/* 华景云 · 简约大气设计系统 */
:root {
  --brand: #2f8f5b;
  --brand-dark: #246f47;
  --brand-light: #eaf5ee;
  --accent: #1f7a8c;
  --gold: #b98b45;
  --ink: #1a1f1c;
  --ink-2: #3d4740;
  --muted: #7b857f;
  --line: #e6ebe8;
  --bg: #ffffff;
  --bg-soft: #f6f9f7;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 2px 12px rgba(26, 31, 28, .06);
  --shadow-lg: 0 12px 40px rgba(26, 31, 28, .10);
  --max: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.01em; line-height: 1.35; }
p { margin: 0 0 1em; }
ul { margin: 0; padding-left: 1.2em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: .04em; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--accent) 100%);
  color: #fff; display: grid; place-items: center; font-size: 17px; font-weight: 700;
}
.logo-sub { font-size: 12px; color: var(--muted); font-weight: 500; letter-spacing: .06em; }
.nav-menu { display: flex; gap: 4px; margin-left: auto; }
.nav-menu a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px; color: var(--ink-2);
  transition: background .18s, color .18s;
}
.nav-menu a:hover { background: var(--bg-soft); color: var(--brand); }
.nav-menu a.active { color: var(--brand); background: var(--brand-light); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; border-radius: 10px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer; transition: all .18s;
  background: var(--brand); color: #fff;
}
.btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-ghost { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn-ghost:hover { background: var(--brand-light); color: var(--brand-dark); }
.btn-outline { background: #fff; color: var(--ink-2); border-color: var(--line); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #f2f9f5 0%, #eef7f8 55%, #ffffff 100%);
  padding: 84px 0 72px;
}
.hero::after {
  content: ''; position: absolute; right: -140px; top: -120px;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 143, 91, .14), transparent 65%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.25; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero p.lead { font-size: 17px; color: var(--ink-2); max-width: 520px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 24px; margin-top: 36px; flex-wrap: wrap; }
.hero-badge b { display: block; font-size: 22px; color: var(--brand); }
.hero-badge span { font-size: 13px; color: var(--muted); }
.hero-art {
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  background: #fff; border: 1px solid var(--line);
}
.hero-art img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }

/* ---------- 区块 ---------- */
.section { padding: 92px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.015em; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 16px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  color: var(--brand); background: var(--brand-light); padding: 5px 12px;
  border-radius: 999px; margin-bottom: 14px;
}

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

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #d7e5db; }
.card-media { aspect-ratio: 1/1; background: var(--bg-soft); overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-media img { transform: scale(1.04); }
.card-body { padding: 18px 20px 22px; }
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; min-height: 44px; }
.card-desc { font-size: 14px; color: var(--muted); min-height: 44px; margin-bottom: 14px; }
.price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 14px; }
.price b { font-size: 22px; color: #d93a3a; }
.price b::before { content: '¥'; font-size: 14px; margin-right: 1px; }
.price del { font-size: 13px; color: var(--muted); }

/* ---------- 特色 ---------- */
.feature { padding: 32px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); }
/* 国际风：编号替代图标 */
.feature-num {
  font-size: 12px; font-weight: 600; letter-spacing: .2em;
  color: var(--brand); margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.feature-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--brand-light);
  display: grid; place-items: center; font-size: 22px; margin-bottom: 16px;
}
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------- 文章 ---------- */
.post { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.post:last-child { border-bottom: none; }
.post-media { width: 180px; height: 120px; border-radius: var(--radius); overflow: hidden; flex: none; background: var(--bg-soft); }
.post-media img { width: 100%; height: 100%; object-fit: cover; }
.post-body h3 { font-size: 17px; margin-bottom: 8px; }
.post-body p { font-size: 14px; color: var(--muted); margin-bottom: 8px; }
.post-meta { font-size: 13px; color: var(--muted); display: flex; gap: 14px; }

/* ---------- FAQ 折叠 ---------- */
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq-q { padding: 16px 20px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-q:hover { background: var(--bg-soft); }
.faq-q::after { content: '+'; color: var(--brand); font-size: 20px; font-weight: 700; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { padding: 0 20px 18px; color: var(--ink-2); font-size: 15px; display: none; }
.faq-item.open .faq-a { display: block; }

/* ---------- 页脚 ---------- */
.footer { background: #16211b; color: #c9d5cd; padding: 56px 0 28px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer a, .footer p { font-size: 14px; color: #9fb0a6; }
.footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px; color: #7d8f84; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}

/* ---------- 表单 ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.input, .select, .textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: #fff; color: var(--ink);
  transition: border-color .18s, box-shadow .18s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(47, 143, 91, .12);
}
.textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- 提示 ---------- */
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #fdecec; color: #a12626; border: 1px solid #f7cfcf; }
.alert-ok { background: var(--brand-light); color: var(--brand-dark); border: 1px solid #cbe8d6; }
.alert-info { background: #eef6fa; color: #1f5c73; border: 1px solid #cfe6f0; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: var(--bg-soft); font-weight: 600; color: var(--ink-2); }
td { color: var(--ink-2); }
tbody tr:hover { background: #fafcfb; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.tag-ok { background: var(--brand-light); color: var(--brand-dark); }
.tag-warn { background: #fdf3e3; color: #97631a; }
.tag-muted { background: #f0f2f1; color: var(--muted); }
.tag-danger { background: #fdecec; color: #a12626; }

