/* ============================================================
   QSFrame 官网首页样式
   复用 admin.css 的 :root CSS 变量（--primary/--grad 等）
   ============================================================ */
:root {
  --primary: #4f6bf5;
  --primary-2: #7a5af8;
  --grad: linear-gradient(135deg, #4f6bf5 0%, #7a5af8 100%);
  --grad-deep: linear-gradient(160deg, #101828 0%, #1b2444 60%, #2a1e5c 100%);
  --bg: #f3f5fa;
  --card: #ffffff;
  --line: #e9edf5;
  --text: #1b2437;
  --muted: #8a94a8;
  --ok: #16a34a;
  --warn: #d97706;
  --danger: #e5484d;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.06);
  --shadow-lg: 0 12px 32px -8px rgba(16,24,40,.18);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.site-body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-2); }
img { max-width: 100%; }

.site-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 预览模式 ===== */
.preview-bar {
  position: sticky; top: 0; z-index: 100;
  background: var(--danger); color: #fff;
  padding: 8px 24px; font-size: 13px;
  display: flex; justify-content: center; align-items: center; gap: 16px;
}
.preview-bar a { color: #fff; text-decoration: underline; }
.preview-draft {
  position: relative; border: 2px dashed var(--danger) !important;
}
.draft-badge {
  position: absolute; top: 8px; right: 12px;
  background: var(--danger); color: #fff; font-size: 11px;
  padding: 2px 8px; border-radius: 4px; font-weight: 700;
}

/* ===== Hero ===== */
.site-hero {
  position: relative; min-height: 480px;
  background: var(--grad-deep);
  background-size: cover; background-position: center;
  display: flex; align-items: center; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
}
.site-hero[data-align="left"] {
  justify-content: flex-start; text-align: left;
}
.site-hero .hero-inner {
  padding: 80px 24px; position: relative; z-index: 2;
  max-width: 820px;
}
.site-hero .align-left { max-width: 640px; }
.hero-title {
  font-size: 42px; font-weight: 800; letter-spacing: -.5px;
  margin-bottom: 16px; line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.hero-subtitle {
  font-size: 19px; color: rgba(255,255,255,.82);
  margin-bottom: 28px; font-weight: 400;
}
.hero-cta {
  display: inline-block; padding: 14px 36px;
  background: #fff; color: var(--primary);
  border-radius: 10px; font-weight: 700; font-size: 16px;
  box-shadow: 0 8px 24px -6px rgba(0,0,0,.3);
  transition: transform .2s, box-shadow .2s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -6px rgba(0,0,0,.4);
  color: var(--primary-2);
}

/* ===== 价格促销（原价/折扣/角标） ===== */
.p-orig { color: var(--muted); font-size: .72em; text-decoration: line-through; margin-left: 8px; font-weight: 500; }
.p-disc { display: inline-block; margin-left: 8px; padding: 2px 9px; border-radius: 7px; background: #fee2e2; color: #dc2626; font-size: 12px; font-weight: 700; vertical-align: middle; }
.pcard-promo {
  position: absolute; top: 10px; right: 10px; z-index: 3;
  padding: 4px 10px; border-radius: 8px;
  background: linear-gradient(135deg, #f97316, #ef4444); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .5px;
  box-shadow: 0 4px 12px rgba(239,68,68,.35);
}
.p-promo-tag {
  display: inline-block; margin-left: 8px; padding: 3px 11px; border-radius: 8px;
  background: linear-gradient(135deg, #f97316, #ef4444); color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .5px; vertical-align: middle;
}
.pd-badge {
  position: absolute; top: 20px; right: -36px; z-index: 3;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff; font-size: 13px; font-weight: 700; letter-spacing: 3px;
  padding: 6px 42px; text-align: center;
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
}

/* ===== 产品页底部说明（购买须知） ===== */
.pfoot-block { display: flex; margin-bottom: 14px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.pfoot-label {
  flex: 0 0 140px; display: flex; align-items: center; justify-content: center;
  background: #dbeafe; color: #1e3a8a; font-size: 15px; font-weight: 700;
  padding: 22px 12px; text-align: center; letter-spacing: 2px;
}
.pfoot-rich { flex: 1; padding: 20px 26px; font-size: 14px; line-height: 1.9; color: var(--text); }
.pfoot-rich p { margin: 0 0 10px; }
.pfoot-rich p:last-child { margin-bottom: 0; }
.pfoot-rich strong { font-weight: 700; }
@media (max-width: 640px) {
  .pfoot-block { flex-direction: column; }
  .pfoot-label { flex: 0 0 auto; padding: 12px; }
  .pfoot-rich { padding: 16px 18px; }
}
.pdetail-facts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px;
  margin-top: 18px; padding: 14px 18px;
  background: var(--bg); border-radius: 10px;
}
.pfact { font-size: 13.5px; line-height: 1.6; }
.pfact-k { color: var(--muted); }
.pfact-v { color: var(--text); font-weight: 600; }

