/* =========================================================
   苹果签名 - 品牌官网样式
   Palette: Apple blue / deep navy / soft sky
   ========================================================= */

:root {
  --blue: #007aff;
  --blue-dark: #0056c7;
  --blue-deep: #082f63;
  --sky: #45b6ff;
  --ink: #162033;
  --muted: #68758a;
  --line: #e6edf7;
  --soft: #f5f9ff;
  --white: #ffffff;
  --green: #00a86b;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 14px 40px rgba(16, 52, 96, 0.08);
  --shadow-hover: 0 22px 55px rgba(16, 52, 96, 0.14);
  --container: 1120px;
  --header-height: 74px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.modal-open {
  overflow: hidden;
}

::selection {
  background: rgba(0, 122, 255, 0.18);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 86px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-alt {
  background: var(--soft);
}

.section-head {
  max-width: 740px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 13px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
}

.section-head h2 {
  color: var(--ink);
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-head p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
}

.section-head .head-line {
  width: 54px;
  height: 3px;
  margin: 18px auto 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
}

.section-head.left .head-line {
  margin-left: 0;
}

.text-blue {
  color: var(--blue);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #007aff, #38b6ff);
  box-shadow: 0 10px 24px rgba(0, 122, 255, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 30px rgba(0, 122, 255, 0.36);
}

.btn-ghost {
  color: #0b4a9e;
  background: #fff;
  border-color: #d4e5fb;
}

.btn-ghost:hover {
  border-color: #9bc9ff;
  box-shadow: 0 10px 24px rgba(16, 82, 160, 0.1);
}

.btn-light {
  color: #0752b8;
  background: #fff;
  box-shadow: 0 10px 24px rgba(0, 30, 80, 0.14);
}

.btn-outline-light {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-sm {
  min-height: 40px;
  padding: 9px 18px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 63, 120, 0.07);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  font-size: 22px;
  background: linear-gradient(135deg, #007aff, #42c3ff);
  box-shadow: 0 8px 18px rgba(0, 122, 255, 0.24);
}

.brand-copy strong {
  display: block;
  color: #0b3f82;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.brand-copy small {
  display: block;
  margin-top: 4px;
  color: #7b8da5;
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 27px;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 8px 0;
  color: #33415c;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--blue);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-left: 2px;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #0b4a9e;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.header-phone i {
  color: var(--blue);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid #dce9fa;
  border-radius: 11px;
  color: #0b4a9e;
  background: #fff;
  font-size: 18px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 94px 0 82px;
  text-align: center;
  background: linear-gradient(135deg, #eaf7ff 0%, #d9edff 46%, #f7fbff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: -160px;
  left: -100px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.16), transparent 68%);
}

.hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69, 182, 255, 0.2), transparent 68%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image: linear-gradient(rgba(0, 122, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 122, 255, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 78%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 840px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 7px 15px;
  border: 1px solid rgba(0, 122, 255, 0.18);
  border-radius: 999px;
  color: #075ecf;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 6px 18px rgba(0, 75, 160, 0.06);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.hero-badge i {
  color: var(--blue);
  font-size: 12px;
}

.hero h1 {
  max-width: 820px;
  margin: 0 auto;
  color: #064a9e;
  font-size: clamp(2.55rem, 5vw, 4.15rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.hero h1 .gradient-text {
  color: transparent;
  background: linear-gradient(110deg, #0066e0 10%, #12a2ff 55%, #0066e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-subtitle {
  max-width: 660px;
  margin: 22px auto 0;
  color: #5c7089;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 13px;
  margin-top: 32px;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px 28px;
  margin-top: 34px;
  color: #4f6883;
  font-size: 13px;
  font-weight: 600;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-points i {
  color: #00a86b;
  font-size: 13px;
}

/* ---------- Service cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: 36px 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 52, 96, 0.05);
  text-align: center;
  transition: transform 0.28s ease, box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 16%;
  left: 16%;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.service-card:hover {
  border-color: #cfe4ff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-7px);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 0 auto 21px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  font-size: 27px;
  background: linear-gradient(135deg, #007aff, #4bc6ff);
  box-shadow: 0 10px 24px rgba(0, 122, 255, 0.24);
}

.service-card h3 {
  margin-bottom: 10px;
  color: #162033;
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.35;
}

.service-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.service-link i {
  font-size: 11px;
  transition: transform 0.2s ease;
}

