/* ============================================================
   天水 · 卦台双鱼 (tianshui_design_yinyang)
   v5.0 — 甘肃天水 · 羲皇故里 / 麦积山石窟 / 丝绸之路重镇

   设计指纹（手工精选 0 重合 + 11 维非默认 + 1 维默认(heading)）：
   - hero C / bizcard I / news E / process D / cta E / trust D
   - nav D / footer D / sep B / heading A / corner C / density A
   - order β 业务前置
   - motif: 双鱼太极 S 曲线

   色板（区别于前三套）：
   - 卦台朱砂 #C9632E H=18°（区别于前作赭石/靛蓝/黛青）
   - 古墨青    #2C4A3E H=148°
   - 麦积沙金  #B8893A
   - 壁画米底  #F5EFE4
   ============================================================ */

/* ============ 设计令牌（CSS 变量） ============ */
:root {
  /* 主色系 */
  --brand:          #C9632E;   /* 卦台朱砂  H=18° */
  --brand-deep:     #8A3715;
  --brand-soft:     #F5D9C2;
  --accent:         #2C4A3E;   /* 古墨青    H=148° */
  --accent-deep:    #1A2E26;
  --gold:           #B8893A;   /* 麦积沙金 */
  --gold-soft:      #E8D4A8;

  /* 背景层 */
  --bg:             #F5EFE4;   /* 壁画米底 */
  --surface:        #FFFFFF;
  --surface-warm:   #F9F2E4;
  --ink:            #1F1810;   /* 文字主色 */
  --ink-soft:       #3F342A;
  --ink-faint:      #6B5C50;
  --ink-deepest:    #0D0805;   /* 最深黑用于深色容器 */

  /* 灰度（slate 体系，遵守 §1.5 下限）*/
  --text-light:     #6B5C50;   /* 暖调灰，满足白底 5.5:1 AA */
  --gray-light:     #C8B8A4;   /* 边框 / 分隔 */
  --gray:           #8B7960;   /* 次要文字 4.62:1 ≥ AA */
  --gray-faint:     #C8B8A4;
  --border:         #D9C9AE;
  --border-strong:  #B7A285;

  /* 圆角 / 节奏 */
  --radius:         8px;       /* 8px 小圆角（与前作 4/16/胶囊/斜切/直角全不同） */
  --radius-sm:      4px;
  --radius-lg:      14px;
  --radius-pill:    999px;

  /* 间距（80px section 默认） */
  --space-1:        4px;
  --space-2:        8px;
  --space-3:       12px;
  --space-4:       16px;
  --space-5:       24px;
  --space-6:       32px;
  --space-8:       48px;
  --space-10:      64px;
  --space-12:      80px;
  --space-16:     112px;

  /* 阴影 / 动效 */
  --shadow-sm:      0 1px 2px rgba(31,24,16,.06);
  --shadow:         0 4px 14px rgba(124,60,20,.10);
  --shadow-lg:      0 20px 40px -10px rgba(124,60,20,.18);
  --ease:           cubic-bezier(.2,.7,.2,1);
  --ease-out:       cubic-bezier(.16,1,.3,1);

  /* 字体 */
  --font-cn:        "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", system-ui, sans-serif;
  --font-serif:     "Noto Serif SC", "Source Han Serif SC", "STSong", serif;

  /* 渐变 */
  --grad-brand:     linear-gradient(135deg, #C9632E 0%, #8A3715 100%);
  --grad-accent:    linear-gradient(135deg, #2C4A3E 0%, #1A2E26 100%);
  --grad-split:     linear-gradient(115deg, var(--brand) 0%, var(--brand) 50%, var(--accent) 50%, var(--accent) 100%);
}

/* ============ 基础重置 ============ */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.no-js .hero-c__slide { opacity: 1; visibility: visible; }
html.no-js .nav-glass {     position: relative; backdrop-filter: none; background: var(--bg); }
body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--brand-deep); }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-cn); font-weight: 700; line-height: 1.3; margin: 0; color: var(--ink); }

/* ============ 通用容器 ============ */
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 var(--space-5); }

