-bg:#F8F6F2;
  --color-card:#FFFFFF;
  --color-text:#22333B;
  --color-text-secondary:#66757F;
  --color-border:#E3E8E6;
  --color-primary-soft:#E1F0F0;
  --color-secondary-soft:#FBE9E3;
  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:6px;
  --shadow-sm:0 1px 4px rgba(14,110,106,.06),0 2px 12px rgba(0,0,0,.04);
  --shadow-md:0 8px 24px rgba(14,110,106,.12);
  --container:1200px;
  --space-section-desktop:88px;
  --space-section-tablet:72px;
  --space-section-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--color-text);
  background:var(--color-bg);
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section-desktop) 0;}
.section-head{margin-bottom:48px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--color-primary);background:var(--color-primary-soft);border-radius:999px;padding:5px 16px;margin-bottom:14px;}
.section-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;color:var(--color-text);letter-spacing:.01em;}
.section-head p.desc{color:var(--color-text-secondary);font-size:15px;max-width:640px;margin-top:10px;}
.section-head .head-link{font-size:15px;font-weight:600;color:var(--color-primary);display:inline-flex;align-items:center;gap:6px;transition:gap .25s ease;}
.section-head .head-link:hover{gap:12px;color:var(--color-secondary);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 28px;border-radius:6px;font-weight:600;font-size:15px;
  letter-spacing:.02em;transition:all .25s ease;border:1px solid transparent;gap:8px;
}
.btn:focus-visible{outline:3px solid rgba(14,110,106,.3);outline-offset:2px;}
.btn svg{width:18px;height:18px;}
.btn-primary{
  background:var(--color-primary);color:#fff;border-color:var(--color-primary);
}
.btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 6px 16px rgba(14,110,106,.25);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-secondary{
  background:var(--color-secondary);color:#fff;border-color:var(--color-secondary);
  position:relative;overflow:hidden;
}
.btn-secondary::after{
  content:"";position:absolute;left:0;bottom:0;height:4px;width:0;
  background:var(--color-primary);transition:width .35s ease;border-radius:2px;
}
.btn-secondary:hover{background:var(--color-secondary-dark);border-color:var(--color-secondary-dark);transform:translateY(-2px);box-shadow:0 6px 16px rgba(212,103,68,.25);}
.btn-secondary:hover::after{width:100%;}
.btn-secondary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--color-primary);border-color:var(--color-primary);
}
.btn-ghost:hover{background:rgba(14,110,106,.06);}
.btn-ghost:active{background:rgba(14,110,106,.12);}
.btn-white{
  background:#fff;color:var(--color-primary);border-color:#fff;
}
.btn-white:hover{background:var(--color-primary-soft);border-color:var(--color-primary-soft);transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.15);}
.btn-white:active{transform:translateY(0);}
.btn-block{width:100%;}
.btn-lg{min-height:52px;padding:0 38px;font-size:16px;}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(248,246,242,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--color-border);
  transition:background .3s ease,box-shadow .3s ease;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-icon{width:42px;height:42px;border-radius:50%;background:var(--color-primary-soft);display:flex;align-items:center;justify-content:center;border:1px solid rgba(14,110,106,.15);}
.brand-icon svg{width:28px;height:28px;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:18px;font-weight:700;color:var(--color-text);letter-spacing:.03em;}
.brand-sub{font-size:11px;color:var(--color-text-secondary);letter-spacing:.05em;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  padding:9px 18px;border-radius:var(--radius-sm);font-weight:500;font-size:15px;
  color:var(--color-text);position:relative;transition:all .25s ease;white-space:nowrap;
}
.main-nav a:hover{background:var(--color-primary-soft);color:var(--color-primary);}
.main-nav a.active{
  background:var(--color-primary-soft);color:var(--color-primary);font-weight:600;
}
.main-nav a.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:2px;height:2px;
  background:var(--color-primary);border-radius:2px;
}
.header-cta{flex-shrink:0;}
.header-cta .btn{min-height:42px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--color-border);
  background:var(--color-card);border-radius:var(--radius-sm);align-items:center;
  justify-content:center;transition:all .25s ease;
}
.nav-toggle:hover{border-color:var(--color-primary);color:var(--color-primary);}
.nav-toggle svg{width:22px;height:22px;}

/* Mobile Drawer */
.mobile-drawer{
  position:fixed;inset:0;background:var(--color-bg);z-index:200;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:24px;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-header .brand-name{font-size:20px;font-weight:700;color:var(--color-primary);}
.drawer-close{width:42px;height:42px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-card);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--color-text);}
.drawer-close:hover{border-color:var(--color-secondary);color:var(--color-secondary);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  font-size:18px;font-weight:500;color:var(--color-text);padding:12px 16px;
  border-radius:var(--radius-sm);transition:all .2s ease;
}
.drawer-nav a:hover{background:var(--color-primary-soft);color:var(--color-primary);}
.drawer-nav a.active{background:var(--color-primary-soft);color:var(--color-primary);font-weight:600;}
.drawer-cta{margin-top:auto;padding-top:32px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{min-height:48px;font-size:16px;}

