@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Libre+Baskerville:wght@400;700&display=swap');

/* =====================
   CSS 自定义属性
   ===================== */
:root {
  --c-green: #87ff71;
  --c-yellow: #ffce5c;
  --c-dark: #192617;
  --c-dark-80: rgba(25,38,23,0.82);
  --c-dark-mid: #243520;
  --c-dark-soft: #2e4529;
  --c-light: #f5fdf3;
  --c-white: #ffffff;
  --c-green-dim: #5cd644;
  --c-yellow-dim: #e6b73e;
  --c-text: #f0fced;
  --c-text-muted: #a8c4a3;
  --font-title: 'Cormorant Garamond', 'Libre Baskerville', Georgia, serif;
  --font-body: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-ui: system-ui, -apple-system, sans-serif;
  --radius: 4px;
  --nav-h: 56px;
  --subnav-h: 44px;
  --max-w: 860px;
  --max-w-wide: 1100px;
  --gap: clamp(1rem, 3vw, 2rem);
}

/* =====================
   重置 & 基础
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--c-dark);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--c-green); text-decoration: none; transition: color 0.18s; }
a:hover { color: var(--c-yellow); }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* =====================
   点阵底纹（Memphis）
   ===================== */
.dot-grid-bg,
.hero-bg-pattern,
.faq-hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle, var(--c-green) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  opacity: 0.08;
}

/* =====================
   顶部导航
   ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-dark);
  border-bottom: 2px solid var(--c-green);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gap);
  height: var(--nav-h);
  max-width: var(--max-w-wide);
  margin: 0 auto;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--c-text);
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-height: 44px;
}
.brand-logo:hover { color: var(--c-green); }
.brand-mark {
  display: inline-block;
  color: var(--c-green);
  font-size: 1rem;
  transform: rotate(45deg);
  line-height: 1;
}
.brand-name { white-space: nowrap; }

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 1.5px solid var(--c-green);
  border-radius: var(--radius);
  transition: background 0.18s;
}
.hamburger:hover { background: var(--c-dark-soft); }
.ham-bar {
  display: block;
  height: 2px;
  background: var(--c-green);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* 二级粘性导航 */
.sticky-subnav {
  display: flex;
  align-items: center;
  gap: 0;
  height: var(--subnav-h);
  padding: 0 var(--gap);
  overflow-x: auto;
  scrollbar-width: none;
  background: var(--c-dark-mid);
  border-bottom: 1.5px dashed var(--c-dark-soft);
  max-width: 100%;
}
.sticky-subnav::-webkit-scrollbar { display: none; }
.subnav-link {
  flex-shrink: 0;
  padding: 0 1rem;
  height: var(--subnav-h);
  line-height: var(--subnav-h);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--c-text-muted);
  border-right: 1px solid var(--c-dark-soft);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}
.subnav-link:hover { color: var(--c-green); background: rgba(135,255,113,0.05); }
.subnav-link--active { color: var(--c-green); border-bottom: 2px solid var(--c-green); }

/* =====================
   全屏遮罩菜单
   ===================== */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--c-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--gap) * 2) var(--gap);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.77,0,0.175,1);
  overflow: hidden;
}
.fullscreen-menu.is-open {
  transform: translateX(0);
}
.fullscreen-menu[aria-hidden="true"] { transform: translateX(100%); }
.fullscreen-menu[aria-hidden="false"] { transform: translateX(0); }

.menu-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 1.8rem;
  color: var(--c-green);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--c-green);
  border-radius: var(--radius);
  transition: background 0.18s;
}
.menu-close:hover { background: var(--c-dark-soft); }

.menu-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  position: relative;
  z-index: 1;
}
.nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--c-text);
  border-left: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  min-height: 44px;
  line-height: 1.4;
}
.nav-link:hover { color: var(--c-green); border-left-color: var(--c-green); background: rgba(135,255,113,0.05); }
.nav-link--active { color: var(--c-yellow); border-left-color: var(--c-yellow); }

