/* ==========================================================================
   动漫岛 bjbxld.cn - 全站样式表
   风格：二次元暗夜霓虹 / 渐变 · 毛玻璃 · 圆角卡片 · 响应式 · 暗色模式
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root {
  /* 主色板 */
  --c-bg: #f4f5fb;
  --c-bg-soft: #ffffff;
  --c-bg-elev: #ffffff;
  --c-ink: #1a1a2e;
  --c-ink-soft: #4a4a5e;
  --c-ink-mute: #7a7a8c;
  --c-line: rgba(26, 26, 46, 0.1);
  --c-primary: #ff6b6b;
  --c-primary-deep: #e84545;
  --c-accent: #ffd93d;
  --c-cyan: #4ecdc4;
  --c-purple: #7b6cf6;
  --c-navy: #1a1a2e;
  --c-navy-2: #16213e;
  --c-navy-3: #0f3460;

  /* 渐变 */
  --g-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  --g-brand: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 100%);
  --g-accent: linear-gradient(135deg, #7b6cf6 0%, #4ecdc4 100%);
  --g-text: linear-gradient(120deg, #ff6b6b 0%, #ffd93d 50%, #4ecdc4 100%);

  /* 毛玻璃 */
  --glass-bg: rgba(255, 255, 255, 0.62);
  --glass-bg-strong: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-blur: 16px;

  /* 圆角与阴影 */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-pill: 999px;
  --sh-sm: 0 2px 10px rgba(26, 26, 46, 0.08);
  --sh-md: 0 8px 28px rgba(26, 26, 46, 0.1);
  --sh-lg: 0 18px 48px rgba(26, 26, 46, 0.16);
  --sh-glow: 0 10px 30px rgba(255, 107, 107, 0.28);

  /* 间距与排版 */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4.5rem;
  --maxw: 1180px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
    system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 暗色模式 ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --c-bg: #0d0d1a;
    --c-bg-soft: #141428;
    --c-bg-elev: #1a1a2e;
    --c-ink: #eef0f8;
    --c-ink-soft: #c3c6d6;
    --c-ink-mute: #8d90a6;
    --c-line: rgba(255, 255, 255, 0.1);
    --c-primary: #ff7a7a;
    --c-primary-deep: #ff6b6b;
    --c-accent: #ffd93d;
    --c-cyan: #5fe0d6;
    --c-purple: #9385ff;
    --g-hero: linear-gradient(135deg, #0b0b18 0%, #141428 45%, #0f3460 100%);
    --glass-bg: rgba(26, 26, 46, 0.55);
    --glass-bg-strong: rgba(26, 26, 46, 0.78);
    --glass-border: rgba(255, 255, 255, 0.12);
    --sh-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
    --sh-md: 0 8px 28px rgba(0, 0, 0, 0.45);
    --sh-lg: 0 18px 48px rgba(0, 0, 0, 0.6);
    --sh-glow: 0 10px 30px rgba(255, 107, 107, 0.35);
  }
}

/* ---------- 基础重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
  background-color: var(--c-bg);
  background-image:
    radial-gradient(1200px 600px at 8% -10%, rgba(255, 107, 107, 0.14), transparent 60%),
    radial-gradient(1000px 520px at 100% 0%, rgba(123, 108, 246, 0.14), transparent 62%),
    radial-gradient(900px 600px at 50% 110%, rgba(78, 205, 196, 0.12), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a {
  color: var(--c-primary-deep);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

a:hover,
a:focus-visible {
  color: var(--c-primary);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--sp-2);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-ink);
}

h1 {
  font-size: clamp(1.7rem, 4.2vw, 2.9rem);
  background: var(--g-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  position: relative;
  padding-left: 1.1rem;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: var(--r-pill);
  background: var(--g-brand);
  box-shadow: 0 0 14px rgba(255, 107, 107, 0.55);
}

h3 {
  font-size: clamp(1.08rem, 1.6vw, 1.25rem);
  color: var(--c-ink);
}

p {
  margin: 0 0 var(--sp-2);
  color: var(--c-ink-soft);
}

ul,
ol {
  margin: 0 0 var(--sp-2);
  padding-left: 1.35rem;
  color: var(--c-ink-soft);
}

li {
  margin-bottom: 0.45rem;
}

strong {
  color: var(--c-ink);
  font-weight: 700;
}

::selection {
  background: rgba(255, 107, 107, 0.28);
  color: var(--c-ink);
}

:focus-visible {
  outline: 3px solid rgba(123, 108, 246, 0.6);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--c-primary), var(--c-purple));
  border-radius: var(--r-pill);
  border: 2px solid transparent;
  background-clip: padding-box;
}

