/* =========================================================
   鸳江骑楼 · 鸳鸯双色波主题
   母题：骑楼拱券 · 鸳鸯双色波（桂江碧 × 西江金）
   主色 #177E89 / 辅色 #C8862D / 深底 #0E3540 / 底 #F7FAFA
   边角语言：0px 直角（骑楼建筑方正感）
   ========================================================= */

:root {
  --brand: #177E89;
  --brand-deep: #0E5560;
  --brand-ghost: rgba(23, 126, 137, .08);
  --accent: #C8862D;
  --accent-deep: #A26C1E;
  --accent-soft: #F6EBD5;
  --river-night: #0E3540;
  --river-night-2: #123F4C;
  --bg: #F7FAFA;
  --surface: #FFFFFF;
  --ink: #17444C;
  --text: #17444C;
  --text-soft: #3E6068;
  --text-light: #64748b;
  --text-faint: #94a3b8;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --border: #94a3b8;
  --radius: 0;
  --shadow-sm: 0 1px 3px rgba(14, 53, 64, .08);
  --shadow-md: 0 8px 24px rgba(14, 53, 64, .12);
  --shadow-lg: 0 16px 40px rgba(14, 53, 64, .16);
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ===== 基础 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-deep); }
ul { list-style: none; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section--tint { background: var(--surface); }
.section--night { background: var(--river-night); color: #fff; }
.section--night a { color: rgba(255,255,255,.85); }
.section--night svg { color: #fff; }

/* ===== 母题：骑楼拱券 / 鸳鸯双色波 ===== */
.arch-line { stroke: currentColor; fill: none; stroke-width: 2.5; }
.dual-wave { display: block; width: 100%; height: 70px; }
.dual-wave--top { margin-top: -69px; position: relative; z-index: 2; }
.dual-wave--flip { transform: scaleY(-1); }
@keyframes wave-drift {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-120px); }
}
.dual-wave__drift { animation: wave-drift 9s linear infinite; }

/* 拱形卡：顶部拱券轮廓（口碑墙 / 拼贴卡通用） */
.arch-card { position: relative; background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--brand); }
.arch-card::before {
  content: "";
  position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  width: 84px; height: 34px;
  background:
    radial-gradient(circle at 50% 34px, transparent 0, transparent 32px, var(--brand) 32.5px, var(--brand) 34px, transparent 34.5px);
  pointer-events: none;
}

/* ===== 毛玻璃吸顶导航（变体 D）===== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(14, 53, 64, .66);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  transition: background .3s, box-shadow .3s;
}
.site-nav.is-scrolled {
  background: rgba(14, 53, 64, .92);
  box-shadow: 0 4px 18px rgba(14, 53, 64, .25);
}
.nav__inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 68px; display: flex; align-items: center; gap: 32px; }
.nav__logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 20px; font-weight: 700; flex-shrink: 0; }
.nav__logo:hover { color: #fff; }
.nav__logo-badge {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--brand) 0 50%, var(--accent) 50% 100%);
  color: #fff; font-size: 18px; font-weight: 700;
}
.nav__menu { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav__item { position: relative; }
.nav__link {
  display: flex; align-items: center; gap: 5px;
  color: rgba(255, 255, 255, .88); font-size: 15px;
  padding: 10px 14px; position: relative;
  text-decoration: none;
}
.nav__link:hover, .nav__link.is-active { color: #fff; }
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: linear-gradient(90deg, var(--brand) 0 50%, var(--accent) 50% 100%);
  transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__caret { width: 10px; height: 6px; flex-shrink: 0; opacity: .8; transition: transform .25s; }
.nav__item:hover .nav__caret { transform: rotate(180deg); }
.nav__drop {
  position: absolute; top: 100%; left: 0; min-width: 200px;
  background: rgba(14, 53, 64, .95);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.nav__item:hover .nav__drop, .nav__item:focus-within .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop a {
  display: block; padding: 10px 18px; font-size: 14px;
  color: rgba(255, 255, 255, .82); white-space: nowrap;
}
.nav__drop a:hover { color: #fff; background: rgba(23, 126, 137, .35); padding-left: 24px; }
.nav__burger { display: none; background: none; border: 1px solid rgba(255,255,255,.35); color: #fff; width: 42px; height: 42px; cursor: pointer; align-items: center; justify-content: center; }
.nav__burger svg { display: block; }

