/* ==========================================================================
   松石工作室 · Songshi Studio 主题样式
   风格：自然清新 / 暖米白 + 松绿色 / 治愈系
   ========================================================================== */

/* ===================== CSS 变量 ===================== */
:root {
  /* 颜色 - 默认值，可被 settings.yaml 覆盖 */
  --ss-primary: #5A7A5C;
  --ss-primary-dark: #3F5E47;
  --ss-primary-light: #8AA68C;
  --ss-accent: #8B6F47;
  --ss-accent-light: #A88661;
  --ss-bg: #FAF7F2;
  --ss-bg-soft: #F5EFE6;
  --ss-card: #FFFFFF;
  --ss-footer-bg: #2A4030;
  --ss-footer-dark: #1F2F25;
  --ss-text: #2D3A2E;
  --ss-text-soft: #6B7870;
  --ss-text-muted: #9BA39A;
  --ss-border: #E5DFD3;
  --ss-border-soft: #EFE9DC;

  /* 字体 */
  --ss-font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
                  "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --ss-font-display: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --ss-font-mono: "SF Mono", Menlo, Consolas, monospace;

  /* 尺寸 */
  --ss-radius-sm: 6px;
  --ss-radius: 12px;
  --ss-radius-lg: 20px;
  --ss-radius-pill: 999px;
  --ss-shadow-sm: 0 2px 8px rgba(63, 94, 71, 0.06);
  --ss-shadow: 0 4px 24px rgba(63, 94, 71, 0.08);
  --ss-shadow-lg: 0 12px 48px rgba(63, 94, 71, 0.12);

  /* 过渡 */
  --ss-transition: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --ss-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================== 重置 ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ss-font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ss-text);
  background: var(--ss-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--ss-primary); text-decoration: none; transition: color var(--ss-transition); }
a:hover { color: var(--ss-primary-dark); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; line-height: 1.3; color: var(--ss-primary-dark); }

/* ===================== 通用工具类 ===================== */
.ss-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== 顶部导航 ===================== */
.ss-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--ss-border-soft);
  transition: box-shadow var(--ss-transition);
}
.ss-header.is-scrolled { box-shadow: var(--ss-shadow-sm); }

.ss-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.ss-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--ss-primary-dark);
  flex-shrink: 0;
}
.ss-brand:hover { color: var(--ss-primary-dark); }
.ss-brand__logo {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
}
.ss-brand__logo svg { width: 100%; height: 100%; }
.ss-brand__text { display: inline-flex; align-items: baseline; gap: 4px; }
.ss-brand__cn { font-size: 16px; }
.ss-brand__en { font-size: 13px; color: var(--ss-text-soft); font-weight: 400; }

.ss-nav__list {
  display: flex;
  gap: 8px;
  align-items: center;
}
.ss-nav__link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--ss-text);
  border-radius: var(--ss-radius-pill);
  transition: all var(--ss-transition);
}
.ss-nav__link:hover {
  color: var(--ss-primary-dark);
  background: var(--ss-bg-soft);
}
.ss-nav__link--active {
  color: var(--ss-primary-dark);
  font-weight: 600;
  background: var(--ss-bg-soft);
}

.ss-header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.ss-burger {
  display: none;
  width: 40px; height: 40px;
  position: relative;
}
.ss-burger span {
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--ss-text);
  border-radius: 2px;
  transition: all var(--ss-transition);
}
.ss-burger span:nth-child(1) { top: 12px; }
.ss-burger span:nth-child(2) { top: 19px; }
.ss-burger span:nth-child(3) { top: 26px; }
.ss-burger.is-open span:nth-child(1) { transform: rotate(45deg); top: 19px; }
.ss-burger.is-open span:nth-child(2) { opacity: 0; }
.ss-burger.is-open span:nth-child(3) { transform: rotate(-45deg); top: 19px; }

/* ===================== 按钮 ===================== */
.ss-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--ss-radius-pill);
  transition: all var(--ss-transition);
  white-space: nowrap;
  border: 1px solid transparent;
}
.ss-btn--green {
  background: var(--ss-primary);
  color: #fff;
}
.ss-btn--green:hover {
  background: var(--ss-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--ss-shadow);
}
.ss-btn--brown {
  background: var(--ss-accent);
  color: #fff;
}
.ss-btn--brown:hover {
  background: var(--ss-accent-light);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--ss-shadow);
}
.ss-btn--ghost {
  background: transparent;
  color: var(--ss-primary-dark);
  border-color: var(--ss-border);
}
.ss-btn--ghost:hover {
  background: var(--ss-bg-soft);
  color: var(--ss-primary-dark);
}