.menu-deco {
  position: absolute;
  bottom: -40px;
  right: -40px;
  pointer-events: none;
}
.deco-circle {
  display: block;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 18px solid var(--c-green);
  opacity: 0.12;
}
.deco-triangle {
  display: block;
  position: absolute;
  top: -60px;
  left: -80px;
  width: 0;
  height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid var(--c-yellow);
  opacity: 0.13;
  transform: rotate(20deg);
}
.deco-dot-grid {
  display: block;
  position: absolute;
  top: 40px;
  right: 40px;
  width: 80px;
  height: 80px;
  background-image: radial-gradient(circle, var(--c-green) 2px, transparent 2px);
  background-size: 12px 12px;
  opacity: 0.18;
}

/* =====================
   面包屑
   ===================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-green); }

/* =====================
   Hero (首页)
   ===================== */
.hero-article {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + var(--gap) * 2) var(--gap) calc(var(--gap) * 2);
  overflow: hidden;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 18px,
      rgba(135,255,113,0.04) 18px,
      rgba(135,255,113,0.04) 19px
    ),
    var(--c-dark);
}
.hero-bg-pattern {
  opacity: 0.07;
  background-size: 20px 20px;
}
.pat-tri {
  position: absolute;
  width: 0; height: 0;
  pointer-events: none;
}
.pat-tri--1 {
  top: 12%;
  right: 8%;
  border-left: 80px solid transparent;
  border-right: 80px solid transparent;
  border-bottom: 138px solid var(--c-green);
  opacity: 0.18;
  transform: rotate(-12deg);
}
.pat-tri--2 {
  bottom: 20%;
  right: 20%;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-bottom: 70px solid var(--c-yellow);
  opacity: 0.22;
  transform: rotate(8deg);
}
.pat-circle--1 {
  position: absolute;
  top: 30%;
  right: 4%;
  display: block;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 12px solid var(--c-yellow);
  opacity: 0.13;
}
.pat-squiggle {
  position: absolute;
  bottom: 15%;
  left: 5%;
  font-size: 2rem;
  color: var(--c-green);
  opacity: 0.18;
  letter-spacing: 0.2em;
  transform: rotate(-5deg);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  width: 100%;
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-yellow);
  background: rgba(255,206,92,0.12);
  border: 1px solid var(--c-yellow);
  padding: 0.2rem 0.7rem;
  border-radius: var(--radius);
  margin-bottom: 1.2rem;
}
.hero-h1 {
  font-family: var(--font-title);
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-white);
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}
.hero-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--c-text-muted);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  background: var(--c-green);
  color: var(--c-dark);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: background 0.18s, transform 0.18s;
  min-height: 44px;
}
.hero-cta:hover { background: var(--c-yellow); color: var(--c-dark); transform: translateY(-2px); }

/* =====================
   页面包装 & 内容容器
   ===================== */
.page-wrap {
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* =====================
   首页内容块
   ===================== */
.home-content-block {
  max-width: var(--max-w);
  margin: calc(var(--gap) * 2) auto;
  padding: calc(var(--gap) * 1.5);
  background: var(--c-dark-mid);
  border-left: 4px solid var(--c-green);
  border-radius: var(--radius);
}
.home-content-block p,
.home-content-block li { font-size: 1.05rem; line-height: 1.75; margin-bottom: 0.9rem; }
.home-content-block h2 { font-family: var(--font-title); font-size: 1.6rem; color: var(--c-green); margin: 1.5rem 0 0.8rem; }
.home-content-block h3 { font-family: var(--font-title); font-size: 1.25rem; color: var(--c-yellow); margin: 1.2rem 0 0.6rem; }

/* =====================
   眉题 & 区块标题
   ===================== */
.eyebrow-label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-yellow);
  border-left: 3px solid var(--c-yellow);
  padding-left: 0.6rem;
  margin-bottom: 0.6rem;
}
.section-h2 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

