:root {
  --blue-700: #0849c9;
  --blue-600: #0b5cff;
  --blue-500: #3b82f6;
  --blue-400: #6aa6ff;
  --blue-100: #dceaff;
  --blue-50: #eff5ff;
  --cyan: #00c2ff;
  --ink: #12234a;
  --muted: #5a6b8c;
  --bg: #f7faff;
  --white: #ffffff;
  --line: #e3ecff;
  --radius: 18px;
  --shadow-sm: 0 4px 16px rgba(11, 92, 255, 0.06);
  --shadow-md: 0 12px 40px rgba(11, 92, 255, 0.1);
  --shadow-lg: 0 24px 64px rgba(11, 92, 255, 0.14);
  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Space Grotesk", "Noto Sans SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section.tint {
  background: linear-gradient(180deg, var(--blue-50) 0%, #f7faff 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan));
  border-radius: 2px;
}

.section-head {
  position: relative;
  max-width: 720px;
  margin-bottom: 56px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head.center .eyebrow {
  justify-content: center;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.section-head h2 .hl {
  position: relative;
  background: linear-gradient(92deg, #6ea8ff, #35d0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* === 场景矩阵标题区 === */
.scene-head {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 56px;
  margin-bottom: 56px;
  max-width: none;
  text-align: left;
}

.scene-title-block {
  position: relative;
  min-width: 0;
}

.scene-title-block h2 {
  white-space: nowrap;
  margin-top: 14px;
}

.scene-title-block p {
  position: relative;
  white-space: nowrap;
}

.scene-title-block .eyebrow {
  justify-content: flex-start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
  box-shadow: 0 10px 28px rgba(11, 92, 255, 0.32);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(11, 92, 255, 0.4);
}

.btn-light {
  background: #fff;
  color: var(--blue-600);
  box-shadow: 0 10px 28px rgba(6, 40, 110, 0.18);
}

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

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  background-clip: padding-box;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 6px 24px rgba(11, 92, 255, 0.08);
}

/* 未滚动时（透明 header 叠在深色 hero 上）logo 反白显示 */
.site-header:not(.scrolled) .logo-img {
  filter: brightness(0) invert(1);
}

.site-header:not(.scrolled) .main-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.site-header:not(.scrolled) .main-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.site-header:not(.scrolled) .main-nav a.active {
  color: #fff;
  font-weight: 700;
}

.site-header:not(.scrolled) .main-nav a.active::after {
  background: #fff;
}

.site-header:not(.scrolled) .nav-toggle {
  background: rgba(255, 255, 255, 0.14);
}

.site-header:not(.scrolled) .nav-toggle span {
  background: #fff;
}

/* 移动端展开的白色下拉面板内恢复深色文字 */
@media (max-width: 1024px) {
  .site-header:not(.scrolled) .main-nav a {
    color: var(--ink);
  }

  .site-header:not(.scrolled) .main-nav a:hover {
    color: var(--blue-600);
    background: var(--blue-50);
  }

  .site-header:not(.scrolled) .main-nav a.active {
    color: var(--blue-600);
  }

  .site-header:not(.scrolled) .main-nav a.active::after {
    background: var(--blue-600);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 46px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  padding: 9px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  border-radius: 10px;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--blue-600);
  background: var(--blue-50);
}

.main-nav a.active {
  color: var(--blue-600);
  font-weight: 700;
}

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan));
}

.header-cta {
  flex-shrink: 0;
  padding: 11px 24px;
  font-size: 15px;
}

/* 免费测速下拉按钮 */
.cta-speed {
  position: relative;
  flex-shrink: 0;
}
.cta-speed-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.cta-speed-btn .chev {
  width: 14px;
  height: 14px;
  transition: transform 0.25s;
}
.cta-speed:hover .cta-speed-btn .chev,
.cta-speed.open .cta-speed-btn .chev {
  transform: rotate(180deg);
}
.cta-speed-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 168px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 46px rgba(11, 92, 255, 0.16), 0 4px 14px rgba(18, 35, 74, 0.08);
  padding: 7px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
  z-index: 200;
}
.cta-speed:hover .cta-speed-menu,
.cta-speed.open .cta-speed-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.cta-speed-menu a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  transition: background 0.18s, color 0.18s;
}
.cta-speed-menu a svg {
  width: 17px;
  height: 17px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 1px;
}
.cta-speed-menu .m-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.cta-speed-menu .m-text b {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.2;
}
.cta-speed-menu .m-text span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.2;
}
.cta-speed-menu a:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: var(--blue-50);
  border-radius: 12px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  margin-left: auto;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--blue-600);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 150px 0 110px;
  background:
    linear-gradient(100deg, rgba(6, 16, 40, 0.86) 0%, rgba(6, 16, 40, 0.66) 48%, rgba(6, 16, 40, 0.45) 100%),
    url("../images/banner_bg.jpg") center / cover no-repeat;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
}

.hero-grid > div {
  /* max-width: 720px; */
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.26);
  color: #dceaff;
  font-size: 14px;
  font-weight: 700;
  backdrop-filter: blur(8px);
  margin-bottom: 26px;
}

.hero-tag i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.18);
  animation: pulse 2.2s ease infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.22); }
  50% { box-shadow: 0 0 0 7px rgba(0, 194, 255, 0.06); }
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: #fff;
  text-shadow: 0 2px 26px rgba(4, 12, 32, 0.4);
}

.hero h1 .hl {
  background: linear-gradient(100deg, #6ea8ff 10%, #35d0ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.hero-sub {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.94);
}

.hero-desc {
  margin-top: 10px;
  font-size: 16px;
  color: rgba(226, 238, 255, 0.78);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(34px); }
  to { opacity: 1; transform: translateY(0); }
}

.anim-in {
  opacity: 0;
  animation: riseIn 0.9s cubic-bezier(0.22, 0.7, 0.3, 1) forwards;
}

.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.2s; }
.d3 { animation-delay: 0.34s; }
.d4 { animation-delay: 0.48s; }

/* ===== 页面级工具类 ===== */
.container-narrow {
  max-width: 920px;
}

.promise-section {
  padding-top: 0;
}

.link-accent {
  color: var(--blue-600);
  font-weight: 700;
}

.text-accent {
  color: var(--blue-600);
}
.d5 { animation-delay: 0.62s; }

.page-hero {
  position: relative;
  padding: 168px 0 84px;
  background:
    linear-gradient(100deg, rgba(6, 16, 40, 0.88) 0%, rgba(6, 16, 40, 0.68) 48%, rgba(6, 16, 40, 0.45) 100%),
    var(--hero-bg, none) center / cover no-repeat;
  background-color: #061028;
  overflow: hidden;
}