/* ===================== 首页 Slogan 主区 ===================== */
.ss-hero {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, var(--ss-bg) 0%, var(--ss-bg-soft) 100%);
  position: relative;
  overflow: hidden;
}
/* 背景松针装饰 */
.ss-hero::before {
  content: "";
  position: absolute;
  top: 10%; right: -5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(90,122,92,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.ss-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 60px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* ===== 左侧：拱形场景图 ===== */
.ss-hero__left {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 96px;
}

.ss-arch-scene {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--ss-radius-lg);
  overflow: hidden;
  box-shadow: var(--ss-shadow);
  background: linear-gradient(135deg, #F5EFE6 0%, #E8DCC2 100%);
}
.ss-arch-scene__inner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ss-arch-scene__svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ss-hero__left-bottom {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}

/* 复选列表 */
.ss-check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ss-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--ss-text);
  font-weight: 500;
}
.ss-check__icon {
  display: inline-flex;
  width: 22px; height: 22px;
  color: var(--ss-primary);
  flex-shrink: 0;
}
.ss-check__icon svg { width: 100%; height: 100%; }

/* 拱形折线图 */
.ss-arch-chart {
  width: 130px;
  aspect-ratio: 200 / 140;
  flex-shrink: 0;
}
.ss-arch-chart svg { width: 100%; height: 100%; }

/* ===== 右侧内容区 ===== */
.ss-hero__right {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* 1. Slogan */
.ss-slogan { position: relative; }
.ss-slogan__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ss-primary-dark);
  margin: 0 0 16px;
  letter-spacing: -0.5px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ss-slogan__line { display: block; }
.ss-slogan__subtitle {
  font-size: 18px;
  color: var(--ss-text-soft);
  margin: 0 0 28px;
}
.ss-slogan__buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* 2. 核心服务 */
.ss-services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ss-service-item {
  padding: 24px 20px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  transition: all var(--ss-transition);
  text-align: left;
}
.ss-service-item:hover {
  border-color: var(--ss-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--ss-shadow);
}
.ss-service-item__icon {
  width: 36px; height: 36px;
  color: var(--ss-primary);
  margin-bottom: 12px;
}
.ss-service-item__icon svg { width: 100%; height: 100%; }
.ss-service-item__title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ss-primary-dark);
  margin: 0 0 4px;
}
.ss-service-item__desc {
  font-size: 13px;
  color: var(--ss-text-soft);
  margin: 0;
}

/* 3. 服务成果数据 */
.ss-stats {
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  padding: 28px 20px;
  position: relative;
  overflow: hidden;
}
.ss-stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(90,122,92,0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139,111,71,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.ss-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
}
.ss-stat-item {
  text-align: center;
  padding: 8px 0;
}
.ss-stat-item__num {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--ss-primary-dark);
  line-height: 1;
  font-family: var(--ss-font-display);
  margin-bottom: 8px;
}
.ss-stat-item__plus,
.ss-stat-item__percent,
.ss-stat-item__unit {
  font-size: 0.6em;
  color: var(--ss-primary);
  margin-left: 2px;
}
.ss-stat-item__label {
  font-size: 13px;
  color: var(--ss-text-soft);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.ss-stat-item__sub {
  font-size: 12px;
  color: var(--ss-text-muted);
  letter-spacing: 0.3px;
}

/* 4. FAQ */
.ss-faq__title {
  font-size: 24px;
  font-weight: 600;
  color: var(--ss-primary-dark);
  margin: 0 0 8px;
}
.ss-faq__subtitle {
  font-size: 14px;
  color: var(--ss-text-soft);
  margin: 0 0 20px;
}
.ss-faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ss-faq__item {
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  overflow: hidden;
  transition: all var(--ss-transition);
}
.ss-faq__item:hover { border-color: var(--ss-primary-light); }
.ss-faq__item[open] { border-color: var(--ss-primary); }