/* 移动端抽屉 */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 300px; max-width: 84vw; z-index: 1200;
  background: var(--river-night); color: #fff;
  transform: translateX(100%); transition: transform .3s ease;
  padding: 24px; overflow-y: auto;
  scrollbar-width: none; -ms-overflow-style: none;
}
.drawer::-webkit-scrollbar { display: none; }
.drawer.is-open { transform: translateX(0); }
.drawer__mask {
  position: fixed; inset: 0; background: rgba(10, 30, 36, .55); z-index: 1100;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.drawer__mask.is-open { opacity: 1; visibility: visible; }
.drawer__close { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; width: 38px; height: 38px; font-size: 20px; cursor: pointer; }
.drawer a { display: block; padding: 13px 4px; color: rgba(255,255,255,.88); border-bottom: 1px solid rgba(255,255,255,.1); font-size: 15px; }
.drawer a:hover { color: #fff; padding-left: 10px; }
.drawer__group { font-size: 12px; color: var(--accent); letter-spacing: 2px; padding: 18px 4px 6px; }

/* ===== Hero：不对称拼贴（变体 G）===== */
.hero { padding-top: 68px; }
.hero-slides { display: grid; }
.hero-slide {
  grid-area: 1 / 1;
  opacity: 0; visibility: hidden; transition: opacity .8s ease, visibility .8s;
  background: var(--river-night);
  overflow: hidden;
}
.hero-slide.is-current { opacity: 1; visibility: visible; }
html.no-js .hero-slide:first-child { opacity: 1; visibility: visible; }
.hero-slide__inner {
  max-width: 1200px; margin: 0 auto; padding: 72px 24px 96px;
  display: flex; flex-direction: column; align-items: flex-start; position: relative; min-height: 460px;
}
.hero__kicker {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--accent); font-size: 14px; letter-spacing: 4px; font-weight: 600; margin-bottom: 18px;
}
.hero__kicker::before { content: ""; width: 36px; height: 2px; background: var(--accent); }
.hero__title { color: #fff; font-size: 44px; line-height: 1.25; font-weight: 800; max-width: 640px; margin-bottom: 16px; }
.hero__title em { font-style: normal; color: var(--accent); }
.hero__sub { color: rgba(255, 255, 255, .78); font-size: 17px; max-width: 560px; margin-bottom: 34px; }
.hero__btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* 不对称拼贴图形：右侧错位拱形卡阵（每屏 3 块，色位不同） */
.hero__collage { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 380px; height: 320px; pointer-events: none; }
.hero__tile { position: absolute; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.05); }
.hero__tile--a { left: 0; top: 0; width: 200px; height: 240px; border-top: 3px solid var(--brand); }
.hero__tile--b { left: 150px; top: 60px; width: 190px; height: 150px; border-top: 3px solid var(--accent); }
.hero__tile--c { left: 70px; top: 210px; width: 230px; height: 96px; border-top: 3px solid rgba(255,255,255,.4); }
.hero__tile svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__num {
  position: absolute; color: rgba(255,255,255,.9); font-weight: 800;
}
@keyframes hero-tile-breathe {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
.hero__tile--a { animation: hero-tile-breathe 6s ease-in-out infinite; }
.hero__tile--b { animation: hero-tile-breathe 7s ease-in-out 1.2s infinite; }
.hero__tile--c { animation: hero-tile-breathe 8s ease-in-out 2.4s infinite; }

.hero__dots { position: absolute; left: 50%; transform: translateX(-50%); bottom: 26px; display: flex; gap: 10px; z-index: 5; }
.hero__dot { width: 34px; height: 4px; background: rgba(255,255,255,.28); border: none; cursor: pointer; padding: 0; transition: background .3s; }
.hero__dot.is-current { background: linear-gradient(90deg, var(--brand) 0 50%, var(--accent) 50% 100%); }
.hero__arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.3); background: rgba(14,53,64,.4);
  color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .25s;
}
.hero__arrow:hover { background: var(--brand); }
.hero__arrow--prev { left: 20px; }
.hero__arrow--next { right: 20px; }
html.no-js .hero__dots, html.no-js .hero__arrow { display: none; }