.page-hero .crumb {
  font-size: 14px;
  color: rgba(214, 230, 255, 0.66);
  margin-bottom: 16px;
}

.page-hero .crumb a {
  color: #9fd8ff;
}

.page-hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 2px 26px rgba(4, 12, 32, 0.4);
}

.page-hero h1 .hl {
  background: linear-gradient(100deg, #6ea8ff 10%, #35d0ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.page-hero p {
  margin-top: 16px;
  max-width: 640px;
  font-size: 17px;
  color: rgba(214, 230, 255, 0.78);
}

.page-hero .news-meta {
  color: rgba(214, 230, 255, 0.66);
}

.page-hero .news-meta .cat {
  background: rgba(255, 255, 255, 0.14);
  color: #9fd8ff;
}

.dg-board {
  position: relative;
  border-radius: 0;
  padding: 72px 60px 56px;
  background:
    radial-gradient(760px 340px at 110% -18%, rgba(0, 194, 255, 0.22), transparent 60%),
    radial-gradient(600px 320px at -12% 115%, rgba(59, 130, 246, 0.26), transparent 62%),
    linear-gradient(115deg, #081430 0%, #0a1f52 58%, #0b2a6e 100%);
  border: none;
  overflow: hidden;
}

/* 诊疗台全屏：突破 container 限制 */
.section.dg-full {
  padding: 0;
}

.dg-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(150, 200, 255, 0.13) 1px, transparent 1.6px);
  background-size: 22px 22px;
  mask-image: linear-gradient(115deg, transparent 42%, rgba(0, 0, 0, 0.7) 78%, rgba(0, 0, 0, 0.9) 100%);
  pointer-events: none;
}

.dg-board > * {
  position: relative;
  z-index: 1;
}

.dg-head {
  max-width: 780px;
  margin: 0 auto 44px;
  text-align: center;
}

.dg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(140, 200, 255, 0.32);
  background: rgba(0, 194, 255, 0.08);
  color: #9fd8ff;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.dg-eyebrow i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.dg-head h2 {
  margin-top: 20px;
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.35;
  color: #fff;
}

.dg-head h2 .hl {
  background: linear-gradient(92deg, #6ea8ff, #35d0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dg-head p {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(214, 230, 255, 0.75);
}

.dg-versus {
  display: grid;
  grid-template-columns: 1fr 84px 1fr;
  align-items: stretch;
}

.dg-side {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  padding: 26px 30px 28px;
}

.dg-symptom {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 190, 110, 0.2);
}

.dg-cure {
  background: rgba(0, 194, 255, 0.07);
  border: 1px solid rgba(0, 194, 255, 0.24);
}

.dg-side-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.dg-symptom .dg-side-label {
  color: #ffc069;
}

.dg-cure .dg-side-label {
  color: var(--blue-600);
}

.dg-row {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}

.dg-row:last-child {
  border-bottom: none;
  padding-bottom: 4px;
}

.dg-ico {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 180, 84, 0.12);
  border: 1px solid rgba(255, 180, 84, 0.26);
  color: #ffb454;
}

.dg-ico svg {
  width: 22px;
  height: 22px;
}

.dg-row h3 {
  font-size: 16.5px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 5px;
}

.dg-row p {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(224, 232, 255, 0.66);
}

.dg-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dg-arrow span {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(140, 200, 255, 0.35);
  background: rgba(0, 194, 255, 0.08);
  box-shadow: 0 0 24px rgba(0, 194, 255, 0.18);
  color: #5fd8ff;
}

.dg-arrow svg {
  width: 24px;
  height: 24px;
}

.dg-cure ul {
  list-style: none;
  margin: 4px 0 0;
}

.dg-cure li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  align-items: flex-start;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(232, 242, 255, 0.9);
}

.dg-cure li svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: #5fd8ff;
}

.dg-cure .btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

.dg-principles {
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px dashed rgba(140, 195, 255, 0.2);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.dg-prin {
  display: flex;
  gap: 16px;
}

.dg-prin i {
  font-style: normal;
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: transparent;
  -webkit-text-stroke: 1.3px rgba(140, 200, 255, 0.55);
}

.dg-prin h4 {
  font-size: 15.5px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.dg-prin p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(214, 230, 255, 0.72);
}

.biz-show {
  display: grid;
  grid-template-columns: 7fr 3fr;
  background: #fff;
  overflow: hidden;
  min-height: 560px;
}

/* 全屏业务区：突破 container 宽度限制 */
.section.biz-full {
  padding: 0;
}

.section.biz-full .container {
  width: 100%;
  max-width: none;
}

.biz-visual {
  position: relative;
  overflow: hidden;
  min-height: 420px;
}

.biz-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.45s ease;
}

.biz-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(9, 43, 104, 0) 42%, rgba(9, 43, 104, 0.82));
}

.biz-caption {
  position: absolute;
  z-index: 2;
  left: 40px;
  right: 40px;
  bottom: 36px;
  color: #fff;
}

.biz-caption h3 {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  margin-bottom: 10px;
}

.biz-caption p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
  max-width: 480px;
  transition: opacity 0.3s ease;
}

.biz-caption h3,
.biz-caption p {
  transition: opacity 0.3s ease;
}

.biz-dots {
  position: absolute;
  z-index: 3;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
}

.biz-dots::before {
  content: "";
  position: absolute;
  top: -34px;
  bottom: -34px;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.55), transparent);
}

.biz-dots span {
  position: relative;
  z-index: 1;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transition: all 0.3s ease;
}

.biz-dots span.active {
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.22);
}

.biz-go {
  position: absolute;
  z-index: 3;
  left: 48px;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border: none;
  outline: none;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan));
  box-shadow: 0 4px 14px rgba(11, 92, 255, 0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.biz-go:hover {
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 16px 36px rgba(11, 92, 255, 0.55);
}

.biz-go svg {
  width: 22px;
  height: 22px;
}

.biz-side {
  display: flex;
  flex-direction: column;
  padding: 46px 42px 36px;
}

.biz-side-head h2 {
  font-size: clamp(23px, 2.2vw, 29px);
  font-weight: 800;
  margin: 10px 0 8px;
}

.biz-side-head p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.7;
}

/* 侧栏为窄列，标题需允许换行，避免单行溢出 */
.biz-side-head .scene-title-block h2,
.biz-side-head .scene-title-block p {
  white-space: normal;
}