.ss-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ss-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--ss-transition);
}
.ss-faq__q::-webkit-details-marker { display: none; }
.ss-faq__q:hover { color: var(--ss-primary-dark); }
.ss-faq__toggle {
  position: relative;
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-left: 12px;
  transition: transform var(--ss-transition);
}
.ss-faq__toggle::before,
.ss-faq__toggle::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
  transition: all var(--ss-transition);
}
.ss-faq__toggle::before {
  top: 50%; left: 0; right: 0;
  height: 2px;
  transform: translateY(-50%);
}
.ss-faq__toggle::after {
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}
.ss-faq__item[open] .ss-faq__toggle::after {
  transform: translateX(-50%) scaleY(0);
}
.ss-faq__a {
  padding: 0 22px 18px;
  color: var(--ss-text-soft);
  font-size: 14.5px;
  line-height: 1.75;
  animation: faq-fade 280ms ease;
}
.ss-faq__a p { margin: 0; }
@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 最新动态 ===== */
.ss-latest {
  padding: 80px 0;
  background: var(--ss-bg);
}
.ss-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.ss-section-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--ss-primary-dark);
  position: relative;
  padding-left: 16px;
}
.ss-section-title::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 24px;
  background: var(--ss-primary);
  border-radius: 2px;
}
.ss-link-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--ss-primary);
}
.ss-link-more:hover { gap: 8px; }

/* ===================== 通用页面头 ===================== */
.ss-page-header {
  text-align: center;
  padding: 60px 0 48px;
  position: relative;
}
.ss-page-header__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--ss-primary-dark);
  margin: 0 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.ss-page-header__prefix {
  color: var(--ss-primary);
  font-weight: 500;
}
.ss-page-header__desc {
  font-size: 16px;
  color: var(--ss-text-soft);
  margin: 0;
}
.ss-page-header__meta { font-size: 14px; color: var(--ss-text-muted); margin-top: 8px; }

/* ===================== 文章卡片网格 ===================== */
.ss-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.ss-card {
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  overflow: hidden;
  transition: all var(--ss-transition);
}
.ss-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ss-shadow);
  border-color: var(--ss-primary-light);
}

.ss-post-card__cover {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ss-bg-soft);
}
.ss-post-card__cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--ss-transition-slow);
}
.ss-post-card:hover .ss-post-card__cover img { transform: scale(1.05); }

.ss-post-card__body { padding: 20px 22px 22px; }
.ss-post-card__meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.ss-post-card__title {
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 10px;
  font-weight: 600;
}
.ss-post-card__title a {
  color: var(--ss-text);
}
.ss-post-card__title a:hover { color: var(--ss-primary-dark); }
.ss-post-card__excerpt {
  font-size: 13.5px;
  color: var(--ss-text-soft);
  line-height: 1.6;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ss-post-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--ss-text-muted);
}
.ss-post-card__views {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ===================== 标签 ===================== */
.ss-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--ss-primary);
  background: var(--ss-bg-soft);
  border-radius: var(--ss-radius-pill);
  font-weight: 500;
}
.ss-tag--clickable { transition: all var(--ss-transition); }
.ss-tag--clickable:hover {
  background: var(--ss-primary);
  color: #fff;
}

/* ===================== 面包屑 ===================== */
.ss-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--ss-text-soft);
  padding: 20px 0 0;
}
.ss-breadcrumb__item { color: var(--ss-text-soft); }
.ss-breadcrumb__item--current { color: var(--ss-primary-dark); font-weight: 500; }
.ss-breadcrumb__item:hover { color: var(--ss-primary); }
.ss-breadcrumb__sep { color: var(--ss-text-muted); }

/* ===================== 文章详情页 ===================== */
.ss-post {
  padding: 0 0 80px;
}
.ss-post__container { max-width: 800px; }
.ss-post__header { text-align: center; padding: 32px 0 28px; }
.ss-post__meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 13.5px;
  color: var(--ss-text-soft);
  margin-bottom: 20px;
}
.ss-post__category {
  padding: 2px 10px;
  background: var(--ss-bg-soft);
  color: var(--ss-primary);
  border-radius: var(--ss-radius-pill);
  font-weight: 500;
}
.ss-post__date, .ss-post__views {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.ss-post__title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--ss-primary-dark);
}
.ss-post__excerpt {
  font-size: 16px;
  color: var(--ss-text-soft);
  line-height: 1.7;
  margin: 0 0 16px;
  padding: 16px 20px;
  background: var(--ss-bg-soft);
  border-left: 3px solid var(--ss-primary);
  border-radius: 0 var(--ss-radius) var(--ss-radius) 0;
}
.ss-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}
.ss-post__cover {
  margin: 32px 0;
  border-radius: var(--ss-radius-lg);
  overflow: hidden;
  box-shadow: var(--ss-shadow);
}