/* ==========================================================================
   头部 Header
   ========================================================================== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.85rem clamp(1rem, 4vw, 2.5rem);
  background: var(--glass-bg);
  -webkit-backdrop-filter: saturate(180%) blur(var(--glass-blur));
  backdrop-filter: saturate(180%) blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--sh-sm);
}

/* 品牌 */
header .brand {
  flex: 0 0 auto;
}

header .brand a {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.22rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  padding: 0.25rem 0.4rem;
  border-radius: var(--r-md);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease);
}

header .brand a:hover {
  transform: translateY(-2px) scale(1.02);
  background: rgba(255, 107, 107, 0.08);
  color: var(--c-ink);
}

header .brand svg {
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(255, 107, 107, 0.35);
  transition: transform 0.5s var(--ease), box-shadow 0.35s var(--ease);
}

header .brand a:hover svg {
  transform: rotate(-6deg) scale(1.06);
  box-shadow: 0 10px 26px rgba(255, 107, 107, 0.5);
}

header .brand span {
  background: var(--g-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 主导航 */
header nav {
  flex: 1 1 auto;
  min-width: 0;
}

header nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

header nav li {
  margin: 0;
}

header nav a {
  position: relative;
  display: inline-block;
  padding: 0.45rem 0.7rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-ink-soft);
  border-radius: var(--r-pill);
  transition: color 0.25s var(--ease), background 0.25s var(--ease),
    transform 0.25s var(--ease);
}

header nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--g-brand);
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

header nav a:hover,
header nav a:focus-visible {
  color: var(--c-ink);
  background: rgba(255, 107, 107, 0.1);
  transform: translateY(-1px);
}

header nav a:hover::after {
  width: 60%;
}

/* 搜索表单 */
header form[role="search"] {
  flex: 0 1 300px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.3rem 0.3rem 0.9rem;
  background: var(--glass-bg-strong);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

header form[role="search"]:focus-within {
  border-color: rgba(255, 107, 107, 0.6);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.14);
}

header form[role="search"] input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.42rem 0.2rem;
  font: inherit;
  font-size: 0.88rem;
  color: var(--c-ink);
  background: transparent;
  border: 0;
  outline: none;
}

header form[role="search"] input[type="search"]::placeholder {
  color: var(--c-ink-mute);
}

header form[role="search"] button {
  flex: 0 0 auto;
  padding: 0.45rem 1rem;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: var(--g-brand);
  border: 0;
  border-radius: var(--r-pill);
  box-shadow: var(--sh-glow);
  transition: transform 0.25s var(--ease), filter 0.25s var(--ease);
}

header form[role="search"] button:hover {
  transform: translateY(-1px) scale(1.03);
  filter: brightness(1.06);
}

header form[role="search"] button:active {
  transform: scale(0.97);
}

/* ==========================================================================
   主容器
   ========================================================================== */
main {
  display: block;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2.2rem) clamp(1rem, 4vw, 2rem) var(--sp-6);
}

/* 面包屑 */
main > nav[aria-label="面包屑导航"] ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 var(--sp-3);
  padding: 0.5rem 0.9rem;
  list-style: none;
  font-size: 0.82rem;
  color: var(--c-ink-mute);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-pill);
  width: fit-content;
  box-shadow: var(--sh-sm);
}

main > nav[aria-label="面包屑导航"] li {
  margin: 0;
  display: inline-flex;
  align-items: center;
}

main > nav[aria-label="面包屑导航"] li + li::before {
  content: "›";
  margin: 0 0.45rem 0 0.15rem;
  color: var(--c-ink-mute);
  opacity: 0.7;
}

main > nav[aria-label="面包屑导航"] a {
  color: var(--c-ink-soft);
  font-weight: 600;
}

main > nav[aria-label="面包屑导航"] a:hover {
  color: var(--c-primary);
}

main > nav[aria-label="面包屑导航"] li[aria-current="page"] {
  color: var(--c-primary-deep);
  font-weight: 700;
}

