/* ==========================================================================
   tangzhiV2 · 运城盐湖鎏金 (yuncheng_design_saltgold)
   主色 盐湖鎏金 #E0A32E · 辅 卤水青碧 #17A2B0 · 点缀 盐藻玫 #E0578A
   深色锚点 深卤墨青 #0B2226(hero/nav/CTA) · 中段 盐晶白 #FBF8F1
   母题：盐晶立方格 / 鹳雀楼飞檐 / 竖排汉字 · 动效性格：辽阔(长位移缓动)
   前缀 yc- ；悬浮客服 zfkf-（品牌色固定）
   ========================================================================== */

/* ---------- 1. 令牌 ---------- */
:root {
  --zfkf-brand: #ff5000;              /* §1.7 品牌固定色，不随城市变 */

  --gold: #e0a32e;                    /* 主色 盐湖鎏金 hue≈44 */
  --gold-bright: #f2c14e;
  --gold-ink: #8a5e12;                /* 浅底金色文字/链接 ≥4.5:1 */
  --teal: #17a2b0;                    /* 辅色 卤水青碧 */
  --teal-deep: #0c6b77;               /* 浅底青色文字 ≥4.5:1 */
  --rose: #e0578a;                    /* 点缀 盐藻玫 */

  --brine: #0b2226;                   /* 深卤墨青（深色锚点） */
  --brine-2: #12343a;
  --brine-3: #0e2b30;
  --salt: #fbf8f1;                    /* 盐晶白底 */
  --salt-2: #f4ede0;                  /* 暖盐沙 */
  --paper: #ffffff;
  --ink: #1e2422;                     /* 正文墨字 */
  --ink-soft: #3a4340;

  --gray-light: #cbd5e1;
  --gray: #94a3b8;
  --text-light: #64748b;
  --line: #ece3d4;
  --line-warm: #e6dcc9;

  --r: 8px;                           /* dim11 C 8px 小圆角 */
  --r-sm: 6px;
  --r-pill: 999px;

  --sh-card: 0 20px 46px -18px rgba(11, 34, 38, .34);   /* dim13 C 深投影 */
  --sh-lift: 0 32px 70px -22px rgba(11, 34, 38, .46);
  --sh-soft: 0 12px 30px -16px rgba(11, 34, 38, .3);

  --ease-vast: cubic-bezier(.16, .84, .44, 1);          /* 辽阔 长位移缓动 */
  --dur: .8s; --dur-slow: 1s; --dur-fast: .5s;

  --sec: 120px;                       /* dim12 C 宽松密度 */
  --container: 1200px;
  --font-round: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

/* ---------- 2. 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: hidden; }    /* §1.8 */
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--salt); color: var(--ink);
  font-family: var(--font-round); font-size: 16px; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-ink); text-decoration: none; transition: color var(--dur-fast) var(--ease-vast); }
a:hover { color: var(--gold); }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.24; font-weight: 800; letter-spacing: -.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
.yc-container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.num, .yc-stat-num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }   /* dim17 D 圆体/等宽数字 */

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 3px; }
.yc-skip { position: absolute; left: 12px; top: -60px; z-index: 999; background: var(--gold); color: var(--brine); padding: 10px 18px; border-radius: var(--r); font-weight: 700; transition: top var(--dur-fast) var(--ease-vast); }
.yc-skip:focus { top: 12px; color: var(--brine); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- 3. 深色通栏导航（dim7 C） ---------- */
.yc-header { position: sticky; top: 0; z-index: 120; background: linear-gradient(90deg, var(--brine), var(--brine-2)); border-bottom: 1px solid rgba(224, 163, 46, .18); transition: box-shadow var(--dur-fast) var(--ease-vast); }
.yc-header.is-scrolled { box-shadow: 0 14px 34px -20px rgba(0, 0, 0, .8); }
.yc-header-inner { display: flex; align-items: center; gap: 16px; min-height: 70px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.yc-logo { display: inline-flex; align-items: center; gap: 11px; color: #fff; flex: none; }
.yc-logo:hover { color: #fff; }
.yc-logo-mark { display: grid; place-items: center; width: 42px; height: 42px; color: var(--gold); background: rgba(224, 163, 46, .1); border: 1px solid rgba(224, 163, 46, .35); border-radius: var(--r); }
.yc-logo-text { display: flex; flex-direction: column; line-height: 1.18; }
.yc-logo-text strong { font-size: 18px; font-weight: 800; color: #fff; }
.yc-logo-text em { font-size: 11.5px; font-style: normal; color: #a9c3c6; }