/* ===== Hero 数据统计条 ===== */
.hero-stats {
  display: flex; gap: 52px; flex-wrap: wrap;
  margin-top: 38px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stat { display: flex; flex-direction: column; gap: 5px; }
.hs-num { font-size: 32px; font-weight: 800; color: #fff; line-height: 1.1; letter-spacing: .5px; }
.hs-label { font-size: 13px; color: rgba(255,255,255,.65); }
@media (max-width: 768px) {
  .hero-stats { gap: 28px; margin-top: 26px; padding-top: 16px; }
  .hs-num { font-size: 24px; }
}

/* ===== 会员登录/注册 ===== */
.nav-member { display: inline-flex; align-items: center; gap: 10px; margin-left: 14px; padding-left: 16px; border-left: 1px solid var(--line); }
.nav-member-link { font-size: 14px; color: var(--text); font-weight: 500; }
.nav-member-btn { font-size: 13px; font-weight: 600; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); padding: 6px 16px; border-radius: 999px; }
.nav-member-out { font-size: 13px; color: var(--muted); }
.auth-body { min-height: 100vh; background: linear-gradient(160deg, #eef2ff 0%, #f8fafc 45%, #e0e7ff 100%); }
.auth-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 16px; }
.auth-back { align-self: flex-start; margin: 0 0 14px; font-size: 14px; color: var(--muted); }
.auth-back:hover { color: var(--primary); }
.auth-card { width: 100%; max-width: 420px; background: #fff; border-radius: 18px; box-shadow: 0 24px 64px -16px rgba(49,46,129,.18); padding: 36px 34px; }
.auth-brand { text-align: center; margin-bottom: 24px; }
.auth-logo { display: inline-block; font-size: 13px; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-radius: 999px; padding: 6px 18px; margin-bottom: 14px; }
.auth-brand h1 { font-size: 24px; margin-bottom: 6px; }
.auth-brand p { font-size: 13.5px; color: var(--muted); }
.auth-card .f-item { margin-bottom: 14px; }
.auth-btn { width: 100%; padding: 12px; font-size: 15px; margin-top: 6px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 14px; color: var(--muted); }
.auth-foot a { color: var(--primary); font-weight: 600; }
.alert { padding: 10px 14px; border-radius: 10px; font-size: 13.5px; margin-bottom: 14px; }
.alert-ok { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }
.alert-err { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.alert-info { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.me-list { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.me-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 18px; font-size: 14px; border-bottom: 1px solid var(--line); }
.me-row:last-child { border-bottom: 0; }
.me-k { color: var(--muted); flex: 0 0 auto; }
.me-v { color: var(--text); font-weight: 500; text-align: right; word-break: break-all; }

/* ===== 右侧客服悬浮 ===== */
.kf-float { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 900; display: flex; align-items: center; }
.kf-ball {
  width: 56px; height: 56px; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  box-shadow: 0 10px 26px -6px rgba(79,107,245,.55); transition: transform .2s;
}
.kf-ball:hover { transform: scale(1.08); }
.kf-ball svg { width: 22px; height: 22px; }
.kf-ball span { font-size: 11px; font-weight: 600; letter-spacing: 2px; }
.kf-panel {
  position: absolute; right: 68px; top: 50%; transform: translateY(-50%) translateX(12px);
  width: 240px; background: #fff; border-radius: 14px; padding: 16px;
  box-shadow: 0 20px 50px -12px rgba(15,23,42,.25); border: 1px solid var(--line);
  opacity: 0; visibility: hidden; transition: all .22s ease;
}
.kf-float.open .kf-panel { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.kf-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.kf-row:last-of-type { border-bottom: 0; }
.kf-k { flex: 0 0 32px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.kf-v { flex: 1; font-size: 13.5px; font-weight: 600; color: var(--text); word-break: break-all; }
.kf-copy { flex: 0 0 auto; border: 1px solid var(--primary); color: var(--primary); background: #fff; font-size: 11.5px; padding: 2px 9px; border-radius: 999px; cursor: pointer; }
.kf-copy:hover { background: var(--primary); color: #fff; }
.kf-qr { text-align: center; margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.kf-qr img { width: 150px; height: 150px; object-fit: contain; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.kf-qr p { font-size: 12px; color: var(--muted); margin-top: 6px; }
@media (max-width: 640px) {
  .kf-ball { width: 48px; height: 48px; }
  .kf-panel { right: 58px; width: 216px; }
}