/* ===== 按钮：光斑滑过 + 箭头位移 ===== */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 34px; font-size: 16px; font-weight: 600;
  overflow: hidden; transition: transform .25s, box-shadow .25s, background .25s, color .25s;
}
.btn svg { transition: transform .25s; }
.btn:hover svg { transform: translateX(5px); }
.btn::before {
  content: ""; position: absolute; top: 0; left: -80%; width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .55s ease;
}
.btn:hover::before { left: 130%; }
.btn--brand { background: var(--brand); color: #fff; }
.btn--brand:hover { background: var(--brand-deep); color: #fff; box-shadow: var(--shadow-md); }
.btn--gold { background: var(--accent); color: #fff; }
.btn--gold:hover { background: var(--accent-deep); color: #fff; box-shadow: var(--shadow-md); }
.btn--ghost { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn--line { border: 1px solid var(--brand); color: var(--brand); }
.btn--line:hover { background: var(--brand); color: #fff; }

/* ===== 标题（变体 D：左对齐 + 右侧辅助说明基线对齐）===== */
.sec-head { display: flex; align-items: baseline; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.sec-head__title { font-size: 32px; font-weight: 800; color: var(--ink); line-height: 1.3; }
.section--night .sec-head__title { color: #fff; }
.sec-head__title .sec-head__cn { position: relative; }
.sec-head__title .sec-head__cn::after {
  content: ""; display: block; width: 46px; height: 4px; margin-top: 10px;
  background: linear-gradient(90deg, var(--brand) 0 50%, var(--accent) 50% 100%);
}
.sec-head__aside { font-size: 14px; color: var(--text-light); flex: 1; min-width: 220px; }
.section--night .sec-head__aside { color: rgba(255,255,255,.62); }

/* ===== 业务卡：横排 01-04 大数字卡（变体 C）===== */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.biz-card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  padding: 30px 24px 26px; overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--brand); }
.biz-card__num {
  font-size: 52px; font-weight: 800; line-height: 1; color: transparent;
  -webkit-text-stroke: 1.5px var(--gray-light);
  margin-bottom: 16px; transition: -webkit-text-stroke-color .3s;
}
.biz-card:nth-child(odd) .biz-card__num { -webkit-text-stroke-color: rgba(23,126,137,.35); }
.biz-card:nth-child(even) .biz-card__num { -webkit-text-stroke-color: rgba(200,134,45,.4); }
.biz-card:hover .biz-card__num { -webkit-text-stroke-color: var(--brand); }
.biz-card:nth-child(even):hover .biz-card__num { -webkit-text-stroke-color: var(--accent); }
.biz-card__icon { width: 46px; height: 46px; color: var(--brand); margin-bottom: 14px; transition: transform .35s; }
.biz-card:nth-child(even) .biz-card__icon { color: var(--accent); }
.biz-card:hover .biz-card__icon { transform: scale(1.12) rotate(-6deg); }
.biz-card__title { font-size: 19px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.biz-card__desc { font-size: 14px; color: var(--text-light); margin-bottom: 16px; min-height: 72px; }
.biz-card__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.biz-card__chips a {
  font-size: 12px; color: var(--text-soft); background: var(--bg);
  border: 1px solid var(--border); padding: 3px 10px;
  transition: background .2s, color .2s, border-color .2s;
}
.biz-card__chips a:hover { background: var(--brand); border-color: var(--brand); color: #fff; }
.biz-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--brand); margin-top: 16px; }
.biz-card__more svg { transition: transform .25s; }
.biz-card:hover .biz-card__more svg { transform: translateX(4px); }