/* ==========================================================================
   区块通用
   ========================================================================== */
main > section {
  position: relative;
  margin: 0 0 var(--sp-4);
  padding: clamp(1.3rem, 3vw, 2.2rem);
  background: var(--glass-bg);
  -webkit-backdrop-filter: saturate(160%) blur(var(--glass-blur));
  backdrop-filter: saturate(160%) blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  overflow: hidden;
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

main > section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.18),
    transparent 38%
  );
  opacity: 0.7;
}

main > section:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-lg);
  border-color: rgba(255, 107, 107, 0.28);
}

/* 区块内文章卡片 */
main > section article {
  position: relative;
  padding: clamp(1rem, 2vw, 1.4rem);
  margin-bottom: var(--sp-2);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

main > section article:last-child {
  margin-bottom: 0;
}

main > section article:hover {
  transform: translateY(-4px);
  border-color: rgba(123, 108, 246, 0.4);
  box-shadow: var(--sh-md);
}

main > section article h3 {
  display: inline-block;
  padding-bottom: 0.15rem;
  background: linear-gradient(90deg, var(--c-primary), var(--c-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

main > section article p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Hero 首屏
   ========================================================================== */
#hero {
  padding: clamp(1.5rem, 4vw, 2.8rem);
  background: var(--g-hero);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--sh-lg);
  isolation: isolate;
}

#hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.42), transparent 62%);
  filter: blur(18px);
  z-index: -1;
  animation: floatGlow 12s ease-in-out infinite alternate;
}

#hero::after {
  content: "";
  position: absolute;
  inset: auto auto -35% -12%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(78, 205, 196, 0.32), transparent 64%);
  filter: blur(22px);
  z-index: -1;
  animation: floatGlow 15s ease-in-out infinite alternate-reverse;
}

@keyframes floatGlow {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-30px, 26px, 0) scale(1.12);
  }
}

#hero h1 {
  margin-bottom: var(--sp-2);
  filter: drop-shadow(0 4px 18px rgba(255, 107, 107, 0.28));
}

#hero > p {
  max-width: 62ch;
  color: rgba(238, 240, 248, 0.86);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
}

/* 渐变 Banner 轮播图 */
#hero .banner {
  position: relative;
  margin: var(--sp-3) 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}

#hero .banner svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: inherit;
}

#hero .banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(255, 255, 255, 0.22) 46%,
    transparent 62%
  );
  transform: translateX(-120%);
  transition: transform 0.9s var(--ease);
  pointer-events: none;
}

#hero .banner:hover {
  transform: translateY(-4px) scale(1.008);
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 217, 61, 0.35) inset;
}

#hero .banner:hover::after {
  transform: translateX(120%);
}

/* 数据统计 */
#hero .stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-2);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

#hero .stats li {
  margin: 0;
  padding: 1rem 0.75rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(238, 240, 248, 0.78);
  background: rgba(255, 255, 255, 0.07);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-md);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

#hero .stats li:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 217, 61, 0.5);
}

#hero .stats strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, #ffd93d, #ff6b6b 60%, #4ecdc4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   产品优势列表
   ========================================================================== */
#advantages ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: adv;
}

#advantages li {
  position: relative;
  margin: 0;
  padding: 1.1rem 1.1rem 1.1rem 3.1rem;
  font-size: 0.94rem;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

#advantages li::before {
  counter-increment: adv;
  content: counter(adv);
  position: absolute;
  left: 0.95rem;
  top: 1rem;
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  font-size: 0.8rem;
  font-weight: 900;
  color: #fff;
  background: var(--g-accent);
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(123, 108, 246, 0.35);
}

#advantages li:hover {
  transform: translateY(-5px);
  border-color: rgba(78, 205, 196, 0.45);
  box-shadow: var(--sh-md);
}

/* ==========================================================================
   客户评价
   ========================================================================== */
#testimonials blockquote {
  position: relative;
  margin: 0 0 var(--sp-2);
  padding: 1.4rem 1.4rem 1.4rem 3.4rem;
  font-size: 0.95rem;
  color: var(--c-ink-soft);
  background: linear-gradient(
    135deg,
    rgba(255, 107, 107, 0.08),
    rgba(123, 108, 246, 0.08)
  );
  border: 1px solid var(--c-line);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--r-md);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