/* ===== Hero 轮播模式 ===== */
.site-hero.hero-slider { display: block; min-height: 0; text-align: left; }
.hero-slider .hero-slide {
  display: none; min-height: 480px;
  background: var(--grad-deep);
  align-items: center;
  position: relative; overflow: hidden;
}
.hero-slider .hero-slide.on { display: flex; }
.hero-slider .hero-slide::after {
  content: ''; position: absolute; right: -140px; top: -200px;
  width: 520px; height: 520px; border-radius: 50%;
  background: rgba(255,255,255,.07); pointer-events: none;
}
.hero-slide-inner {
  display: flex; align-items: center; gap: 56px;
  width: 100%; position: relative; z-index: 2; padding: 72px 24px;
}
.hero-slide-text { flex: 1; min-width: 0; max-width: 640px; }
.hero-slide-text .hero-title { font-size: 40px; }
.hero-slide-text .hero-subtitle { font-size: 17px; }
.hero-slide-img { flex-shrink: 0; width: 380px; text-align: center; }
.hero-slide-img img {
  max-width: 100%; max-height: 300px;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,.25)); border-radius: 12px;
}
.hero-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 44px; height: 44px; border: 0; cursor: pointer;
  background: rgba(255,255,255,.14); color: #fff;
  border-radius: 50%; font-size: 26px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.hero-nav:hover { background: rgba(255,255,255,.32); }
.hero-nav.prev { left: 18px; }
.hero-nav.next { right: 18px; }
.hero-dots {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 6; display: flex; gap: 8px;
}
.hero-dot {
  width: 9px; height: 9px; border-radius: 5px; border: 0; padding: 0;
  background: rgba(255,255,255,.45); cursor: pointer; transition: all .25s;
}
.hero-dot.on { width: 22px; background: #fff; }
@media (max-width: 900px) {
  .hero-slide-img { display: none; }
  .hero-slider .hero-slide { min-height: 380px; }
  .hero-slide-inner { padding: 56px 24px; }
  .hero-slide-text .hero-title { font-size: 30px; }
}
@media (max-width: 768px) {
  .hero-slider .hero-slide { min-height: 320px; }
  .hero-slide-text .hero-title { font-size: 28px; }
  .hero-nav { display: none; }
}

/* ===== 通用区块标题 ===== */
.sec-title {
  font-size: 30px; font-weight: 700; text-align: center;
  margin-bottom: 12px; color: var(--text);
}
.sec-subtitle {
  font-size: 16px; color: var(--muted); text-align: center;
  margin-bottom: 40px;
}

/* ===== Features ===== */
.site-features { padding: 72px 0; background: var(--card); }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  padding: 32px 24px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--line);
  text-align: center; transition: transform .2s, box-shadow .2s;
}
.feature-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.feature-card .ic {
  width: 40px; height: 40px; color: var(--primary);
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); }

/* ===== Showcase ===== */
.site-showcase { padding: 72px 0; background: var(--bg); }
.showcase-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center;
}
.showcase-row.layout-right .showcase-media-wrap { order: 2; }
.showcase-media-wrap {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.showcase-media { width: 100%; display: block; }
.showcase-body .sec-title { text-align: left; }
.showcase-body .sec-subtitle { text-align: left; }
.showcase-text { font-size: 15px; color: var(--text); line-height: 1.8; }
.showcase-text p { margin-bottom: 12px; }

/* ===== CTA ===== */
.site-cta {
  padding: 64px 0; background: var(--grad);
  text-align: center; color: #fff;
}
.cta-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.cta-subtitle { font-size: 16px; color: rgba(255,255,255,.82); margin-bottom: 28px; }
.cta-button {
  display: inline-block; padding: 12px 32px;
  background: #fff; color: var(--primary);
  border-radius: 10px; font-weight: 700; font-size: 15px;
  transition: transform .2s;
}
.cta-button:hover { transform: translateY(-2px); color: var(--primary-2); }

/* ===== Stats ===== */
.site-stats { padding: 64px 0; background: var(--card); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 24px 16px; border-radius: var(--radius);
  background: var(--bg);
}
.stat-val { font-size: 36px; font-weight: 800; color: var(--primary); }
.stat-lbl { font-size: 14px; color: var(--muted); margin-top: 4px; }

/* ===== Text ===== */
.site-text { padding: 64px 0; background: var(--bg); }
.text-body { max-width: 820px; margin: 0 auto; }
.text-body .sec-title { text-align: center; }
.text-body .sec-subtitle { text-align: center; }
.text-content { font-size: 15px; color: var(--text); line-height: 1.85; }
.text-content p { margin-bottom: 16px; }
.text-content h3 { font-size: 20px; margin: 24px 0 12px; }
.text-content h4 { font-size: 17px; margin: 20px 0 10px; }
.text-content img { border-radius: 8px; margin: 16px 0; }
.text-content a { color: var(--primary); text-decoration: underline; }