/* ===== 鸳鸯江双色能力带（新增板块）===== */
.dual-band { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.dual-band__col { padding: 56px 48px; position: relative; overflow: hidden; }
.dual-band__col--river { background: var(--brand); color: #fff; }
.dual-band__col--gold { background: var(--accent); color: #fff; }
.dual-band__col svg.dual-band__bg { position: absolute; right: -20px; bottom: -10px; width: 220px; height: 220px; opacity: .16; color: #fff; }
.dual-band__tag { font-size: 13px; letter-spacing: 3px; opacity: .85; margin-bottom: 12px; display: inline-block; border: 1px solid rgba(255,255,255,.5); padding: 3px 12px; }
.dual-band__title { font-size: 26px; font-weight: 800; margin-bottom: 18px; }
.dual-band__list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0; border-bottom: 1px dashed rgba(255,255,255,.35); font-size: 15px;
}
.dual-band__list li:last-child { border-bottom: none; }
.dual-band__list svg { flex-shrink: 0; margin-top: 4px; }
@keyframes band-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-12px) rotate(3deg); }
}
.dual-band__col--river svg.dual-band__bg { animation: band-float 8s ease-in-out infinite; }
.dual-band__col--gold svg.dual-band__bg { animation: band-float 9s ease-in-out 1.5s infinite; }

/* ===== 信任条：数字+图标组合（变体 C）===== */
.stats-band { background: var(--river-night); color: #fff; padding: 56px 0; position: relative; overflow: hidden; }
.stats-band__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
.stat-item { display: flex; align-items: center; gap: 16px; transition: transform .3s; }
.stat-item:hover { transform: translateY(-6px); }
.stat-item__icon { width: 52px; height: 52px; flex-shrink: 0; color: var(--accent); border: 1px solid rgba(255,255,255,.25); display: flex; align-items: center; justify-content: center; }
.stat-num { font-size: 34px; font-weight: 800; color: #fff !important; text-shadow: 0 1px 0 rgba(0,0,0,.25); line-height: 1.15; }
.stat-item__label { font-size: 14px; color: rgba(255,255,255,.66); }
.stats-band__wave { position: absolute; left: 0; right: 0; bottom: -6px; width: 100%; height: 54px; color: rgba(255,255,255,.07); }

/* ===== 资讯：左大图 + 右 2 列列表（变体 B）===== */
.news-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 28px; }
.news-lead {
  position: relative; display: block; background: var(--surface); border: 1px solid var(--border);
  overflow: hidden; transition: transform .3s, box-shadow .3s;
}
.news-lead:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.news-lead__media { height: 250px; background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.news-lead__media svg { width: 120px; height: 120px; color: rgba(255,255,255,.5); transition: transform .4s; }
.news-lead:hover .news-lead__media svg { transform: scale(1.1) rotate(-3deg); }
.news-lead__body { padding: 24px; }
.news-lead__date { font-size: 12px; color: var(--accent); letter-spacing: 1px; margin-bottom: 8px; }
.news-lead__title { font-size: 20px; font-weight: 700; color: var(--ink); line-height: 1.5; margin-bottom: 10px; }
.news-lead__desc { font-size: 14px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-content: start; }
.news-item {
  display: block; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--border);
  padding: 16px 18px; transition: transform .25s, box-shadow .25s, border-left-color .25s;
}
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-left-color: var(--accent); }
.news-item__date { font-size: 12px; color: var(--text-faint); margin-bottom: 6px; }
.news-item__title {
  font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-item:hover .news-item__title { color: var(--brand); }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; color: var(--text-light); background: var(--surface); border: 1px dashed var(--border); }

/* ===== 流程：大数字卡（变体 C）===== */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flow-step {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  padding: 40px 24px 30px; text-align: left; transition: transform .3s, box-shadow .3s;
}
.flow-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.flow-step__num {
  position: absolute; top: -22px; left: 22px;
  width: 56px; height: 56px; background: var(--river-night); color: #fff;
  font-size: 24px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  transition: background .3s, transform .3s;
}
.flow-step:hover .flow-step__num { background: var(--brand); transform: scale(1.08); }
.flow-step__num::after {
  content: ""; position: absolute; left: 50%; bottom: -14px; transform: translateX(-50%);
  width: 2px; height: 12px; background: var(--accent);
}
.flow-step__title { font-size: 18px; font-weight: 700; color: var(--ink); margin: 14px 0 10px; }
.flow-step__desc { font-size: 14px; color: var(--text-light); }
@keyframes node-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 134, 45, .45); }
  70%  { box-shadow: 0 0 0 14px rgba(200, 134, 45, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 134, 45, 0); }
}
.flow-step__num { animation: node-pulse 2.6s ease-out infinite; }
.flow-step:hover .flow-step__num { animation-play-state: paused; }