.yc-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; flex-wrap: nowrap; }   /* §1.4-7 单行不换行 */
.yc-nav-item { position: relative; }
.yc-nav-link {
  display: inline-flex; align-items: center; gap: 5px; padding: 9px 10px; font-size: 15px; font-weight: 600;
  color: #e6f0f1; text-decoration: none; white-space: nowrap; border-radius: var(--r-sm); position: relative;
  transition: color var(--dur-fast) var(--ease-vast), background var(--dur-fast) var(--ease-vast);
}
.yc-nav-link:hover { color: var(--gold-bright); background: rgba(224, 163, 46, .1); }
.yc-nav-link.is-active { color: var(--gold-bright); }
.yc-nav-link.is-active::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 2px; height: 2px; background: var(--gold); border-radius: 2px; }
.yc-caret { color: #7f9ea1; transition: transform var(--dur-fast) var(--ease-vast); }
.yc-nav-item:hover .yc-caret { transform: rotate(180deg); color: var(--gold); }
.yc-drop {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 210px; z-index: 130; padding: 8px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-card);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--dur-fast) var(--ease-vast), transform var(--dur-fast) var(--ease-vast), visibility var(--dur-fast);
}
.yc-nav-item:hover .yc-drop, .yc-nav-item:focus-within .yc-drop { opacity: 1; visibility: visible; transform: translateY(0); }
.yc-drop a { display: block; padding: 9px 12px; border-radius: var(--r-sm); color: var(--ink); font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: background var(--dur-fast), color var(--dur-fast), padding-left var(--dur-fast) var(--ease-vast); }
.yc-drop a:hover { background: var(--salt-2); color: var(--gold-ink); padding-left: 16px; }
.yc-nav-cta { flex: none; margin-left: 8px; padding: 9px 18px; border-radius: var(--r-pill); background: var(--gold); color: var(--brine); font-weight: 800; font-size: 14.5px; white-space: nowrap; text-decoration: none; transition: transform var(--dur-fast) var(--ease-vast), background var(--dur-fast); }
.yc-nav-cta:hover { background: var(--gold-bright); color: var(--brine); transform: translateY(-2px); }
.yc-tel-btn { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: var(--gold); background: rgba(224, 163, 46, .1); border: 1px solid rgba(224, 163, 46, .3); transition: background var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }   /* §1.4-8 图标按钮 ≈38px */
.yc-tel-btn:hover { background: rgba(224, 163, 46, .22); transform: translateY(-2px); }
.yc-burger { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; }
.yc-burger span { display: block; height: 2px; width: 100%; background: #fff; border-radius: 2px; margin: 5px 0; transition: transform var(--dur-fast) var(--ease-vast), opacity var(--dur-fast); }
.yc-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.yc-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.yc-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 4. Hero（dim1 D 毛玻璃浮层卡 + dim16 D 深色锚点） ---------- */
.yc-hero { position: relative; overflow: hidden; color: #eef6f6; background:
    radial-gradient(900px 460px at 82% 12%, rgba(224, 163, 46, .26), rgba(224, 163, 46, 0) 62%),
    radial-gradient(760px 460px at 8% 88%, rgba(23, 162, 176, .28), rgba(23, 162, 176, 0) 60%),
    linear-gradient(155deg, var(--brine) 0%, var(--brine-2) 100%);
  padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 116px); }
.yc-hero-lattice { position: absolute; inset: 0; color: var(--gold); opacity: .12; pointer-events: none; }   /* dim14 E 盐晶格淡印 */
.yc-hero-lattice svg { width: 100%; height: 100%; }
.yc-hero-vtext { position: absolute; right: 3.5%; top: 14%; writing-mode: vertical-rl; letter-spacing: .5em; font-size: 15px; font-weight: 700; color: rgba(224, 163, 46, .5); pointer-events: none; }   /* dim10 G 竖排汉字 */
.yc-hero-inner { position: relative; z-index: 2; }
.yc-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }

.yc-hero-glass { background: rgba(255, 255, 255, .07); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--r); padding: clamp(26px, 3.4vw, 40px); box-shadow: 0 40px 90px -40px rgba(0, 0, 0, .8); }   /* dim1 D 毛玻璃浮层卡 */
.yc-hero-slides { display: grid; }
.yc-hero-slide { grid-area: 1 / 1; }
.js .yc-hero-slide { opacity: 0; visibility: hidden; transform: translateY(18px); transition: opacity var(--dur) var(--ease-vast), transform var(--dur) var(--ease-vast), visibility var(--dur); }
.js .yc-hero-slide.is-active { opacity: 1; visibility: visible; transform: none; }
.yc-hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: var(--r-pill); background: rgba(224, 163, 46, .16); border: 1px solid rgba(224, 163, 46, .4); color: var(--gold-bright); font-size: 13px; font-weight: 700; margin-bottom: 18px; }
.yc-hero-eyebrow svg { flex: none; }
.yc-hero-title { font-size: clamp(28px, 4.4vw, 46px); line-height: 1.2; color: #fff; margin-bottom: 16px; }
.yc-hero-title .hl { color: var(--gold-bright); }
.yc-hero-title .yc-ch { display: inline-block; opacity: 0; transform: translateY(16px); }
.js .yc-hero-slide.is-active .yc-hero-title .yc-ch { animation: ycChIn .7s var(--ease-vast) forwards; }   /* TYPE 逐字，每屏覆盖 */
.no-js .yc-hero-title .yc-ch { opacity: 1; transform: none; }
@keyframes ycChIn { to { opacity: 1; transform: none; } }
.yc-hero-desc { font-size: 16.5px; color: #cfe2e3; max-width: 40em; margin-bottom: 14px; }
.yc-hero-narr { font-size: 14px; color: #9fbdc0; border-left: 2px solid var(--gold); padding-left: 13px; margin-bottom: 26px; }
.yc-hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.yc-hero-dots { display: flex; gap: 9px; margin-top: 26px; }   /* 圆点正常流，不 absolute（§2.3） */
.yc-hero-dot { width: 30px; height: 5px; border: 0; border-radius: var(--r-pill); background: rgba(255, 255, 255, .28); transition: background var(--dur-fast), width var(--dur-fast) var(--ease-vast); }
.yc-hero-dot.is-active { background: var(--gold); width: 48px; }