/* ===== Gallery ===== */
.site-gallery { padding: 64px 0; background: var(--card); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); cursor: pointer;
  transition: transform .2s;
  display: block;
}
.gallery-item:hover { transform: scale(1.03); }
.gallery-item img { width: 100%; height: 220px; object-fit: cover; display: block; }

/* ===== Contact 联系表单 ===== */
.site-contact { padding: 72px 0; background: var(--card); }
.contact-grid {
  display: grid; grid-template-columns: 5fr 7fr; gap: 40px;
  align-items: start; max-width: 980px; margin: 0 auto;
}
.contact-info { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 24px; }
.ci-item { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.ci-item:last-child { border-bottom: none; }
.ci-ic { width: 22px; height: 22px; color: var(--primary); flex-shrink: 0; margin-top: 2px; display: inline-block; }
.ci-ic svg { width: 100%; height: 100%; display: block; }
.ci-label { font-size: 12px; color: var(--muted); }
.ci-val { font-size: 15px; font-weight: 600; word-break: break-all; }
.contact-form {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cf-item { margin-bottom: 16px; }
.cf-label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.cf-label .req { color: var(--danger); }
.cf-input, .cf-textarea {
  width: 100%; padding: 11px 14px; font-size: 14px; font-family: inherit;
  color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.cf-input:focus, .cf-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,107,245,.12);
}
.cf-textarea { resize: vertical; min-height: 120px; }
.contact-btn {
  display: inline-block; padding: 12px 36px; border: none; cursor: pointer;
  background: var(--grad); color: #fff; font-size: 15px; font-weight: 700;
  border-radius: 10px; font-family: inherit;
  box-shadow: 0 6px 18px -6px rgba(79,107,245,.5);
  transition: transform .2s, box-shadow .2s;
}
.contact-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0; }
.contact-banner {
  display: flex; align-items: center; gap: 10px;
  max-width: 980px; margin: 0 auto 24px;
  padding: 12px 18px; border-radius: 10px;
  font-size: 14px; font-weight: 600;
}
.contact-banner .ci-ic { width: 18px; height: 18px; margin-top: 0; }
.contact-banner.ok { background: rgba(22,163,74,.1); color: var(--ok); border: 1px solid rgba(22,163,74,.3); }
.contact-banner.err { background: rgba(229,72,77,.08); color: var(--danger); border: 1px solid rgba(229,72,77,.3); }

/* ===== 顶部公告条 ===== */
.site-announce {
  background: var(--grad); color: #fff;
  padding: 9px 0; font-size: 13.5px;
}
.announce-inner { display: flex; align-items: center; gap: 10px; }
.announce-tag {
  flex-shrink: 0; font-size: 11px; font-weight: 700;
  background: rgba(255,255,255,.22); padding: 2px 8px;
  border-radius: 20px; letter-spacing: 1px;
}
.announce-text { color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.announce-text:hover { color: #fff; text-decoration: underline; }

/* ===== 顶部导航条 ===== */
.site-nav {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; gap: 24px;
  height: 60px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; }
.nav-brand:hover { color: var(--primary); }
.nav-logo { max-height: 42px; max-width: 160px; display: block; }
.nav-logo-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--grad); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-logo-mark svg { width: 18px; height: 18px; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a {
  color: var(--text); font-size: 14.5px; font-weight: 500;
  padding: 6px 2px; position: relative; transition: color .15s;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%;
  bottom: 0; height: 2px; background: var(--primary);
  border-radius: 2px; transition: right .2s;
}
.nav-links a:hover::after { right: 0; }
.nav-burger {
  display: none; margin-left: auto;
  width: 40px; height: 40px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--card); cursor: pointer;
  color: var(--text); align-items: center; justify-content: center;
}
.nav-burger svg { width: 20px; height: 20px; }
.nav-burger.open { color: var(--primary); border-color: var(--primary); }

/* ===== News 公告新闻 ===== */
.site-news { padding: 64px 0; background: var(--bg); }
.news-list { max-width: 860px; margin: 0 auto; }
.news-item {
  display: flex; align-items: baseline; gap: 16px;
  padding: 16px 18px; border-radius: 12px;
  color: var(--text); border-bottom: 1px solid var(--line);
  transition: background .15s;
}
.news-item:hover { background: var(--card); color: var(--primary); }
.news-item:last-child { border-bottom: none; }
.news-title { font-size: 15px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-date { margin-left: auto; flex-shrink: 0; font-size: 13px; color: var(--muted); font-family: Consolas, monospace; }
.news-empty {
  max-width: 860px; margin: 0 auto; text-align: center;
  padding: 40px 20px; color: var(--muted); font-size: 14px;
  background: var(--card); border: 1px dashed var(--line); border-radius: 12px;
}
.news-more-wrap { text-align: center; margin-top: 24px; }
.news-more-btn {
  display: inline-block; padding: 9px 26px; border-radius: 10px;
  border: 1px solid var(--primary); color: var(--primary);
  font-size: 14px; font-weight: 600; transition: background .15s, color .15s;
}
.news-more-btn:hover { background: var(--primary); color: #fff; }