#testimonials blockquote::before {
  content: "\201C";
  position: absolute;
  left: 0.85rem;
  top: 0.15rem;
  font-size: 3rem;
  line-height: 1;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--g-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#testimonials blockquote:last-child {
  margin-bottom: 0;
}

#testimonials blockquote:hover {
  transform: translateX(6px);
  box-shadow: var(--sh-md);
}

#testimonials blockquote p {
  margin: 0;
}

/* ==========================================================================
   新闻中心 / 技术文章
   ========================================================================== */
#news article p:nth-of-type(1) {
  display: inline-block;
  margin-bottom: 0.6rem;
  padding: 0.15rem 0.7rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--c-primary-deep);
  background: rgba(255, 107, 107, 0.12);
  border-radius: var(--r-pill);
}

#articles {
  display: block;
}

#articles article {
  padding-bottom: 1.1rem;
}

#articles article p:nth-of-type(1) {
  display: inline-block;
  margin-bottom: 0.55rem;
  padding: 0.15rem 0.7rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--c-purple);
  background: rgba(123, 108, 246, 0.12);
  border-radius: var(--r-pill);
}

#articles article a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.35rem;
  padding: 0.42rem 1.05rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff;
  background: var(--g-accent);
  border-radius: var(--r-pill);
  box-shadow: 0 8px 20px rgba(123, 108, 246, 0.28);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    filter 0.3s var(--ease);
}

#articles article a::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

#articles article a:hover {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 12px 26px rgba(123, 108, 246, 0.42);
}

#articles article a:hover::after {
  transform: translateX(4px);
}

/* ==========================================================================
   常见问题 FAQ
   ========================================================================== */
#faq article {
  cursor: default;
}

#faq article h3 {
  background: none;
  -webkit-text-fill-color: currentColor;
  color: var(--c-ink);
  padding-left: 1.6rem;
  position: relative;
}

#faq article h3::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 0.05em;
  display: grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  font-size: 0.68rem;
  font-weight: 900;
  color: #fff;
  background: var(--g-brand);
  border-radius: 5px;
}

#faq article:hover {
  border-color: rgba(255, 107, 107, 0.4);
}

/* ==========================================================================
   使用教程 HowTo
   ========================================================================== */
#howto ol {
  counter-reset: step;
  padding: 0;
  margin: 0 0 var(--sp-2);
  list-style: none;
}

#howto ol li {
  position: relative;
  margin-bottom: 0.7rem;
  padding: 0.85rem 1rem 0.85rem 3.2rem;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

#howto ol li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  font-size: 0.82rem;
  font-weight: 900;
  color: #fff;
  background: var(--g-brand);
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(255, 107, 107, 0.32);
}

#howto ol li:hover {
  transform: translateX(5px);
  border-color: rgba(255, 217, 61, 0.5);
}

/* ==========================================================================
   联系我们
   ========================================================================== */
#contact address {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-2);
  font-style: normal;
}

#contact address p {
  margin: 0;
  padding: 0.95rem 1.05rem;
  font-size: 0.92rem;
  color: var(--c-ink-soft);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

#contact address p:hover {
  transform: translateY(-4px);
  border-color: rgba(78, 205, 196, 0.5);
  box-shadow: var(--sh-md);
}

/* ==========================================================================
   网站地图 / 友情链接
   ========================================================================== */
#sitemap ul,
#links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

#sitemap li,
#links li {
  margin: 0;
}

#sitemap a,
#links a {
  display: inline-block;
  padding: 0.42rem 1rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--c-ink-soft);
  background: var(--c-bg-soft);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  transition: transform 0.28s var(--ease), color 0.28s var(--ease),
    background 0.28s var(--ease), border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

#sitemap a:hover,
#links a:hover {
  color: #fff;
  background: var(--g-brand);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--sh-glow);
}

/* ==========================================================================
   版权声明与政策
   ========================================================================== */
#legal article h3 {
  background: linear-gradient(90deg, var(--c-cyan), var(--c-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   页脚 Footer
   ========================================================================== */
footer {
  position: relative;
  margin: var(--sp-3) auto 0;
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1rem, 4vw, 2rem);
  max-width: var(--maxw);
  text-align: center;
  font-size: 0.86rem;
  color: rgba(238, 240, 248, 0.82);
  background: var(--g-hero);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  inset: 0 -20% auto -20%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--c-primary),
    var(--c-accent),
    var(--c-cyan),
    transparent
  );
  opacity: 0.85;
}

footer p {
  margin: 0 0 0.45rem;
  color: rgba(238, 240, 248, 0.82);
}

footer p:last-child {
  margin-bottom: 0;
}

footer a {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.4rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--r-pill);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

footer a:hover {
  color: #fff;
  background: rgba(255, 107, 107, 0.35);
  border-color: rgba(255, 217, 61, 0.6);
  transform: translateY(-2px);
}