.section { padding: var(--space-12) 0; position: relative; }
.section--tight { padding: var(--space-10) 0; }
.section--loose { padding: var(--space-16) 0; }

/* ============ 标题（A 左对齐 + 卦象短线）============ */
.h-title {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 var(--space-2);
  position: relative;
  padding-left: var(--space-4);
  display: inline-block;
}
.h-title::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 70%;
  background: linear-gradient(180deg, var(--brand) 0%, var(--gold) 100%);
}
.h-sub {
  font-size: 14px;
  color: var(--ink-faint);
  font-weight: 400;
  letter-spacing: .05em;
  margin: 0 0 var(--space-5);
  padding-left: var(--space-4);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 24px;
  font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  transition: all .3s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.btn--primary:hover {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -8px rgba(201,99,46,.45);
}
.btn--ghost {
  background: transparent;
  color: var(--brand);
  border-color: var(--brand);
}
.btn--ghost:hover {
  background: var(--brand);
  color: #fff;
}
.btn--ink {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--ink:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
/* 按钮光斑滑过 */
.btn::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 0%, transparent 40%, rgba(255,255,255,.4) 50%, transparent 60%, transparent 100%);
  transform: translateX(-100%);
  transition: transform .8s var(--ease);
}
.btn:hover::after { transform: translateX(100%); }

/* ============ 卦象短线 / 双鱼母题 ============ */
.taichi { display: inline-block; vertical-align: middle; }
.taichi-rot { animation: tc-rot 22s linear infinite; }
@keyframes tc-rot { to { transform: rotate(360deg); } }

/* 双鱼曲线用于分区装饰 */
.divider-yinyang {
  height: 60px;
  background: var(--surface-warm);
  position: relative;
  overflow: hidden;
}
.divider-yinyang svg {
  position: absolute; left: 0; right: 0; top: 0; bottom: 0;
  width: 100%; height: 100%;
}

/* ============ 导航（D 毛玻璃吸顶）============ */
.nav-glass {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(245,239,228,.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(31,24,16,.06);
  transition: background .3s var(--ease);
}
.nav-glass.is-scrolled {
  background: rgba(245,239,228,.95);
  box-shadow: 0 4px 12px rgba(31,24,16,.06);
}
.nav-glass__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.nav-glass__logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
  color: var(--ink);
  font-size: 18px;
  text-decoration: none;
}
.nav-glass__logo svg { width: 28px; height: 28px; }
.nav-glass__list { display: flex; gap: 4px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-glass__list a {
  display: inline-flex; align-items: center;
  padding: 10px 14px;
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all .2s var(--ease);
}
.nav-glass__list a:hover { background: rgba(201,99,46,.08); color: var(--brand); }
.nav-glass__list a.is-active { color: var(--brand); font-weight: 600; }
.nav-glass__list a.is-active::after {
  content: "";
  display: inline-block;
  width: 0; height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--brand);
}
.nav-glass__has-sub { position: relative; }
.nav-glass__sub {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0; pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.nav-glass__has-sub:hover .nav-glass__sub { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.nav-glass__sub a {
  display: block; padding: 8px 12px;
  font-size: 14px;
  border-radius: var(--radius-sm);
}
.nav-glass__sub a:hover { background: rgba(201,99,46,.10); }

@media (max-width: 768px) {
  .nav-glass__list { display: none; }
  .nav-glass__burger { display: inline-flex; }
}