/* ===== FAQ 常见问题 ===== */
.site-faq { padding: 64px 0; background: var(--card); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--line); border-radius: 12px;
  margin-bottom: 12px; background: var(--bg); overflow: hidden;
}
.faq-item summary {
  cursor: pointer; padding: 15px 18px;
  font-size: 15px; font-weight: 600; color: var(--text);
  list-style: none; position: relative; padding-right: 44px;
  transition: color .15s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; position: absolute; right: 18px; top: 50%;
  transform: translateY(-50%); font-size: 20px; font-weight: 400;
  color: var(--primary); transition: transform .2s;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { color: var(--primary); }
.faq-a { padding: 0 18px 16px; font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ===== Timeline 时间线 ===== */
.site-timeline { padding: 64px 0; background: var(--bg); }
.timeline {
  max-width: 760px; margin: 0 auto; position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(180deg, var(--primary), var(--primary-2));
  border-radius: 2px; opacity: .35;
}
.tl-item { position: relative; padding: 0 0 28px 22px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -28px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary); border: 3px solid var(--card);
  box-shadow: 0 0 0 2px var(--primary);
}
.tl-time { font-size: 13px; font-weight: 700; color: var(--primary); font-family: Consolas, monospace; }
.tl-body h3 { font-size: 16px; font-weight: 700; margin: 4px 0 6px; }
.tl-body p { font-size: 14px; color: var(--muted); }

/* ===== Partners 合作伙伴 ===== */
.site-partners { padding: 64px 0; background: var(--card); }
.partners-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; max-width: 980px; margin: 0 auto;
}
.partner-item {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 10px; min-height: 110px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; color: var(--text);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
a.partner-item:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow-lg); color: var(--primary); }
.partner-item img { max-height: 44px; max-width: 130px; object-fit: contain; }
.partner-name { font-size: 14px; font-weight: 600; text-align: center; }

/* ===== Pricing 定价表 ===== */
.site-pricing { padding: 72px 0; background: var(--bg); }
.price-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; max-width: 1020px; margin: 0 auto;
  align-items: stretch;
}
.price-card {
  position: relative; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 26px; text-align: center;
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.price-card.hl { border-color: var(--primary); box-shadow: 0 8px 28px -10px rgba(79,107,245,.4); }
.price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: 12px; font-weight: 700;
  padding: 3px 14px; border-radius: 20px; white-space: nowrap;
}
.price-name { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.price { font-size: 40px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.price span { font-size: 14px; font-weight: 500; color: var(--muted); }
.price-feats { list-style: none; margin: 20px 0 24px; text-align: left; flex: 1; }
.price-feats li {
  font-size: 14px; color: var(--text); padding: 7px 0 7px 24px;
  position: relative; border-bottom: 1px dashed var(--line);
}
.price-feats li:last-child { border-bottom: none; }
.price-feats li::before {
  content: '✓'; position: absolute; left: 2px; color: var(--ok); font-weight: 700;
}
.price-btn {
  display: block; padding: 11px 0; border-radius: 10px;
  background: var(--grad); color: #fff; font-weight: 700; font-size: 14.5px;
  transition: transform .15s, opacity .15s;
}
.price-btn:hover { transform: translateY(-1px); color: #fff; opacity: .92; }

/* ===== Products 产品展示 ===== */
.site-products { padding: 64px 0; background: var(--card); }
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1080px; margin: 0 auto;
}
.product-card {
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; color: var(--text);
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
a.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.product-img {
  aspect-ratio: 1 / 1; overflow: hidden;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-img .ph-ic { width: 44px; height: 44px; color: var(--primary); opacity: .4; }
.product-card h3 { font-size: 16px; font-weight: 700; padding: 16px 18px 6px; }
.product-card p { font-size: 13.5px; color: var(--muted); padding: 0 18px 18px; line-height: 1.7; }

/* ===== Post 公告详情页 ===== */
.post-wrap { padding: 40px 24px 64px; }
.post-card {
  max-width: 820px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 44px;
  box-shadow: var(--shadow);
}
.post-title { font-size: 26px; font-weight: 800; line-height: 1.35; margin-bottom: 12px; }
.post-meta {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--muted);
  padding-bottom: 20px; margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.post-meta .ic { width: 15px; height: 15px; }
.post-content { font-size: 15px; line-height: 1.9; color: var(--text); word-break: break-word; }
.post-back { text-align: center; margin-top: 28px; }
.post-back-btn {
  display: inline-block; padding: 10px 28px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; color: var(--text); font-size: 14px; font-weight: 600;
  transition: border-color .15s, color .15s;
}
.post-back-btn:hover { border-color: var(--primary); color: var(--primary); }
.post-empty { text-align: center; }
.post-404 {
  font-size: 64px; font-weight: 800; letter-spacing: 4px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 8px;
}
.post-empty .post-content { color: var(--muted); }