/* Hero */
.hero{
  position:relative;
  background:linear-gradient(135deg,rgba(14,110,106,.08),rgba(14,110,106,.02)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:88px 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(248,246,242,.94) 0%,rgba(248,246,242,.82) 50%,rgba(248,246,242,.35) 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-secondary);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--color-primary);font-weight:500;transition:color .2s;}
.breadcrumb a:hover{color:var(--color-secondary);}
.breadcrumb span{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb .sep{color:var(--color-border);font-size:12px;}
.hero h1{
  font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.3;
  color:var(--color-text);letter-spacing:.01em;margin-bottom:20px;
}
.hero h1 .accent{color:var(--color-primary);}
.hero-sub{
  font-size:17px;color:var(--color-text-secondary);line-height:1.8;
  max-width:540px;margin-bottom:32px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:18px 28px;font-size:14px;color:var(--color-text-secondary);
  padding-top:22px;border-top:1px solid var(--color-border);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--color-secondary);flex-shrink:0;}
.hero-visual{position:relative;}
.hero-visual img{
  border-radius:18px;box-shadow:var(--shadow-md);width:100%;height:auto;
  position:relative;z-index:2;
}
.hero-visual::before{
  content:"";position:absolute;top:-14px;right:-14px;width:70%;height:70%;
  border:2px solid var(--color-primary);border-radius:18px;opacity:.3;z-index:1;
}
.hero-visual::after{
  content:"";position:absolute;bottom:-10px;left:-10px;width:55%;height:55%;
  background:var(--color-primary);opacity:.08;border-radius:14px;z-index:0;
}

/* Feature Blocks */
.feature-blocks{display:flex;flex-direction:column;gap:64px;}
.feature-block{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.feature-block.reverse .feature-image{order:2;}
.feature-block.reverse .feature-text{order:1;}
.feature-image{position:relative;}
.feature-image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);}
.feature-image::after{
  content:"";position:absolute;bottom:-12px;left:-12px;width:50%;height:50%;
  background:var(--color-secondary);opacity:.08;border-radius:12px;z-index:-1;
}
.feature-text .step-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--color-secondary);background:var(--color-secondary-soft);
  padding:4px 14px;border-radius:999px;margin-bottom:16px;
}
.feature-text h3{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:16px;color:var(--color-text);}
.feature-text p{font-size:16px;color:var(--color-text-secondary);line-height:1.8;margin-bottom:12px;}
.feature-text .feature-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.feature-text .feature-list li{
  display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--color-text-secondary);
}
.feature-text .feature-list li svg{
  width:18px;height:18px;flex-shrink:0;color:var(--color-primary);margin-top:4px;
}

/* Advantages */
.advantages{
  background:var(--color-card);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.advantage-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.advantage-card{
  background:var(--color-bg);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:32px 28px;transition:all .3s ease;
  position:relative;
}
.advantage-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-sm);
  border-color:rgba(14,110,106,.25);
}
.advantage-card .icon{
  width:48px;height:48px;border-radius:12px;background:var(--color-primary-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.advantage-card .icon svg{width:24px;height:24px;stroke:var(--color-primary);}
.advantage-card h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--color-text);}
.advantage-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.7;}
.advantage-card .stat{
  margin-top:16px;font-size:22px;font-weight:700;color:var(--color-primary);
}

/* Scenarios */
.scenario-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scenario-card{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:32px 28px;transition:all .3s ease;
}
.scenario-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-sm);
  border-color:rgba(14,110,106,.25);
}
.scenario-card .num{
  font-size:28px;font-weight:700;color:var(--color-secondary);margin-bottom:14px;
  display:block;line-height:1;
}
.scenario-card h3{font-size:18px;font-weight:600;margin-bottom:10px;color:var(--color-text);}
.scenario-card p{font-size:14px;color:var(--color-text-secondary);line-height:1.75;}
.scenario-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.scenario-card .tag{
  font-size:12px;color:var(--color-primary);background:var(--color-primary-soft);
  padding:3px 10px;border-radius:999px;font-weight:500;
}

/* Process */
.process{
  background:var(--color-card);
  border-top:1px solid var(--color-border);
  border-bottom:1px solid var(--color-border);
}
.process-steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;counter-reset:step;
}
.process-step{
  position:relative;padding:28px 24px;background:var(--color-bg);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);
  transition:all .3s ease;
}
.process-step:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-sm);
  border-color:rgba(14,110,106,.25);
}
.process-step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:26px;font-weight:700;color:var(--color-secondary);
  display:block;margin-bottom:12px;line-height:1;
}
.process-step h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--color-text);}
.process-step p{font-size:14px;color:var(--color-text-secondary);line-height:1.7;}
.process-arrow{
  position:absolute;top:50%;right:-28px;transform:translateY(-50%);
  color:var(--color-primary);opacity:.4;width:20px;height:20px;z-index:2;
}
@media(max-width:1023px){
  .process-arrow{display:none;}
}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--color-card);border:1px solid var(--color-border);
  border-radius:var(--radius-md);padding:20px 24px;margin-bottom:12px;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item.open{border-color:rgba(14,110,106,.35);box-shadow:var(--shadow-sm);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  cursor:pointer;font-size:16px;font-weight:600;color:var(--color-text);
  list-style:none;user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--color-primary);}
.faq-item summary .icon{
  width:28px;height:28px;border-radius:50%;background:var(--color-primary-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .25s ease,background .25s ease;
}
.faq-item summary .icon svg{width:14px;height:14px;stroke:var(--color-primary);}
.faq-item[open] summary .icon{transform:rotate(45deg);background:var(--color-secondary-soft);}
.faq-item[open] summary .icon svg{stroke:var(--color-secondary);}
.faq-answer{
  padding-top:14px;margin-top:12px;border-top:1px solid var(--color-border);
  font-size:14px;color:var(--color-text-secondary);line-height:1.8;
}