.biz-list {
  position: relative;
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.biz-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  max-width: 380px;
  background: #fff;
  border: 1px solid rgba(226, 232, 240, 0.7);
  border-radius: 14px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.biz-row:hover {
  background: var(--blue-50);
}

.biz-row:focus-visible {
  outline: 2px solid var(--blue-600);
  outline-offset: -2px;
}

.biz-row-ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  color: var(--blue-600);
  flex-shrink: 0;
  transition: color 0.3s ease;
}

.biz-row-ico svg {
  width: 21px;
  height: 21px;
}

.biz-row-name {
  flex: 1;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  transition: color 0.3s ease;
}

.biz-row-plus {
  font-size: 22px;
  font-weight: 300;
  color: var(--muted);
  transition: color 0.3s ease;
}

.biz-row.active,
.biz-row.active:hover {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  border-bottom-color: transparent;
  box-shadow: none;
}

.biz-row.active .biz-row-name {
  color: #fff;
}

.biz-row.active .biz-row-ico {
  color: #fff;
}

.biz-row.active .biz-row-plus {
  color: #fff;
}

.biz-side-foot {
  margin-top: auto;
  padding-top: 30px;
}

.biz-side-foot p {
  font-size: 14px;
  color: var(--muted);
}

.biz-side-foot .biz-link {
  margin-top: 8px;
}

.biz-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--blue-600);
}

.biz-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.biz-link:hover svg {
  transform: translateX(5px);
}

@media (max-width: 1024px) {
  .biz-show {
    grid-template-columns: 1fr;
  }

  .biz-visual {
    min-height: 340px;
  }
}

@media (max-width: 640px) {
  .scene-head {
    gap: 28px;
  }

  .scene-title-block h2,
  .scene-title-block p {
    white-space: normal;
  }

  .biz-visual {
    min-height: 300px;
  }

  .biz-caption {
    left: 24px;
    right: 24px;
    bottom: 24px;
  }

  .biz-go {
    left: auto;
    right: 20px;
    top: 20px;
    transform: none;
    width: 46px;
    height: 46px;
  }

  .biz-go:hover {
    transform: scale(1.08);
  }

  .biz-dots {
    display: none;
  }

  .biz-side {
    padding: 30px 22px 26px;
  }
}

.platform-strip {
  position: relative;
  background: transparent;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
  overflow: hidden;
}

.marquee {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: marquee 30s linear infinite;
}

.marquee + .marquee {
  margin-top: 16px;
}

.marquee.reverse {
  animation-direction: reverse;
}

.platform-strip:hover .marquee {
  animation-play-state: paused;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

.pf-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 13px 26px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--blue-100);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pf-logo:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pf-logo img {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.pf-logo span {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink);
}

.scene-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.audience-row + .scene-grid {
  margin-top: 44px;
}

.scene-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 2 / 3;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}

.scene-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 0.7, 0.3, 1);
}

.scene-card:hover img {
  transform: scale(1.07);
}

.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(6, 16, 40, 0) 40%, rgba(6, 16, 40, 0.52) 68%, rgba(6, 16, 40, 0.9) 100%);
}

.scene-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(14, 70, 220, 0.16) 0%, rgba(10, 52, 190, 0.66) 62%, rgba(8, 40, 150, 0.88) 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.scene-card:hover::before,
.scene-card:focus-within::before {
  opacity: 1;
}

.scene-body {
  position: relative;
  z-index: 2;
  padding: 24px 24px 26px;
  color: #fff;
}

.scene-tag {
  display: inline-block;
  position: relative;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #dceaff;
  padding-bottom: 7px;
  margin-bottom: 13px;
}

.scene-tag::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 194, 255, 0.85);
}

.scene-body h3 {
  font-size: 20.5px;
  font-weight: 800;
  line-height: 1.45;
}

.scene-body p {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(230, 240, 255, 0.88);
  max-height: 0;
  margin-top: 0;
  opacity: 0;
  transform: translateY(8px);
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.45s ease, transform 0.45s ease, margin-top 0.45s ease;
}

.scene-card:hover .scene-body p,
.scene-card:focus-within .scene-body p {
  max-height: 96px;
  margin-top: 10px;
  opacity: 1;
  transform: none;
}

@media (hover: none) {
  .scene-body p {
    max-height: none;
    margin-top: 10px;
    opacity: 1;
    transform: none;
  }
}

.scene-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 15px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.94);
  text-decoration: none;
}

.scene-more svg {
  width: 19px;
  height: 19px;
  transition: transform 0.35s ease;
}

.scene-more:hover {
  color: #fff;
}

.scene-more:hover svg {
  transform: translateX(4px);
}

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.steps::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: linear-gradient(90deg, rgba(11, 92, 255, 0.08), rgba(11, 92, 255, 0.45) 30%, rgba(0, 194, 255, 0.45) 70%, rgba(0, 194, 255, 0.08));
}

.steps::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 0;
  width: 84px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(0, 194, 255, 0.85), transparent);
  filter: blur(1px);
  animation: stepPacket 4.8s linear infinite;
  pointer-events: none;
}

@keyframes stepPacket {
  from { left: -84px; }
  to { left: 100%; }
}

.step {
  position: relative;
  padding: 42px 6px 0 0;
  text-align: left;
}

.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--blue-600);
  box-shadow: 0 0 0 5px rgba(11, 92, 255, 0.08);
  transition: background 0.3s ease, border-color 0.3s ease;
  animation: stepNode 3.6s ease-in-out infinite;
}

.step:nth-child(2)::before { animation-delay: 0.72s; }
.step:nth-child(3)::before { animation-delay: 1.44s; }
.step:nth-child(4)::before { animation-delay: 2.16s; }
.step:nth-child(5)::before { animation-delay: 2.88s; }

@keyframes stepNode {
  0%, 100% { box-shadow: 0 0 0 5px rgba(11, 92, 255, 0.08); }
  50% { box-shadow: 0 0 0 12px rgba(11, 92, 255, 0); }
}

.step .n {
  display: block;
  font-family: var(--font-en);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(11, 92, 255, 0.35);
  transition: -webkit-text-stroke-color 0.3s ease;
}

.step:hover::before {
  background: var(--blue-600);
  animation-play-state: paused;
  box-shadow: 0 0 0 9px rgba(11, 92, 255, 0.16);
}

.step:hover .n {
  -webkit-text-stroke-color: var(--blue-600);
}

.step h3 {
  margin-top: 16px;
  font-size: 17px;
  font-weight: 800;
}

.step .en {
  display: block;
  margin-top: 3px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-500);
}

.step p {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* CTA 全屏：突破 container，占满视口宽度，背景图 + 深色遮罩 */
.section.cta-full {
  padding: 0;
}