.ss-post__content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ss-text);
}
.ss-post__content h1, .ss-post__content h2, .ss-post__content h3,
.ss-post__content h4, .ss-post__content h5, .ss-post__content h6 {
  margin: 1.6em 0 0.6em;
  font-weight: 600;
  color: var(--ss-primary-dark);
}
.ss-post__content h2 { font-size: 26px; padding-bottom: 8px; border-bottom: 1px solid var(--ss-border-soft); }
.ss-post__content h3 { font-size: 21px; }
.ss-post__content h4 { font-size: 18px; }
.ss-post__content p { margin: 1em 0; }
.ss-post__content a { color: var(--ss-primary); border-bottom: 1px solid transparent; }
.ss-post__content a:hover { border-bottom-color: currentColor; }
.ss-post__content img { border-radius: var(--ss-radius); margin: 1.5em 0; box-shadow: var(--ss-shadow-sm); }
.ss-post__content blockquote {
  margin: 1.5em 0;
  padding: 16px 22px;
  background: var(--ss-bg-soft);
  border-left: 3px solid var(--ss-primary);
  color: var(--ss-text-soft);
  border-radius: 0 var(--ss-radius) var(--ss-radius) 0;
  font-style: italic;
}
.ss-post__content blockquote p { margin: 0.5em 0; }
.ss-post__content code {
  font-family: var(--ss-font-mono);
  font-size: 0.9em;
  padding: 2px 6px;
  background: var(--ss-bg-soft);
  border-radius: 4px;
  color: var(--ss-accent);
}
.ss-post__content pre {
  background: #2A4030;
  color: #E8DCC2;
  padding: 18px 22px;
  border-radius: var(--ss-radius);
  overflow-x: auto;
  font-family: var(--ss-font-mono);
  font-size: 14px;
  line-height: 1.7;
  margin: 1.5em 0;
}
.ss-post__content pre code { background: transparent; color: inherit; padding: 0; }
.ss-post__content ul, .ss-post__content ol { padding-left: 1.5em; margin: 1em 0; }
.ss-post__content ul { list-style: disc; }
.ss-post__content ol { list-style: decimal; }
.ss-post__content li { margin: 0.4em 0; }
.ss-post__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 14.5px;
}
.ss-post__content th, .ss-post__content td {
  padding: 10px 14px;
  border: 1px solid var(--ss-border-soft);
  text-align: left;
}
.ss-post__content th { background: var(--ss-bg-soft); font-weight: 600; color: var(--ss-primary-dark); }

.ss-post__footer {
  margin-top: 48px;
  padding: 20px 0;
  border-top: 1px solid var(--ss-border-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
  color: var(--ss-text-soft);
}
.ss-post__copyright strong { color: var(--ss-primary-dark); }
.ss-post__share { display: inline-flex; align-items: center; gap: 8px; }
.ss-social-mini {
  padding: 4px 10px;
  background: var(--ss-bg-soft);
  color: var(--ss-text-soft);
  border-radius: var(--ss-radius-pill);
  font-size: 12px;
  transition: all var(--ss-transition);
}
.ss-social-mini:hover { background: var(--ss-primary); color: #fff; }

.ss-author {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 24px;
  background: var(--ss-bg-soft);
  border-radius: var(--ss-radius);
  margin-top: 32px;
}
.ss-author__avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.ss-author__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ss-primary-dark);
  display: block;
  margin-bottom: 4px;
}
.ss-author__bio {
  font-size: 13.5px;
  color: var(--ss-text-soft);
  margin: 0;
  line-height: 1.6;
}

.ss-post__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.ss-post__nav-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  transition: all var(--ss-transition);
}
.ss-post__nav-item:hover {
  border-color: var(--ss-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--ss-shadow-sm);
}
.ss-post__nav-item--next { text-align: right; }
.ss-post__nav-label {
  font-size: 12px;
  color: var(--ss-text-muted);
}
.ss-post__nav-title {
  font-size: 14.5px;
  color: var(--ss-text);
  font-weight: 500;
}