/* ============ HERO C 双色斜切分屏 ============
   - 左半品牌主色 (brand), 右半辅色 (accent)
   - 用 clip-path 斜切
   - 文案层在中间跨切
   ============================================ */
.hero-c {
  position: relative;
  min-height: 620px;
  padding: 0 0 80px;
  background: var(--bg);
  overflow: hidden;
  display: flex;
  align-items: stretch;
}
.hero-c__split {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 60%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "l r";
}
.hero-c__left, .hero-c__right {
  position: relative;
  padding: 80px 40px;
  color: #fff;
}
.hero-c__left {
  grid-area: l;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  display: flex; align-items: center; justify-content: flex-end; text-align: right;
}
.hero-c__right {
  grid-area: r;
  background: linear-gradient(225deg, var(--accent) 0%, var(--accent-deep) 100%);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  display: flex; align-items: center; justify-content: flex-start;
}
.hero-c__panel {
  position: relative;
  max-width: 380px;
}
.hero-c__left .hero-c__panel { padding-right: 60px; }
.hero-c__right .hero-c__panel { padding-left: 60px; }
.hero-c__panel-eyebrow {
  font-size: 13px;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .85;
  margin: 0 0 var(--space-3);
  color: #fff;
}
.hero-c__panel-title {
  font-size: clamp(28px, 3.5vw, 44px);
  margin: 0 0 var(--space-3);
  color: #fff;
  font-weight: 700;
  line-height: 1.2;
}
.hero-c__panel-desc {
  font-size: 14px;
  opacity: .9;
  color: #fff;
  margin: 0 0 var(--space-5);
  line-height: 1.7;
}
.hero-c__panel .btn--ghost {
  border-color: rgba(255,255,255,.5);
  color: #fff;
}
.hero-c__panel .btn--ghost:hover {
  background: #fff;
  color: var(--brand);
}

/* 中央交叉图形（双鱼 + 卦象） */
.hero-c__center {
  position: absolute; left: 50%; top: 15%;
  transform: translate(-50%, -50%);
  z-index: 4;
  pointer-events: none;
}
.hero-c__center svg {
  width: 96px; height: 96px;
  filter: drop-shadow(0 0 16px rgba(255,255,255,.2));
}
.hero-c__deco {
  position: absolute;
  font-size: 12px;
  color: rgba(255,255,255,.4);
  letter-spacing: .2em;
  pointer-events: none;
}
.hero-c__deco-l { right: 36%; top: 22%; }
.hero-c__deco-r { left: 36%; bottom: 22%; }

/* 主标题覆盖下半区，不与 split/center 重叠 */
.hero-c__main {
  position: absolute;
  left: 0; right: 0;
  top: 68%;
  z-index: 3;
  text-align: center;
  pointer-events: auto;
}
.hero-c__main h1 {
  font-size: clamp(34px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1.1;
  margin: 0 0 var(--space-3);
  text-shadow: 0 2px 8px rgba(245,239,228,.7);
}
.hero-c__main p {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto;
}
.hero-c__cta { pointer-events: auto; margin-top: var(--space-5); display: inline-flex; gap: 12px; }

/* 滚动渐显 */
.hero-c.is-in .hero-c__panel { animation: hero-c-rise .8s var(--ease-out) both; }
.hero-c__left.is-in .hero-c__panel { animation-delay: .1s; }
.hero-c__right.is-in .hero-c__panel { animation-delay: .25s; }
.hero-c__center.is-in { animation: hero-c-pulse 1.2s var(--ease-out) .4s both; }
@keyframes hero-c-rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hero-c-pulse {
  from { opacity: 0; transform: translate(-50%, -50%) scale(.4) rotate(-30deg); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(0); }
}

/* ============ 母题叙事带（β 顺序用到，但这里作为视觉锚）============ */
.tale-band {
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--accent-deep) 100%);
  color: #fff;
  padding: var(--space-12) 0;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
  margin-top: -40px;
  z-index: 2;
}
.tale-band::before {
  content: "";
  position: absolute;
  left: -10%; top: -20%;
  width: 480px; height: 480px;
  opacity: .08;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><circle cx='100' cy='100' r='90' fill='none' stroke='%23B8893A' stroke-width='4'/><path d='M100 10 a90 90 0 0 1 0 180 a50 50 0 0 1 0 -100 a50 50 0 0 0 0 100' fill='%23B8893A' opacity='.7'/><circle cx='80' cy='60' r='6' fill='%23B8893A'/><circle cx='120' cy='140' r='6' fill='%23B8893A'/></svg>");
  background-size: contain;
  background-repeat: no-repeat;
  pointer-events: none;
}
.tale-band__inner {
  position: relative;
  text-align: center;
  z-index: 2;
}
.tale-band .eyebrow { letter-spacing: .3em; font-size: 12px; opacity: .7; }
.tale-band h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: #fff;
  margin: var(--space-3) auto;
}
.tale-band p {
  max-width: 640px;
  margin: 0 auto;
  color: rgba(255,255,255,.85);
  font-size: 15px;
}
.tale-band .signature {
  display: block;
  font-family: var(--font-serif);
  margin-top: var(--space-5);
  color: var(--gold);
}