.service-link:hover i {
  transform: translateX(4px);
}

/* ---------- Plan cards ---------- */
.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 52, 96, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.plan-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.plan-card.featured {
  border-color: #9dccff;
  box-shadow: 0 20px 48px rgba(0, 122, 255, 0.13);
}

.plan-card.featured::before {
  content: "推荐";
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 3px 10px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, #007aff, #3cb9ff);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.plan-kicker {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.plan-card h3 {
  margin-top: 8px;
  color: #10233f;
  font-size: 1.45rem;
  font-weight: 800;
}

.plan-desc {
  min-height: 48px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.plan-list {
  display: grid;
  gap: 10px;
  margin: 21px 0 24px;
  padding: 20px 0 0;
  border-top: 1px dashed #dfeaf8;
  list-style: none;
}

.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #43536b;
  font-size: 13px;
  line-height: 1.6;
}

.plan-list i {
  margin-top: 3px;
  color: var(--green);
  font-size: 12px;
}

.plan-card .btn {
  margin-top: auto;
}

/* ---------- Feature items ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.feature-item {
  padding: 14px 8px;
  text-align: center;
}

.feature-icon {
  display: grid;
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  place-items: center;
  border: 1px solid #e1efff;
  border-radius: 50%;
  color: var(--blue);
  background: #fff;
  box-shadow: 0 8px 22px rgba(16, 72, 140, 0.08);
  font-size: 22px;
}

.feature-item h3 {
  margin-bottom: 8px;
  color: #17243a;
  font-size: 1.06rem;
  font-weight: 800;
}

.feature-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.step-card {
  position: relative;
  padding: 28px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.045);
  text-align: center;
}

.step-card:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 47px;
  right: -16px;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, #9bd1ff, #007aff);
}

.step-number {
  display: grid;
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #007aff, #49c5ff);
  box-shadow: 0 8px 18px rgba(0, 122, 255, 0.25);
  font-size: 15px;
  font-weight: 800;
}

.step-card h3 {
  margin-bottom: 7px;
  color: #17243a;
  font-size: 1.02rem;
  font-weight: 800;
}

.step-card p {
  color: var(--muted);
  font-size: 13px;
}

/* ---------- Stats ---------- */
.stats {
  position: relative;
  overflow: hidden;
  padding: 54px 0;
  color: #fff;
  background: linear-gradient(110deg, #004eb8 0%, #007aff 56%, #3cc2ff 100%);
}

.stats::before {
  content: "";
  position: absolute;
  top: -120px;
  right: 8%;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
}

.stats::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -140px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 7px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.19);
  text-align: center;
}

.stat:last-child {
  border-right: 0;
}

.stat strong {
  display: block;
  font-size: clamp(2rem, 4vw, 2.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.stat span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

/* ---------- Blog cards ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.post-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.05);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.post-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.post-media {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: #0b3d7a;
}

.post-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-media img {
  transform: scale(1.05);
}

.post-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 28, 64, 0.22), transparent 52%);
}

.post-body {
  padding: 18px 18px 17px;
}

.post-cat {
  display: inline-block;
  margin-bottom: 9px;
  padding: 3px 9px;
  border-radius: 5px;
  color: #0763d6;
  background: #eaf4ff;
  font-size: 11px;
  font-weight: 800;
}

.post-title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #17243a;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.48;
  transition: color 0.2s ease;
}

.post-title:hover {
  color: var(--blue);
}

.post-excerpt {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 8px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 14px;
  padding-top: 11px;
  border-top: 1px dashed #e4ecf7;
  color: #93a0b3;
  font-size: 11px;
}

.post-meta .read {
  color: var(--blue);
  font-weight: 800;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 0 0 86px;
}

.cta-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 34px;
  overflow: hidden;
  padding: 42px 46px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(115deg, #043b84 0%, #0069df 52%, #0a9df5 100%);
  box-shadow: 0 24px 55px rgba(0, 79, 172, 0.2);
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -150px;
  right: 12%;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
}

.cta-box::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -160px;
  width: 380px;
  height: 380px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.cta-copy {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.cta-copy h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.cta-copy p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-left: auto;
}

.cta-qr {
  position: relative;
  z-index: 1;
  flex: none;
  width: 116px;
  padding: 7px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(0, 20, 60, 0.18);
}

.cta-qr img {
  width: 100%;
  border-radius: 8px;
}

/* ---------- Inner page hero ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 58px 0 52px;
  color: #fff;
  background: linear-gradient(115deg, #04264f 0%, #06479f 58%, #0a8fe8 100%);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -170px;
  right: 8%;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -180px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb i {
  font-size: 9px;
  opacity: 0.6;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.page-hero p {
  max-width: 700px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 54px;
}