/* ===== About 关于我们 ===== */
.about-card { max-width: 860px; }
.about-subtitle {
  font-size: 16px; color: var(--muted);
  padding-bottom: 20px; margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.about-image {
  width: 100%; max-height: 420px; object-fit: cover;
  border-radius: 12px; display: block; margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.about-content { font-size: 15px; }
.about-content h3 { font-size: 19px; margin: 26px 0 10px; }
.about-content img { border-radius: 10px; margin: 16px 0; }
.about-content a { color: var(--primary); text-decoration: underline; }
.about-content ul { padding-left: 22px; margin: 10px 0; }
.about-content li { margin: 5px 0; }
.post-wrap .site-container { max-width: 960px; }

/* ===== Contact page 联系我们独立页 ===== */
.cpage-wrap {
  display: flex; gap: 28px; align-items: flex-start;
  padding: 22px; margin-bottom: 24px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px;
  flex-wrap: wrap;
}
.cpage-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  flex: 1; min-width: 280px;
}
.cpage-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px;
}
.cpage-ic {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px;
  background: var(--primary-bg); color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
}
.cpage-ic svg { width: 19px; height: 19px; }
.cpage-label { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.cpage-val { font-size: 14px; font-weight: 600; color: var(--text); word-break: break-all; }
a.cpage-val:hover { color: var(--primary); }
.cpage-qrcode {
  flex-shrink: 0; display: flex; flex-direction: column;
  align-items: center; gap: 8px; padding: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
}
.cpage-qrcode img { width: 120px; height: 120px; object-fit: cover; border-radius: 8px; display: block; }
.cpage-qrcode span { font-size: 12px; color: var(--muted); }
.cpage-actions { margin-top: 24px; }
.cpage-btn {
  display: inline-block; padding: 11px 28px; border-radius: 10px;
  background: var(--grad); color: #fff; font-size: 14.5px; font-weight: 700;
  transition: transform .15s, opacity .15s;
}
.cpage-btn:hover { transform: translateY(-1px); color: #fff; opacity: .92; }
@media (max-width: 768px) {
  .cpage-grid { grid-template-columns: 1fr; }
  .cpage-qrcode { align-self: center; }
}

/* ===== Footer ===== */
.site-footer {
  padding: 32px 0; background: #0e1526; color: #98a2c0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #98a2c0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-contact { font-size: 13px; }
.footer-icp { font-size: 12px; color: #5e688a; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .site-container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 15px; }
  .site-hero { min-height: 360px; }
  .site-hero .hero-inner { padding: 56px 16px; }
  .hero-cta { padding: 12px 28px; font-size: 14px; }
  .sec-title { font-size: 22px; }
  .sec-subtitle { font-size: 14px; margin-bottom: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .showcase-row { grid-template-columns: 1fr; gap: 24px; }
  .showcase-row.layout-right .showcase-media-wrap { order: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item img { height: 160px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .site-features, .site-showcase, .site-cta, .site-stats, .site-text, .site-gallery, .site-contact { padding: 48px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 24px; }
  .cf-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 20px; }
  .contact-banner { margin-bottom: 16px; }
  .stat-val { font-size: 28px; }
  .cta-title { font-size: 22px; }
  .preview-bar { font-size: 12px; flex-wrap: wrap; gap: 8px; }
  .announce-text { white-space: normal; }
  .nav-burger { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--card); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg); padding: 8px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a::after { display: none; }
  .news-item { flex-direction: column; gap: 4px; padding: 13px 10px; }
  .news-title { white-space: normal; }
  .news-date { margin-left: 0; }
  .timeline { padding-left: 22px; }
  .tl-item::before { left: -22px; width: 10px; height: 10px; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .price-card.hl { transform: none; }
  .products-grid { grid-template-columns: 1fr; }
  .post-card { padding: 26px 20px; }
  .post-title { font-size: 21px; }
  .post-wrap { padding: 24px 16px 48px; }
}


/* ============================================================
   青衫AI 追加：产品中心 / 产品详情 / 解决方案（前台）
   ============================================================ */