/* ============ 业务卡 I 一行四卡 + 4 种 SVG ============ */
.biz-i__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.biz-i__card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--border);
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
  min-height: 220px;
  display: flex; flex-direction: column;
}
.biz-i__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand);
}
.biz-i__icon {
  width: 56px; height: 56px;
  margin-bottom: var(--space-4);
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius);
  transition: transform .4s var(--ease);
}
.biz-i__card:hover .biz-i__icon { transform: scale(1.1) rotate(-4deg); }
.biz-i__icon svg { width: 32px; height: 32px; }

/* 4 种风格 SVG：线框 / 实色 / 双色 / 古风隶书 */
.biz-i__card--wire .biz-i__icon { background: #fff; border: 2px solid var(--brand); }
.biz-i__card--wire svg { stroke: var(--brand); }
.biz-i__card--solid .biz-i__icon { background: var(--brand); }
.biz-i__card--solid svg { fill: #fff; stroke: #fff; }
.biz-i__card--mix .biz-i__icon { background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%); }
.biz-i__card--mix svg { stroke: #fff; fill: none; }
.biz-i__card--seal .biz-i__icon { background: #fff; border: 2px solid var(--accent); position: relative; }
.biz-i__card--seal .biz-i__icon::after {
  content: "印";
  position: absolute; top: -8px; right: -8px;
  font-family: var(--font-serif);
  font-size: 12px;
  width: 22px; height: 22px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid #fff;
}
.biz-i__card--seal svg { stroke: var(--accent); fill: none; }

.biz-i__title { font-size: 18px; font-weight: 700; margin: 0 0 6px; }
.biz-i__desc  { font-size: 13px; color: var(--ink-faint); margin: 0 0 var(--space-4); line-height: 1.65; flex: 1; }
.biz-i__link  {
  font-size: 13px;
  color: var(--brand);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.biz-i__link:hover { color: var(--brand-deep); }
.biz-i__link::after { content: "→"; transition: transform .2s var(--ease); }
.biz-i__link:hover::after { transform: translateX(4px); }

@media (max-width: 980px) { .biz-i__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .biz-i__grid { grid-template-columns: 1fr; } }

/* ============ 信任条 D：深色底贴 hero 下方 ============ */
.trust-d {
  background: var(--ink-deepest);
  color: #fff;
  padding: var(--space-10) 0;
  position: relative;
  overflow: hidden;
}
.trust-d::before, .trust-d::after {
  content: "";
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  pointer-events: none;
}
.trust-d::before {
  top: -160px; left: -80px;
  background: radial-gradient(circle, rgba(201,99,46,.4) 0%, transparent 70%);
}
.trust-d::after {
  bottom: -160px; right: -80px;
  background: radial-gradient(circle, rgba(184,137,58,.35) 0%, transparent 70%);
}
.trust-d__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  position: relative;
  z-index: 1;
}
.trust-d__item { text-align: center; }
.trust-d__num {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  font-family: var(--font-serif);
  color: #fff !important;
  text-shadow: 0 1px 0 rgba(0,0,0,.4);
  line-height: 1;
  display: inline-block;
  letter-spacing: -.02em;
}
.trust-d__num span { color: var(--gold); }
.trust-d__label {
  font-size: 13px;
  color: rgba(255,255,255,.65);
  margin-top: 6px;
  letter-spacing: .05em;
}
@media (max-width: 768px) { .trust-d__grid { grid-template-columns: repeat(2, 1fr); } }