.section.cta-full .container {
  width: 100%;
  max-width: none;
}

.cta-band {
  position: relative;
  border-radius: 0;
  padding: 100px 60px;
  background:
    linear-gradient(115deg, rgba(8, 20, 48, 0.88) 0%, rgba(10, 31, 82, 0.82) 45%, rgba(11, 42, 110, 0.68) 75%, rgba(11, 42, 110, 0.45) 100%),
    url("../images/cta.jpeg") center / cover no-repeat;
  color: #fff;
  overflow: hidden;
  text-align: left;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(150, 200, 255, 0.15) 1px, transparent 1.6px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(115deg, transparent 28%, #000 80%);
  mask-image: linear-gradient(115deg, transparent 28%, #000 80%);
  pointer-events: none;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 32%, rgba(140, 205, 255, 0.06) 45%, rgba(140, 205, 255, 0.15) 50%, rgba(140, 205, 255, 0.06) 55%, transparent 68%);
  transform: translateX(-100%);
  animation: ctaSheen 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ctaSheen {
  0%, 58% { transform: translateX(-100%); }
  88%, 100% { transform: translateX(100%); }
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band:has(.cta-side) {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: center;
}

.cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid rgba(140, 200, 255, 0.35);
  background: rgba(0, 194, 255, 0.1);
  color: #9fd8ff;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  margin-bottom: 22px;
}

.cta-tag i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 194, 255, 0.9);
}

.cta-band h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.35;
}

.cta-band h2 .hl {
  background: linear-gradient(100deg, #6ea8ff 10%, #35d0ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cta-band p {
  margin-top: 14px;
  max-width: 520px;
  color: var(--muted);
  font-size: 16px;
}

.cta-band .hero-actions {
  justify-content: flex-start;
}

.cta-side {
  position: relative;
  border: 1px solid rgba(140, 195, 255, 0.22);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(8px);
  padding: 24px 28px 20px;
}

.cta-side::before,
.cta-side::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 0 solid var(--cyan);
}

.cta-side::before {
  top: -1px;
  left: -1px;
  border-top-width: 2px;
  border-left-width: 2px;
  border-top-left-radius: 8px;
}

.cta-side::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 2px;
  border-right-width: 2px;
  border-bottom-right-radius: 8px;
}

.cta-side-label {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(159, 216, 255, 0.75);
  margin-bottom: 6px;
}

.cta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(140, 195, 255, 0.18);
}

.cta-row:last-child {
  border-bottom: none;
}

.cta-row .k {
  font-size: 13.5px;
  color: rgba(214, 230, 255, 0.72);
}

.cta-row .v {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

.cta-row .v em {
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
  color: var(--cyan);
  margin-left: 3px;
}

.site-footer {
  background: linear-gradient(180deg, #f0f6ff 0%, #e6efff 100%);
  border-top: 1px solid var(--blue-100);
  padding: 72px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 52px;
}

.footer-brand p {
  position: relative;
  margin-top: 16px;
  font-size: 14.5px;
  color: var(--muted);
  max-width: 320px;
}

.footer-col ul {
  position: relative;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--ink);
}

.footer-col li {
  margin-bottom: 11px;
}

.footer-col a,
.footer-col li {
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--blue-600);
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.footer-contact svg {
  width: 17px;
  height: 17px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--blue-100);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
}

/* 悬浮按钮组：小巧圆形图标，hover 展开文字 */
.float-widget {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
  box-shadow: 0 8px 22px rgba(11, 92, 255, 0.3);
  transition: all 0.3s ease;
  animation: breathe 3s ease-in-out infinite;
  overflow: hidden;
  position: relative;
}

.float-btn span {
  position: absolute;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.float-btn:hover {
  width: auto;
  border-radius: 999px;
  padding: 0 20px;
  justify-content: flex-start;
  gap: 8px;
  transform: translateY(-2px);
}

.float-btn:hover span {
  position: static;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.float-btn.secondary {
  background: #fff;
  color: var(--blue-600);
  border: 1px solid var(--blue-100);
  box-shadow: var(--shadow-md);
  animation: none;
}

.float-btn svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

/* 返回顶部按钮 */
.float-top {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--blue-600);
  border: 1px solid var(--blue-100);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px) scale(0.85);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.25s ease, background 0.25s ease;
}

.float-top.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.float-top:hover {
  background: var(--blue-600);
  color: #fff;
  border-color: var(--blue-600);
  transform: translateY(-3px);
}

.float-top svg {
  width: 18px;
  height: 18px;
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 12px 30px rgba(11, 92, 255, 0.36); }
  50% { box-shadow: 0 12px 42px rgba(11, 92, 255, 0.55); }
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s cubic-bezier(0.22, 0.7, 0.3, 1), transform 0.8s cubic-bezier(0.22, 0.7, 0.3, 1);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* reveal 错峰延迟档位 */
.reveal-d1 { transition-delay: 0.06s; }
.reveal-d2 { transition-delay: 0.12s; }
.reveal-d3 { transition-delay: 0.18s; }
.reveal-d4 { transition-delay: 0.24s; }

.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.split-2 img {
  border-radius: 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.split-copy p {
  font-size: 17px;
  margin-bottom: 18px;
}

.split-copy p:last-child {
  margin-bottom: 0;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 22px;
}

.adv-item {
  grid-column: span 2;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.adv-item:nth-child(4),
.adv-item:nth-child(5) {
  grid-column: span 3;
}

.adv-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.adv-item .adv-ico {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan));
  color: #fff;
  margin-bottom: 18px;
}

.adv-item .adv-ico svg {
  width: 25px;
  height: 25px;
}

.adv-item h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 8px;
}

.adv-item p {
  font-size: 14.5px;
  color: var(--muted);
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 36px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue-600), var(--cyan));
  border-radius: 2px;
}

.tl-item {
  position: relative;
  padding: 0 0 44px 28px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 5px solid var(--blue-600);
  box-shadow: 0 0 0 5px rgba(11, 92, 255, 0.12);
}

.tl-item .year {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-600);
}

.tl-item h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 6px 0;
}

.tl-item p {
  color: var(--muted);
  font-size: 15px;
  max-width: 560px;
}

.philo-band {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 64px;
  padding: 18px;
  border-radius: 26px;
  background: transparent;
  overflow: hidden;
}

.philo-item {
  position: relative;
  text-align: left;
  padding: 28px 26px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.philo-item:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 92, 255, 0.35);
  box-shadow: 0 16px 36px rgba(11, 92, 255, 0.12);
}

