@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,500;0,700;1,300;1,500&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* =============================================
   CSS 变量
============================================= */
:root {
  --clr-mahogany: #3B1F0E;
  --clr-brass: #B8972A;
  --clr-parchment: #F5EDD6;
  --clr-dark: #1A0B04;
  --clr-mid: #6B3A1F;
  --clr-brass-light: #D4B54A;
  --clr-brass-dark: #8A6E1C;
  --clr-text: #2A1208;
  --clr-text-muted: #6B4A2A;
  --clr-surface: #FBF6EC;
  --clr-border: #D9C4A0;

  --font-serif: 'Cormorant Garamond', 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --font-display: 'Cinzel', 'Cormorant Garamond', serif;
  --font-body: 'Crimson Pro', 'Cormorant Garamond', Georgia, serif;

  --nav-h: 64px;
  --radius-card: 18px;
  --radius-pill: 999px;
  --transition: 150ms ease;
  --max-w: 1200px;
}

/* =============================================
   重置 & 基础
============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-surface);
  padding-bottom: calc(var(--nav-h) + 56px);
}

/* scroll-margin for anchored sections */
section[id] {
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

a {
  color: var(--clr-brass);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}
a:hover { color: var(--clr-brass-dark); }

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

ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--clr-mahogany);
}

h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 0.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); margin-bottom: 0.4rem; }

hr {
  border: none;
  border-top: 2px solid var(--clr-brass);
  margin: 0.75rem 0 1.25rem;
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* =============================================
   底部固定导航条 (aside > nav > ul > li > a)
============================================= */
.bottomnav-aside {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--clr-mahogany);
  border-top: 2px solid var(--clr-brass);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.bottomnav {
  width: 100%;
}

.bottomnav__list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: 6px 12px;
  min-height: var(--nav-h);
  list-style: none;
}

.bottomnav__left-group,
.bottomnav__right-group {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.bottomnav__brand-center {
  flex: 0 0 auto;
  list-style: none;
}

.bottomnav__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-brass);
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 4px 8px;
  text-decoration: none;
}
.bottomnav__brand:hover { color: var(--clr-parchment); }

.bottomnav__item {
  list-style: none;
}

.bottomnav__pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--clr-mid);
  color: var(--clr-parchment);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.bottomnav__pill:hover {
  background: var(--clr-brass);
  color: var(--clr-mahogany);
}

/* 搜索框条 */
.bottomnav__search {
  border-top: 1px solid var(--clr-mid);
  padding: 6px 12px;
  background: var(--clr-dark);
}

.search-form {
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 480px;
  margin: 0 auto;
}

.search-form__input {
  flex: 1;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--clr-mid);
  border-radius: var(--radius-pill);
  background: var(--clr-mahogany);
  color: var(--clr-parchment);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
}
.search-form__input::placeholder { color: var(--clr-text-muted); }
.search-form__input:focus { border-color: var(--clr-brass); }

.search-form__btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--clr-brass);
  color: var(--clr-mahogany);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  flex-shrink: 0;
}
.search-form__btn:hover { background: var(--clr-brass-light); }

/* =============================================
   Hero
============================================= */
.hero {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--clr-mahogany);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(59,31,14,0.82) 0%, rgba(59,31,14,0.45) 60%, rgba(59,31,14,0.2) 100%);
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: right;
  padding: 48px 48px 96px 24px;
  max-width: 600px;
}

.hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-brass);
  margin-bottom: 12px;
}

.hero__h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 600;
  color: var(--clr-parchment);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.hero__lead {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-border);
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 28px;
  background: var(--clr-brass);
  color: var(--clr-mahogany);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 4px;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.hero__cta:hover {
  background: var(--clr-brass-light);
  color: var(--clr-dark);
}

/* 斜切底边 */
.hero__skew {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--clr-surface);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 3;
}

/* =============================================
   主体内容区
============================================= */
.site-main {
  width: 100%;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

.content-section {
  padding: 48px 0;
}

.content-article {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* =============================================
   侧边栏 (aside 在内容左侧)
============================================= */
.content-aside {
  flex: 0 0 220px;
  width: 220px;
  position: sticky;
  top: 24px;
  background: var(--clr-mahogany);
  border-radius: var(--radius-card);
  padding: 24px 16px;
  color: var(--clr-parchment);
}

.aside-nav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 24px;
}

.aside-nav__link {
  display: flex;
  align-items: center;
  padding: 0 12px;
  min-height: 44px;
  border-radius: 4px;
  color: var(--clr-parchment);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.3;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.aside-nav__link:hover {
  background: var(--clr-mid);
  color: var(--clr-brass);
}