/* ===== 骑楼口碑墙（新增板块，拱形卡）===== */
.word-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.word-card { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--brand); position: relative; padding: 52px 24px 26px; }
.word-card::before {
  content: ""; position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  width: 84px; height: 34px;
  background: radial-gradient(circle at 50% 34px, transparent 0, transparent 32px, var(--brand) 32.5px, var(--brand) 34px, transparent 34.5px);
  pointer-events: none;
}
.word-card:nth-child(even) { border-top-color: var(--accent); }
.word-card:nth-child(even)::before {
  background: radial-gradient(circle at 50% 34px, transparent 0, transparent 32px, var(--accent) 32.5px, var(--accent) 34px, transparent 34.5px);
}
.word-card__quote-mark { font-size: 40px; line-height: 1; color: var(--brand-ghost); font-weight: 800; position: absolute; top: 30px; right: 20px; color: rgba(23,126,137,.14); }
.word-card__text { font-size: 14px; color: var(--text-soft); margin-bottom: 18px; min-height: 90px; }
.word-card__meta { border-top: 1px dashed var(--border); padding-top: 14px; display: flex; align-items: center; gap: 12px; }
.word-card__avatar { width: 42px; height: 42px; background: var(--river-night); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.word-card__name { font-size: 14px; font-weight: 700; color: var(--ink); }
.word-card__firm { font-size: 12px; color: var(--text-faint); }

/* ===== CTA：数字背书式（变体 C）===== */
.cta-block { position: relative; overflow: hidden; background: var(--river-night); color: #fff; padding: 72px 0; }
.cta-block__inner { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; position: relative; z-index: 2; }
.cta-block__num { font-size: 76px; font-weight: 800; line-height: 1; color: var(--accent); flex-shrink: 0; }
.cta-block__num small { display: block; font-size: 15px; font-weight: 500; color: rgba(255,255,255,.66); margin-top: 8px; letter-spacing: 2px; }
.cta-block__text { flex: 1; min-width: 260px; }
.cta-block__title { font-size: 28px; font-weight: 800; margin-bottom: 10px; color: #fff; }
.cta-block__desc { font-size: 15px; color: rgba(255,255,255,.72); }
@keyframes cta-breathe {
  0%, 100% { opacity: .5; transform: scale(1); }
  50%      { opacity: .8; transform: scale(1.06); }
}
.cta-block__ring { position: absolute; border: 1px solid rgba(200,134,45,.35); border-radius: 50%; animation: cta-breathe 6s ease-in-out infinite; }
.cta-block__ring--a { width: 300px; height: 300px; right: -80px; top: -100px; }
.cta-block__ring--b { width: 200px; height: 200px; right: 120px; bottom: -80px; animation-delay: 1.8s; }

/* CTA hero 按钮组（第一处） */
.cta-mini { text-align: center; padding: 0 0 80px; }

/* ===== 页面头（内页通用，深色 + 拱形纹理 + 波浪下沿）===== */
.page-hero { background: var(--river-night); color: #fff; padding: 130px 0 70px; position: relative; overflow: hidden; }
.page-hero__title { font-size: 34px; font-weight: 800; color: #fff; position: relative; z-index: 2; }
.page-hero__crumb { position: relative; z-index: 2; margin-top: 12px; font-size: 13px; color: rgba(255,255,255,.66); }
.page-hero__crumb a { color: rgba(255,255,255,.82); }
.page-hero__crumb a:hover { color: #fff; }
.page-hero__arch { position: absolute; right: 4%; bottom: -8px; width: 300px; height: 210px; color: rgba(255,255,255,.1); z-index: 1; }

/* ===== 面包屑 ===== */
.crumb { font-size: 13px; color: var(--text-light); padding: 18px 0 0; }
.crumb a { color: var(--text-soft); }
.crumb a:hover { color: var(--brand); }