.about-copy h2 {
  margin-bottom: 17px;
  color: #10233f;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.about-copy p {
  margin-bottom: 13px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.about-list {
  display: grid;
  gap: 10px;
  margin-top: 21px;
  list-style: none;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #35445b;
  font-size: 14px;
}

.about-list i {
  margin-top: 4px;
  color: var(--green);
  font-size: 12px;
}

.about-media {
  position: relative;
}

.about-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 22px;
  object-fit: cover;
  box-shadow: 0 22px 50px rgba(16, 52, 96, 0.16);
}

.about-float {
  position: absolute;
  right: -16px;
  bottom: -18px;
  min-width: 170px;
  padding: 16px 19px;
  border: 1px solid #e4effd;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 16px 36px rgba(16, 52, 96, 0.15);
}

.about-float strong {
  display: block;
  color: var(--blue);
  font-size: 26px;
  line-height: 1.1;
}

.about-float span {
  color: var(--muted);
  font-size: 11px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.value-card {
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.045);
}

.value-card i {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 12px;
  color: var(--blue);
  background: #eaf4ff;
  font-size: 18px;
}

.value-card h3 {
  margin-bottom: 7px;
  color: #17243a;
  font-size: 1.02rem;
  font-weight: 800;
}

.value-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- Comparison table ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 52, 96, 0.05);
}

.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 13px;
}

.compare-table th,
.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid #edf3fb;
  text-align: left;
}

.compare-table thead th {
  color: #0d4d9e;
  background: #f2f8ff;
  font-size: 12px;
  font-weight: 800;
}

.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table tbody tr:hover {
  background: #fbfdff;
}

.compare-table td:first-child {
  color: #35445b;
  font-weight: 700;
}

.compare-table .highlight {
  color: var(--green);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 11px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(16, 52, 96, 0.035);
}

.faq-item summary {
  position: relative;
  padding: 18px 52px 18px 22px;
  color: #203049;
  font-size: 14px;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: #eaf4ff;
  font-size: 17px;
  font-weight: 500;
  line-height: 1;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item[open] summary {
  color: var(--blue-dark);
}

.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.faq-body p + p {
  margin-top: 8px;
}

/* ---------- News / article list ---------- */
.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 312px;
  align-items: start;
  gap: 36px;
}

.news-list {
  display: grid;
  gap: 21px;
}

.news-card {
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.045);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.news-card .news-media {
  display: block;
  position: relative;
  overflow: hidden;
  min-height: 170px;
  background: #0b3d7a;
}

.news-card .news-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-media img {
  transform: scale(1.04);
}

.news-card-body {
  padding: 22px 24px 18px;
}

.news-card-body h2 {
  margin: 7px 0 8px;
  color: #17243a;
  font-size: 1.18rem;
  font-weight: 800;
  line-height: 1.45;
}

.news-card-body h2 a:hover {
  color: var(--blue);
}

.news-card-body p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.news-card-body .post-meta {
  margin-top: 12px;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
}

.side-card {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.045);
}

.side-card h3 {
  margin-bottom: 14px;
  color: #17243a;
  font-size: 1rem;
  font-weight: 800;
}

.side-card h3 i {
  margin-right: 6px;
  color: var(--blue);
  font-size: 14px;
}

.side-contact {
  text-align: center;
}

.side-contact .side-qr {
  width: 172px;
  margin: 0 auto 12px;
  padding: 6px;
  border: 1px solid #e2eefb;
  border-radius: 12px;
}

.side-contact .side-qr img {
  width: 100%;
  border-radius: 7px;
}

.side-contact p {
  color: var(--muted);
  font-size: 12px;
}

.side-contact .side-phone {
  margin-top: 2px;
  color: #0b4a9e;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.side-contact .btn {
  margin-top: 13px;
}

.quick-links {
  display: grid;
  gap: 9px;
  list-style: none;
}

.quick-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  color: #3c4d65;
  background: #f7fbff;
  font-size: 13px;
  transition: color 0.2s ease, background 0.2s ease;
}

.quick-links a:hover {
  color: var(--blue);
  background: #eaf4ff;
}

.quick-links i {
  color: #9ab1cb;
  font-size: 10px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 5px 10px;
  border-radius: 999px;
  color: #4c5f78;
  background: #f2f7fe;
  font-size: 11px;
}