/* CTA Section */
.cta-section{
  position:relative;background:var(--color-primary);
  padding:var(--space-section-desktop) 0;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--color-primary-soft);opacity:.4;
}
.cta-section::after{
  content:"";position:absolute;bottom:-40px;right:-20px;width:300px;height:300px;
  border-radius:50%;border:2px dashed rgba(255,255,255,.15);pointer-events:none;
}
.cta-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  position:relative;z-index:2;
}
.cta-text h2{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:#fff;line-height:1.35;margin-bottom:16px;
}
.cta-text p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;margin-bottom:24px;}
.cta-contacts{display:flex;flex-direction:column;gap:10px;}
.cta-contacts span{
  display:inline-flex;align-items:center;gap:10px;color:rgba(255,255,255,.9);font-size:15px;
}
.cta-contacts svg{width:18px;height:18px;opacity:.8;}
.cta-form{
  background:var(--color-card);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:18px;
}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group label{font-size:14px;font-weight:600;color:var(--color-text);}
.form-group input,.form-group textarea{
  border:1px solid var(--color-border);border-radius:var(--radius-md);
  padding:0 16px;height:44px;background:var(--color-bg);transition:border-color .25s ease,box-shadow .25s ease;
  color:var(--color-text);font-size:14px;width:100%;
}
.form-group textarea{height:auto;padding:12px 16px;min-height:80px;resize:vertical;}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(14,110,106,.15);
}
.cta-form .btn{margin-top:4px;}

/* Footer */
.site-footer{background:#0A2E2B;color:#fff;padding-top:64px;}
.footer-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px;
}
.footer-brand .footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-logo .brand-icon{
  width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.15);
}
.footer-logo .brand-icon svg{width:26px;height:26px;}
.footer-logo .brand-text{display:flex;flex-direction:column;line-height:1.2;}
.footer-logo .brand-name{font-size:18px;font-weight:700;color:#fff;letter-spacing:.03em;}
.footer-logo .brand-sub{font-size:12px;color:#9FB4BC;letter-spacing:.05em;}
.footer-brand p{
  font-size:14px;color:#9FB4BC;line-height:1.8;margin-bottom:24px;max-width:360px;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;color:#9FB4BC;transition:all .25s ease;
}
.footer-social a svg{width:16px;height:16px;}
.footer-social a:hover{border-color:var(--color-primary);color:#fff;background:var(--color-primary);}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;letter-spacing:.04em;
  margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;
  background:var(--color-primary);border-radius:2px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;color:#9FB4BC;transition:color .25s ease,padding-left .25s ease;
  display:inline-block;
}
.footer-col ul a:hover{color:#fff;padding-left:6px;}
.footer-contact p{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#9FB4BC;margin-bottom:10px;
}
.footer-contact p svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--color-primary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13px;color:#9FB4BC;
}
.footer-bottom a{color:#9FB4BC;transition:color .25s;}
.footer-bottom a:hover{color:#fff;}
.footer-bottom .sep{opacity:.4;margin:0 8px;}

/* Responsive */
@media(max-width:1023px){
  .hero{padding:64px 0 56px;}
  .hero-inner{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-visual img{border-radius:14px;}
  .feature-block{grid-template-columns:1fr;gap:40px;}
  .feature-block.reverse .feature-image{order:1;}
  .feature-block.reverse .feature-text{order:2;}
  .scenario-list{grid-template-columns:1fr 1fr;}
  .process-steps{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:767px){
  .section{padding:var(--space-section-mobile) 0;}
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:48px 0 40px;}
  .hero-inner{grid-template-columns:1fr;gap:24px;}
  .hero-visual{display:none;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{flex-direction:column;gap:8px;font-size:13px;}
  .advantage-grid{grid-template-columns:1fr;gap:16px;}
  .scenario-list{grid-template-columns:1fr;gap:16px;}
  .process-steps{grid-template-columns:1fr;gap:16px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-form{padding:24px 20px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .header-inner{height:64px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .section-head h2{font-size:24px;}
  .section-head p.desc{font-size:14px;}
  .feature-text h3{font-size:20px;}
  .faq-item{padding:16px 18px;}
  .faq-item summary{font-size:15px;}
}