.philo-ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 92, 255, 0.08);
  color: var(--blue-600);
  margin-bottom: 18px;
}

.philo-ico svg {
  width: 22px;
  height: 22px;
}

.philo-item .kw {
  font-family: var(--font-en);
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.1;
  background: linear-gradient(100deg, var(--blue-600) 0%, var(--cyan) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
}

.philo-item p {
  font-size: 14px;
  color: var(--muted);
}

.section:has(.philo-band) {
  padding-bottom: 32px;
}

.section:has(.philo-band) + .section {
  padding-top: 32px;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.tier {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tier:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.tier.hot {
  border: 2px solid var(--blue-600);
  box-shadow: var(--shadow-md);
}

.tier .flag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan));
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.tier h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 4px;
}

.tier .for {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 20px;
}

.tier ul {
  flex: 1;
}

.tier ul li {
  display: flex;
  gap: 9px;
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--blue-50);
  align-items: flex-start;
}

.tier ul li svg {
  width: 17px;
  height: 17px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 4px;
}

.tier .go {
  margin-top: 22px;
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 700;
  font-size: 14.5px;
  transition: background 0.25s ease, color 0.25s ease;
}

.tier .go:hover,
.tier.hot .go {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}

.cmp-wrap {
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  background: #fff;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.cmp-table th,
.cmp-table td {
  padding: 18px 24px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--blue-50);
}

.cmp-table thead th {
  font-size: 16px;
  font-weight: 800;
  padding: 22px 24px;
}

.cmp-table thead th.good {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}

.cmp-table thead th.bad {
  background: #f2f5fb;
  color: var(--muted);
}

.cmp-table tbody th {
  font-weight: 700;
  color: var(--ink);
  background: #fafcff;
  width: 180px;
}

.cmp-table td.good {
  color: var(--blue-700);
  font-weight: 600;
  background: rgba(11, 92, 255, 0.04);
}

.cmp-table td.bad {
  color: var(--muted);
}

.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td {
  border-bottom: none;
}

.audience-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.aud-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  font-weight: 700;
  font-size: 15.5px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.aud-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.aud-item .adv-ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  color: var(--blue-600);
}

.aud-item .adv-ico svg {
  width: 22px;
  height: 22px;
}

.news-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px 20px;
  margin-bottom: 36px;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

#faqTabs {
  margin-bottom: 30px;
}

.tab-btn {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab-btn:hover {
  border-color: var(--blue-400);
  color: var(--blue-600);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(11, 92, 255, 0.26);
}

.search-box {
  position: relative;
  width: 340px;
  flex-shrink: 0;
}

.search-box svg {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 19px;
  height: 19px;
  color: var(--muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  outline: none;
  font-size: 15px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.search-box input:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(11, 92, 255, 0.1);
}

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

.news-item {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.news-item .thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.news-item .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-item:hover .thumb img {
  transform: scale(1.06);
}

.news-item .body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 10px;
}

.news-meta .cat {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 700;
}

.news-item .thumb .cat {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--blue-600);
  font-size: 12.5px;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(6, 16, 40, 0.14);
}

.news-item h3 {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.55;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-item:hover h3 {
  color: var(--blue-600);
}

.news-item .abs {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item .more {
  margin-top: auto;
  padding-top: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--blue-600);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-item .more svg {
  width: 15px;
  height: 15px;
}

.pager {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 44px;
}

.pager a {
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: #fff;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--muted);
  transition: all 0.25s ease;
}

.pager a:hover {
  border-color: var(--blue-400);
  color: var(--blue-600);
}

.pager a.cur {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  border-color: transparent;
  color: #fff;
}

.article-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.article-head {
  margin-bottom: 36px;
}

.article-head h1 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.4;
  margin: 14px 0;
}

.article-body {
  font-size: 16.5px;
  color: #2c3d63;
}

.article-body h2 {
  font-size: 22px;
  font-weight: 800;
  margin: 40px 0 16px;
  color: var(--ink);
}

.article-body p {
  margin-bottom: 18px;
}

.article-body img {
  border-radius: 18px;
  margin: 28px 0;
  border: 1px solid var(--line);
}

.article-body blockquote {
  border-left: 4px solid var(--blue-600);
  background: var(--blue-50);
  padding: 18px 24px;
  border-radius: 0 14px 14px 0;
  margin: 24px 0;
  color: var(--blue-700);
  font-weight: 600;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.related-item {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.related-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.related-item .cat {
  font-size: 12.5px;
  color: var(--blue-600);
  font-weight: 700;
}

.related-item h4 {
  margin-top: 8px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.faq-item.open {
  border-color: var(--blue-100);
  box-shadow: var(--shadow-sm);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 21px 26px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16.5px;
  font-weight: 700;
}

.faq-q .ico {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--blue-50);
  color: var(--blue-600);
  transition: transform 0.3s ease, background 0.3s ease;
}

.faq-q .ico svg {
  width: 16px;
  height: 16px;
}

.faq-item.open .faq-q .ico {
  transform: rotate(45deg);
  background: var(--blue-600);
  color: #fff;
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 0.7, 0.3, 1);
}

.faq-a .inner {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 15px;
  border-top: 1px dashed var(--blue-50);
  padding-top: 16px;
  margin: 0 26px 24px;
  padding-left: 0;
  padding-right: 0;
}

.faq-empty {
  text-align: center;
  padding: 60px 0;
  color: var(--muted);
  display: none;
}

.faq-empty-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.info-card {
  display: flex;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px 26px;
  align-items: flex-start;
}

.info-card .adv-ico {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan));
  color: #fff;
}

.info-card .adv-ico svg {
  width: 23px;
  height: 23px;
}

.info-card h3 {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 4px;
}

.info-card p {
  font-size: 15px;
  color: var(--muted);
}

.info-card p b {
  color: var(--ink);
  font-size: 17px;
}

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-card h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 6px;
}

.form-card > p {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-field label i {
  color: #ff5b5b;
  font-style: normal;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--bg);
  outline: none;
  font-size: 15px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue-500);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(11, 92, 255, 0.1);
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  width: 100%;
  margin-top: 6px;
}

.form-note {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.wx-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.wx-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
}

.wx-card img {
  width: 168px;
  height: 168px;
  margin: 18px auto 8px;
  border-radius: 14px;
  border: 1px solid var(--blue-100);
}

.wx-card h3 {
  font-size: 17.5px;
  font-weight: 800;
}

.wx-card p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}

.promise-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(135deg, #eaf2ff, #e2f4ff);
  border: 1px solid var(--blue-100);
  border-radius: 24px;
  padding: 44px;
}