/* ---- 首页产品卡片补充（pcard） ---- */
.pcard-price { display: inline-block; margin: 0 18px 16px; font-size: 18px; font-weight: 800; color: var(--primary); }
.pcard-price em { font-style: normal; font-size: 12px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.pcard-free { color: var(--warn); font-size: 14px; }
.pcard-hot {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  background: linear-gradient(135deg, #ff9f43, #ff6b6b);
  color: #fff; font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; letter-spacing: 1px;
}
.product-img { position: relative; }
.sec-empty { text-align: center; color: var(--muted); padding: 36px 0 12px; font-size: 14px; }
.sec-more { text-align: center; margin-top: 36px; }
.sec-more-btn {
  display: inline-block; padding: 11px 34px; border-radius: 999px;
  border: 1.5px solid var(--primary); color: var(--primary);
  font-size: 14px; font-weight: 600; background: transparent;
  transition: background .2s, color .2s;
}
.sec-more-btn:hover { background: var(--primary); color: #fff; }

/* ---- 产品中心列表页 ---- */
.plist-wrap { padding: 40px 0 72px; }
.plist-hero { text-align: center; margin-bottom: 30px; }
.plist-hero h1 { font-size: 32px; font-weight: 800; letter-spacing: 1px; }
.plist-hero p { color: var(--muted); margin-top: 8px; }
.plist-filter {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px; margin-bottom: 30px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 18px;
}
.plist-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.plist-tab {
  display: inline-block; padding: 7px 18px; border-radius: 999px;
  font-size: 14px; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); transition: all .2s;
}
.plist-tab:hover { border-color: var(--primary); color: var(--primary); }
.plist-tab.active { background: var(--grad); color: #fff; border-color: transparent; font-weight: 600; }
.plist-search { display: flex; gap: 8px; }
.plist-search input {
  width: 220px; max-width: 56vw; padding: 8px 14px; font-size: 14px;
  border: 1px solid var(--line); border-radius: 999px; outline: none;
  background: var(--bg); color: var(--text); font-family: inherit;
}
.plist-search input:focus { border-color: var(--primary); }
.plist-search button {
  padding: 8px 20px; border: none; border-radius: 999px; cursor: pointer;
  background: var(--grad); color: #fff; font-size: 14px; font-weight: 600; font-family: inherit;
}
.plist-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.plist-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; color: var(--text); display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
a.plist-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); color: var(--text); }
.plist-img {
  aspect-ratio: 1 / 1; overflow: hidden; position: relative;
  background: var(--bg);
}
.plist-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.plist-card:hover .plist-img img { transform: scale(1.05); }
.plist-body { padding: 18px 20px 16px; display: flex; flex-direction: column; flex: 1; }
.plist-body h3 { font-size: 17px; font-weight: 700; }
.plist-body > p { font-size: 13.5px; color: var(--muted); margin-top: 6px; line-height: 1.7; flex: 1; }
.plist-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.plist-meta .pcard-price { margin: 0; font-size: 16px; }
.plist-cat {
  font-size: 12px; color: var(--primary); background: rgba(79,107,245,.08);
  padding: 3px 10px; border-radius: 999px;
}
.plist-pager { display: flex; justify-content: center; gap: 8px; margin-top: 36px; flex-wrap: wrap; }
.plist-pager a, .plist-pager .cur {
  min-width: 38px; height: 38px; padding: 0 12px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--card); border: 1px solid var(--line); color: var(--text); font-size: 14px;
}
.plist-pager a:hover { border-color: var(--primary); color: var(--primary); }
.plist-pager .cur { background: var(--grad); color: #fff; border-color: transparent; font-weight: 700; }
.plist-empty { text-align: center; padding: 80px 0; color: var(--muted); }
.plist-empty p { font-size: 16px; margin-bottom: 18px; }

