/* ========================================
   买球网CN 官方品牌站 共享样式
   文件：/assets/site.css
   设计基调：深蓝 / 运动橙 / 数据金
   版式：非对称网格 · 粗边框 · 倾斜卡片
   ======================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 1.7;
  background-color: #E8EEF5;
  color: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: #F5C542;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #F47B20;
}

img, svg, video {
  max-width: 100%;
  display: block;
  height: auto;
}

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* ---------- CSS Variables ---------- */
:root {
  --c-deep-blue: #0A1B3D;
  --c-deep-blue-2: #0C2043;
  --c-deep-blue-3: #081528;
  --c-orange: #F47B20;
  --c-gold: #F5C542;
  --c-white: #FFFFFF;
  --c-cloud: #E8EEF5;
  --c-titan: #B0BCCD;
  --c-teal: #37B2A4;
  --c-red: #C8463E;

  --font-headline: "Songti SC", "STSong", "SimSun", serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-number: "Roboto Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --space-2: 0.5rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --border-2: 2px solid;
  --border-4: 4px solid;

  --shadow-heavy: 0 12px 30px rgba(10, 27, 61, 0.35);
  --shadow-orange: 0 6px 20px rgba(244, 123, 32, 0.28);
  --shadow-gold: 0 6px 20px rgba(245, 197, 66, 0.22);

  --container-width: 1200px;
  --container-padding: clamp(1rem, 4vw, 2.5rem);

  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;

  --fs-h1: clamp(2.5rem, 5vw, 4rem);
  --fs-h2: clamp(1.8rem, 3.2vw, 2.2rem);
  --fs-h3: 1.4rem;
  --fs-body: 1rem;
  --fs-sm: 0.875rem;
  --fs-xs: 0.75rem;
  --fs-display: clamp(3.5rem, 8vw, 6rem);

  --nav-h: 68px;
}

/* ---------- Focus visible ---------- */
:focus-visible {
  outline: 3px solid #F47B20;
  outline-offset: 3px;
  border-radius: 2px;
}

:target {
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-headline);
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-white);
}

h1 {
  font-size: var(--fs-h1);
}

h2 {
  font-size: var(--fs-h2);
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
}

.section-title {
  font-size: var(--fs-h2);
}

.section-title--lg {
  font-size: var(--fs-h1);
}

.text-gold {
  color: var(--c-gold);
}

.text-orange {
  color: var(--c-orange);
}

.text-muted {
  color: var(--c-titan);
}

/* 等宽数字高亮 */
.data-number {
  font-family: var(--font-number);
  font-weight: 700;
  color: var(--c-orange);
  letter-spacing: -0.02em;
}

.data-number--gold {
  color: var(--c-gold);
}

.data-number--white {
  color: var(--c-white);
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2000;
  background: var(--c-orange);
  color: var(--c-white);
  font-weight: 700;
  padding: 8px 18px;
  font-size: 0.95rem;
  transform: translateY(-200%);
  transition: transform 0.25s ease;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-orange);
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--c-white);
}

/* ---------- Progress Bar ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--c-orange) 0%, var(--c-gold) 100%);
  z-index: 1500;
  box-shadow: 0 0 12px rgba(244, 123, 32, 0.6);
  transition: width 0.1s linear;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.site-header.is-scrolled {
  background: var(--c-deep-blue);
  box-shadow: var(--shadow-heavy);
}

.site-header.is-scrolled .site-header__inner {
  background: var(--c-deep-blue);
}

.site-header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: transparent;
  transition: background 0.4s ease;
}

/* 品牌标识 */
.site-header__brand {
  flex-shrink: 0;
}

.site-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-brand__cn {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: 0.03em;
  transition: color 0.3s ease;
  text-shadow: 0 2px 8px rgba(10, 27, 61, 0.4);
}

