/* 百变模板：所有选择器均使用 css365iz 前缀，与 index_article.htm 中 class 一一对应 */

:root {
  --css365iz-color-bg: #0a0e17;
  --css365iz-color-surface: #121a2b;
  --css365iz-color-accent: #00d4aa;
  --css365iz-color-accent-dim: #00a884;
  --css365iz-color-text: #e8edf5;
  --css365iz-color-muted: #8b9cb8;
  --css365iz-color-border: rgba(0, 212, 170, 0.2);
  --css365iz-font-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --css365iz-header-h: 64px;
  --css365iz-container: min(1120px, calc(100% - 2rem));
  /* PC / 平板 / 手机统一主断点：≤960 单列布局 + 抽屉导航 */
  --css365iz-bp-tablet: 960px;
}

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

html {
  scroll-behavior: smooth;
}

.css365iz-body {
  margin: 0;
  font-family: var(--css365iz-font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--css365iz-color-text);
  background: var(--css365iz-color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.css365iz-container {
  width: var(--css365iz-container);
  margin-inline: auto;
}

/* ----- 顶栏导航 ----- */
.css365iz-header {
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--css365iz-color-border);
}

.css365iz-header-inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  min-height: var(--css365iz-header-h);
  gap: 1rem;
}

.css365iz-logo {
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--css365iz-color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.css365iz-logo-accent {
  color: var(--css365iz-color-accent);
}

.css365iz-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--css365iz-color-border);
  border-radius: 8px;
  background: var(--css365iz-color-surface);
  cursor: pointer;
}

.css365iz-nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin-inline: auto;
  background: var(--css365iz-color-accent);
  border-radius: 1px;
}

.css365iz-nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.css365iz-nav-link {
  color: var(--css365iz-color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.css365iz-nav-link:hover,
.css365iz-nav-link:focus-visible {
  color: var(--css365iz-color-accent);
  outline: none;
}

/* ----- 主横幅 Hero ----- */
.css365iz-main {
  overflow-x: hidden;
}

.css365iz-hero {
  position: relative;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: 3rem 4rem;
}

@supports (height: 100svh) {
  .css365iz-hero {
    min-height: clamp(420px, 72svh, 640px);
  }
}

.css365iz-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(0, 212, 170, 0.15), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(0, 100, 200, 0.12), transparent 50%),
    linear-gradient(180deg, #0a0e17 0%, #0d1525 100%);
  pointer-events: none;
}

.css365iz-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2.5rem;
}

.css365iz-hero-content {
  min-width: 0;
}

.css365iz-hero-tag {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--css365iz-color-accent);
}

.css365iz-hero-title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  max-width: 18ch;
}

.css365iz-hero-desc {
  margin: 0 0 1.75rem;
  max-width: min(48rem, 100%);
  color: var(--css365iz-color-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.css365iz-hero-desc p {
  margin: 0 0 0.75rem;
}

.css365iz-hero-desc p:last-child {
  margin-bottom: 0;
}

.css365iz-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.css365iz-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, color 0.2s;
}

.css365iz-btn:focus-visible {
  outline: 2px solid var(--css365iz-color-accent);
  outline-offset: 2px;
}

.css365iz-btn-primary {
  color: #04120e;
  background: linear-gradient(135deg, var(--css365iz-color-accent), var(--css365iz-color-accent-dim));
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.25);
}

.css365iz-btn-primary:hover {
  transform: translateY(-1px);
}

.css365iz-btn-outline {
  color: var(--css365iz-color-accent);
  border: 1px solid var(--css365iz-color-border);
  background: transparent;
}

.css365iz-btn-outline:hover {
  background: rgba(0, 212, 170, 0.08);
}

.css365iz-btn-light {
  color: var(--css365iz-color-bg);
  background: var(--css365iz-color-text);
}

.css365iz-btn-light:hover {
  opacity: 0.92;
}

.css365iz-hero-panel {
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--css365iz-color-border);
  background: var(--css365iz-color-surface);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.css365iz-hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 140px;
}

.css365iz-hero-stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--css365iz-color-accent);
  line-height: 1;
}

.css365iz-hero-stat-unit {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--css365iz-color-muted);
}

/* ----- 通用区块 ----- */
.css365iz-section {
  padding-block: 4rem;
}

.css365iz-section-alt {
  background: var(--css365iz-color-surface);
  border-block: 1px solid var(--css365iz-color-border);
}

.css365iz-section-accent {
  background: linear-gradient(160deg, rgba(0, 212, 170, 0.08) 0%, var(--css365iz-color-surface) 50%);
  border-block: 1px solid var(--css365iz-color-border);
}

.css365iz-section-head {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.css365iz-section-title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
}

.css365iz-section-title-left {
  text-align: left;
}

.css365iz-section-sub {
  margin: 0;
  color: var(--css365iz-color-muted);
  font-size: 1rem;
}

.css365iz-grid {
  display: grid;
  gap: 1.5rem;
}

.css365iz-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.css365iz-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.css365iz-card {
  padding: 1.5rem 1.75rem;
  border-radius: 12px;
  background: var(--css365iz-color-bg);
  border: 1px solid transparent;
}

.css365iz-section-alt .css365iz-card {
  background: rgba(10, 14, 23, 0.6);
}

.css365iz-card-border {
  border-color: var(--css365iz-color-border);
}

.css365iz-card-title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--css365iz-color-accent);
}

.css365iz-card-text {
  margin: 0;
  color: var(--css365iz-color-muted);
  font-size: 0.95rem;
}