/* ===== 文章卡片网格（列表/搜索/标签）===== */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.post-card { background: var(--surface); border: 1px solid var(--border); padding: 22px; transition: transform .25s, box-shadow .25s, border-color .25s; display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand); }
.post-card__meta { font-size: 12px; color: var(--text-faint); margin-bottom: 10px; display: flex; gap: 12px; flex-wrap: wrap; }
.post-card__title { font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.5; margin-bottom: 10px; }
.post-card:hover .post-card__title { color: var(--brand); }
.post-card__desc { font-size: 14px; color: var(--text-light); flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__more { margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }

/* ===== 分页 ===== */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-soft); font-size: 14px;
}
.pager span.pager--current { background: var(--brand); border-color: var(--brand); color: #fff; font-weight: 700; }
.pager a:hover { border-color: var(--brand); color: var(--brand); }

/* ===== 侧栏 ===== */
.with-side { display: grid; grid-template-columns: 1fr 320px; gap: 36px; align-items: start; }
.side-panel { background: var(--surface); border: 1px solid var(--border); padding: 24px; margin-bottom: 24px; }
.side-panel__title { font-size: 16px; font-weight: 700; color: var(--ink); padding-bottom: 12px; margin-bottom: 14px; border-bottom: 2px solid var(--brand); position: relative; }
.side-panel__title::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 56px; height: 2px; background: var(--accent); }
.side-panel ul li a { display: block; padding: 9px 0; font-size: 14px; color: var(--text-soft); border-bottom: 1px dashed var(--border); }
.side-panel ul li:last-child a { border-bottom: none; }
.side-panel ul li a:hover { color: var(--brand); padding-left: 6px; }
.side-panel.is-active { color: var(--brand); font-weight: 600; }
.side-cta { background: var(--river-night); color: #fff; padding: 26px 22px; }
.side-cta__title { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.side-cta p { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 16px; }
.side-cta .btn { width: 100%; justify-content: center; }

/* ===== 详情页 ===== */
.detail__meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-light); margin: 14px 0 26px; flex-wrap: wrap; }
.detail__content { font-size: 16px; line-height: 1.9; color: var(--text); }
.detail__content h2, .detail__content h3 { color: var(--ink); margin: 28px 0 14px; }
.detail__content p { margin-bottom: 16px; }
.detail__content table, .page-content table { display: block; max-width: 100%; overflow-x: auto; width: 100%; border-collapse: collapse; }
.detail__content img, .page-content img { max-width: 100%; height: auto; }
.detail__content pre, .page-content pre { overflow-x: auto; background: var(--river-night); color: #d7e7ea; padding: 16px; margin: 16px 0; }
.detail__content, .page-content { overflow-wrap: break-word; }
.detail__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 32px 0; min-width: 0; }
.detail__nav-cell { display: block; min-width: 0; padding: 16px; border: 1px solid var(--border); background: var(--surface); transition: border-color .25s, box-shadow .25s; }
.detail__nav-cell:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.detail__nav-label { font-size: 12px; color: var(--text-faint); margin-bottom: 6px; }
.detail__nav-title { font-size: 14px; color: var(--ink); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* ===== 案例卡 ===== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.case-card { background: var(--surface); border: 1px solid var(--border); overflow: hidden; transition: transform .3s, box-shadow .3s; display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-card__media { height: 170px; background: linear-gradient(135deg, var(--brand-deep), var(--river-night)); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.case-card__media svg { width: 84px; height: 84px; color: rgba(255,255,255,.55); transition: transform .4s; }
.case-card:hover .case-card__media svg { transform: scale(1.12); }
.case-card__body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.case-card__tags { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.case-card__tag { font-size: 11px; color: var(--brand); background: var(--brand-ghost); padding: 2px 8px; }
.case-card__title { font-size: 17px; font-weight: 700; color: var(--ink); line-height: 1.5; }
.case-card:hover .case-card__title { color: var(--brand); }
.case-card__sub { font-size: 13px; color: var(--text-light); margin-top: 8px; flex: 1; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.filter-bar a { padding: 8px 18px; border: 1px solid var(--border); background: var(--surface); font-size: 14px; color: var(--text-soft); }
.filter-bar a:hover, .filter-bar a.is-current { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ===== 业务 chips / 能力标签 ===== */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.chip { font-size: 13px; color: var(--text-soft); background: var(--bg); border: 1px solid var(--border); padding: 5px 14px; transition: background .2s, color .2s, border-color .2s; }
.chip:hover { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ===== about 双栏 / 通用单页 ===== */
.prose { background: var(--surface); border: 1px solid var(--border); padding: 40px; }
.prose h2 { font-size: 22px; color: var(--ink); margin: 26px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin-bottom: 14px; color: var(--text-soft); font-size: 15px; }