.site-brand:hover .site-brand__cn {
  color: var(--c-gold);
}

.site-brand__en {
  font-family: var(--font-number);
  font-size: 0.6rem;
  color: var(--c-gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(10, 27, 61, 0.5);
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.site-nav__link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-white);
  padding: 8px 0;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-nav__link::after {
  position: absolute;
  content: "";
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.site-nav__link:hover {
  color: var(--c-gold);
}

.site-nav__link:hover::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--c-orange);
  font-weight: 700;
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* 状态条 */
.status-bar {
  background: var(--c-teal);
  padding: 4px 0;
  text-align: center;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 12px rgba(55, 178, 164, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.status-bar__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-white);
  animation: statusDot 2.2s ease-in-out infinite;
}

@keyframes statusDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.status-bar__text {
  color: var(--c-white);
  font-weight: 600;
}

@media (prefers-reduced-motion: reduce) {
  .status-bar__dot {
    animation: none;
  }
}

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px 6px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background: var(--c-white);
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.nav-toggle:hover .nav-toggle__bar {
  background: var(--c-orange);
}

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

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

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

.nav-toggle__text {
  font-size: 0.65rem;
  color: var(--c-white);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-deep-blue-3);
  color: var(--c-titan);
  border-top: 4px solid #12294d;
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-orange) 0%, var(--c-gold) 50%, transparent 100%);
}

.site-footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem var(--container-padding) 1.5rem;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
  gap: 2rem;
}

.site-footer__col {
  min-width: 0;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-brand__cn {
  font-family: var(--font-headline);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: 0.06em;
  line-height: 1.1;
}

.footer-brand__cn-sub {
  font-size: 0.85rem;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  margin-bottom: 6px;
}

.footer-brand__slogan {
  font-size: var(--fs-sm);
  color: var(--c-titan);
  margin-top: 8px;
  font-weight: 400;
}

.footer-brand__pattern {
  width: 100%;
  max-width: 260px;
  margin-top: 12px;
  opacity: 0.6;
}

.footer-accent {
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid #16305e;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.footer-list a {
  color: var(--c-titan);
  font-size: 0.9rem;
  transition: color 0.25s ease;
}

.footer-list a:hover {
  color: var(--c-gold);
}

.footer-list--compact li {
  font-size: 0.82rem;
  color: var(--c-titan);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.4;
}

.footer-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-orange);
  flex-shrink: 0;
  margin-top: 8px;
}

.site-footer__bottom {
  border-top: 1px solid #12294d;
  padding: 1.2rem var(--container-padding);
  text-align: center;
  font-size: 0.8rem;
  color: #8a9ab5;
}

.site-footer__bottom p {
  padding: 2px 0;
}

.site-footer__support {
  font-style: normal;
  opacity: 0.8;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 26px;
  border: var(--border-4) solid var(--c-orange);
  background: var(--c-orange);
  color: var(--c-white);
  letter-spacing: 0.08em;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  box-shadow: var(--shadow-orange);
  border-radius: var(--radius-none);
  cursor: pointer;
}

.btn:hover {
  background: transparent;
  color: var(--c-orange);
  transform: translate(2px, -2px);
  box-shadow: none;
}

.btn--ghost {
  background: transparent;
  border-color: var(--c-white);
  color: var(--c-white);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--c-white);
  color: var(--c-deep-blue);
}

.btn--gold {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-deep-blue);
  box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
  background: transparent;
  color: var(--c-gold);
  box-shadow: none;
}

.btn--with-data {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn--with-data .data-number {
  font-size: 1.05rem;
  color: var(--c-deep-blue);
}

.btn--ghost .data-number,
.btn--gold .data-number {
  color: var(--c-deep-blue);
}

/* ---------- Content Grid ---------- */
.page-content {
  padding-top: calc(var(--nav-h) + 45px);
  min-height: 100vh;
}

.content-grid {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 3rem var(--container-padding) 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 3.5rem;
  align-items: start;
}