.yc-hero-visual { position: relative; display: grid; place-items: center; min-height: 300px; }
.yc-hero-visual svg { width: 100%; max-width: 420px; height: auto; overflow: visible; }
.yc-hero-visual .salt-a { color: var(--gold); }
.yc-hero-visual .salt-b { color: var(--teal); }
.yc-hero-visual .salt-c { color: #fff; }
.yc-draw { stroke-dasharray: 900; stroke-dashoffset: 900; }
.js .yc-hero-slide-visual.is-active .yc-draw, .js .yc-hero.is-ready .yc-draw { animation: ycDraw 2.4s var(--ease-vast) forwards; }
.no-js .yc-draw { stroke-dashoffset: 0; }
@keyframes ycDraw { to { stroke-dashoffset: 0; } }
.yc-float { animation: ycFloat 7s ease-in-out infinite; transform-origin: center; }
@keyframes ycFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------- 5. 按钮 ---------- */
.yc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 13px 26px; border-radius: var(--r); font-weight: 800; font-size: 15.5px; text-decoration: none; border: 0; position: relative; overflow: hidden; transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast), background var(--dur-fast); }
.yc-btn-gold { background: linear-gradient(135deg, var(--gold-bright), var(--gold)); color: var(--brine); box-shadow: 0 16px 34px -16px rgba(224, 163, 46, .9); }
.yc-btn-gold:hover { color: var(--brine); transform: translateY(-3px); box-shadow: 0 22px 44px -16px rgba(224, 163, 46, 1); }
.yc-btn-ghost { background: rgba(255, 255, 255, .06); color: #fff; border: 1.5px solid rgba(255, 255, 255, .42); }
.yc-btn-ghost:hover { background: rgba(255, 255, 255, .14); color: #fff; transform: translateY(-3px); }
.yc-btn-teal { background: linear-gradient(135deg, var(--teal), var(--teal-deep)); color: #fff; box-shadow: 0 16px 34px -16px rgba(12, 107, 119, .9); }
.yc-btn-teal:hover { color: #fff; transform: translateY(-3px); }
.yc-btn-line { background: transparent; color: var(--gold-ink); border: 1.5px solid var(--gold); }
.yc-btn-line:hover { background: var(--gold); color: var(--brine); transform: translateY(-3px); }
.yc-btn::after { content: ""; position: absolute; top: 0; left: -120%; width: 55%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent); transform: skewX(-20deg); transition: left .7s var(--ease-vast); }   /* 基础动效4 光斑 */
.yc-btn:hover::after { left: 130%; }
.yc-btn svg { transition: transform var(--dur-fast) var(--ease-vast); }
.yc-btn:hover svg { transform: translateX(4px); }
.yc-ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .4); transform: scale(0); pointer-events: none; }   /* RIP */

/* ---------- 6. 区块通用 + 渐变融合（dim9 H）+ 淡印（dim14 E） ---------- */
.yc-sec { position: relative; padding: var(--sec) 0; }
.yc-sec--blend { background: linear-gradient(180deg, var(--salt) 0%, var(--salt-2) 50%, var(--salt) 100%); }   /* 渐变融合无硬边界 */
.yc-sec--paper { background: var(--paper); }
.yc-imprint { position: absolute; inset: 0; pointer-events: none; color: var(--gold); opacity: .05; z-index: 0; }
.yc-imprint svg { width: 100%; height: 100%; }
.yc-sec > .yc-container { position: relative; z-index: 1; }
.yc-sec-head { max-width: 780px; margin-bottom: 48px; position: relative; }
.yc-sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.yc-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 800; letter-spacing: .16em; color: var(--gold-ink); margin-bottom: 12px; }
.yc-eyebrow svg { color: var(--gold); }
.yc-sec-title { font-size: clamp(25px, 3.2vw, 36px); color: var(--ink); }
.yc-sec-sub { margin-top: 14px; color: var(--text-light); font-size: 16px; }
/* dim10 G 竖排汉字点缀条 */
.yc-vstrip { position: absolute; left: -46px; top: 0; writing-mode: vertical-rl; letter-spacing: .34em; font-size: 13px; font-weight: 700; color: var(--gold); opacity: .55; }

/* ---------- 7. 业务卡（dim2 D 首卡放大+3小；一行4卡 §1.15-6） ---------- */
.yc-biz-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 20px; align-items: stretch; }
.yc-biz-card { position: relative; display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-card); overflow: hidden; transform-style: preserve-3d; will-change: transform; transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast); }
.yc-biz-card:hover { box-shadow: var(--sh-lift); }
.yc-biz-card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--gold), var(--teal)); opacity: .85; }
.yc-biz-in { padding: 26px 24px; display: flex; flex-direction: column; flex: 1; }
.yc-biz-ico { width: 58px; height: 58px; border-radius: var(--r); display: grid; place-items: center; margin-bottom: 18px; background: linear-gradient(135deg, rgba(224, 163, 46, .16), rgba(23, 162, 176, .12)); color: var(--gold-ink); transition: transform var(--dur-fast) var(--ease-vast); }   /* DUO 双色图标 */
.yc-biz-ico .duo-b { color: var(--teal-deep); }
.yc-biz-card:hover .yc-biz-ico { transform: scale(1.07) rotate(-3deg); }
.yc-biz-idx { font-size: 12px; font-weight: 800; color: var(--gold); letter-spacing: .1em; }
.yc-biz-title { font-size: 20px; color: var(--ink); margin: 4px 0 10px; }
.yc-biz-card--lead .yc-biz-title { font-size: 24px; }
.yc-biz-lead { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.yc-biz-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.yc-biz-chip { display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 4px 11px; border-radius: var(--r-pill); font-size: 12.5px; background: var(--salt-2); color: var(--gold-ink); border: 1px solid var(--line-warm); text-decoration: none; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }
.yc-biz-chip:hover { background: var(--gold); color: var(--brine); transform: translateY(-2px); }
.yc-biz-more { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 18px; font-weight: 800; font-size: 14px; color: var(--gold-ink); }
.yc-biz-more svg { transition: transform var(--dur-fast) var(--ease-vast); }
.yc-biz-more:hover svg { transform: translateX(4px); }

/* ---------- 8. 信任条（dim6 F 细线上浮数字；正常流，无图形盒内绝对定位 §2.5D） ---------- */
.yc-trust { background: var(--brine); color: #eef6f6; padding: 44px 0; position: relative; overflow: hidden; }
.yc-trust::before { content: ""; position: absolute; inset: 0; background: radial-gradient(700px 200px at 50% 0%, rgba(224, 163, 46, .16), transparent 70%); }
.yc-trust-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.yc-stat { text-align: left; padding: 4px 0 4px 22px; border-left: 1px solid rgba(224, 163, 46, .35); }   /* 细线 */
.yc-stat-num { display: block; font-size: clamp(30px, 4vw, 44px); font-weight: 800; line-height: 1; color: var(--gold-bright); }   /* 数字正常流 */
.yc-stat-label { display: block; margin-top: 10px; font-size: 15.5px; font-weight: 700; color: #fff; }
.yc-stat-desc { display: block; margin-top: 5px; font-size: 12.5px; color: #a9c3c6; }