.aside-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  min-height: 44px;
  background: var(--clr-brass);
  border-radius: 4px;
  color: var(--clr-mahogany);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
}

.aside-badge__icon {
  font-size: 1rem;
  line-height: 1;
}

/* =============================================
   正文内容
============================================= */
.content-body {
  flex: 1;
  min-width: 0;
}

/* 正文内部 section 样式 */
.content-body section {
  margin-bottom: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--clr-border);
}

.content-body section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.content-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--clr-mahogany);
  margin-bottom: 0.5rem;
}

.content-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--clr-mid);
  margin-bottom: 0.4rem;
  margin-top: 1.5rem;
}

.content-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--clr-text);
  margin-bottom: 1rem;
}

.content-body ul, .content-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.content-body ul { list-style: disc; }
.content-body ol { list-style: decimal; }

.content-body li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
  font-size: 1.05rem;
}

.content-body a {
  color: var(--clr-brass);
  border-bottom: 1px solid currentColor;
}
.content-body a:hover { color: var(--clr-brass-dark); }

.content-body hr {
  border: none;
  border-top: 2px solid var(--clr-brass);
  margin: 0.75rem 0 1.25rem;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.97rem;
}

.content-body th {
  background: var(--clr-mahogany);
  color: var(--clr-parchment);
  font-family: var(--font-display);
  padding: 10px 14px;
  text-align: left;
}

.content-body td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--clr-border);
}

.content-body tr:nth-child(even) td {
  background: rgba(184,151,42,0.08);
}

/* =============================================
   页脚
============================================= */
.site-footer {
  background: var(--clr-dark);
  color: var(--clr-parchment);
  margin-top: 48px;
}

.footer__top-band {
  height: 6px;
  background: var(--clr-brass);
  clip-path: polygon(0 0, 100% 0, 98% 100%, 2% 100%);
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 24px;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-brass);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.footer__col hr {
  border-top-color: var(--clr-mid);
  margin-bottom: 1rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--clr-brass);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--clr-border);
  line-height: 1.6;
}

.footer__col--nav ul,
.footer__col--contact ul {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer__col--nav ul li a,
.footer__col--contact ul li a {
  color: var(--clr-border);
  font-size: 0.92rem;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 0;
  line-height: 1.4;
}
.footer__col--nav ul li a:hover,
.footer__col--contact ul li a:hover {
  color: var(--clr-brass);
}

.footer__address {
  font-style: normal;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--clr-border);
  line-height: 1.8;
}

.footer__address a {
  color: var(--clr-brass);
}

.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer__subscribe-desc {
  font-size: 0.9rem;
  color: var(--clr-border);
  margin-bottom: 12px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subscribe-form__input {
  height: 44px;
  padding: 0 14px;
  background: var(--clr-mahogany);
  border: 1px solid var(--clr-mid);
  border-radius: 4px;
  color: var(--clr-parchment);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}
.subscribe-form__input::placeholder { color: var(--clr-text-muted); }
.subscribe-form__input:focus { border-color: var(--clr-brass); }

.subscribe-form__btn {
  height: 44px;
  background: var(--clr-brass);
  color: var(--clr-mahogany);
  border: none;
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--transition);
}
.subscribe-form__btn:hover { background: var(--clr-brass-light); }

.footer__bar {
  border-top: 1px solid var(--clr-mid);
  padding-top: 20px;
  text-align: center;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

/* =============================================
   Scroll Reveal 动效
============================================= */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 400ms ease, transform 400ms ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-28px);
    transition: opacity 400ms ease, transform 400ms ease;
  }
  .reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
  }
  .parallax-hero {
    transition: transform 200ms linear;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left { opacity: 1; transform: none; }
}

/* =============================================
   响应式
============================================= */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .content-aside {
    flex: 0 0 180px;
    width: 180px;
  }
}

@media (max-width: 768px) {
  body { font-size: 16px; }

  .hero__content {
    padding: 32px 20px 80px 20px;
    text-align: right;
  }

  .content-article {
    flex-direction: column;
    gap: 24px;
  }

  .content-aside {
    position: static;
    width: 100%;
    flex: none;
  }

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

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .bottomnav__list {
    padding: 4px 6px;
  }

  .bottomnav__pill {
    padding: 0 10px;
    font-size: 0.78rem;
    min-height: 44px;
  }

  .bottomnav__brand {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 45vh;
  }

  .aside-nav__list {
    grid-template-columns: 1fr;
  }

  .bottomnav__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .bottomnav__list::-webkit-scrollbar { display: none; }

  .bottomnav__left-group,
  .bottomnav__right-group {
    flex-shrink: 0;
  }

  .content-section { padding: 32px 0; }
}

button[aria-expanded]{min-width:44px;min-height:44px}