/* ---- 产品详情页 ---- */
.pdetail-wrap { padding: 28px 0 72px; }
.pdetail-crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 20px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pdetail-crumb a { color: var(--muted); }
.pdetail-crumb a:hover { color: var(--primary); }
.pdetail-crumb b { color: var(--text); font-weight: 600; }
.pdetail-top {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px;
}
.pdetail-main {
  aspect-ratio: 1 / 1; border-radius: 12px; overflow: hidden;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.pdetail-main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pdetail-nopic { color: var(--muted); font-size: 14px; }
.pdetail-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.pdetail-thumbs img {
  width: 84px; height: 60px; object-fit: cover; border-radius: 8px;
  border: 2px solid transparent; cursor: pointer; opacity: .75; transition: all .2s;
}
.pdetail-thumbs img:hover { opacity: 1; }
.pdetail-thumbs img.on { border-color: var(--primary); opacity: 1; }
.pdetail-info h1 { font-size: 26px; font-weight: 800; line-height: 1.4; }
.pdetail-summary { color: var(--muted); margin-top: 10px; line-height: 1.8; }
.pdetail-price {
  margin-top: 18px; font-size: 26px; font-weight: 800; color: var(--primary);
  padding: 14px 18px; background: rgba(79,107,245,.06); border-radius: 12px;
}
.pdetail-feats { margin-top: 18px; list-style: none; }
.pdetail-feats li {
  position: relative; padding: 5px 0 5px 26px; color: var(--text); font-size: 14.5px;
}
.pdetail-feats li::before {
  content: "✓"; position: absolute; left: 0; top: 5px;
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(79,107,245,.12); color: var(--primary);
  font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.pdetail-cta { display: flex; gap: 12px; margin-top: 24px; }
.btn-grad {
  display: inline-block; padding: 12px 34px; border-radius: 999px;
  background: var(--grad); color: #fff !important; font-size: 15px; font-weight: 700;
  box-shadow: 0 6px 18px -6px rgba(79,107,245,.5); transition: transform .2s, box-shadow .2s;
}
.btn-grad:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -6px rgba(79,107,245,.55); }
.btn-ghost {
  display: inline-block; padding: 12px 34px; border-radius: 999px;
  border: 1.5px solid var(--line); color: var(--text) !important; font-size: 15px; font-weight: 600;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary) !important; }
.pdetail-meta { display: flex; gap: 20px; margin-top: 18px; font-size: 13px; color: var(--muted); }
.pdetail-block { margin-top: 36px; }
.pdetail-h2 { font-size: 20px; font-weight: 800; margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--primary); }
.pdetail-specs { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.pdetail-specs th, .pdetail-specs td { border: 0; border-bottom: 1px solid var(--line); padding: 14px 22px; font-size: 14px; text-align: left; }
.pdetail-specs tr:last-child th, .pdetail-specs tr:last-child td { border-bottom: 0; }
.pdetail-specs th { width: 200px; background: var(--bg); color: var(--muted); font-weight: 600; white-space: nowrap; }
.pd-tabs { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pd-tab-bar { display: flex; border-bottom: 1px solid var(--line); background: var(--bg); padding: 0 10px; flex-wrap: wrap; }
.pd-tab { border: 0; background: none; padding: 15px 24px; font-size: 15px; font-weight: 600; color: var(--muted); cursor: pointer; position: relative; transition: color .2s; }
.pd-tab:hover { color: var(--text); }
.pd-tab.on { color: var(--primary); }
.pd-tab.on::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; width: 56%; height: 3px; border-radius: 2px; background: var(--primary); }
.pd-panel { display: none; }
.pd-panel.on { display: block; }
.pd-panel.pdetail-detail { border: 0; border-radius: 0; background: transparent; }
.pdetail-detail { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 30px; }
.pdetail-detail img { border-radius: 10px; }
.pdetail-detail h3 { font-size: 17px; margin: 18px 0 8px; }
.pdetail-detail h4 { font-size: 15px; margin: 14px 0 6px; }
.pdetail-detail p { margin: 8px 0; line-height: 1.9; }
.pdetail-detail ul, .pdetail-detail ol { padding-left: 22px; margin: 8px 0; }
.pdetail-detail blockquote { margin: 12px 0; padding: 10px 16px; border-left: 3px solid var(--primary); background: rgba(79,107,245,.06); border-radius: 0 8px 8px 0; color: var(--muted); }

/* ---- 解决方案页 ---- */
.sol-wrap { padding: 40px 0 72px; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.sol-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.sol-icon .ic { width: 26px; height: 26px; }
.sol-card h2 { font-size: 18px; font-weight: 700; margin-top: 16px; }
.sol-desc { font-size: 13.5px; color: var(--muted); margin-top: 8px; line-height: 1.8; flex: 1; }
.sol-items { list-style: none; margin: 14px 0 18px; }
.sol-items li { position: relative; padding: 4px 0 4px 20px; font-size: 13.5px; color: var(--text); }
.sol-items li::before { content: ""; position: absolute; left: 2px; top: 13px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.sol-link { font-size: 14px; font-weight: 600; margin-top: auto; }
.sol-cta { text-align: center; margin-top: 56px; padding: 48px 24px; border-radius: var(--radius); background: var(--grad-deep); color: #fff; }
.sol-cta h2 { font-size: 24px; font-weight: 800; }
.sol-cta p { margin: 10px 0 22px; opacity: .8; }

@media (max-width: 900px) {
  .plist-grid, .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .pdetail-top { grid-template-columns: 1fr; padding: 20px; }
}
@media (max-width: 640px) {
  .plist-grid, .sol-grid { grid-template-columns: 1fr; }
  .plist-hero h1 { font-size: 25px; }
  .plist-filter { flex-direction: column; align-items: stretch; }
  .plist-search { width: 100%; }
  .plist-search input { flex: 1; width: auto; }
  .pdetail-info h1 { font-size: 21px; }
}