.promise-band h2 {
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 14px;
}

.promise-band img {
  border-radius: 18px;
  box-shadow: var(--shadow-md);
}

.promise-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  align-items: flex-start;
}

.promise-item svg {
  width: 22px;
  height: 22px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 3px;
}

.promise-item h4 {
  font-size: 16px;
  font-weight: 800;
}

.promise-item p {
  font-size: 14px;
  color: var(--muted);
}

.empty-tip {
  text-align: center;
  color: var(--muted);
  padding: 48px 0;
  display: none;
}

@media (max-width: 1024px) {
  .scene-grid,
  .news-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    /* header 的 backdrop-filter 会使 fixed 相对 header 定位，故用视口单位定高 */
    height: calc(100vh - 76px);
    height: calc(100dvh - 76px);
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 12px 20px 32px;
    gap: 2px;
    display: flex;
    overflow-y: auto;
    opacity: 0;
    transform: translateX(-32px);
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  }

  .main-nav.open {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
  }

  .main-nav a {
    padding: 14px 16px;
    font-size: 16.5px;
    border-radius: 12px;
  }

  /* 移动端当前页用浅色药丸高亮，隐藏桌面端的下划线 */
  .main-nav a.active {
    background: var(--blue-50);
  }

  .main-nav a.active::after {
    display: none;
  }

  /* 展开时菜单项依次从左侧淡入 */
  .main-nav.open a {
    animation: nav-item-in 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .main-nav.open a:nth-child(1) { animation-delay: 0.04s; }
  .main-nav.open a:nth-child(2) { animation-delay: 0.08s; }
  .main-nav.open a:nth-child(3) { animation-delay: 0.12s; }
  .main-nav.open a:nth-child(4) { animation-delay: 0.16s; }
  .main-nav.open a:nth-child(5) { animation-delay: 0.2s; }
  .main-nav.open a:nth-child(6) { animation-delay: 0.24s; }
  .main-nav.open a:nth-child(7) { animation-delay: 0.28s; }

  @keyframes nav-item-in {
    from {
      opacity: 0;
      transform: translateX(-18px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  /* 菜单展开时 header 与白色面板融为一体，logo 恢复彩色 */
  .site-header.nav-open {
    background: #fff;
    box-shadow: 0 1px 0 var(--line);
  }

  .site-header.nav-open .logo-img {
    filter: none;
  }

  .site-header.nav-open .nav-toggle {
    background: var(--blue-50);
  }

  .site-header.nav-open .nav-toggle span {
    background: var(--blue-600);
  }

  body.nav-lock {
    overflow: hidden;
  }

  .nav-toggle {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero-grid,
  .split-2,
  .contact-grid,
  .promise-band {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .dg-versus {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .dg-arrow span {
    transform: rotate(90deg);
  }

  .dg-principles {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero {
    min-height: auto;
    padding: 128px 0 80px;
  }

  .audience-row,
  .tier-grid,
  .philo-band {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .adv-item,
  .adv-item:nth-child(4),
  .adv-item:nth-child(5) {
    grid-column: auto;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }

  .steps::before,
  .steps::after {
    display: none;
  }

  /* 移动端：流程步骤改为卡片，隐藏连接圆点 */
  .step {
    padding: 26px 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
  }

  .step::before {
    display: none;
  }

  .cta-band:has(.cta-side) {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cta-band {
    padding: 72px 40px;
    min-height: auto;
  }

  .related-list {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

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

@media (max-width: 640px) {
  .section {
    padding: 64px 0;
  }

  .scene-grid,
  .audience-row,
  .tier-grid,
  .philo-band,
  .adv-grid,
  .steps,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .news-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    width: 100%;
  }

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

  .scene-card {
    aspect-ratio: 4 / 3;
  }

  .cta-band,
  .dg-board {
    padding: 44px 26px;
  }

  .dg-side {
    padding: 22px 20px 24px;
  }

  .form-card {
    padding: 28px 22px;
  }

  /* 移动端：页脚品牌简介占满有效宽度 */
  .footer-brand p {
    max-width: none;
  }

  /* 移动端：页脚业务入口/快速导航横向排列 */
  .footer-grid > div:nth-child(2) ul,
  .footer-grid > div:nth-child(3) ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
  }

  .footer-grid > div:nth-child(2) li,
  .footer-grid > div:nth-child(3) li {
    margin-bottom: 0;
  }

  /* 移动端：悬浮按钮组上移，避免遮盖版权信息 */
  .float-widget {
    bottom: 84px;
  }

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

/* ===== TikTok 专线页 · LIVE SIGNAL 重新设计 ===== */
.tk-hero .tk-hero-copy {
  max-width: 760px;
}

/* 三大卖点 · 大编号卡 */
.tk-pillars-sec .section-head {
  max-width: 640px;
}

.tk-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.tk-pillar {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 28px 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.tk-pillar::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.tk-pillar:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 92, 255, 0.28);
}

.tk-pillar:hover::after {
  transform: scaleX(1);
}

.tk-pillar-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
}

.tk-pillar-num {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  background: linear-gradient(160deg, rgba(11, 92, 255, 0.9), rgba(0, 194, 255, 0.55));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tk-pillar-en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tk-pillar h3 {
  font-size: 21px;
  font-weight: 900;
  margin-bottom: 10px;
}

.tk-pillar p {
  flex: 1;
  font-size: 14.5px;
  color: var(--muted);
}

/* 技术底座 · 深色区 */
.tk-tech {
  position: relative;
  color: #fff;
  background:
    radial-gradient(760px 320px at 85% 20%, rgba(11, 92, 255, 0.3), transparent 70%),
    radial-gradient(560px 280px at 8% 90%, rgba(0, 194, 255, 0.16), transparent 70%),
    linear-gradient(140deg, #07102b 0%, #0a1a40 100%);
  overflow: hidden;
}

.tk-tech::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(106, 166, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 166, 255, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(80% 70% at 50% 50%, #000 30%, transparent 100%);
  pointer-events: none;
}

.tk-tech-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.tk-tech-copy .eyebrow {
  color: #7fd8ff;
}

.tk-tech-copy h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.tk-tech-copy h2 .hl {
  background: linear-gradient(100deg, #6ea8ff 10%, #35d0ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tk-tech-copy p {
  color: rgba(214, 230, 255, 0.75);
  font-size: 16px;
}

.tk-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 30px;
}

.tk-tech-tags span {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: #cfe4ff;
  background: rgba(106, 166, 255, 0.12);
  border: 1px solid rgba(106, 166, 255, 0.3);
}