.css365iz-strong {
  color: var(--css365iz-color-text);
}

/* ----- 分栏 ----- */
.css365iz-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.css365iz-lead {
  margin: 0 0 1.25rem;
  color: var(--css365iz-color-muted);
}

.css365iz-feature-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--css365iz-color-muted);
}

.css365iz-feature-item {
  margin-bottom: 0.5rem;
}

.css365iz-split-visual {
  position: relative;
  min-height: 220px;
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--css365iz-color-border);
  background: var(--css365iz-color-surface);
}

.css365iz-split-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* ----- CTA ----- */
.css365iz-cta-box {
  text-align: center;
  padding: 2rem;
  border-radius: 14px;
  border: 1px solid var(--css365iz-color-border);
  background: rgba(10, 14, 23, 0.5);
}

.css365iz-cta-text {
  margin: 0 0 1.25rem;
  color: var(--css365iz-color-muted);
}

/* ----- 页脚 ----- */
.css365iz-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--css365iz-color-border);
  background: var(--css365iz-color-surface);
}

.css365iz-footer-text {
  margin: 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--css365iz-color-muted);
  word-break: break-word;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}

.css365iz-footer-links {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--css365iz-color-border);
  font-size: 0.875rem;
  color: var(--css365iz-color-muted);
}

.css365iz-footer-links a {
  color: var(--css365iz-color-muted);
  text-decoration: none;
}

.css365iz-footer-links a:hover,
.css365iz-footer-links a:focus-visible {
  color: var(--css365iz-color-accent);
  outline: none;
}

.css365iz-relate-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: center;
}

.css365iz-footer-powered,
.css365iz-footer-copy {
  margin: 0.5rem 0 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--css365iz-color-muted);
  word-break: break-word;
}

.css365iz-footer-powered a {
  color: var(--css365iz-color-accent);
  text-decoration: none;
}

.css365iz-footer-powered a:hover,
.css365iz-footer-powered a:focus-visible {
  text-decoration: underline;
  outline: none;
}

/* ----- 响应式 ----- */
@media (max-width: 960px) {
  .css365iz-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .css365iz-hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .css365iz-hero-title {
    max-width: none;
  }

  .css365iz-hero-desc {
    max-width: 100%;
    text-align: left;
  }

  .css365iz-hero-actions {
    justify-content: center;
  }

  .css365iz-hero-panel {
    justify-self: center;
  }

  .css365iz-grid-3 {
    grid-template-columns: 1fr;
  }

  .css365iz-grid-2 {
    grid-template-columns: 1fr;
  }

  .css365iz-split {
    grid-template-columns: 1fr;
  }

  .css365iz-section-title-left {
    text-align: center;
  }

  .css365iz-split-content {
    text-align: center;
  }

  .css365iz-feature-list {
    display: inline-block;
    text-align: left;
  }

  .css365iz-header-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 1rem;
    row-gap: 0;
    min-height: var(--css365iz-header-h);
  }

  .css365iz-logo {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }

  .css365iz-nav-toggle {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: center;
    flex-shrink: 0;
  }

  .css365iz-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    position: relative;
    z-index: 101;
    width: 100%;
    min-width: 0;
    min-height: 0;
    max-height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    background: rgba(10, 14, 23, 0.98);
    border-top: 1px solid transparent;
    transition: max-height 0.35s ease, border-color 0.2s ease;
  }

  .css365iz-header .css365iz-container {
    padding-inline: max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-right));
  }

  .css365iz-nav.css365iz-nav-open {
    max-height: min(70vh, 420px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-top-color: var(--css365iz-color-border);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.35);
  }

  .css365iz-nav-list {
    flex-direction: column;
    flex-wrap: nowrap;
    padding: 0.75rem 0 max(1rem, env(safe-area-inset-bottom));
    align-items: stretch;
    gap: 0;
  }

  .css365iz-nav-item {
    border-bottom: 1px solid var(--css365iz-color-border);
  }

  .css365iz-nav-link {
    display: block;
    padding: 0.85rem 0;
  }

  .css365iz-hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    margin-inline: auto;
  }

  .css365iz-hero-actions .css365iz-btn {
    width: 100%;
  }

  .css365iz-section {
    padding-block: clamp(2.5rem, 8vw, 4rem);
  }
}

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

  .css365iz-nav {
    transition: none;
  }
}

/* 桌面：顶栏横排，导航不参与换行 */
@media (min-width: 961px) {
  .css365iz-header-inner {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    min-height: var(--css365iz-header-h);
    gap: 1rem;
    grid-template-columns: none;
    grid-template-rows: none;
  }

  .css365iz-logo {
    grid-column: auto;
    grid-row: auto;
    justify-self: auto;
  }

  .css365iz-nav-toggle {
    grid-column: auto;
    grid-row: auto;
    justify-self: auto;
    align-self: auto;
    margin-left: 0;
  }

  .css365iz-nav {
    grid-column: auto;
    grid-row: auto;
    position: static;
    z-index: auto;
    flex: 0 1 auto;
    width: auto;
    max-width: none;
    min-width: 0;
    max-height: none;
    overflow: visible;
    margin: 0;
    padding: 0;
    background: transparent;
    border-top: none;
    box-shadow: none;
    transition: none;
  }
}

/* 大屏：导航过密时略缩间距（仍保持横排） */
@media (min-width: 961px) and (max-width: 1100px) {
  .css365iz-nav-list {
    gap: 0.25rem 1rem;
  }

  .css365iz-nav-link {
    font-size: 0.9rem;
  }
}