/* ---------- 面包屑 / 页头 ---------- */
.page-head { background: linear-gradient(135deg, #f2f9f5, #eef7f8); padding: 48px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: 34px; margin-bottom: 10px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.crumb a:hover { color: var(--brand); }

/* ---------- 详情 ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.detail-media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--bg-soft); }
.detail-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.detail-title { font-size: 28px; margin-bottom: 12px; }
.content-box { font-size: 15.5px; line-height: 1.9; color: var(--ink-2); }
.content-box h2 { font-size: 22px; margin: 28px 0 12px; color: var(--ink); }
.content-box h3 { font-size: 18px; margin: 22px 0 10px; color: var(--ink); }
.content-box img { border-radius: var(--radius); margin: 12px 0; }
.content-box ul { margin-bottom: 1em; }

/* ---------- 会员中心 ---------- */
.member-layout { display: grid; grid-template-columns: 240px 1fr; gap: 32px; align-items: start; }
.side-nav { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 12px; position: sticky; top: 88px; }
.side-nav a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2); }
.side-nav a:hover { background: var(--bg-soft); }
.side-nav a.active { background: var(--brand-light); color: var(--brand-dark); font-weight: 600; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.stat b { display: block; font-size: 24px; color: var(--brand); line-height: 1.4; }
.stat span { font-size: 13px; color: var(--muted); }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 24px; }
.panel h3 { font-size: 17px; margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; }
.auth-wrap { max-width: 420px; margin: 60px auto; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.auth-card h2 { font-size: 22px; margin-bottom: 20px; text-align: center; }
.auth-switch { text-align: center; margin-top: 16px; font-size: 14px; color: var(--muted); }
.auth-switch a { color: var(--brand); font-weight: 600; cursor: pointer; }
.invite-box { background: var(--brand-light); border: 1px dashed var(--brand); border-radius: var(--radius); padding: 14px 16px; font-size: 14px; }
.invite-box code { font-weight: 700; color: var(--brand-dark); font-size: 16px; letter-spacing: .06em; }

/* ---------- 后台 ---------- */
.admin { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; background: var(--bg-soft); }
.admin-side { background: #16211b; color: #c9d5cd; padding: 18px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.admin-brand { padding: 6px 20px 18px; display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); margin-bottom: 12px; }
.admin-group { padding: 10px 12px 4px; font-size: 11px; letter-spacing: .1em; color: #6f8178; text-transform: uppercase; }
.admin-side a {
  display: flex; align-items: center; gap: 10px; padding: 9px 20px; font-size: 14px;
  color: #c9d5cd; border-left: 3px solid transparent; cursor: pointer;
}
.admin-side a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.admin-side a.active { background: rgba(47, 143, 91, .18); color: #fff; border-left-color: var(--brand); font-weight: 600; }
.admin-main { padding: 22px 28px 60px; min-width: 0; }
.admin-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.admin-top h2 { font-size: 22px; }
.admin-top .who { font-size: 13.5px; color: var(--muted); }
.admin-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 22px; margin-bottom: 20px; }
.admin-card h3 { font-size: 16px; margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .input, .toolbar .select { width: auto; min-width: 150px; padding: 8px 12px; font-size: 14px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 20px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px 20px; }
.kpi span { font-size: 13px; color: var(--muted); display: block; }
.kpi b { font-size: 26px; line-height: 1.5; }
.modal-mask { position: fixed; inset: 0; background: rgba(16, 24, 19, .5); display: none; z-index: 100; overflow-y: auto; padding: 40px 16px; }
.modal-mask.show { display: block; }
.modal { background: #fff; border-radius: var(--radius-lg); max-width: 720px; margin: 0 auto; box-shadow: var(--shadow-lg); }
.modal-head { padding: 18px 24px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.modal-head h3 { font-size: 17px; }
.modal-body { padding: 24px; max-height: 62vh; overflow-y: auto; }
.modal-foot { padding: 16px 24px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; }
.close-x { cursor: pointer; font-size: 22px; color: var(--muted); background: none; border: none; line-height: 1; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #eef6f1, #e8f2f4); padding: 24px; }
.login-card { width: 100%; max-width: 400px; background: #fff; border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-lg); }
.login-card h1 { font-size: 24px; text-align: center; margin-bottom: 6px; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid, .detail-grid, .member-layout { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .kpi-grid, .stat-grid, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .admin { grid-template-columns: 1fr; }
  .admin-side { position: static; height: auto; }
  .hero h1 { font-size: 34px; }
}
@media (max-width: 640px) {
  .grid-3, .grid-4, .kpi-grid, .stat-grid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .section { padding: 48px 0; }
}