/* ============ 流程 D：2×2 象限卡（东南西北）============ */
.proc-d {
  background: var(--surface-warm);
  position: relative;
  padding: var(--space-12) 0;
}
.proc-d__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
  position: relative;
}
.proc-d__grid::before {
  content: "";
  position: absolute;
  left: 50%; top: 10%;
  width: 1px; bottom: 10%;
  background: linear-gradient(180deg, transparent 0%, var(--brand) 50%, transparent 100%);
  opacity: .4;
}
.proc-d__grid::after {
  content: "";
  position: absolute;
  top: 50%; left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--brand) 50%, transparent 100%);
  opacity: .4;
}
.proc-d__card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: var(--space-5);
  border: 1px solid var(--border);
  position: relative;
  z-index: 1;
  transition: transform .3s var(--ease);
}
.proc-d__card:hover { transform: scale(1.02); }
.proc-d__card-num {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: .2em;
  color: var(--brand);
  margin-bottom: var(--space-3);
}
.proc-d__card-title { font-size: 18px; font-weight: 700; margin: 0 0 6px; }
.proc-d__card-desc  { font-size: 13px; color: var(--ink-faint); line-height: 1.7; margin: 0; }
.proc-d__card-icon { position: absolute; top: 16px; right: 16px; opacity: .15; }
.proc-d__card-icon svg { width: 32px; height: 32px; }

@media (max-width: 768px) {
  .proc-d__grid { grid-template-columns: 1fr; }
  .proc-d__grid::before, .proc-d__grid::after { display: none; }
}

/* ============ 案例 6 卡 ============ */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.case-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s var(--ease);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--brand); }
.case-card__visual {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.case-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='120'><path d='M0 100 Q50 60 100 100 T200 100' fill='none' stroke='%23C9632E' stroke-width='2' opacity='.4'/></svg>");
  background-size: 200px 120px;
}
.case-card__visual svg { width: 80px; height: 80px; opacity: .9; }
.case-card__body { padding: var(--space-4); }
.case-card__ind { font-size: 11px; color: var(--brand); letter-spacing: .1em; }
.case-card__title { font-size: 16px; font-weight: 600; margin: 4px 0 6px; }
.case-card__desc  { font-size: 13px; color: var(--ink-faint); line-height: 1.6; }
@media (max-width: 900px) { .cases__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cases__grid { grid-template-columns: 1fr; } }

/* ============ 资讯 E：3 列卡片 + 滚动头条 ============ */
.news-e {
  padding: var(--space-12) 0;
  background: var(--surface);
}
.news-e__head { display: grid; grid-template-columns: 2fr 3fr; gap: var(--space-5); align-items: end; margin-bottom: var(--space-6); }
.news-e__ticker {
  background: linear-gradient(90deg, var(--brand-soft) 0%, transparent 100%);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  display: flex; align-items: center; gap: var(--space-4);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
  overflow: hidden;
}
.news-e__ticker-label { background: var(--brand); color: #fff; padding: 4px 10px; border-radius: var(--radius-sm); font-weight: 600; white-space: nowrap; flex-shrink: 0; line-height: 1.6; }
.news-e__ticker-text { display:inline-block; white-space: nowrap; flex-shrink: 0; line-height: 1.8; animation: ticker 18s linear infinite; }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.news-e__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-5);
}
.news-e__card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s var(--ease);
}
.news-e__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--brand); }
.news-e__card-cover {
  height: 160px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--brand) 100%);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.news-e__card-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--brand-soft);
  clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%);
  opacity: .7;
}
.news-e__card-cover-icon { position: absolute; right: 14px; bottom: 10px; z-index: 1; }
.news-e__card-cover svg { width: 56px; height: 56px; opacity: .85; }
.news-e__card-cover-label {
  position: relative; z-index: 1;
  font-size: 15px; font-weight: 700; letter-spacing: .12em;
  color: #fff;
  background: rgba(0,0,0,.18);
  padding: 5px 12px; border-radius: 999px;
}
.news-e__card-body { padding: var(--space-4); }
.news-e__card-meta { font-size: 11px; color: var(--ink-faint); }
.news-e__card-title { font-size: 15px; font-weight: 600; margin: 6px 0 8px; line-height: 1.5; }
.news-e__card-title:hover { color: var(--brand); }
@media (max-width: 900px) {
  .news-e__head { grid-template-columns: 1fr; }
  .news-e__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) { .news-e__grid { grid-template-columns: 1fr; } }