/* ===================== 单页面 ===================== */
.ss-page { padding: 0 0 80px; }
.ss-page__container { max-width: 800px; }
.ss-page__header { text-align: center; padding: 40px 0 24px; }
.ss-page__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--ss-primary-dark);
  margin: 0 0 12px;
}
.ss-page__desc { font-size: 16px; color: var(--ss-text-soft); }
.ss-page__cover { margin: 24px 0 32px; border-radius: var(--ss-radius-lg); overflow: hidden; }
.ss-page__content { font-size: 16px; line-height: 1.85; }
.ss-page__content h2 { font-size: 26px; margin: 1.6em 0 0.6em; }
.ss-page__content h3 { font-size: 21px; margin: 1.4em 0 0.5em; }
.ss-page__content p { margin: 1em 0; }
.ss-page__content img { border-radius: var(--ss-radius); margin: 1.5em 0; }
.ss-page__content ul, .ss-page__content ol { padding-left: 1.5em; }
.ss-page__content ul { list-style: disc; }
.ss-page__content ol { list-style: decimal; }

/* ===================== 关于页 ===================== */
.ss-about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin: 32px 0 60px;
}
.ss-about__h2 {
  font-size: 22px;
  color: var(--ss-primary-dark);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ss-primary-light);
  display: inline-block;
}
.ss-about__list { display: flex; flex-direction: column; gap: 14px; }
.ss-about__list li { padding-left: 4px; line-height: 1.7; }
.ss-about__list strong { color: var(--ss-primary-dark); margin-right: 4px; }

.ss-timeline__list {
  position: relative;
  padding-left: 60px;
}
.ss-timeline__list::before {
  content: "";
  position: absolute;
  left: 18px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--ss-primary) 0%, var(--ss-primary-light) 100%);
}
.ss-timeline__item {
  position: relative;
  padding: 8px 0 24px;
}
.ss-timeline__item::before {
  content: "";
  position: absolute;
  left: -49px; top: 12px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--ss-bg);
  border: 3px solid var(--ss-primary);
}
.ss-timeline__year {
  font-size: 18px;
  font-weight: 700;
  color: var(--ss-primary);
  font-family: var(--ss-font-display);
  margin-bottom: 4px;
}
.ss-timeline__content { color: var(--ss-text-soft); }

/* ===================== 服务页流程 ===================== */
.ss-process {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 32px 0 60px;
  flex-wrap: wrap;
}
.ss-process__step {
  flex: 1;
  min-width: 160px;
  text-align: center;
  padding: 24px 16px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  transition: all var(--ss-transition);
}
.ss-process__step:hover {
  transform: translateY(-3px);
  box-shadow: var(--ss-shadow);
  border-color: var(--ss-primary-light);
}
.ss-process__num {
  font-size: 32px;
  font-weight: 700;
  color: var(--ss-primary);
  font-family: var(--ss-font-display);
  margin-bottom: 8px;
}
.ss-process__step h3 { font-size: 17px; margin: 0 0 8px; color: var(--ss-primary-dark); }
.ss-process__step p { font-size: 13.5px; color: var(--ss-text-soft); margin: 0; line-height: 1.6; }
.ss-process__arrow {
  font-size: 24px;
  color: var(--ss-primary-light);
  flex-shrink: 0;
}

.ss-service-detail { display: flex; flex-direction: column; gap: 40px; }
.ss-service-detail__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 32px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius-lg);
  transition: all var(--ss-transition);
}
.ss-service-detail__item:hover { box-shadow: var(--ss-shadow); }
.ss-service-detail__icon {
  width: 64px; height: 64px;
  padding: 14px;
  background: var(--ss-bg-soft);
  border-radius: var(--ss-radius);
  color: var(--ss-primary);
}
.ss-service-detail__icon svg { width: 100%; height: 100%; }
.ss-service-detail__body h2 { font-size: 22px; margin: 0 0 12px; color: var(--ss-primary-dark); }
.ss-service-detail__body p { font-size: 15px; color: var(--ss-text-soft); margin: 0 0 16px; }
.ss-service-detail__body ul { padding-left: 1.2em; }
.ss-service-detail__body ul li { list-style: disc; color: var(--ss-text-soft); margin: 6px 0; }