/* ==========================================================================
   滚动动画（进入视口）
   ========================================================================== */
@keyframes riseIn {
  from {
    opacity: 0;
    transform: translate3d(0, 26px, 0) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

main > section {
  animation: riseIn 0.75s var(--ease) both;
  animation-timeline: view();
  animation-range: entry 0% cover 26%;
}

/* 首屏立即出现，避免首屏空白 */
#hero {
  animation: riseIn 0.7s var(--ease) both;
  animation-timeline: auto;
}

/* 不支持滚动驱动的浏览器：回退为普通出现动画 */
@supports not (animation-timeline: view()) {
  main > section {
    animation: fadeIn 0.6s var(--ease) both;
  }
}

/* 尊重减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  main > section,
  #hero {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   响应式：平板
   ========================================================================== */
@media (max-width: 1024px) {
  header {
    gap: 0.7rem;
  }

  header nav a {
    padding: 0.42rem 0.55rem;
    font-size: 0.86rem;
  }

  header form[role="search"] {
    flex: 1 1 100%;
    order: 3;
  }

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

/* ==========================================================================
   响应式：手机
   ========================================================================== */
@media (max-width: 720px) {
  html {
    scroll-padding-top: 130px;
  }

  header {
    padding: 0.7rem 1rem;
    align-items: center;
  }

  header .brand a {
    font-size: 1.08rem;
  }

  header .brand svg {
    width: 34px;
    height: 34px;
  }

  header nav {
    order: 4;
    flex: 1 1 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.15rem;
  }

  header nav::-webkit-scrollbar {
    display: none;
  }

  header nav ul {
    flex-wrap: nowrap;
    gap: 0.1rem;
    width: max-content;
  }

  header nav a {
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 0.38rem 0.62rem;
  }

  header form[role="search"] {
    order: 3;
    flex: 1 1 100%;
  }

  main {
    padding: 1rem 0.85rem var(--sp-5);
  }

  main > section {
    padding: 1.15rem 1rem;
    border-radius: var(--r-md);
    margin-bottom: var(--sp-3);
  }

  main > section:hover {
    transform: none;
  }

  main > section article {
    padding: 1rem 0.9rem;
  }

  main > section article:hover {
    transform: none;
  }

  h2 {
    padding-left: 0.95rem;
  }

  h2::before {
    width: 5px;
  }

  #hero {
    padding: 1.4rem 1rem;
  }

  #hero .banner {
    margin: var(--sp-2) 0;
    border-radius: var(--r-md);
  }

  #hero .stats {
    gap: 0.6rem;
  }

  #hero .stats li {
    padding: 0.75rem 0.5rem;
    font-size: 0.78rem;
  }

  #advantages ul {
    grid-template-columns: 1fr;
  }

  #contact address {
    grid-template-columns: 1fr;
  }

  #testimonials blockquote {
    padding: 1.15rem 1rem 1.15rem 2.9rem;
  }

  #testimonials blockquote:hover {
    transform: none;
  }

  #articles article a {
    width: 100%;
    justify-content: center;
  }

  #sitemap ul,
  #links ul {
    gap: 0.45rem;
  }

  footer {
    border-radius: var(--r-md) var(--r-md) 0 0;
    font-size: 0.8rem;
  }
}

@media (max-width: 400px) {
  #hero .stats {
    grid-template-columns: 1fr 1fr;
  }

  header nav a {
    font-size: 0.78rem;
  }
}

/* ==========================================================================
   打印样式
   ========================================================================== */
@media print {
  body {
    background: #fff;
    color: #000;
  }

  header,
  footer,
  #hero .banner,
  #links,
  #sitemap {
    display: none !important;
  }

  main > section {
    box-shadow: none;
    border: 1px solid #ccc;
    background: #fff;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    animation: none !important;
    break-inside: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>