.tag:hover {
  color: #fff;
  background: var(--blue);
}

/* ---------- Article detail ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 312px;
  align-items: start;
  gap: 36px;
}

.article-main {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 52, 96, 0.05);
}

.article-head {
  padding: 34px 38px 27px;
  border-bottom: 1px solid #edf3fb;
  background: linear-gradient(180deg, #f8fcff, #fff);
}

.article-head .post-cat {
  margin-bottom: 12px;
}

.article-head h1 {
  color: #12243e;
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 15px;
  color: #8b9ab0;
  font-size: 12px;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-body {
  padding: 32px 38px 36px;
  color: #35445b;
  font-size: 15px;
  line-height: 1.95;
}

.article-body > p:first-child {
  color: #4d5f78;
  font-size: 16px;
}

.article-body h2 {
  margin: 30px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--blue);
  color: #152943;
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.5;
}

.article-body h3 {
  margin: 23px 0 9px;
  color: #203550;
  font-size: 1.06rem;
  font-weight: 800;
}

.article-body p {
  margin-bottom: 14px;
}

.article-body ul,
.article-body ol {
  margin: 8px 0 16px;
  padding-left: 22px;
}

.article-body li {
  margin-bottom: 7px;
}

.article-body strong {
  color: #1d3552;
}

.article-note {
  margin: 22px 0;
  padding: 17px 19px;
  border: 1px solid #d9eaff;
  border-radius: 12px;
  color: #315171;
  background: #f3f9ff;
  font-size: 13px;
  line-height: 1.8;
}

.article-note strong {
  color: #0759c6;
}

.article-cta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding: 22px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(115deg, #06489f, #0a94ee);
}

.article-cta .article-cta-text {
  flex: 1;
}

.article-cta h3 {
  margin: 0 0 4px;
  color: #fff;
  font-size: 1.02rem;
}

.article-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.article-cta .btn {
  flex: none;
}

.related-section {
  padding-top: 56px;
}

.related-section h2 {
  margin-bottom: 22px;
  color: #17243a;
  font-size: 1.35rem;
  font-weight: 800;
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: stretch;
  gap: 28px;
}

.wechat-panel {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border: 1px solid #d8eaff;
  border-radius: 24px;
  background: linear-gradient(145deg, #f5fbff, #eaf5ff);
  text-align: center;
  box-shadow: 0 18px 44px rgba(16, 82, 160, 0.08);
}

.wechat-panel::before {
  content: "";
  position: absolute;
  top: -110px;
  right: -80px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(0, 122, 255, 0.12);
  border-radius: 50%;
}

.wechat-panel h2 {
  position: relative;
  color: #0b3f82;
  font-size: 1.55rem;
  font-weight: 800;
}

.wechat-panel > p {
  position: relative;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.qr-frame {
  position: relative;
  width: 270px;
  margin: 23px auto 18px;
  padding: 11px;
  border: 1px solid #d6e8fb;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(16, 72, 140, 0.11);
}

.qr-frame img {
  width: 100%;
  border-radius: 11px;
}

.wechat-panel .wechat-number {
  position: relative;
  color: #0b4a9e;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.wechat-panel .wechat-hint {
  margin-top: 4px;
  color: #8b9ab0;
  font-size: 12px;
}

.wechat-panel .btn {
  position: relative;
  margin-top: 15px;
}

.contact-cards {
  display: grid;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(16, 52, 96, 0.045);
}

.contact-card-icon {
  display: grid;
  flex: none;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, #007aff, #47c2ff);
  font-size: 20px;
}

.contact-card:nth-child(2) .contact-card-icon {
  background: linear-gradient(135deg, #12b886, #4ed6a8);
}

.contact-card:nth-child(3) .contact-card-icon {
  background: linear-gradient(135deg, #2f6bff, #7aa4ff);
}

.contact-card h3 {
  margin-bottom: 3px;
  color: #17243a;
  font-size: 14px;
  font-weight: 800;
}

.contact-card .contact-value {
  display: inline-block;
  color: #0b4a9e;
  font-size: 23px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.contact-card .contact-value:hover {
  color: var(--blue);
}

.contact-card p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.contact-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.contact-step {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
  text-align: center;
}

.contact-step .step-number {
  margin-bottom: 13px;
}

.contact-step h3 {
  margin-bottom: 6px;
  color: #17243a;
  font-size: 1rem;
  font-weight: 800;
}