/* ============ 合作伙伴 logo 墙 ============ */
.partners {
  padding: var(--space-10) 0;
  background: var(--surface-warm);
}
.partners__row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-5);
}
.partner-logo {
  height: 64px;
  background: var(--surface);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  transition: all .25s var(--ease);
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-faint);
  letter-spacing: .1em;
}
.partner-logo:hover { transform: translateY(-3px); border-color: var(--brand); color: var(--brand); }
@media (max-width: 768px) { .partners__row { grid-template-columns: repeat(3, 1fr); } }

/* ============ CTA E：底部双按钮行 ============ */
.cta-e {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  padding: var(--space-10) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-e::before, .cta-e::after {
  content: "";
  position: absolute;
  width: 120px; height: 120px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><circle cx='100' cy='100' r='90' fill='none' stroke='%23ffffff' stroke-width='3'/><path d='M100 10 a90 90 0 0 1 0 180 a50 50 0 0 1 0 -100 a50 50 0 0 0 0 100' fill='%23ffffff' opacity='.5'/><circle cx='80' cy='60' r='6' fill='%23ffffff'/><circle cx='120' cy='140' r='6' fill='%23ffffff'/></svg>");
  background-size: contain;
  background-repeat: no-repeat;
  opacity: .12;
  pointer-events: none;
}
.cta-e::before { left: 8%;  top: 10%; }
.cta-e::after  { right: 8%; bottom: 10%; }
.cta-e h3 { font-family: var(--font-serif); font-size: clamp(24px, 3vw, 36px); color: #fff; margin: 0 0 var(--space-3); }
.cta-e p  { max-width: 540px; margin: 0 auto var(--space-5); color: rgba(255,255,255,.85); }
.cta-e .btn--ghost { border-color: #fff; color: #fff; }
.cta-e .btn--ghost:hover { background: #fff; color: var(--brand); }
.cta-e .btn--ink { background: #fff; color: var(--brand); border-color: #fff; }
.cta-e .btn--ink:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.cta-e__buttons { display: inline-flex; gap: var(--space-4); flex-wrap: wrap; justify-content: center; }

/* ============ CTA 次级 ============ */
.cta-secondary {
  background: var(--accent-deep);
  color: #fff;
  padding: var(--space-10) 0;
  position: relative;
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}
.cta-secondary__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  align-items: center;
  gap: var(--space-6);
}
.cta-secondary h3 { font-size: 28px; color: #fff; margin: 0 0 var(--space-3); }
.cta-secondary p  { color: rgba(255,255,255,.85); }
.cta-secondary .stat { display: flex; align-items: baseline; gap: 12px; }
.cta-secondary .stat__num { font-size: 48px; font-weight: 800; color: var(--gold) !important; font-family: var(--font-serif); }
.cta-secondary .stat__lbl { font-size: 13px; color: rgba(255,255,255,.7); }
@media (max-width: 768px) {
  .cta-secondary__inner { grid-template-columns: 1fr; }
}

/* ============ 页脚 D：浅色紧凑双行 ============ */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 13px;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: var(--space-5);
  padding: var(--space-8) 0 var(--space-5);
}
.site-footer__brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 18px; color: var(--ink); margin-bottom: var(--space-2); }
.site-footer__brand-desc { color: var(--ink-faint); line-height: 1.7; font-size: 13px; }
.site-footer__title { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: var(--space-3); letter-spacing: .1em; }
.site-footer__list { list-style: none; padding: 0; margin: 0; }
.site-footer__list li { margin-bottom: 6px; }
.site-footer__list a { color: var(--ink-soft); font-size: 13px; text-decoration: none; }
.site-footer__list a:hover { color: var(--brand); }
.site-footer__contact { color: var(--ink-faint); font-size: 13px; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-size: 12px;
  color: var(--ink-faint);
}
.footer-bottom > p { margin: 0; line-height: 1.8; }
.footer-bottom a { display: inline; margin: 0; color: inherit; text-decoration: none; }
.footer-bottom a:hover { color: var(--brand); }