/* ---------- 9. 流程 竖排时间线（dim4 B，§1.21 通用5步） ---------- */
.yc-timeline { position: relative; padding-left: 8px; }
.yc-timeline::before { content: ""; position: absolute; left: 27px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--gold), var(--teal)); opacity: .5; }
.yc-tl-item { position: relative; padding: 0 0 34px 74px; }
.yc-tl-item:last-child { padding-bottom: 0; }
.yc-tl-node { position: absolute; left: 8px; top: 0; width: 40px; height: 40px; border-radius: var(--r); display: grid; place-items: center; background: var(--paper); border: 2px solid var(--gold); color: var(--gold-ink); font-weight: 800; font-size: 15px; box-shadow: var(--sh-soft); z-index: 1; }
.yc-tl-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; box-shadow: var(--sh-soft); transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast); }
.yc-tl-card:hover { transform: translateX(6px); box-shadow: var(--sh-card); }
.yc-tl-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.yc-tl-card p { font-size: 14.5px; color: var(--text-light); }
.yc-tl-tag { display: inline-block; margin-top: 12px; font-size: 12px; color: var(--teal-deep); background: rgba(23, 162, 176, .1); border-radius: var(--r-pill); padding: 3px 11px; }

/* ---------- 10. CTA 卡片组（dim5 D，深色锚点） ---------- */
.yc-cta-dark { position: relative; overflow: hidden; color: #fff; background: linear-gradient(150deg, var(--brine), var(--brine-2)); padding: clamp(54px, 7vw, 92px) 0; }
.yc-cta-bg { position: absolute; inset: 0; color: var(--gold); opacity: .14; pointer-events: none; }
.yc-cta-bg svg { width: 100%; height: 100%; }
.yc-cta-dark .yc-container { position: relative; z-index: 2; }
.yc-cta-head { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.yc-cta-head h2 { font-size: clamp(25px, 3.6vw, 38px); color: #fff; margin-bottom: 12px; }
.yc-cta-head p { color: #cfe2e3; font-size: 16px; }
.yc-cta-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.yc-cta-card { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--r); padding: 28px 24px; text-align: center; backdrop-filter: blur(6px); transition: transform var(--dur-fast) var(--ease-vast), background var(--dur-fast); }
.yc-cta-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .1); }
.yc-cta-card--main { background: rgba(224, 163, 46, .14); border-color: rgba(224, 163, 46, .5); }
.yc-cta-card .cico { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: var(--r); display: grid; place-items: center; color: var(--gold-bright); background: rgba(224, 163, 46, .14); }
.yc-cta-card h3 { font-size: 19px; color: #fff; margin-bottom: 8px; }
.yc-cta-card p { font-size: 14px; color: #c3d8da; margin-bottom: 18px; }
.yc-cta-card a { color: #fff; }
.yc-cta-card .yc-tel-big { display: block; font-size: 24px; font-weight: 800; color: var(--gold-bright); margin-bottom: 6px; }
/* 内联 CTA（浅色区） */
.yc-cta-inline { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; background: var(--salt-2); border: 1px solid var(--line-warm); border-radius: var(--r); padding: 30px 34px; box-shadow: var(--sh-soft); }
.yc-cta-inline h3 { font-size: 23px; color: var(--ink); }
.yc-cta-inline p { color: var(--text-light); margin-top: 6px; }

/* ---------- 11. 资讯区（dim3 D 双栏混合：置顶1 + 小卡） ---------- */
.yc-news { display: grid; grid-template-columns: 1fr 1.1fr; gap: 26px; align-items: stretch; }
.yc-news-feature { position: relative; display: flex; flex-direction: column; justify-content: flex-end; min-height: 340px; border-radius: var(--r); overflow: hidden; box-shadow: var(--sh-card); background: linear-gradient(155deg, var(--brine-2), var(--brine)); text-decoration: none; }
.yc-news-feature-bg { position: absolute; inset: 0; display: grid; place-items: center; color: var(--gold); }
.yc-news-feature-bg img { width: 100%; height: 100%; object-fit: cover; }
.yc-news-feature-bg svg { width: 58%; opacity: .4; }
.yc-news-feature-body { position: relative; z-index: 2; padding: 26px; background: linear-gradient(0deg, rgba(11, 34, 38, .94) 10%, rgba(11, 34, 38, .1) 78%); }
.yc-news-feature-tag { align-self: flex-start; display: inline-block; font-size: 12px; font-weight: 700; color: var(--gold-bright); background: rgba(224, 163, 46, .2); border: 1px solid rgba(224, 163, 46, .45); padding: 3px 11px; border-radius: var(--r-pill); margin-bottom: 12px; }
.yc-news-feature-title { font-size: 21px; color: #fff; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.yc-news-feature:hover .yc-news-feature-title { color: var(--gold-bright); }
.yc-news-feature-meta { margin-top: 12px; font-size: 12.5px; color: #a9c3c6; }
.yc-news-list { display: grid; grid-template-columns: 1fr; gap: 14px; }
.yc-news-item { display: flex; gap: 16px; align-items: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; box-shadow: var(--sh-soft); min-width: 0; transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast); }
.yc-news-item:hover { transform: translateX(5px); box-shadow: var(--sh-card); }
.yc-news-item-date { flex: none; width: 52px; text-align: center; border-right: 1px solid var(--line); padding-right: 12px; }
.yc-news-item-date b { display: block; font-size: 20px; font-weight: 800; color: var(--gold-ink); line-height: 1.1; }
.yc-news-item-date span { display: block; font-size: 11px; color: var(--gray); }
.yc-news-item-body { min-width: 0; flex: 1; }
.yc-news-item-body a { display: block; color: var(--ink); font-weight: 700; font-size: 15.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }   /* §1.16 单行截断 */
.yc-news-item-body a:hover { color: var(--gold-ink); }
.yc-news-item-body p { font-size: 13px; color: var(--text-light); margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.yc-news-item-cat { font-size: 11.5px; color: var(--teal-deep); margin-top: 7px; }