/* =====================
   首页 FAQ 列表
   ===================== */
.home-faq-section,
.home-children-section {
  max-width: var(--max-w);
  margin: calc(var(--gap) * 2.5) auto;
}

.faq-index-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.faq-nav-item {
  background: var(--c-dark-mid);
  border-radius: var(--radius);
  border: 1.5px solid var(--c-dark-soft);
  padding: 1.25rem 1.25rem 1rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.18s, transform 0.18s;
  counter-increment: faq-counter;
}
.faq-nav-item::before {
  content: counter(faq-counter, decimal-leading-zero);
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-green);
  opacity: 0.12;
  line-height: 1;
}
.faq-nav-item:hover { border-color: var(--c-green); transform: translateY(-3px); }
.faq-nav-item a {
  display: block;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}
.faq-nav-item a:hover { color: var(--c-green); }
.faq-nav-item small {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--c-text-muted);
  line-height: 1.5;
}

/* =====================
   卡片列表（首页子页）
   ===================== */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  counter-reset: card-counter;
}
.card-item {
  counter-increment: card-counter;
}
.card-link {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: var(--c-dark-mid);
  border-radius: var(--radius);
  border: 1.5px solid var(--c-dark-soft);
  color: var(--c-text);
  transition: border-color 0.18s, transform 0.18s;
  min-height: 100px;
}
.card-link:hover { border-color: var(--c-yellow); color: var(--c-text); transform: translateY(-2px); }
.card-title { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: var(--c-white); line-height: 1.4; }
.card-desc { font-family: var(--font-ui); font-size: 0.82rem; color: var(--c-text-muted); line-height: 1.5; }
.card-date { font-family: var(--font-ui); font-size: 0.78rem; color: var(--c-yellow); margin-top: auto; padding-top: 0.5rem; }

/* =====================
   FAQ 页 Hero
   ===================== */
.faq-hero {
  position: relative;
  padding: calc(var(--gap) * 2) var(--gap) calc(var(--gap) * 1.5);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  overflow: hidden;
}
.faq-hero-deco {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.deco-stripe {
  display: block;
  position: absolute;
  height: 100%;
  top: 0;
}
.deco-stripe--y { right: 0; width: 6px; background: var(--c-yellow); opacity: 0.5; }
.deco-stripe--g { right: 12px; width: 3px; background: var(--c-green); opacity: 0.35; }

.faq-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 4.5vw, 3.5rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
}

/* =====================
   日期标签
   ===================== */
.page-date {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--c-yellow);
  padding: 0.2rem 0.6rem;
  background: rgba(255,206,92,0.1);
  border: 1px solid rgba(255,206,92,0.3);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.meta-sep { color: var(--c-text-muted); margin: 0 0.4rem; }
.page-updated { font-family: var(--font-ui); font-size: 0.82rem; color: var(--c-text-muted); }
.article-meta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.75rem; }

/* =====================
   FAQ 主内容
   ===================== */
.faq-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap) calc(var(--gap) * 3);
}

.faq-content,
.about-content,
.privacy-content {
  padding: calc(var(--gap) * 1.5) 0;
}

.faq-content p,
.about-content p,
.privacy-content p,
.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: 1.1rem;
}
.faq-content h2,
.about-content h2,
.privacy-content h2,
.article-body h2 {
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--c-green);
  margin: 2rem 0 0.8rem;
  line-height: 1.25;
}
.faq-content h3,
.about-content h3,
.privacy-content h3,
.article-body h3 {
  font-family: var(--font-title);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--c-yellow);
  margin: 1.5rem 0 0.6rem;
}
.faq-content ul,
.about-content ul,
.privacy-content ul,
.article-body ul {
  padding-left: 1.4rem;
  margin-bottom: 1.1rem;
}
.faq-content ul li,
.about-content ul li,
.privacy-content ul li,
.article-body ul li {
  list-style: disc;
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 0.5rem;
  color: var(--c-text);
}
.faq-content ol,
.about-content ol,
.privacy-content ol,
.article-body ol {
  padding-left: 1.4rem;
  margin-bottom: 1.1rem;
}
.faq-content ol li,
.about-content ol li,
.privacy-content ol li,
.article-body ol li {
  list-style: decimal;
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 0.5rem;
}
.faq-content strong,
.about-content strong,
.privacy-content strong,
.article-body strong { color: var(--c-white); font-weight: 700; }