.content-grid__main {
  min-width: 0;
}

.content-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-widget {
  border: var(--border-2) solid #1c3a68;
  background: var(--c-deep-blue-2);
  padding: 1.5rem;
  box-shadow: var(--shadow-heavy);
}

.sidebar-widget__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-gold);
  margin-bottom: 12px;
  border-bottom: 2px solid #1c3a68;
  padding-bottom: 8px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  padding-top: 1rem;
  padding-bottom: 0.5rem;
  color: var(--c-titan);
  border-bottom: 2px solid #1c3a68;
  margin-bottom: 2rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "▓";
  color: var(--c-orange);
  font-size: 0.6rem;
}

.breadcrumb a {
  color: var(--c-titan);
}

.breadcrumb a:hover {
  color: var(--c-gold);
}

.breadcrumb [aria-current="page"] {
  color: var(--c-gold);
  font-weight: 600;
}

/* ---------- Rate Card ---------- */
.rate-card {
  background: var(--c-white);
  color: var(--c-deep-blue);
  padding: 1.5rem 1.8rem;
  border: var(--border-4) solid var(--c-deep-blue);
  box-shadow: var(--shadow-heavy);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.4, 1), box-shadow 0.4s ease;
  position: relative;
}

.rate-card.is-tilted {
  transform: rotate(3deg);
}

.rate-card.is-tilted:hover {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: 0 20px 40px rgba(10, 27, 61, 0.45);
}

.rate-card__title {
  font-family: var(--font-headline);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-deep-blue);
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.rate-card__price {
  font-family: var(--font-number);
  font-size: 2rem;
  font-weight: 700;
  color: var(--c-orange);
}

.rate-card__meta {
  font-size: 0.8rem;
  color: var(--c-deep-blue);
  opacity: 0.75;
  margin-top: 4px;
}

.rate-card__link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--c-orange);
  border-bottom: 2px solid var(--c-orange);
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.rate-card__link:hover {
  color: var(--c-deep-blue);
  border-color: var(--c-deep-blue);
}

/* ---------- Media Frame ---------- */
.media-frame {
  position: relative;
  background: linear-gradient(135deg, #0C2043 0%, #1a3a6e 100%);
  border: var(--border-4) solid #1c3a68;
  box-shadow: var(--shadow-heavy);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  pointer-events: none;
}

.media-frame.is-tall {
  aspect-ratio: 3 / 4;
}

.media-frame.is-wide {
  aspect-ratio: 21 / 9;
}

.media-frame.is-tilt {
  transform: rotate(2deg);
}

.media-frame__placeholder {
  font-family: var(--font-number);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
}

/* ---------- Data Stream (SVG装饰) ---------- */
.data-stream {
  width: 100%;
  height: 90px;
  overflow: visible;
  pointer-events: none;
}

.data-stream__path {
  fill: none;
  stroke: var(--c-orange);
  stroke-width: 1.5;
  stroke-dasharray: 3 5;
  animation: streamMove 40s linear infinite;
}

.data-stream__path--gold {
  stroke: var(--c-gold);
}

@keyframes streamMove {
  from { stroke-dashoffset: 800; }
  to { stroke-dashoffset: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .data-stream__path {
    animation: none;
    stroke-dashoffset: 0;
  }
}

/* ---------- Section Marker ---------- */
.section-marker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-number);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-orange);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.section-marker::after {
  content: "";
  height: 2px;
  width: 70px;
  background: linear-gradient(90deg, var(--c-orange) 0%, transparent 100%);
}

.section-marker--gold {
  color: var(--c-gold);
}

.section-marker--gold::after {
  background: linear-gradient(90deg, var(--c-gold) 0%, transparent 100%);
}

/* ---------- Align & Layout Helpers ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.text-center { text-align: center; }
.hidden-xs { display: block; }
.visible-xs { display: none; }

/* ---------- Bottom Tabbar (移动端) ---------- */
.bottom-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: var(--c-deep-blue);
  border-top: 2px solid #1c3a68;
  box-shadow: 0 -6px 24px rgba(10, 27, 61, 0.5);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  justify-content: center;
  gap: 8px;
}