/* ---------- 12. 案例卡 ---------- */
.yc-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.yc-case-card { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--sh-soft); text-decoration: none; transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast); }
.yc-case-card:hover { transform: translateY(-6px); box-shadow: var(--sh-card); }
.yc-case-cover { position: relative; aspect-ratio: 16 / 10; display: grid; place-items: center; overflow: hidden; background: linear-gradient(135deg, var(--brine-2), var(--teal-deep)); color: var(--gold); }
.yc-case-cover img { width: 100%; height: 100%; object-fit: cover; }
.yc-case-cover svg { width: 46%; opacity: .55; }
.yc-case-idx { position: absolute; left: 12px; top: 11px; font-size: 12.5px; font-weight: 800; color: #fff; background: rgba(11, 34, 38, .55); padding: 2px 10px; border-radius: var(--r-pill); }
.yc-case-body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.yc-case-body h3 { font-size: 18px; color: var(--ink); }
.yc-case-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 11px 0; }
.yc-case-tags span { font-size: 12px; color: var(--teal-deep); background: rgba(23, 162, 176, .1); border-radius: var(--r-pill); padding: 3px 10px; }
.yc-case-body p { font-size: 14px; color: var(--text-light); }

/* ---------- 13. 内页 page-hero（深色锚点） ---------- */
.yc-page-hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(150deg, var(--brine), var(--brine-2)); padding: 46px 0 52px; }
.yc-page-hero::after { content: ""; position: absolute; right: -40px; bottom: -70px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(224, 163, 46, .26), transparent 70%); }
.yc-page-hero .yc-container { position: relative; z-index: 2; }
.yc-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13.5px; color: #a9c3c6; margin-bottom: 13px; }
.yc-crumb a { color: #cfe2e3; text-decoration: none; }
.yc-crumb a:hover { color: var(--gold-bright); }
.yc-crumb .sep { color: var(--gray); }
.yc-page-hero h1 { font-size: clamp(25px, 3.8vw, 37px); color: #fff; }
.yc-page-hero .lead { margin-top: 12px; color: #cfe2e3; max-width: 46em; }

/* ---------- 14. 两栏 + 侧栏 ---------- */
.yc-layout2 { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.yc-content-col { min-width: 0; }   /* 防 grid 子项溢出（§1.16 min-width:0） */
.yc-panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-soft); padding: 28px; }
.yc-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 92px; }
.yc-side-box { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-soft); padding: 22px; }
.yc-side-box h4 { font-size: 16.5px; color: var(--ink); margin-bottom: 15px; padding-bottom: 11px; border-bottom: 2px solid var(--salt-2); display: flex; align-items: center; gap: 8px; }
.yc-side-box h4 svg { color: var(--gold); }
.yc-side-list li { overflow: hidden; }
.yc-side-list a { display: block; padding: 9px 0; border-bottom: 1px dashed var(--line-warm); color: var(--ink); font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-decoration: none; transition: color var(--dur-fast), padding-left var(--dur-fast) var(--ease-vast); }   /* §1.16 */
.yc-side-list a:hover { color: var(--gold-ink); padding-left: 6px; }
.yc-side-list .rank { display: inline-block; width: 20px; font-weight: 800; color: var(--gold); font-size: 13px; }
/* 标签云 §1.20C 防变形 */
.yc-tagcloud { display: flex; flex-wrap: wrap; gap: 8px; }
.yc-tagcloud a { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; color: var(--text-light); background: var(--salt-2); border: 1px solid var(--line-warm); padding: 5px 14px; border-radius: var(--r-pill); text-decoration: none; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }
.yc-tagcloud a:hover { background: var(--gold); color: var(--brine); transform: translateY(-2px); }
.yc-tagcloud .cnt { color: var(--gray); font-size: 11px; margin-left: 3px; }
.yc-side-cta { background: linear-gradient(150deg, var(--brine), var(--brine-2)); color: #fff; border-radius: var(--r); padding: 26px; text-align: center; }
.yc-side-cta h4 { color: #fff; border: 0; justify-content: center; }
.yc-side-cta p { color: #cfe2e3; font-size: 14px; margin: 8px 0 16px; }
.yc-side-cta .yc-tel-big { display: block; font-size: 23px; font-weight: 800; color: var(--gold-bright); margin-bottom: 14px; }
.yc-side-cta a { color: #fff; }

/* ---------- 15. 列表 / 详情 ---------- */
.yc-art-row { display: flex; gap: 20px; padding: 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-soft); transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast); }
.yc-art-row + .yc-art-row { margin-top: 15px; }
.yc-art-row:hover { transform: translateX(5px); box-shadow: var(--sh-card); }
.yc-art-thumb { flex: none; width: 196px; aspect-ratio: 16 / 10; border-radius: var(--r-sm); overflow: hidden; display: grid; place-items: center; background: linear-gradient(135deg, var(--brine-2), var(--teal-deep)); color: var(--gold); }
.yc-art-thumb img { width: 100%; height: 100%; object-fit: cover; }
.yc-art-thumb svg { width: 50%; opacity: .55; }
.yc-art-body { min-width: 0; flex: 1; }
.yc-art-body h3 { font-size: 18px; }
.yc-art-body h3 a { color: var(--ink); text-decoration: none; }
.yc-art-body h3 a:hover { color: var(--gold-ink); }
.yc-art-body p { font-size: 14px; color: var(--text-light); margin: 8px 0 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.yc-meta-row { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12.5px; color: var(--gray); }
.yc-meta-row span { display: inline-flex; align-items: center; gap: 5px; }