.contact-step p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.notice-box {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-top: 24px;
  padding: 15px 18px;
  border: 1px solid #ffe3b8;
  border-radius: 12px;
  color: #8a5a12;
  background: #fffaf0;
  font-size: 12px;
  line-height: 1.7;
}

.notice-box i {
  margin-top: 3px;
  color: #f0a020;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 24px;
  border-top: 1px solid #e7eef9;
  background: #f4f8ff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.55fr 0.8fr 0.9fr 1.2fr;
  gap: 36px;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-brand p {
  max-width: 300px;
  color: #73839a;
  font-size: 12px;
  line-height: 1.8;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.footer-badges span {
  padding: 4px 9px;
  border: 1px solid #dce8f7;
  border-radius: 999px;
  color: #6c7f98;
  background: #fff;
  font-size: 10px;
}

.footer-col h4 {
  margin-bottom: 14px;
  color: #20334d;
  font-size: 13px;
  font-weight: 800;
}

.footer-links {
  display: grid;
  gap: 8px;
  list-style: none;
}

.footer-links a {
  color: #73839a;
  font-size: 12px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--blue);
}

.footer-contact {
  display: grid;
  gap: 9px;
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #73839a;
  font-size: 12px;
}

.footer-contact i {
  width: 14px;
  margin-top: 3px;
  color: var(--blue);
  font-size: 11px;
}

.footer-contact strong {
  color: #315171;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid #e0eaf7;
  color: #8c9bb0;
  font-size: 11px;
}

.footer-bottom a {
  color: #6e8099;
}

.footer-bottom a:hover {
  color: var(--blue);
}

/* ---------- Floating side contact ---------- */
.side-contact-fixed {
  position: fixed;
  top: 32%;
  right: 12px;
  z-index: 900;
  width: 144px;
  padding: 12px 10px 11px;
  border: 1px solid #cfe4ff;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(16, 52, 96, 0.13);
  text-align: center;
}

.has-sidebar .side-contact-fixed,
.no-side-panel .side-contact-fixed {
  display: none;
}

.side-contact-fixed::before {
  content: "";
  position: absolute;
  top: 0;
  right: 22px;
  left: 22px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--blue), var(--sky));
}

.side-contact-fixed .side-label {
  color: #7890aa;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.side-contact-fixed .side-qr-button {
  display: block;
  width: 100%;
  margin: 8px auto;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.side-contact-fixed .side-qr-button img {
  width: 112px;
  margin: 0 auto;
  border-radius: 8px;
  transition: transform 0.2s ease;
}

.side-contact-fixed .side-qr-button:hover img {
  transform: scale(1.04);
}

.side-contact-fixed .side-phone {
  color: #0b4a9e;
  font-size: 13px;
  font-weight: 800;
}

.side-contact-fixed .side-sub {
  color: #93a1b5;
  font-size: 10px;
}

.side-contact-fixed .side-qq {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 7px;
  padding: 4px 8px;
  border-radius: 999px;
  color: #4b6f9f;
  background: #f2f8ff;
  font-size: 10px;
  font-weight: 700;
}

.side-contact-fixed .side-qq:hover {
  color: #fff;
  background: var(--blue);
}

/* ---------- Mobile bottom bar ---------- */
.mobile-bar {
  display: none;
}

/* ---------- Modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  place-items: center;
  padding: 22px;
  background: rgba(4, 24, 54, 0.58);
  backdrop-filter: blur(6px);
}

.modal.open {
  display: grid;
}

.modal-card {
  position: relative;
  width: min(100%, 380px);
  padding: 30px 28px 25px;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(0, 20, 50, 0.3);
  text-align: center;
  animation: modalIn 0.22s ease both;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  outline: 0;
  color: #7890aa;
  background: #f2f7fe;
  font-size: 15px;
}

.modal-close:focus-visible {
  outline: 2px solid rgba(0, 122, 255, 0.45);
  outline-offset: 2px;
}

.modal-card h3 {
  color: #0b3f82;
  font-size: 1.35rem;
  font-weight: 800;
}

.modal-card > p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.modal-qr {
  width: 230px;
  margin: 18px auto 12px;
  padding: 8px;
  border: 1px solid #dcebfb;
  border-radius: 14px;
}

.modal-number {
  color: #0b4a9e;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 16px;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 96px;
  left: 50%;
  z-index: 3000;
  padding: 11px 20px;
  border-radius: 999px;
  color: #fff;
  background: rgba(10, 32, 64, 0.94);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.18);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Utilities ---------- */
.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mb-0 {
  margin-bottom: 0;
}