.tabbar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  color: var(--c-titan);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color 0.3s ease;
  min-width: 72px;
}

.tabbar-item:hover {
  color: var(--c-gold);
}

.tabbar-item.is-active {
  color: var(--c-orange);
  background: rgba(244, 123, 32, 0.12);
}

.tabbar-item__icon {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
}

.tabbar-item--home .tabbar-item__icon {
  border-radius: 2px;
  border-top: none;
  border-left: none;
}

.tabbar-item--rate .tabbar-item__icon::after {
  content: "¥";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 9px;
  font-weight: 700;
  color: inherit;
}

.tabbar-item--download .tabbar-item__icon {
  border-radius: 0;
  border-right: none;
  border-bottom-width: 3px;
}

/* ---------- Respect user preference: always show navigation on desktop / tablet unless needed ---------- */
@media (max-width: 1024px) {
  .site-nav__list {
    gap: 1.2rem;
  }
}

@media (max-width: 820px) {
  .site-header__inner {
    height: 60px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 27, 61, 0.98);
    padding: 90px 2rem 2rem;
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    overflow-y: auto;
    transform: translateY(-100%);
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .site-nav__link {
    color: var(--c-white);
    font-size: 1.5rem;
  }

  .site-header.is-scrolled .site-header__inner {
    height: 60px;
  }

  /* 移动端底部标签栏 */
  .bottom-tabbar {
    display: flex;
  }

  /* 页面内容为底部标签栏留出空间 */
  .site-footer {
    padding-bottom: calc(60px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .hidden-xs {
    display: none;
  }

  .visible-xs {
    display: block;
  }
}

/* ---------- Data Stream (SVG装饰) ---------- */
@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  .section-title {
    font-size: 1.6rem;
  }
}
/* ---------- CSS Grid Common Sections ---------- */
/* 首页/子页面通用深度蓝主区块： */
.deep-section {
  background: var(--c-deep-blue);
  color: var(--c-white);
  border-top: var(--border-4) solid #1c3a68;
  border-bottom: var(--border-4) solid #1c3a68;
  padding: 4rem 0;
}

.deep-section--alt {
  background: var(--c-deep-blue-2);
}

.deep-section--edge {
  border-top: var(--border-4) solid var(--c-orange);
  border-bottom: var(--border-4) solid var(--c-orange);
}

/* 浅色分隔区 */
.cloud-section {
  background: var(--c-cloud);
  color: var(--c-deep-blue);
  border-top: var(--border-4) solid var(--c-deep-blue);
  border-bottom: var(--border-4) solid var(--c-deep-blue);
}
.cloud-section h2,
.cloud-section h3 {
  color: var(--c-deep-blue);
}

/*--------- Section Content Basic ----------*/
.section-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* 限制窄阅读列 */
.column-narrow {
  max-width: 720px;
}

.column-centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* Page Loading Fade-in (通用) */
.section-fade {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-fade.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .section-fade {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Divider ---------- */
.divider {
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--c-orange) 0px, var(--c-orange) 12px, transparent 12px, transparent 20px);
  border: none;
}

.divider--gold {
  background: repeating-linear-gradient(90deg, var(--c-gold) 0px, var(--c-gold) 12px, transparent 12px, transparent 20px);
}

/* ---------- Question / Answer block ---------- */
.qa-item {
  border-left: var(--border-4) solid var(--c-orange);
  background: var(--c-white);
  padding: 1.5rem;
  box-shadow: var(--shadow-heavy);
  margin-bottom: 1rem;
  color: var(--c-deep-blue);
}

.qa-item__q {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--c-deep-blue);
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.qa-item__q::before {
  content: "Q";
  font-family: var(--font-number);
  font-weight: 700;
  color: var(--c-orange);
  font-size: 1rem;
}