.yc-article h1 { font-size: clamp(23px, 3.2vw, 33px); margin-bottom: 14px; }
.yc-article-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13.5px; color: var(--text-light); padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.yc-prose { font-size: 16.5px; line-height: 1.95; color: var(--ink-soft); }
.yc-prose p { margin-bottom: 18px; }
.yc-prose img { border-radius: var(--r); margin: 18px 0; }
.yc-prose h2, .yc-prose h3 { margin: 26px 0 14px; color: var(--ink); }
.yc-prose a { color: var(--gold-ink); text-decoration: underline; }
.yc-prose blockquote { border-left: 4px solid var(--gold); background: var(--salt-2); padding: 14px 20px; border-radius: 0 var(--r) var(--r) 0; color: var(--text-light); margin: 20px 0; }
.yc-prose table { display: block; overflow-x: auto; }   /* §2.10-7 */
.yc-prose ul, .yc-prose ol { padding-left: 22px; margin-bottom: 18px; }
.yc-prose li { list-style: disc; margin-bottom: 6px; }
.yc-pn { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 28px; }
.yc-pn a { padding: 15px 18px; background: var(--salt-2); border: 1px solid var(--line-warm); border-radius: var(--r); color: var(--ink); font-size: 14px; text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yc-pn a:hover { background: var(--paper); color: var(--gold-ink); }
.yc-pn .prev { text-align: left; }
.yc-pn .next { text-align: right; }
.yc-related { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }   /* §1.16 相关推荐 2 列 */
.yc-related a { display: block; padding: 14px 16px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); color: var(--ink); font-size: 14.5px; text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }
.yc-related a:hover { background: var(--gold); color: var(--brine); transform: translateY(-3px); }

/* ---------- 16. services ---------- */
.yc-svc-anchor { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.yc-svc-anchor a { font-size: 14px; font-weight: 700; color: var(--gold-ink); background: var(--salt-2); border: 1px solid var(--line-warm); padding: 8px 16px; border-radius: var(--r-pill); text-decoration: none; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }
.yc-svc-anchor a:hover { background: var(--gold); color: var(--brine); transform: translateY(-2px); }
.yc-svc-sec { scroll-margin-top: 96px; }
.yc-svc-sec + .yc-svc-sec { margin-top: 34px; }
.yc-svc-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.yc-svc-head .yc-biz-ico { margin: 0; width: 54px; height: 54px; }
.yc-svc-head h2 { font-size: 23px; color: var(--ink); }

/* ---------- 17. 分页 ---------- */
.yc-pager { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 34px; }
.yc-pager a, .yc-pager span { min-width: 42px; height: 42px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--r); border: 1px solid var(--line-warm); background: var(--paper); color: var(--ink); font-size: 14.5px; font-weight: 600; text-decoration: none; transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast) var(--ease-vast); }
.yc-pager a:hover { background: var(--salt-2); color: var(--gold-ink); transform: translateY(-2px); }
.yc-pager .current { background: var(--gold); color: var(--brine); border-color: transparent; }
.yc-pager .disabled { color: var(--gray-light); pointer-events: none; }

/* ---------- 18. 表单（contact 三件套） ---------- */
.yc-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.yc-field { display: flex; flex-direction: column; gap: 8px; }
.yc-field--full { grid-column: 1 / -1; }
.yc-field label { font-size: 14px; font-weight: 700; color: var(--ink); }
.yc-field input, .yc-field textarea { font-family: inherit; font-size: 15px; color: var(--ink); background: var(--paper); border: 1.5px solid var(--text-light); border-radius: var(--r); padding: 12px 14px; transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.yc-field input:focus, .yc-field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px rgba(224, 163, 46, .16); }
.yc-field textarea { resize: vertical; min-height: 130px; }
.yc-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }   /* 蜜罐 */
.yc-flash { padding: 14px 18px; border-radius: var(--r); margin-bottom: 20px; font-size: 15px; font-weight: 600; }
.yc-flash--ok { background: rgba(23, 162, 176, .12); color: var(--teal-deep); border: 1px solid rgba(23, 162, 176, .35); }
.yc-flash--err { background: rgba(224, 87, 138, .1); color: #a12a56; border: 1px solid rgba(224, 87, 138, .3); }
.yc-contact-lines { display: flex; flex-direction: column; gap: 18px; }
.yc-contact-line { display: flex; gap: 14px; align-items: flex-start; }
.yc-contact-line .ci { flex: none; width: 44px; height: 44px; border-radius: var(--r); display: grid; place-items: center; background: linear-gradient(135deg, rgba(224, 163, 46, .16), rgba(23, 162, 176, .12)); color: var(--gold-ink); }
.yc-contact-line strong { display: block; font-size: 13.5px; color: var(--text-light); font-weight: 600; }
.yc-contact-line a, .yc-contact-line .val { font-size: 16.5px; font-weight: 800; color: var(--ink); }
.yc-contact-line a:hover { color: var(--gold-ink); }