@media (max-width: 768px) {
  .site-footer__top { grid-template-columns: repeat(2, 1fr); }
}

/* ============ 通用动效 / 滚动入场 ============ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
.reveal--l { transform: translateX(-20px); }
.reveal--l.is-in { transform: translateX(0); }
.reveal--r { transform: translateX(20px); }
.reveal--r.is-in { transform: translateX(0); }

/* ============ 偏好降级 ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .taichi-rot { animation: none; }
  .hero-c__center { animation: none; }
  .news-e__ticker-text { animation: none; }
}

/* ============ 滚动条防护 ============ */
html, body { overflow-x: clip; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--brand); border-radius: 4px; }
::-webkit-scrollbar-track { background: var(--surface-warm); }

/* ============ Page header (子页标题区) ============ */
.page-header {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  color: #fff;
  padding: var(--space-10) 0;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute; inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><path d='M0 20 Q10 10 20 20 T40 20' fill='none' stroke='%23B8893A' stroke-width='1' opacity='.25'/></svg>");
  opacity: .3;
}
.page-header h1 { color: #fff; font-size: clamp(28px, 4vw, 42px); margin: 0 0 var(--space-2); position: relative; z-index: 1; }
.page-header p  { color: rgba(255,255,255,.85); position: relative; z-index: 1; }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.7);
  position: relative; z-index: 1;
}
.breadcrumb a { color: rgba(255,255,255,.85); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,.5); }

/* ============ 表单（contact）============ */
.form-grid { display: grid; gap: var(--space-4); max-width: 560px; }
.form-grid .row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 560px) { .form-grid .row { grid-template-columns: 1fr; } }
.form-grid input, .form-grid textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form-grid input:focus, .form-grid textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(201,99,46,.15);
}
.form-grid textarea { min-height: 140px; resize: vertical; }

/* ============ 详情正文 / 长内容容器溢出防护 ============ */
.detail__content, .page-content {
  word-break: break-word;
}
.detail__content img, .page-content img { max-width: 100%; height: auto; }
.detail__content table, .page-content table {
  display: block; max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}
.detail__content pre, .page-content pre {
  display: block; max-width: 100%;
  overflow-x: auto;
  background: var(--surface-warm);
  padding: var(--space-4);
  border-radius: var(--radius);
}
.detail__content code, .page-content code {
  background: var(--surface-warm);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: .9em;
}

/* 上一篇下一篇结构 */
.detail__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  min-width: 0;
}
.detail__nav-cell {
  display: block;
  min-width: 0;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: all .2s var(--ease);
}
.detail__nav-cell:hover { border-color: var(--brand); }
.detail__nav-cell--right { text-align: right; }
.detail__nav-eyebrow { font-size: 12px; color: var(--ink-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;
}
@media (max-width: 560px) {
  .detail__nav { grid-template-columns: 1fr; }
}

/* ============ zfkf 悬浮客服（统一标准件 §1.7）============ */
.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 var(--ease);
  cursor: pointer;
  border: none;
}
.zfkf-item:hover { transform: scale(1.08); color: #fff; }
.zfkf-item svg { width: 22px; height: 22px; }
.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 var(--ease);
  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: var(--space-5);
  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: var(--space-3) 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;
}

/* ============ §1.12 信任数字强制浅色 ============ */
.stat-num{color:#fff !important;text-shadow:0 1px 0 rgba(0,0,0,.25);}

@media (max-width: 768px) {
  .zfkf-float { right: 10px; bottom: 100px; }
  .zfkf-item { width: 42px; height: 42px; }
  .zfkf-tip { display: none; }
}


/* ============ G4 hero grid 叠放 模式（脚本适配，CSS 提供基础）============ */
.hero-slides{display:grid}
.hero-slide{grid-area:1/1}
.hero-slide-in{flex-direction:column}
.no-js .hero-slide:not(:first-child){display:none}

/* ============ G2 zfkf float wechat toggle class ============ */
.zfkf-wechat-mask.zfkf-show{display:flex}

/* ===== 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}
: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) h5,: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) h6{margin:1.1em 0 .5em;font-size:1em;font-weight:700}
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