/* ===================== 案例页 ===================== */
.ss-cases__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.ss-case-card {
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  overflow: hidden;
  transition: all var(--ss-transition);
}
.ss-case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ss-shadow);
}
.ss-case-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--ss-primary-light) 0%, var(--ss-primary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.ss-case-card__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(63, 94, 71, 0.4) 100%);
}
.ss-case-card__industry {
  position: relative;
  z-index: 1;
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 4px;
}
.ss-case-card__body { padding: 22px 24px 24px; }
.ss-case-card__body h3 { font-size: 18px; margin: 0 0 10px; color: var(--ss-primary-dark); }
.ss-case-card__body p { font-size: 14px; color: var(--ss-text-soft); margin: 0 0 14px; line-height: 1.6; }
.ss-case-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* ===================== 联系页 ===================== */
.ss-contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  margin-top: 24px;
}
.ss-contact__info h2,
.ss-contact__form h2 {
  font-size: 24px;
  margin: 0 0 20px;
  color: var(--ss-primary-dark);
}
.ss-contact__item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ss-border-soft);
}
.ss-contact__item:last-child { border-bottom: none; }
.ss-contact__icon {
  width: 48px; height: 48px;
  background: var(--ss-bg-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.ss-contact__item h3 { font-size: 14px; color: var(--ss-text-soft); margin: 0 0 6px; font-weight: 500; }
.ss-contact__item p { margin: 0; color: var(--ss-text); }

.ss-contact__form-desc { font-size: 14px; color: var(--ss-text-soft); margin: 0 0 20px; }
.ss-contact__form form { display: flex; flex-direction: column; gap: 16px; }
.ss-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ss-contact__form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--ss-text-soft);
}
.ss-contact__form input,
.ss-contact__form textarea {
  width: 100%;
  padding: 12px 16px;
  font: inherit;
  color: var(--ss-text);
  background: var(--ss-card);
  border: 1px solid var(--ss-border);
  border-radius: var(--ss-radius);
  transition: border-color var(--ss-transition);
  resize: vertical;
}
.ss-contact__form input:focus,
.ss-contact__form textarea:focus {
  outline: none;
  border-color: var(--ss-primary);
  box-shadow: 0 0 0 3px rgba(90, 122, 92, 0.12);
}
.ss-contact__form .ss-btn { align-self: flex-start; margin-top: 8px; }

/* ===================== 归档 ===================== */
.ss-archive__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 32px 0;
  border-top: 1px solid var(--ss-border-soft);
}
.ss-archive__item {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 8px;
  border-bottom: 1px solid var(--ss-border-soft);
  transition: background var(--ss-transition);
}
.ss-archive__item:hover { background: var(--ss-bg-soft); }
.ss-archive__date {
  font-size: 13px;
  color: var(--ss-text-soft);
  font-family: var(--ss-font-mono);
}
.ss-archive__title {
  font-size: 16px;
  font-weight: 500;
  margin: 0;
}
.ss-archive__title a { color: var(--ss-text); }
.ss-archive__title a:hover { color: var(--ss-primary-dark); }
.ss-archive__meta { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

/* ===================== 标签集合页 ===================== */
.ss-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.ss-tag-cloud-item {
  --tag-color: var(--ss-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius-pill);
  font-size: 14px;
  color: var(--tag-color);
  transition: all var(--ss-transition);
}
.ss-tag-cloud-item:hover {
  background: var(--tag-color);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--ss-shadow);
}
.ss-tag-cloud-item__count {
  padding: 0 6px;
  font-size: 12px;
  background: var(--ss-bg-soft);
  color: var(--ss-text-soft);
  border-radius: var(--ss-radius-pill);
}
.ss-tag-cloud-item:hover .ss-tag-cloud-item__count {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* ===================== 分类集合 ===================== */
.ss-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.ss-category-card {
  display: block;
  background: var(--ss-card);
  border: 1px solid var(--ss-border-soft);
  border-radius: var(--ss-radius);
  overflow: hidden;
  transition: all var(--ss-transition);
}
.ss-category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ss-shadow);
}
.ss-category-card__cover {
  aspect-ratio: 16 / 9;
  background: var(--ss-bg-soft);
  overflow: hidden;
}
.ss-category-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.ss-category-card__cover--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--ss-primary-light);
  background: linear-gradient(135deg, var(--ss-bg-soft) 0%, #E8DCC2 100%);
}
.ss-category-card__body { padding: 18px 20px 20px; }
.ss-category-card__name { font-size: 18px; margin: 0 0 6px; color: var(--ss-primary-dark); }
.ss-category-card__desc {
  font-size: 13.5px;
  color: var(--ss-text-soft);
  margin: 0 0 10px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ss-category-card__count { font-size: 12px; color: var(--ss-text-muted); }