/* ---------- 19. county / sitemap / search / 404 ---------- */
.yc-county-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.yc-county { display: block; padding: 20px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh-soft); text-align: center; color: var(--ink); font-weight: 700; text-decoration: none; transition: transform var(--dur-fast) var(--ease-vast), box-shadow var(--dur-fast), background var(--dur-fast); }
.yc-county:hover { transform: translateY(-5px); box-shadow: var(--sh-card); background: var(--gold); color: var(--brine); }
.yc-county small { display: block; font-weight: 500; font-size: 12.5px; color: var(--text-light); margin-top: 6px; }
.yc-county:hover small { color: rgba(11, 34, 38, .8); }
.yc-sitemap-col { margin-bottom: 26px; }
.yc-sitemap-col > h3 { font-size: 18px; color: var(--gold-ink); padding-bottom: 10px; border-bottom: 2px solid var(--salt-2); margin-bottom: 12px; }
.yc-sitemap-links a { display: inline-block; margin: 5px 16px 5px 0; color: var(--ink); font-size: 14.5px; text-decoration: none; }
.yc-sitemap-links a:hover { color: var(--gold-ink); }
.yc-sitemap-sub { margin-left: 16px; padding-left: 16px; border-left: 1px dashed var(--line-warm); }
.yc-search-bar { display: flex; gap: 12px; max-width: 620px; margin: 0 auto 40px; }
.yc-search-bar input { flex: 1; min-width: 0; padding: 14px 20px; border: 1.5px solid var(--text-light); border-radius: var(--r-pill); font-size: 16px; }
.yc-search-bar input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px rgba(224, 163, 46, .16); }
.yc-empty { text-align: center; padding: 56px 20px; color: var(--text-light); }
.yc-empty svg { color: var(--gray-light); margin: 0 auto 18px; }
.yc-empty p { margin-bottom: 20px; }
.yc-404 { text-align: center; padding: clamp(50px, 8vw, 92px) 0; }
.yc-404-num { font-size: clamp(88px, 19vw, 180px); font-weight: 800; line-height: .92; background: linear-gradient(135deg, var(--gold), var(--teal)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.yc-404-motif { color: var(--teal); max-width: 320px; margin: 8px auto 20px; }
.yc-404 h1 { font-size: 25px; margin-bottom: 10px; }
.yc-404 p { color: var(--text-light); margin-bottom: 24px; }
.yc-404-actions { display: flex; gap: 13px; justify-content: center; flex-wrap: wrap; }

/* ---------- 20. 页脚（dim8 A 4列，浅色） ---------- */
.yc-footer { position: relative; background: var(--salt-2); color: var(--ink); border-top: 1px solid var(--line-warm); }
.yc-footer-motif { display: block; color: var(--gold); }
.yc-footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; padding: 40px 22px 30px; max-width: var(--container); margin: 0 auto; }
.yc-footer-brand { min-width: 0; }
.yc-footer-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); margin-bottom: 14px; }
.yc-footer-logo svg { color: var(--gold); }
.yc-footer-logo strong { font-size: 18px; }
.yc-footer-word { font-size: 17px; font-weight: 800; color: var(--gold-ink); margin-bottom: 12px; }
.yc-footer-contact { display: flex; flex-direction: column; gap: 9px; }
.yc-footer-contact a { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 15px; font-weight: 600; }
.yc-footer-contact a:hover { color: var(--gold-ink); }
.yc-footer-col h4 { font-size: 15.5px; color: var(--ink); margin-bottom: 15px; }
.yc-footer-col a { display: block; color: var(--text-light); font-size: 14px; padding: 5px 0; text-decoration: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color var(--dur-fast), padding-left var(--dur-fast) var(--ease-vast); }
.yc-footer-col a:hover { color: var(--gold-ink); padding-left: 5px; }
.yc-footer-bottom { border-top: 1px solid var(--line-warm); background: var(--salt); }
.yc-copy { max-width: var(--container); margin: 0 auto; padding: 18px 22px; font-size: 13.5px; color: var(--text-light); display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }   /* §1.11.2 一行 flex-wrap */
.yc-copy a { color: var(--text-light); text-decoration: none; }
.yc-copy a:hover { color: var(--gold-ink); }

/* ---------- 21. 悬浮客服 §1.7（品牌固定色） ---------- */
.zfkf { position: fixed; right: 18px; bottom: 24px; z-index: 200; }
.zfkf-btns { display: flex; flex-direction: column; gap: 10px; }
.zfkf-btn { position: relative; width: 52px; height: 52px; border: 0; border-radius: 14px; display: grid; place-items: center; background: var(--paper); color: var(--zfkf-brand); box-shadow: 0 12px 28px -12px rgba(11, 34, 38, .55); text-decoration: none; transition: transform var(--dur-fast) var(--ease-vast), background var(--dur-fast), color var(--dur-fast); }
.zfkf-btn:hover { transform: translateY(-3px); background: var(--zfkf-brand); color: #fff; }
.zfkf-btn[hidden] { display: none; }
.zfkf-top { margin-top: 4px; }
.zfkf-panel[hidden] { display: none; }
.zfkf-panel { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; }
.zfkf-mask { position: absolute; inset: 0; background: rgba(11, 34, 38, .6); backdrop-filter: blur(3px); }
.zfkf-dialog { position: relative; width: min(330px, 90vw); background: var(--paper); border-radius: var(--r); padding: 30px 26px; text-align: center; box-shadow: var(--sh-lift); }
.zfkf-dialog h5 { font-size: 18px; color: var(--ink); margin: 0 0 18px; }
.zfkf-dialog img { width: 180px; height: 180px; margin: 0 auto; border-radius: var(--r); object-fit: cover; background: var(--salt-2); border: 1px solid var(--line); }
.zfkf-nocode { color: var(--text-light); font-size: 14px; padding: 30px 0; }
.zfkf-dialog-close { position: absolute; right: 12px; top: 12px; width: 32px; height: 32px; border: 0; background: var(--salt-2); border-radius: 50%; color: var(--text-light); display: grid; place-items: center; }
.zfkf-dialog-close:hover { background: var(--gold); color: var(--brine); }

/* ---------- 22. 滚动入场（基础动效1） ---------- */
.yc-reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--ease-vast), transform .9s var(--ease-vast); }
.yc-reveal.is-visible { opacity: 1; transform: none; }   /* 类在 CSS 有定义（§2.5D 双向核对） */
.yc-reveal-stagger > * { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease-vast), transform .8s var(--ease-vast); }
.yc-reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.yc-reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .1s; }
.yc-reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .2s; }
.yc-reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .3s; }
.no-js .yc-reveal, .no-js .yc-reveal-stagger > * { opacity: 1 !important; transform: none !important; }