.faq-content a,
.about-content a,
.privacy-content a,
.article-body a { color: var(--c-green); text-decoration: underline; text-underline-offset: 3px; }
.faq-content a:hover,
.about-content a:hover,
.privacy-content a:hover,
.article-body a:hover { color: var(--c-yellow); }

/* =====================
   子页列表（ol > li > a + small）
   ===================== */
.faq-children,
.faq-related {
  margin: calc(var(--gap) * 2) 0;
}
.sub-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  counter-reset: sub-counter;
}
.sub-item {
  counter-increment: sub-counter;
}
.sub-link {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--c-dark-mid);
  border-radius: var(--radius);
  border: 1.5px solid var(--c-dark-soft);
  color: var(--c-text);
  transition: border-color 0.18s, background 0.18s;
  min-height: 44px;
}
.sub-link:hover { border-color: var(--c-green); background: rgba(135,255,113,0.04); color: var(--c-text); }
.sub-num {
  flex-shrink: 0;
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-green);
  opacity: 0.6;
  line-height: 1.2;
  min-width: 2.2rem;
}
.sub-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.sub-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.4;
}
.sub-link:hover .sub-title { color: var(--c-green); }
.sub-desc {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  font-weight: 400;
}
.sub-date {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--c-yellow);
  white-space: nowrap;
  margin-top: 0.2rem;
}
.sub-list--compact .sub-link { padding: 0.75rem 1rem; }

/* =====================
   文章页
   ===================== */
.article-header {
  position: relative;
  padding: calc(var(--gap) * 2) var(--gap) calc(var(--gap) * 1.5);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  overflow: hidden;
}
.article-header-deco {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.deco-rect {
  position: absolute;
  display: block;
}
.deco-rect--g {
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--c-green);
  clip-path: polygon(0 0, 80% 0, 75% 100%, 0 100%);
  opacity: 0.6;
}
.deco-rect--y {
  top: 0; right: 0;
  width: 30%; height: 4px;
  background: var(--c-yellow);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 25% 100%);
  opacity: 0.5;
}

.article-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
}
.article-lead {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  max-width: var(--max-w);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}
.article-hero-wrap {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: var(--max-w);
}
.article-hero-img { width: 100%; object-fit: cover; border-radius: var(--radius); }

.article-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap) calc(var(--gap) * 2);
}

.article-related {
  max-width: var(--max-w);
  margin: 0 auto calc(var(--gap) * 2);
  padding: 0 var(--gap);
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.related-item { display: block; }
.related-link {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1.25rem;
  background: var(--c-dark-mid);
  border-radius: var(--radius);
  border-left: 3px solid var(--c-dark-soft);
  color: var(--c-text);
  transition: border-color 0.15s, background 0.15s;
  min-height: 44px;
}
.related-link:hover { border-left-color: var(--c-yellow); background: rgba(255,206,92,0.04); color: var(--c-text); }
.related-link strong { color: var(--c-white); font-size: 0.95rem; font-weight: 700; line-height: 1.4; }
.related-link:hover strong { color: var(--c-yellow); }
.related-link small { font-family: var(--font-ui); font-size: 0.8rem; color: var(--c-text-muted); line-height: 1.5; }

.back-to-parent {
  max-width: var(--max-w);
  margin: 0 auto calc(var(--gap) * 2);
  padding: 0 var(--gap);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--c-text-muted);
  padding: 0.5rem 0;
  min-height: 44px;
  transition: color 0.15s;
}
.back-link:hover { color: var(--c-green); }