/* ===================== 搜索 ===================== */
.ss-search__form {
  display: flex;
  max-width: 560px;
  margin: 0 auto 32px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border);
  border-radius: var(--ss-radius-pill);
  overflow: hidden;
  box-shadow: var(--ss-shadow-sm);
  transition: box-shadow var(--ss-transition);
}
.ss-search__form:focus-within { box-shadow: var(--ss-shadow); }
.ss-search__input {
  flex: 1;
  padding: 14px 22px;
  font: inherit;
  color: var(--ss-text);
  background: transparent;
  border: none;
}
.ss-search__input:focus { outline: none; }
.ss-search__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  background: var(--ss-primary);
  color: #fff;
  transition: background var(--ss-transition);
}
.ss-search__btn:hover { background: var(--ss-primary-dark); }
.ss-search__btn svg { width: 20px; height: 20px; }
.ss-search__summary { text-align: center; color: var(--ss-text-soft); margin-bottom: 24px; }

/* ===================== 分页 ===================== */
.ss-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 48px 0 0;
}
.ss-pagination__btn {
  padding: 10px 22px;
  background: var(--ss-card);
  border: 1px solid var(--ss-border);
  border-radius: var(--ss-radius-pill);
  color: var(--ss-text);
  font-size: 14px;
  transition: all var(--ss-transition);
}
.ss-pagination__btn:hover {
  background: var(--ss-primary);
  color: #fff;
  border-color: var(--ss-primary);
}
.ss-pagination__info {
  font-size: 14px;
  color: var(--ss-text-soft);
  font-family: var(--ss-font-mono);
}

/* ===================== 空状态 ===================== */
.ss-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--ss-text-soft);
}
.ss-empty__icon { font-size: 48px; margin-bottom: 12px; }
.ss-empty__text { margin: 0; font-size: 14.5px; }

/* ===================== 页脚（4 列布局）===================== */
.ss-footer {
  background: var(--ss-footer-bg);
  color: rgba(232, 220, 194, 0.7);
  padding: 56px 0 24px;
  margin-top: 80px;
}
.ss-footer__inner { color: inherit; }
.ss-footer__top {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}
.ss-footer__col { display: flex; flex-direction: column; gap: 12px; }
.ss-footer__col--right { align-items: flex-end; text-align: right; }
.ss-footer__hint { font-size: 13px; color: rgba(232, 220, 194, 0.55); margin: 0 0 12px; line-height: 1.6; }
.ss-footer__qr { width: 100px; aspect-ratio: 1; background: #fff; padding: 6px; border-radius: var(--ss-radius-sm); }
.ss-footer__qr svg { width: 100%; height: 100%; }
.ss-footer__line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: rgba(232, 220, 194, 0.85);
}
.ss-footer__line a { color: inherit; }
.ss-footer__line a:hover { color: #fff; }
.ss-footer__icon { font-size: 18px; }

.ss-footer__label {
  font-size: 13px;
  color: rgba(232, 220, 194, 0.5);
  margin-bottom: 4px;
  letter-spacing: 1px;
}
.ss-footer__socials { display: inline-flex; gap: 12px; }
.ss-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
  color: rgba(232, 220, 194, 0.85);
  transition: all var(--ss-transition);
}
.ss-social svg { width: 18px; height: 18px; }
.ss-social:hover {
  background: var(--ss-primary);
  color: #fff;
  transform: translateY(-2px);
}

.ss-footer__divider {
  height: 1px;
  background: rgba(232, 220, 194, 0.12);
  margin: 32px 0 20px;
}
.ss-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(232, 220, 194, 0.5);
}
.ss-footer__copyright strong { color: rgba(232, 220, 194, 0.85); }
.ss-footer__beian a { color: inherit; }
.ss-footer__signature {
  font-size: 12px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--ss-radius-pill);
  color: rgba(232, 220, 194, 0.6);
}

/* ===================== 文档型文章 ===================== */
.ss-doc { padding: 0 0 80px; }
.ss-doc__container { max-width: 1100px; }
.ss-doc__header { text-align: center; padding: 32px 0 24px; }
.ss-doc__meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--ss-text-soft);
  margin-bottom: 16px;
}
.ss-doc__category {
  padding: 2px 10px;
  background: var(--ss-bg-soft);
  color: var(--ss-primary);
  border-radius: var(--ss-radius-pill);
  font-weight: 500;
}
.ss-doc__title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--ss-primary-dark);
}
.ss-doc__excerpt { font-size: 16px; color: var(--ss-text-soft); margin: 0; }
.ss-doc__layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  margin-top: 32px;
}
.ss-doc__sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding: 16px;
  background: var(--ss-bg-soft);
  border-radius: var(--ss-radius);
  font-size: 13.5px;
}
.ss-doc__sidebar h3 {
  font-size: 13px;
  color: var(--ss-text-soft);
  margin: 0 0 12px;
  letter-spacing: 1px;
  font-weight: 500;
}
.ss-doc__toc ul ul { padding-left: 16px; }
.ss-doc__toc a { color: var(--ss-text); display: block; padding: 4px 0; }
.ss-doc__toc a:hover { color: var(--ss-primary-dark); }
.ss-doc__content { max-width: 800px; }
.ss-doc__content h2, .ss-doc__content h3, .ss-doc__content h4 {
  scroll-margin-top: 96px;
}