.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .header-inner {
    gap: 18px;
  }

  .main-nav {
    gap: 18px;
  }

  .header-phone {
    display: none;
  }

  .side-contact-fixed {
    display: none;
  }
}

@media (max-width: 1439px) {
  .side-contact-fixed {
    display: none;
  }
}

@media (max-width: 980px) {
  .section {
    padding: 70px 0;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
    margin-left: auto;
  }

  .main-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 20px 14px;
    border-bottom: 1px solid #e5eefb;
    background: #fff;
    box-shadow: 0 18px 30px rgba(10, 40, 80, 0.08);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 13px 3px;
    border-bottom: 1px solid #f1f5fb;
    font-size: 14px;
  }

  .nav-link::after {
    display: none;
  }

  .header-actions {
    margin-left: 0;
  }

  .header-actions .btn {
    min-height: 38px;
    padding: 8px 14px;
    font-size: 12px;
  }

  .grid-3,
  .grid-4,
  .feature-grid,
  .process-grid,
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-card:nth-child(2)::after {
    display: none;
  }

  .post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-media {
    order: -1;
  }

  .cta-box {
    flex-wrap: wrap;
  }

  .cta-actions {
    margin-left: 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 66px;
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .header-inner {
    gap: 10px;
  }

  .header-actions .btn span {
    display: none;
  }

  .header-actions .btn {
    width: 40px;
    min-height: 40px;
    padding: 0;
    border-radius: 11px;
  }

  .header-actions .btn i {
    font-size: 17px;
  }

  .hero {
    padding: 66px 0 58px;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 8vw, 3rem);
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-points {
    gap: 10px 18px;
    font-size: 12px;
  }

  .section {
    padding: 58px 0;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .section-head h2 {
    font-size: 1.7rem;
  }

  .section-head p {
    font-size: 14px;
  }

  .grid-3,
  .grid-4,
  .feature-grid,
  .process-grid,
  .value-grid,
  .contact-steps {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 30px 22px 26px;
  }

  .step-card::after {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 0;
  }

  .stat:nth-child(2) {
    border-right: 0;
  }

  .stat:nth-child(3),
  .stat:nth-child(4) {
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  .post-media {
    aspect-ratio: 2.2 / 1;
  }

  .cta-section {
    padding-bottom: 58px;
  }

  .cta-box {
    padding: 30px 24px;
  }

  .cta-qr {
    display: none;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    flex: 1;
  }

  .page-hero {
    padding: 42px 0 38px;
  }

  .page-hero p {
    font-size: 13px;
  }

  .about-float {
    right: 10px;
    bottom: -14px;
  }

  .news-card {
    grid-template-columns: 172px minmax(0, 1fr);
  }

  .news-card-body {
    padding: 17px 16px 14px;
  }

  .news-card-body h2 {
    font-size: 1.02rem;
  }

  .news-card-body p {
    -webkit-line-clamp: 2;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .article-head,
  .article-body {
    padding-right: 22px;
    padding-left: 22px;
  }

  .article-body {
    font-size: 14px;
  }

  .article-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-cta .btn {
    width: 100%;
  }

  .wechat-panel {
    padding: 28px 20px;
  }

  .qr-frame {
    width: 240px;
  }

  .contact-card .contact-value {
    font-size: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-col:last-child {
    grid-column: 1 / -1;
  }

  .mobile-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1100;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 7px 6px calc(7px + env(safe-area-inset-bottom));
    border-top: 1px solid #e7eef9;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 -8px 24px rgba(16, 52, 96, 0.07);
    backdrop-filter: blur(12px);
  }

  .mobile-bar a,
  .mobile-bar button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-height: 48px;
    border: 0;
    color: #5e718a;
    background: transparent;
    font-size: 10px;
    font-weight: 600;
  }

  .mobile-bar i {
    color: #0b6edb;
    font-size: 17px;
  }

  .mobile-bar a:hover,
  .mobile-bar button:hover {
    color: var(--blue);
  }

  body {
    padding-bottom: 66px;
  }

  .toast {
    bottom: 86px;
  }
}

@media (max-width: 520px) {
  .brand-copy small {
    display: none;
  }

  .hero-badge {
    font-size: 11px;
  }

  .hero-actions {
    gap: 9px;
  }

  .hero-points {
    justify-content: flex-start;
    text-align: left;
  }

  .news-card {
    grid-template-columns: 1fr;
  }

  .news-card .news-media {
    min-height: 170px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand,
  .footer-col:last-child {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}