/* =====================
   About 页
   ===================== */
.about-hero {
  position: relative;
  padding: calc(var(--gap) * 2) var(--gap) calc(var(--gap) * 1.5);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  overflow: hidden;
}
.about-deco-band {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5px;
  display: flex;
  z-index: 0;
}
.band-seg { display: block; flex: 1; height: 100%; }
.band-seg--g { background: var(--c-green); }
.band-seg--y { background: var(--c-yellow); }
.band-seg--dk { background: var(--c-dark-soft); }

.about-h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.1;
  max-width: var(--max-w);
  position: relative;
  z-index: 1;
}
.about-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap) calc(var(--gap) * 3);
}
.about-nav-block {
  margin-top: calc(var(--gap) * 2);
  padding-top: calc(var(--gap) * 1.5);
  border-top: 1px dashed var(--c-dark-soft);
}

/* =====================
   Privacy 页
   ===================== */
.privacy-header {
  padding: calc(var(--gap) * 2) var(--gap) calc(var(--gap) * 1);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  border-bottom: 3px dotted var(--c-green);
}
.privacy-h1 {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  max-width: var(--max-w);
  margin-bottom: 0.5rem;
}
.privacy-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gap) calc(var(--gap) * 3);
}
.privacy-footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: calc(var(--gap) * 1.5);
  border-top: 1px dashed var(--c-dark-soft);
}

/* =====================
   页脚
   ===================== */
.site-footer {
  background: var(--c-dark-mid);
  border-top: 2px solid var(--c-dark-soft);
  margin-top: calc(var(--gap) * 2);
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--gap) * 1.5);
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: calc(var(--gap) * 2) var(--gap);
}
.footer-col { display: block; }
.footer-dt {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-green);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1.5px solid var(--c-dark-soft);
  display: block;
}
.footer-dd {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}
.footer-dd a { color: var(--c-text-muted); transition: color 0.15s; min-height: 40px; display: inline-flex; align-items: center; }
.footer-dd a:hover { color: var(--c-green); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  max-width: var(--max-w-wide);
  margin: 0 auto;
  padding: 1rem var(--gap);
  border-top: 1px solid var(--c-dark-soft);
}
.footer-copy { font-family: var(--font-ui); font-size: 0.8rem; color: var(--c-text-muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-family: var(--font-ui); font-size: 0.8rem; color: var(--c-text-muted); min-height: 40px; display: inline-flex; align-items: center; }
.footer-links a:hover { color: var(--c-green); }

/* =====================
   Scroll Reveal
   ===================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-fast {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.reveal-fast.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-fast {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =====================
   Hover 微交互
   ===================== */
@media (hover: hover) {
  .card-link:hover .card-title { color: var(--c-yellow); }
  .sub-link:hover .sub-num { opacity: 1; }
}

/* =====================
   响应式断点
   ===================== */
@media (max-width: 768px) {
  :root {
    --gap: 1rem;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
  .footer-col:last-child {
    grid-column: 1 / -1;
  }
  .hero-article {
    min-height: 70vh;
    padding-top: calc(var(--nav-h) + 1.5rem);
    padding-bottom: 2rem;
  }
  .faq-index-list {
    grid-template-columns: 1fr;
  }
  .card-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .card-list {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-col:last-child {
    grid-column: auto;
  }
  .sticky-subnav {
    padding: 0 0.75rem;
  }
  .subnav-link {
    padding: 0 0.65rem;
    font-size: 0.76rem;
  }
  .sub-link {
    flex-wrap: wrap;
  }
  .sub-date {
    margin-left: calc(2.2rem + 1rem);
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .article-header,
  .faq-hero,
  .about-hero,
  .privacy-header {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* =====================
   Memphis 几何装饰（公共）
   ===================== */
.page-home .hero-article::after {
  content: '';
  position: absolute;
  top: 10%;
  left: -30px;
  width: 90px;
  height: 90px;
  background: var(--c-yellow);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  opacity: 0.1;
  transform: rotate(25deg);
  pointer-events: none;
}

/* FAQ 计数器初始化 */
.home-faq-section .faq-index-list {
  counter-reset: faq-counter;
}