.tk-topo svg {
  width: 100%;
  height: auto;
  display: block;
}

.tk-topo-links path {
  stroke: rgba(106, 166, 255, 0.3);
  stroke-width: 1.4;
  stroke-dasharray: 5 6;
}

.tk-topo-pulses circle {
  fill: #35d0ff;
  filter: drop-shadow(0 0 6px rgba(53, 208, 255, 0.9));
}

.tk-topo-node circle {
  fill: rgba(11, 92, 255, 0.28);
  stroke: #6aa6ff;
  stroke-width: 1.6;
}

.tk-topo-node .ring {
  fill: none;
  stroke: rgba(53, 208, 255, 0.55);
  stroke-width: 1;
  animation: tk-ring 2.6s ease-out infinite;
  transform-origin: 210px 170px;
}

@keyframes tk-ring {
  0% { transform: scale(0.66); opacity: 1; }
  100% { transform: scale(1.3); opacity: 0; }
}

.tk-topo-node text {
  fill: #fff;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
}

.tk-topo-leaf circle {
  fill: rgba(8, 20, 48, 0.9);
  stroke: rgba(53, 208, 255, 0.75);
  stroke-width: 1.4;
}

.tk-topo-leaf text {
  fill: #9fd8ff;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
}

/* 四大特点 */
.tk-feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.tk-feat {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.tk-feat:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.tk-feat-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  color: var(--blue-600);
  background: linear-gradient(140deg, var(--blue-50), #fff);
  border: 1px solid var(--line);
  margin-bottom: 16px;
}

.tk-feat-ico svg {
  width: 24px;
  height: 24px;
}

.tk-feat h3 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 8px;
}

.tk-feat p {
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .tk-tech-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .tk-pillars {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }

  .tk-feat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .tk-feat-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== 全球节点国家板块（首页） ===== */
.country-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.country-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.country-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(320px 160px at 100% 0%, rgba(11, 92, 255, 0.08), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.country-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
}

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

.country-card .ct-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.country-card .ct-flag {
  width: 52px;
  height: 38px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 3px 10px rgba(6, 16, 40, 0.16);
  flex-shrink: 0;
}

.country-card h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
}

.country-card .ct-en {
  display: block;
  margin-top: 2px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.country-card .ct-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.country-card .ct-ping {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 700;
}

.country-card .ct-ping i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0bbf6a;
  box-shadow: 0 0 0 3px rgba(11, 191, 106, 0.16);
}

.country-card .ct-go {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--blue-600);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.country-card:hover .ct-go {
  opacity: 1;
  transform: translateX(0);
}

.country-card .ct-go svg {
  width: 15px;
  height: 15px;
}

/* ===== 国家列表页（list-country.html） ===== */
.lc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px 20px;
  margin-bottom: 36px;
}

.lc-count {
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
}

.lc-count b {
  color: var(--blue-600);
  font-family: var(--font-en);
  font-size: 16px;
}

.country-card .lc-badge {
  position: absolute;
  top: 18px;
  right: 20px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 700;
}

.txt-link {
  color: var(--blue-600);
  font-weight: 700;
}

.txt-link:hover {
  text-decoration: underline;
}

/* ===== 悬浮二维码按钮与弹层 ===== */
.float-qr {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.float-qr-btn {
  cursor: pointer;
  border: 1px solid var(--blue-100);
}

.float-qr-pop {
  position: absolute;
  right: calc(100% + 14px);
  bottom: 0;
  width: 196px;
  padding: 16px 16px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  opacity: 0;
  transform: translateX(10px) scale(0.94);
  transform-origin: right bottom;
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease;
  z-index: 95;
}

.float-qr-pop::after {
  content: "";
  position: absolute;
  right: -7px;
  bottom: 20px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: rotate(45deg);
}

.float-qr:hover .float-qr-pop,
.float-qr.open .float-qr-pop {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

.float-qr-pop img {
  width: 150px;
  height: 150px;
  margin: 0 auto;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.float-qr-pop p {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}

.float-qr-pop span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

/* ===== 资讯详情：页头与正文区 ===== */
.page-hero-article {
  padding-bottom: 64px;
}

.article-section {
  padding-top: 24px;
}

/* ===== 资讯详情：正文信息条 ===== */
.article-info {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding: 14px 20px;
  margin-bottom: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 13.5px;
  color: var(--muted);
}

.article-info .ai-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.article-info svg {
  width: 15px;
  height: 15px;
  color: var(--blue-500);
  flex-shrink: 0;
}

.article-info b {
  font-weight: 700;
  color: var(--ink);
}

/* ===== 资讯详情：上一篇 / 下一篇 ===== */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 44px;
}

.article-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.article-nav a:hover {
  transform: translateY(-3px);
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
}

.article-nav .an-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--blue-50);
  color: var(--blue-600);
  flex-shrink: 0;
  transition: background 0.25s ease, color 0.25s ease;
}

.article-nav a:hover .an-arrow {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}

.article-nav .an-arrow svg {
  width: 17px;
  height: 17px;
}

.article-nav .an-label {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 3px;
}

.article-nav .an-title {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
}

.article-nav .an-next {
  justify-content: flex-end;
  text-align: right;
}

/* ===== 相关文章卡片缩略图 ===== */
.related-item .rel-thumb {
  margin: 0 0 12px;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.related-item .rel-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-item:hover .rel-thumb img {
  transform: scale(1.06);
}

/* ===== 国家详情页 ===== */
.ct-hero-head {
  display: flex;
  align-items: center;
  gap: 18px;
}

.ct-hero-head .ct-flag-lg {
  width: 74px;
  height: 54px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 26px rgba(4, 12, 32, 0.5);
  flex-shrink: 0;
}

.ct-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.ct-hero-stats .ct-stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #d6e6ff;
  font-size: 13.5px;
  backdrop-filter: blur(6px);
}

.ct-hero-stats .ct-stat b {
  color: #35d0ff;
  font-family: var(--font-en);
}

.ct-hero-stats svg {
  width: 15px;
  height: 15px;
  color: #6ea8ff;
}

.ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

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

.ct-why-card {
  padding: 28px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.ct-why-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-100);
  box-shadow: var(--shadow-md);
}

/* 入场动画：.ct-why-card 定义在 .reveal 之后会覆盖其 transition，这里提特异性补回 */
.ct-why-card.reveal {
  transition: opacity 0.8s cubic-bezier(0.22, 0.7, 0.3, 1), transform 0.8s cubic-bezier(0.22, 0.7, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.ct-why-card .ct-why-ico {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
  box-shadow: 0 8px 18px rgba(11, 92, 255, 0.26);
  margin-bottom: 16px;
}