.qa-item__a {
  font-size: 0.95rem;
  font-weight: 400;
  color: #26344f;
  margin-top: 10px;
  padding-left: 29px;
  line-height: 1.7;
}

/* ---------- Footer Col adjustments for .footer-list a include index--------- */
.footer-list--compact li {
  font-size: 0.8rem;
}

/* ---------- Typography: 中文强调插画 ---------- */
.editorial-emphasis {
  font-family: var(--font-headline);
  font-weight: 900;
  line-height: 1.05;
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--c-deep-blue);
  letter-spacing: -0.01em;
}

.editorial-emphasis--inverse {
  color: var(--c-white);
}

.editorial-emphasis .accent {
  color: var(--c-orange);
}

/* ---------- 链接图标 ---------- */
.arrow-link {
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-orange);
  transition: gap 0.3s ease;
}

.arrow-link:hover {
  gap: 10px;
  color: var(--c-deep-blue);
}

/* ---------- 标签 chips ---------- */
.chip {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--c-orange);
  color: var(--c-orange);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.chip--gold {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.chip--blue {
  border-color: var(--c-deep-blue);
  color: var(--c-deep-blue);
}

.chip:hover {
  background: var(--c-orange);
  color: var(--c-white);
}

.chip--gold:hover {
  background: var(--c-gold);
  color: var(--c-deep-blue);
}

/* ---------- 安全区、登录、布局 ---------- */
@media (min-width: 1400px) {
  :root {
    --container-width: 1280px;
  }
}

/* 打印 */
@media print {
  .site-header, .site-footer, .bottom-tabbar, .progress-bar {
    display: none !important;
  }

  .page-content {
    padding: 0;
  }
}
/* ---------- End of Shared Styles ---------- */
/* ---------- mobile extra fixes ---------- */
@media (max-width: 480px) {
  .site-header__inner {
    padding: 0 0.8rem;
    gap: 0.5rem;
  }

  .brand__en {
    display: none;
  }

  .site-brand {
    flex-direction: column;
  }

  .status-bar__text {
    font-size: 0.75rem;
  }

  .rate-card__price {
    font-size: 1.6rem;
  }
}
/* ---------- */

/* 页面底部空区（配合固定栏） */
.page-content {
  padding-bottom: 3rem;
}

@media (max-width: 820px) {
  .page-content {
    padding-bottom: 5rem;
  }
}

/* 使用说明、隐私政策 内容容器 */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem var(--container-padding);
  background: var(--c-white);
  color: var(--c-deep-blue);
  box-shadow: var(--shadow-heavy);
  border-top: var(--border-4) solid var(--c-orange);
}

.legal-content h2 {
  font-size: 1.5rem;
  color: var(--c-deep-blue);
  margin-top: 2rem;
  border-bottom: 2px solid var(--c-cloud);
  padding-bottom: 0.5rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  font-weight: 400;
  line-height: 1.75;
  font-size: 0.95rem;
}

.legal-content ul {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
  font-weight: 400;
}

.legal-content ul li {
  list-style: square;
  margin-bottom: 0.3rem;
  color: var(--c-deep-blue);
}
/* ---------- Table ---------- */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--c-white);
  color: var(--c-deep-blue);
  box-shadow: var(--shadow-heavy);
}

.rate-table th,
.rate-table td {
  padding: 12px 14px;
  text-align: left;
  font-weight: 400;
  border: 2px solid #e0e6ee;
}

.rate-table th {
  font-family: var(--font-headline);
  font-weight: 700;
  background: var(--c-deep-blue);
  color: var(--c-white);
  letter-spacing: 0.02em;
  border-color: #16305e;
}

.rate-table td .data-number {
  font-weight: 700;
}

.rate-table tr:hover td {
  background: rgba(10, 27, 61, 0.05);
}

@media (max-width: 768px) {
  .rate-table {
    font-size: 0.8rem;
  }
  .rate-table th,
  .rate-table td {
    padding: 8px;
  }
}
/* ---------- End ---------- */