/* ============================================================
   lingee.cloud · 设计系统 (科技蓝紫渐变)
   作者：佛山行云管理软件有限公司
   ============================================================ */

:root {
  /* 品牌色 */
  --primary: #4f46e5;        /* 靛蓝 */
  --primary-dark: #4338ca;
  --violet: #7c3aed;         /* 紫 */
  --cyan: #06b6d4;           /* 青 */
  --cyan-light: #22d3ee;

  /* 中性色 */
  --ink: #0f172a;            /* 主文字 */
  --ink-2: #1e293b;
  --muted: #64748b;          /* 次文字 */
  --muted-2: #94a3b8;
  --line: #e2e8f0;           /* 分隔线 */
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-soft-2: #f1f5f9;

  /* 深色区块 */
  --dark: #0b1020;
  --dark-2: #131a33;
  --dark-3: #1e1b4b;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #4f46e5 0%, #7c3aed 55%, #06b6d4 120%);
  --grad-brand-soft: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --grad-dark: linear-gradient(160deg, #0b1020 0%, #1e1b4b 100%);

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --shadow: 0 10px 30px -12px rgba(79, 70, 229, .25), 0 4px 12px rgba(15, 23, 42, .06);
  --shadow-lg: 0 30px 60px -20px rgba(49, 46, 129, .35);

  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1200px;
  --nav-h: 68px;

  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-sm { padding: 64px 0; }

/* ---------- 文字工具 ---------- */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(79, 70, 229, .08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
h1, h2, h3, h4 { line-height: 1.25; font-weight: 800; letter-spacing: -.01em; }
.h-hero { font-size: clamp(34px, 5vw, 60px); line-height: 1.12; }
.h-sec { font-size: clamp(28px, 3.4vw, 42px); }
.h-sub { font-size: clamp(20px, 2.4vw, 26px); }
.lead { font-size: clamp(16px, 1.4vw, 19px); color: var(--muted); }
.muted { color: var(--muted); }
.text-gradient {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.center { text-align: center; }
.glass { backdrop-filter: blur(10px); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px;
  padding: 13px 26px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { box-shadow: var(--shadow-lg); }
.btn-ghost { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.25); }
.btn-ghost:hover { background: rgba(255,255,255,.18); }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-outline:hover { border-color: var(--primary); }
.btn-dark { background: var(--ink); color: #fff; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 19px; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; background: var(--grad-brand); display: grid; place-items: center; color: #fff; font-weight: 900; box-shadow: var(--shadow-sm); }
.brand .logo svg { width: 22px; height: 22px; }
.brand small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: .04em; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 15px; font-weight: 600; color: var(--ink-2);
  transition: background .15s ease, color .15s ease;
}
.nav-links a:hover { background: var(--bg-soft-2); color: var(--primary); }
.nav-links a.active { color: var(--primary); background: rgba(79,70,229,.08); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 42px; height: 42px; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 3px auto; border-radius: 2px; transition: .2s; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--grad-dark); color: #fff; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 60% at 78% 18%, rgba(124,58,237,.45), transparent 60%),
    radial-gradient(50% 50% at 12% 90%, rgba(6,182,212,.32), transparent 60%);
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding: 88px 0 96px; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(226,232,240,.82); }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  color: #c7d2fe; background: rgba(124,58,237,.18); border: 1px solid rgba(124,58,237,.35);
  padding: 7px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-light); box-shadow: 0 0 0 4px rgba(34,211,238,.25); }

/* Hero 视觉卡片 */
.hero-visual { position: relative; }
.glass-card {
  background: linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 22px; padding: 26px; color: #fff;
  box-shadow: 0 30px 60px -24px rgba(0,0,0,.6);
}
.mode-pill { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); margin-bottom: 12px; }
.mode-pill .ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--grad-brand-soft); flex: none; }
.mode-pill .ic svg { width: 22px; height: 22px; }
.mode-pill b { font-size: 15px; }
.mode-pill span { display: block; font-size: 12.5px; color: rgba(226,232,240,.7); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card .ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-brand-soft); color: #fff; margin-bottom: 18px;
}
.card .ic svg { width: 26px; height: 26px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }

/* 编号卡 */
.num-card { position: relative; overflow: hidden; }
.num-card .num {
  position: absolute; right: 18px; top: 6px; font-size: 64px; font-weight: 900;
  color: rgba(79,70,229,.07); line-height: 1;
}

/* ---------- 区块标题 ---------- */
.sec-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.sec-head .lead { margin-top: 14px; }

/* ---------- 深色特性区 ---------- */
.dark-sec { background: var(--grad-dark); color: #fff; position: relative; overflow: hidden; }
.dark-sec::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(40% 50% at 85% 10%, rgba(6,182,212,.22), transparent 60%);
}
.dark-sec .container { position: relative; z-index: 1; }
.dark-sec .eyebrow { background: rgba(124,58,237,.22); color: #c7d2fe; }
.dark-sec .lead { color: rgba(226,232,240,.8); }
.dark-sec .card { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); }
.dark-sec .card h3 { color: #fff; }
.dark-sec .card p { color: rgba(226,232,240,.72); }

/* ---------- 价值条 / 数据 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 12px; }
.stat .n { font-size: clamp(30px, 4vw, 46px); font-weight: 900; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .l { color: var(--muted); font-size: 14.5px; margin-top: 4px; }

/* ---------- 六层架构 ---------- */
.arch { display: grid; gap: 18px; }
.arch-row {
  display: grid; grid-template-columns: 56px 1fr; gap: 20px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; position: relative; overflow: hidden;
}
.arch-row::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--grad-brand); }
.arch-row .lv { width: 56px; height: 56px; border-radius: 14px; background: var(--grad-brand-soft); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 20px; }
.arch-row h4 { font-size: 17px; }
.arch-row p { color: var(--muted); font-size: 14.5px; margin-top: 4px; }

/* ---------- 时间线 ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--primary), var(--cyan)); }
.tl-item { position: relative; padding: 0 0 34px 30px; }
.tl-item::before { content: ""; position: absolute; left: -25px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--primary); box-shadow: 0 0 0 4px rgba(79,70,229,.12); }
.tl-item .yr { font-weight: 800; color: var(--primary); font-size: 15px; }
.tl-item h4 { font-size: 17px; margin: 4px 0 6px; }
.tl-item p { color: var(--muted); font-size: 14.5px; }

/* ---------- 资质荣誉 ---------- */
.badges { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.badge {
  display: flex; align-items: center; gap: 14px; padding: 20px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
}
.badge .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--grad-brand-soft); color: #fff; display: grid; place-items: center; flex: none; }
.badge .ic svg { width: 24px; height: 24px; }
.badge b { font-size: 15px; }
.badge span { display: block; font-size: 13px; color: var(--muted); }