/* ===================== 响应式 ===================== */
@media (max-width: 1024px) {
  .ss-hero { padding: 48px 0 64px; }
  .ss-hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .ss-hero__left { position: static; }
  .ss-arch-scene { max-width: 480px; margin: 0 auto; }
  .ss-hero__left-bottom { grid-template-columns: 1fr; gap: 24px; }
  .ss-arch-chart { width: 200px; margin: 0 auto; }
  .ss-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .ss-services__grid { grid-template-columns: 1fr; }
  .ss-contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .ss-doc__layout { grid-template-columns: 1fr; gap: 24px; }
  .ss-doc__sidebar { position: static; max-height: none; }
  .ss-about__grid { grid-template-columns: 1fr; gap: 32px; }
  .ss-footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .ss-container { padding: 0 20px; }
  .ss-header__inner { height: 64px; }
  .ss-brand__en { display: none; }
  .ss-nav {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--ss-bg);
    border-bottom: 1px solid var(--ss-border-soft);
    padding: 16px 20px;
    transform: translateY(-100%);
    transition: transform var(--ss-transition);
    box-shadow: var(--ss-shadow);
  }
  .ss-nav.is-open { transform: translateY(0); }
  .ss-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .ss-nav__item { width: 100%; }
  .ss-nav__link {
    display: block;
    padding: 14px 16px;
    border-radius: var(--ss-radius);
  }
  .ss-burger { display: inline-flex; align-items: center; justify-content: center; }
  .ss-header__actions .ss-btn { display: none; }

  .ss-hero { padding: 32px 0 48px; }
  .ss-hero__right { gap: 36px; }
  .ss-slogan__title { font-size: 32px; }
  .ss-slogan__subtitle { font-size: 15px; }
  .ss-stats { padding: 22px 16px; }
  .ss-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .ss-stat-item__num { font-size: 32px; }
  .ss-process { flex-direction: column; }
  .ss-process__arrow { transform: rotate(90deg); }
  .ss-service-detail__item { grid-template-columns: 1fr; padding: 24px; }
  .ss-service-detail__icon { width: 48px; height: 48px; padding: 10px; }
  .ss-form-row { grid-template-columns: 1fr; }

  .ss-post__nav { grid-template-columns: 1fr; }
  .ss-archive__item { grid-template-columns: 1fr; gap: 6px; padding: 14px 4px; }
  .ss-archive__meta { justify-content: flex-start; }

  .ss-footer { padding: 40px 0 20px; }
  .ss-footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ss-footer__col--right { align-items: flex-start; text-align: left; }
  .ss-footer__col--right .ss-footer__qr { margin: 0; }
  .ss-footer__bottom { flex-direction: column; align-items: flex-start; }
  .ss-section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (max-width: 480px) {
  .ss-slogan__title { font-size: 28px; }
  .ss-slogan__buttons .ss-btn { width: 100%; justify-content: center; }
  .ss-posts-grid { grid-template-columns: 1fr; }
  .ss-cases__grid { grid-template-columns: 1fr; }
  .ss-categories-grid { grid-template-columns: 1fr; }
  .ss-footer__top { grid-template-columns: 1fr; }
}

/* ===================== 动画 ===================== */
@keyframes ss-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.ss-slogan,
.ss-services,
.ss-stats,
.ss-faq,
.ss-latest .ss-post-card {
  animation: ss-fade-up 600ms ease both;
}
.ss-services { animation-delay: 80ms; }
.ss-stats { animation-delay: 160ms; }
.ss-faq { animation-delay: 240ms; }

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===================== 打印样式 ===================== */
@media print {
  .ss-header, .ss-footer, .ss-burger, .ss-post__nav, .ss-pagination { display: none; }
  body { background: #fff; color: #000; }
}