/* ---------- 23. 响应式（§2.10：≤992 / ≤640） ---------- */
@media (max-width: 1080px) {
  .yc-hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .yc-hero-visual { order: -1; min-height: 210px; }
  .yc-hero-visual svg { max-width: 300px; }
  .yc-hero-vtext { display: none; }
  .yc-layout2 { grid-template-columns: 1fr; }
  .yc-sidebar { position: static; }
  .yc-case-grid { grid-template-columns: repeat(2, 1fr); }
  .yc-cta-cards { grid-template-columns: 1fr; }
  .yc-vstrip { display: none; }
}
@media (max-width: 992px) {
  .yc-biz-grid { grid-template-columns: repeat(2, 1fr); }   /* §1.15-6 中屏折2列 */
  .yc-news { grid-template-columns: 1fr; }
  .yc-trust-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .yc-county-grid { grid-template-columns: repeat(3, 1fr); }
  .yc-footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
}
@media (max-width: 900px) {
  .yc-burger { display: block; margin-left: 12px; }
  .yc-nav { position: fixed; inset: 0 0 0 auto; width: min(320px, 85vw); z-index: 125; flex-direction: column; align-items: stretch; gap: 2px; background: var(--brine); padding: 78px 16px 30px; overflow-y: auto; margin: 0; transform: translateX(100%); transition: transform var(--dur) var(--ease-vast); box-shadow: -20px 0 60px -20px rgba(0, 0, 0, .7); }
  .yc-nav.is-open { transform: translateX(0); }
  .yc-nav-link { justify-content: space-between; width: 100%; min-height: 44px; padding: 12px 14px; border-radius: var(--r-sm); }   /* ≥44px 触控 */
  .yc-nav-link.is-active::after { display: none; }
  .yc-nav-link.is-active { background: rgba(224, 163, 46, .14); }
  .yc-drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: rgba(255, 255, 255, .05); display: none; padding: 4px 8px; }
  .yc-nav-item.is-open .yc-drop { display: block; }
  .yc-nav-item.is-open .yc-caret { transform: rotate(180deg); }
  .yc-drop a { color: #dce9ea; }
  .yc-drop a:hover { background: rgba(224, 163, 46, .14); color: var(--gold-bright); }
  .yc-nav-cta { margin: 12px 0 0; text-align: center; }
  .yc-tel-btn { order: -1; }
}
@media (max-width: 640px) {
  :root { --sec: 64px; }
  .yc-biz-grid { grid-template-columns: 1fr; }   /* §1.15-6 小屏折1列 */
  .yc-trust-grid { grid-template-columns: 1fr; }
  .yc-stat { border-left: 0; border-top: 1px solid rgba(224, 163, 46, .3); padding: 14px 0 0; }
  .yc-case-grid { grid-template-columns: 1fr; }
  .yc-county-grid { grid-template-columns: repeat(2, 1fr); }
  .yc-form-grid { grid-template-columns: 1fr; }
  .yc-art-row { flex-direction: column; }
  .yc-art-thumb { width: 100%; }
  .yc-related { grid-template-columns: 1fr; }
  .yc-pn { grid-template-columns: 1fr; }
  .yc-pn .next { text-align: left; }
  .yc-footer-grid { grid-template-columns: 1fr; }
  .yc-cta-inline { flex-direction: column; text-align: center; }
  .yc-copy { justify-content: center; text-align: center; }
  .zfkf { right: 12px; bottom: 16px; }
  .zfkf-btn { width: 46px; height: 46px; }
  .yc-news-item-date { width: 46px; }
}

/* ---------- 24. 降级：prefers-reduced-motion（§2.5D：关装饰动效，不动显隐/轮播） ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .yc-reveal, .yc-reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  .yc-hero-title .yc-ch { opacity: 1 !important; transform: none !important; }
  .yc-draw { stroke-dashoffset: 0 !important; }
  .yc-float { animation: none !important; }
  /* 轮播显隐由 .is-active 控制，不在此关闭（内容轮替属信息切换） */
}

/* ===== 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}
: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) ul,: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) ol{margin:0 0 1.05em;padding-left:1.7em}
: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) li{margin:.35em 0;line-height:1.8}
: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) img{max-width:100%;height:auto;border-radius:8px}
: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) figure{margin:1.2em 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) figcaption{margin-top:.5em;font-size:.85em;opacity:.7;text-align:center}
: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) blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid currentColor;opacity:.85}
: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) table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96em}
: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) th,: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) td{border:1px solid rgba(127,127,127,.3);padding:.5em .75em;text-align:left}
: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) th{font-weight:700;background:rgba(127,127,127,.06)}
: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) hr{margin:1.6em 0;border:0;border-top:1px solid rgba(127,127,127,.28)}
: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) pre{overflow:auto;padding:.8em 1em;border-radius:8px;background:rgba(127,127,127,.1);font-size:.92em}
: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) code{font-size:.94em}
: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) strong,: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) b{font-weight:700}
:where(.rich-text) ul{list-style:disc}
:where(.rich-text) ol{list-style:decimal}
:where(.rich-text) a{text-decoration:underline;text-underline-offset:3px}

/* ===== tz-footer-legal (auto-appended) ===== */
.zf-legal-line a{color:inherit;text-decoration:none;opacity:.92}
.zf-legal-line a:hover{opacity:1;text-decoration:underline;text-underline-offset:3px}
.zf-legal-line .zf-legal-all{font-weight:600}
.zf-legal-line .zf-legal-copy{opacity:.95}
.zf-legal-line .zf-legal-addr{opacity:.82}
.zf-legal-line .zf-legal-police{text-decoration:none}
@media (max-width:640px){.zf-legal-line{column-gap:.55em;line-height:1.7}}