/* ---------- 案例 ---------- */
.case {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; display: grid; grid-template-columns: 1fr 1.3fr;
}
.case + .case { margin-top: 28px; }
.case .case-side { background: var(--grad-dark); color: #fff; padding: 34px; position: relative; overflow: hidden; }
.case .case-side::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at 80% 10%, rgba(6,182,212,.3), transparent 60%); }
.case .case-side > * { position: relative; z-index: 1; }
.case .tag { font-size: 12.5px; font-weight: 700; color: #0b1020; background: var(--cyan-light); padding: 5px 12px; border-radius: 999px; display: inline-block; margin-bottom: 16px; }
.case .case-side h3 { font-size: 23px; }
.case .case-side .meta { margin-top: 18px; font-size: 14px; color: rgba(226,232,240,.75); }
.case .case-body { padding: 34px; }
.case .case-body h4 { font-size: 15px; color: var(--primary); margin: 18px 0 8px; }
.case .case-body h4:first-child { margin-top: 0; }
.case .case-body p { color: var(--muted); font-size: 14.5px; }
.case .result { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 18px; }
.case .result .r b { font-size: 26px; font-weight: 900; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.case .result .r span { font-size: 13px; color: var(--muted); }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-thumb { height: 150px; background: var(--grad-brand); position: relative; overflow: hidden; }
.news-thumb::after { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 80% 20%, rgba(6,182,212,.4), transparent 60%); }
.news-thumb .cat { position: absolute; left: 16px; top: 16px; z-index: 1; font-size: 12px; font-weight: 700; background: rgba(255,255,255,.92); color: var(--primary); padding: 4px 11px; border-radius: 999px; }
.news-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.news-body .date { font-size: 13px; color: var(--muted-2); }
.news-body h3 { font-size: 17px; margin: 8px 0 10px; }
.news-body p { color: var(--muted); font-size: 14px; flex: 1; }
.news-body .more { margin-top: 14px; font-weight: 700; color: var(--primary); font-size: 14px; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field textarea, .field select {
  font-family: inherit; font-size: 15px; padding: 13px 15px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff; color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79,70,229,.12); }
.field textarea { min-height: 120px; resize: vertical; }

/* ---------- 联系信息卡 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: start; }
.info-list { display: grid; gap: 16px; }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-item .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-brand-soft); color: #fff; display: grid; place-items: center; flex: none; }
.info-item .ic svg { width: 22px; height: 22px; }
.info-item b { font-size: 15px; display: block; }
.info-item span { color: var(--muted); font-size: 14px; }

/* ---------- 微信二维码咨询卡 ---------- */
.qr-wrapper {
  display: inline-flex; flex-direction: column; align-items: center; gap: 16px;
  background: #f8fafc; border: 1px solid var(--line); border-radius: 20px;
  padding: 28px 24px 20px;
}
.qr-wrapper img {
  width: 220px; height: 220px; border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.qr-tip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--muted); font-weight: 500;
}
.qr-tip svg { color: #07c160; flex: none; }
.qr-extra {
  margin-top: 22px; padding-top: 18px;
  border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px;
}
.qr-contact-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--ink);
}
.qr-contact-row svg { color: var(--primary); flex: none; opacity: .7; }

/* ---------- 品牌声明 ---------- */
.disclaimer {
  background: var(--bg-soft); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 22px 26px; font-size: 14px; color: var(--muted); display: flex; gap: 14px; align-items: flex-start;
}
.disclaimer .ic { color: var(--primary); flex: none; margin-top: 2px; }
.disclaimer b { color: var(--ink-2); }

/* ---------- CTA 区 ---------- */
.cta-band { background: var(--grad-brand); color: #fff; border-radius: var(--radius-lg); padding: 56px; text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 85% 10%, rgba(255,255,255,.18), transparent 60%); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.88); margin: 12px auto 28px; max-width: 600px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: rgba(226,232,240,.78); padding: 64px 0 28px; }
.footer .f-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer .brand { color: #fff; margin-bottom: 16px; }
.footer .brand small { color: rgba(226,232,240,.6); }
.footer p.desc { font-size: 14px; max-width: 320px; }
.footer h5 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer .f-links a { display: block; font-size: 14px; padding: 6px 0; color: rgba(226,232,240,.7); transition: color .15s ease; }
.footer .f-links a:hover { color: #fff; }
.footer .f-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: rgba(226,232,240,.55); }
.footer .f-bottom .beian { flex-basis: 100%; color: rgba(226,232,240,.72); }
.footer .f-bottom .beian a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.35); padding-bottom: 1px; transition: border-color .15s ease, color .15s ease; }
.footer .f-bottom .beian a:hover { color: var(--cyan-light); border-color: var(--cyan-light); }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .case { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer .f-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px; gap: 2px; box-shadow: var(--shadow);
  }
  .nav.open .nav-links a { width: 100%; }
  .section { padding: 60px 0; }
  .grid-2, .grid-3, .grid-4, .news-grid, .form-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 40px 24px; }
  .footer .f-top { grid-template-columns: 1fr; }
}