/* ===== contact 表单 ===== */
.contact-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 36px; align-items: start; }
.contact-info { background: var(--river-night); color: #fff; padding: 36px 30px; }
.contact-info__title { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.contact-info p { font-size: 14px; color: rgba(255,255,255,.72); margin-bottom: 22px; }
.contact-info__row { display: flex; align-items: flex-start; gap: 14px; padding: 13px 0; border-bottom: 1px dashed rgba(255,255,255,.22); font-size: 15px; }
.contact-info__row:last-child { border-bottom: none; }
.contact-info__row svg { flex-shrink: 0; margin-top: 3px; color: var(--accent); }
.contact-info__row span { color: rgba(255,255,255,.55); font-size: 12px; display: block; }
.contact-form { background: var(--surface); border: 1px solid var(--border); padding: 36px 30px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.form-field input, .form-field textarea {
  border: 1px solid var(--border); background: var(--bg); padding: 12px 14px; font-size: 15px;
  font-family: inherit; color: var(--text); transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-ghost); }
.form-flash { padding: 14px 18px; margin-bottom: 20px; font-size: 14px; }
.form-flash--ok { background: rgba(23,126,137,.1); border: 1px solid var(--brand); color: var(--brand-deep); }
.form-flash--err { background: rgba(200,60,40,.08); border: 1px solid #c05040; color: #a03525; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 90px 24px; }
.empty-state svg { margin: 0 auto 20px; color: var(--gray-light); }
.empty-state__title { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.empty-state__desc { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }

/* ===== sitemap ===== */
.map-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 26px; }
.map-col { background: var(--surface); border: 1px solid var(--border); border-top: 3px solid var(--brand); padding: 24px; }
.map-col:nth-child(even) { border-top-color: var(--accent); }
.map-col__title { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.map-col ul li a { display: block; padding: 7px 0; font-size: 14px; color: var(--text-soft); border-bottom: 1px dashed var(--border); }
.map-col ul li:last-child a { border-bottom: none; }
.map-col ul li a:hover { color: var(--brand); padding-left: 6px; }

/* ===== 页脚：3 列 + 大 logo 墙（变体 B）===== */
.site-footer { background: var(--river-night); color: rgba(255, 255, 255, .78); }
.site-footer a { color: rgba(255, 255, 255, .72); }
.site-footer a:hover { color: #fff; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; padding: 64px 0 44px; }
.footer-brand__logo { display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand__logo-badge {
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--brand) 0 50%, var(--accent) 50% 100%);
  color: #fff; font-size: 22px; font-weight: 800;
}
.footer-brand__desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-logo-wall {
  grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.14); padding-top: 30px;
  display: flex; align-items: center; gap: 40px; flex-wrap: wrap;
}
.footer-logo-wall__label { font-size: 13px; letter-spacing: 3px; color: var(--accent); flex-shrink: 0; }
.footer-logo-wall__items { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; opacity: .55; }
.footer-logo-wall__items svg { height: 30px; width: auto; color: rgba(255,255,255,.85); }
.footer-col__title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer-col__title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: linear-gradient(90deg, var(--brand) 0 50%, var(--accent) 50% 100%); }
.footer-col ul li a { display: block; padding: 7px 0; font-size: 14px; }
.footer-col ul li a:hover { padding-left: 6px; }
.footer-col p { font-size: 14px; line-height: 2; color: rgba(255,255,255,.66); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .14); padding: 20px 0; }
.footer-bottom__row { display: flex; justify-content: flex-start; align-items: center; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: rgba(255,255,255,.55); }
.footer-bottom__row a, .footer-bottom__row .sep { display: inline; margin: 0; color: rgba(255,255,255,.55); }
.footer-bottom__row a:hover { color: #fff; }
.footer-bottom__legal { white-space: nowrap; }
.footer-bottom__legal a, .footer-bottom__beian a, .footer-bottom__beian span { display: inline-flex; align-items: center; gap: 4px; }