.ct-why-card .ct-why-ico svg {
  width: 21px;
  height: 21px;
}

.ct-why-card h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 8px;
}

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

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

.ct-aud-card {
  position: relative;
  padding: 30px 28px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* 入场动画：.ct-aud-card 定义在 .reveal 之后会覆盖其 transition，这里提特异性补回 */
.ct-aud-card.reveal {
  transition: opacity 0.8s cubic-bezier(0.22, 0.7, 0.3, 1), transform 0.8s cubic-bezier(0.22, 0.7, 0.3, 1), box-shadow 0.3s ease;
}

.ct-aud-card .ct-aud-no {
  font-family: var(--font-en);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(120deg, var(--blue-600), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
}

.ct-aud-card h3 {
  margin: 12px 0 8px;
  font-size: 17.5px;
  font-weight: 800;
}

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

.ct-plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

/* 只有一个套餐卡片时单列居中，宽度与双列时单卡一致 */
.ct-plan-grid:has(> .ct-plan:only-child) {
  grid-template-columns: minmax(0, 468px);
  justify-content: center;
}

.ct-plan {
  position: relative;
  padding: 34px 32px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.ct-plan.featured {
  background: linear-gradient(135deg, #0a1f52, #0b2a6e);
  border-color: transparent;
  color: #fff;
}

.ct-plan .ct-plan-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 14px;
}

.ct-plan.featured .ct-plan-tag {
  background: rgba(255, 255, 255, 0.14);
  color: #9fd8ff;
}

.ct-plan h3 {
  font-size: 21px;
  font-weight: 900;
  margin-bottom: 8px;
}

.ct-plan > p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

.ct-plan.featured > p {
  color: rgba(214, 230, 255, 0.75);
}

.ct-plan ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
  margin-bottom: 26px;
}

.ct-plan li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
}

.ct-plan li svg {
  width: 16px;
  height: 16px;
  color: var(--blue-500);
  flex-shrink: 0;
}

.ct-plan.featured li svg {
  color: #35d0ff;
}

.ct-region-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.ct-region-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px 10px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.ct-region-chip:hover {
  transform: translateY(-3px);
  border-color: var(--blue-400);
  box-shadow: var(--shadow-sm);
  color: var(--blue-600);
}

.ct-region-chip img {
  width: 30px;
  height: 22px;
  border-radius: 5px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(6, 16, 40, 0.16);
}

.ct-region-chip.cur {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  border-color: transparent;
  color: #fff;
  pointer-events: none;
}

@media (max-width: 1024px) {
  .country-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ct-why-grid,
  .ct-aud-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ct-plan-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ct-why-grid,
  .ct-aud-grid,
  .article-nav {
    grid-template-columns: 1fr;
  }

  /* 国家节点：最小尺寸同样保持一行 2 个卡片，图标与名称上下结构 */
  .country-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .country-card {
    gap: 10px;
    padding: 16px 14px 14px;
    border-radius: 16px;
  }

  .country-card .ct-top {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .country-card .ct-flag {
    width: 44px;
    height: 32px;
  }

  .country-card h3 {
    font-size: 16px;
  }

  .country-card .ct-en {
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .country-card .ct-meta {
    gap: 6px;
    font-size: 11.5px;
  }

  .country-card .ct-go {
    display: none;
  }

  .article-nav .an-next {
    justify-content: flex-start;
    text-align: left;
  }

  .ct-hero-head .ct-flag-lg {
    width: 58px;
    height: 42px;
  }

  .float-qr-pop {
    width: 172px;
  }

  .float-qr-pop img {
    width: 128px;
    height: 128px;
  }
}

/* ===== 套餐价格页共享组件（plan-operation / plan-tiktok） ===== */
.section.soft {
  background: var(--blue-50);
}

/* hero 背景变体：配合 .page-hero 的 var(--hero-bg) 使用 */
.page-hero-solution {
  --hero-bg: url("../images/banner-zhuanxian.jpg");
}

.page-hero-tiktok {
  --hero-bg: url("../images/banner-tiktok.jpg");
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  align-items: stretch;
}

.plan-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.plan-card.hot {
  border: 2px solid var(--blue-600);
  box-shadow: var(--shadow-md);
}

.plan-card .flag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan));
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  white-space: nowrap;
}

.plan-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 4px;
}

.plan-card .for {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
  min-height: 37px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: 14px 0 16px;
  margin-bottom: 16px;
  border-top: 1px solid var(--blue-50);
  border-bottom: 1px solid var(--blue-50);
}

.plan-price .cur {
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-600);
}

.plan-price .num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}

.plan-card.hot .plan-price .num {
  color: var(--blue-600);
}

.plan-price .per {
  font-size: 13px;
  color: var(--muted);
  margin-left: 4px;
}

.plan-card ul {
  flex: 1;
}

.plan-card ul li {
  display: flex;
  gap: 9px;
  font-size: 13.5px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--blue-50);
  align-items: flex-start;
}

.plan-card ul li svg {
  width: 16px;
  height: 16px;
  color: var(--blue-600);
  flex-shrink: 0;
  margin-top: 4px;
}

.plan-card .go {
  margin-top: 20px;
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 700;
  font-size: 14.5px;
  transition: background 0.25s ease, color 0.25s ease;
}

.plan-card .go:hover,
.plan-card.hot .go {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}

/* 套餐参数对比表 */
.plan-cmp thead th {
  text-align: center;
}

.plan-cmp thead th:first-child,
.plan-cmp tbody th {
  text-align: left;
}

.plan-cmp tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.plan-cmp tbody td {
  text-align: center;
}

.plan-cmp thead th.hot-col {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
}

.plan-cmp tbody td.hot-col {
  background: var(--blue-50);
  color: var(--blue-700);
  font-weight: 700;
}

.plan-cmp tr.price-row td {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.plan-cmp .yes {
  color: var(--blue-600);
  font-weight: 700;
}

.plan-cmp .no {
  color: #b8c3d9;
}

/* 套餐页交叉引导条 */
.plan-cross {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 22px 28px;
  border-radius: 16px;
  background: linear-gradient(100deg, var(--blue-50), #eaf4ff);
  border: 1px solid var(--blue-100);
}

.plan-cross .txt {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ink);
}

.plan-cross .txt span {
  display: block;
  margin-top: 3px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
}

.plan-cross .btn {
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .plan-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .plan-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .plan-grid,
  .plan-grid.cols-4 {
    grid-template-columns: 1fr;
  }

  .plan-card .for {
    min-height: 0;
  }
}