/* ============================================================
   首页 Hero 大图轮播
   ============================================================ */
.hero-carousel { height: calc(100vh - var(--nav-h)); height: calc(100svh - var(--nav-h)); }
.hero-carousel .slides { position: absolute; inset: 0; }
.hero-carousel .slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transform: scale(1);
  transition: opacity 1s ease, transform 6s ease, visibility 1s;
  background-size: cover; background-position: center;
  display: flex; align-items: center;
}
.hero-carousel .slide.is-active { opacity: 1; visibility: visible; transform: scale(1.06); }
/* 暗化蒙版，保证文字可读（左侧保留暗化，颜色更鲜明） */
.hero-carousel .slide::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(95deg, rgba(8,11,24,.62) 0%, rgba(8,11,24,.34) 45%, rgba(8,11,24,.08) 100%);
}
/* 三张轮播大图：蓝 / 红 / 绿 三种渐变（参考 henangeo.cn 顶部三色轮播） */
.slide-1 { background:
  radial-gradient(55% 75% at 85% 12%, rgba(255,255,255,.20), transparent 55%),
  linear-gradient(120deg, #1d4ed8 0%, #2563eb 48%, #0ea5e9 100%); }
.slide-2 { background:
  radial-gradient(55% 75% at 85% 12%, rgba(255,255,255,.16), transparent 55%),
  linear-gradient(120deg, #b91c1c 0%, #dc2626 48%, #f97316 100%); }
.slide-3 { background:
  radial-gradient(55% 75% at 85% 12%, rgba(255,255,255,.16), transparent 55%),
  linear-gradient(120deg, #15803d 0%, #16a34a 48%, #10b981 100%); }

.hero-carousel .slide-content { position: relative; z-index: 2; width: 100%; max-width: 720px; }
.hero-carousel .slide-content .h-hero { color: #fff; font-size: clamp(36px, 5.2vw, 64px); }
.hero-carousel .slide-content .lead { color: rgba(226,232,240,.85); margin-top: 22px; }
.hero-carousel .slide-content .hero-actions { margin-top: 34px; }
.hero-carousel .slide-content .slide-modes { margin-top: 30px; }
/* 轮播高亮文字：纯浅色（白）+ 柔和投影，确保蓝/红/绿背景上清晰可读 */
.hero-carousel .text-gradient {
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: #ffffff;
  color: #ffffff;
  text-shadow: 0 2px 22px rgba(0,0,0,.40), 0 1px 3px rgba(0,0,0,.35);
}
.slide-modes { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; max-width: 600px; }
.slide-modes .mode-pill { flex: 1; min-width: 160px; margin-bottom: 0; }

.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer;
  border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.08);
  color: #fff; font-size: 26px; line-height: 1; display: grid; place-items: center;
  backdrop-filter: blur(6px); transition: background .15s ease;
}
.carousel-arrow:hover { background: rgba(255,255,255,.2); }
.carousel-arrow.prev { left: 22px; }
.carousel-arrow.next { right: 22px; }

.carousel-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 5; display: flex; gap: 10px; }
.carousel-dots .dot {
  width: 11px; height: 11px; border-radius: 999px; border: none; cursor: pointer; padding: 0;
  background: rgba(255,255,255,.4); transition: width .3s ease, background .3s ease;
}
.carousel-dots .dot.is-active { width: 30px; background: #fff; }

@media (max-width: 720px) {
  .hero-carousel { height: calc(100vh - var(--nav-h)); height: calc(100svh - var(--nav-h)); }
  .carousel-arrow { display: none; }
  .hero-carousel .slide-content .h-hero { font-size: 30px; }
  .hero-carousel .slide-content { max-width: 100%; }
  .slide-modes { display: none; }
}