/* ===== 滚动入场动效 ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal--d1 { transition-delay: .1s; }
.reveal--d2 { transition-delay: .2s; }
.reveal--d3 { transition-delay: .3s; }
.reveal.is-in { opacity: 1; transform: none; }
html.no-js .reveal { opacity: 1; transform: none; }

/* ===== 滚动条防护（§1.8）===== */
.detail__content table, .page-content table { display: block; max-width: 100%; overflow-x: auto; }
.detail__content img, .page-content img { max-width: 100%; height: auto; }
.detail__content pre, .page-content pre { overflow-x: auto; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .biz-grid, .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .with-side { grid-template-columns: 1fr; }
  .hero__collage { opacity: .4; }
  .post-grid, .case-grid, .word-grid { grid-template-columns: repeat(2, 1fr); }
  .map-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav__menu { display: none; }
  .nav__burger { display: flex; }
  .dual-band { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero-slide__inner { padding: 48px 20px 84px; min-height: 420px; }
  .hero__title { font-size: 30px; }
  .hero__collage { display: none; }
  .hero__arrow { display: none; }
  .stats-band__grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .sec-head__title { font-size: 25px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .page-hero { padding: 110px 0 54px; }
  .page-hero__title { font-size: 26px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-block__num { font-size: 52px; }
}
@media (max-width: 560px) {
  .biz-grid, .flow-grid, .post-grid, .case-grid, .word-grid, .news-side, .map-grid { grid-template-columns: 1fr; }
  .stats-band__grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-main { grid-template-columns: 1fr; }
  .detail__nav { grid-template-columns: 1fr; }
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ===== zfkf 悬浮客服（统一标准组件）===== */
.zfkf-float{position:fixed;right:20px;bottom:120px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.zfkf-item{position:relative;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.18);transition:all .25s;cursor:pointer}
.zfkf-item:hover{transform:scale(1.08);color:#fff}
.zfkf-phone{background:#2563eb}
.zfkf-wechat{background:#07c160}
.zfkf-consult{background:#f59e0b}
.zfkf-top{background:#334155}
.zfkf-tip{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);white-space:nowrap;background:rgba(0,0,0,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:6px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10001}
.zfkf-item:hover .zfkf-tip{opacity:1}
.zfkf-wechat-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:10000;display:none;align-items:center;justify-content:center}
.zfkf-wechat-mask.zfkf-show{display:flex}
.zfkf-wechat-box{background:#fff;border-radius:12px;padding:24px;text-align:center;position:relative;max-width:80vw}
.zfkf-wechat-box img{width:180px;height:180px;object-fit:contain;border:1px solid #eee;border-radius:8px}
.zfkf-wechat-noimg{width:180px;height:80px;display:flex;align-items:center;justify-content:center;background:#f6f7f9;border-radius:8px;font-size:16px;color:#07c160;font-weight:600}
.zfkf-wechat-box p{margin:12px 0 0;font-size:14px;color:#333}
.zfkf-wechat-close{position:absolute;top:8px;right:12px;font-size:22px;color:#666;cursor:pointer;line-height:1}
@media (max-width:768px){.zfkf-float{right:10px;bottom:100px}.zfkf-item{width:42px;height:42px}.zfkf-tip{display:none}}

/* ===== tz-rich-text typography (auto-appended) ===== */
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:first-child{margin-top:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article)>:last-child{margin-bottom:0}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) p{margin:0 0 1.05em;line-height:1.9}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1,:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{margin:1.6em 0 .7em;line-height:1.4;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h1{font-size:1.6em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h2{font-size:1.4em}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h3{margin:1.4em 0 .6em;font-size:1.2em;line-height:1.45;font-weight:700}
:where(.rich-text,.detail__content,.detail-content,.article-body,.article-content,.article__body,.article--body,.rich-content,.prose,.detail-body,.detail-body__content,.page-content,.content-card,.hd-article-body,.lf-article-body,.cq-article-body,.sq-article-body,.lh-article) h4{margin:1.2em 0 .5em;font-size:1.08em;font-weight:700}
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