/* =====================================================================
   全屏轮播投屏 · 简约国际风（首页 Hero）
   结构：.sshow > .ss-track > .ss-slide > .ss-inner(.container) > .ss-copy + .ss-visual
   ===================================================================== */
.sshow {
  position: relative;
  height: calc(100vh - 68px);
  min-height: 600px;
  max-height: 880px;
  overflow: hidden;
  background: var(--bg);
  --ss-accent: var(--brand);
}
.ss-track { position: relative; height: 100%; }

.ss-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .85s ease, visibility .85s;
}
.ss-slide.active { opacity: 1; visibility: visible; }

/* 背景：柔和渐变 + 几何光晕（国际风留白） */
.ss-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ss-bg, linear-gradient(120deg, #f2f9f5 0%, #ffffff 60%));
}
.ss-slide::after {
  content: '';
  position: absolute;
  right: -10%;
  top: 50%;
  width: 62vh;
  height: 62vh;
  transform: translateY(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--ss-glow, rgba(47,143,91,.14)), transparent 68%);
  pointer-events: none;
}

.ss-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 92px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 40px;
  align-items: center;
}

/* ---------- 文案 ---------- */
.ss-copy > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s ease, transform .75s cubic-bezier(.2, .7, .3, 1);
}
.ss-slide.active .ss-copy > * { opacity: 1; transform: none; }
.ss-slide.active .ss-copy > *:nth-child(1) { transition-delay: .10s; }
.ss-slide.active .ss-copy > *:nth-child(2) { transition-delay: .20s; }
.ss-slide.active .ss-copy > *:nth-child(3) { transition-delay: .30s; }
.ss-slide.active .ss-copy > *:nth-child(4) { transition-delay: .40s; }

.ss-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ss-accent);
  margin-bottom: 22px;
}
.ss-eyebrow .idx { color: var(--muted); margin-right: 12px; font-weight: 500; }

.ss-title {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--ink);
}
.ss-title em { font-style: normal; color: var(--ss-accent); }

.ss-desc {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 470px;
  margin-bottom: 32px;
}

.ss-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 视觉 ---------- */
.ss-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.ss-visual img {
  width: 100%;
  max-width: 460px;
  max-height: 52vh;
  object-fit: contain;
  opacity: 0;
  transform: scale(.94);
  transition: opacity .9s ease .15s, transform 1.1s cubic-bezier(.2, .7, .3, 1) .15s;
  filter: drop-shadow(0 24px 48px rgba(26, 31, 28, .10));
}
.ss-slide.active .ss-visual img { opacity: 1; transform: scale(1); }

/* ---------- 控制条 ---------- */
.ss-ui {
  position: absolute;
  left: 0; right: 0; bottom: 34px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.ss-dots { display: flex; gap: 10px; }
.ss-dot {
  width: 26px; height: 3px;
  border: 0; padding: 0;
  border-radius: 2px;
  background: rgba(26, 31, 28, .16);
  cursor: pointer;
  transition: width .35s ease, background .35s ease;
}
.ss-dot:hover { background: rgba(26, 31, 28, .32); }
.ss-dot.active { width: 46px; background: var(--ss-accent); }

.ss-arrow {
  width: 42px; height: 42px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(26, 31, 28, .12);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(8px);
  color: var(--ink-2);
  cursor: pointer;
  transition: background .25s, border-color .25s, transform .25s;
}
.ss-arrow:hover { background: #fff; border-color: var(--ss-accent); color: var(--ss-accent); transform: scale(1.06); }
.ss-arrow svg { width: 16px; height: 16px; }

.ss-count {
  position: absolute;
  right: 24px;
  bottom: 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .1em;
  font-variant-numeric: tabular-nums;
}
.ss-count b { color: var(--ink); font-size: 15px; }

/* ---------- 进度条 ---------- */
.ss-bar {
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 3px;
  background: rgba(26, 31, 28, .06);
  z-index: 3;
}
.ss-bar > i {
  display: block; height: 100%; width: 0;
  background: var(--ss-accent);
}
@keyframes ss-progress { from { width: 0; } to { width: 100%; } }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .sshow { height: auto; min-height: 0; max-height: none; }
  .ss-track { height: 600px; }
  .ss-inner {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 0 24px 96px;
    text-align: center;
    justify-items: center;
  }
  .ss-copy { display: flex; flex-direction: column; align-items: center; }
  .ss-desc { max-width: 520px; }
  .ss-actions { justify-content: center; }
  .ss-visual { max-height: 240px; }
  .ss-visual img { max-height: 220px; }
  .ss-slide::after { width: 46vh; height: 46vh; right: -20%; opacity: .7; }
}
@media (max-width: 640px) {
  .ss-track { height: 560px; }
  .ss-ui { bottom: 26px; gap: 12px; }
  .ss-arrow { display: none; }
  .ss-count { right: 16px; }
}

/* 尊重系统「减少动效」 */
@media (prefers-reduced-motion: reduce) {
  .ss-slide, .ss-copy > *, .ss-visual img { transition-duration: .01ms !important; }
}