/* ========================================================
   DeepSeek 食谱版式 · 左图右步骤设计系统 (Recipe Editorial System)
   配色规范：
     --bg-oatmeal:    #F3E6D0 (燕麦底色)
     --ink-blue:      #1E3A5F (墨水蓝主色)
     --tomato-red:    #E24E3A (番茄红重点色)
     --bg-oatmeal-light: #FAF5EC (浅燕麦奶白)
     --ink-blue-dark: #12243B (深墨水蓝)
     --ink-blue-soft: #2D507B (柔和墨水蓝)
     --border-oatmeal: #DEC9AD (燕麦暗边框)
   ======================================================== */

:root {
  --bg-oatmeal: #F3E6D0;
  --bg-oatmeal-light: #FAF5EC;
  --bg-oatmeal-card: #FFFFFF;
  --ink-blue: #1E3A5F;
  --ink-blue-dark: #12243B;
  --ink-blue-soft: #2C4E78;
  --ink-blue-faint: rgba(30, 58, 95, 0.08);
  --tomato-red: #E24E3A;
  --tomato-red-dark: #C63825;
  --tomato-red-soft: rgba(226, 78, 58, 0.12);
  --border-oatmeal: #DEC9AD;
  --border-dark: #1E3A5F;
  --sonar-green: rgba(0, 229, 160, 0.85);

  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;

  --max-w: 1240px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-oatmeal-light);
  color: var(--ink-blue);
  font-family: var(--font-sans);
  line-height: 1.7;
}

body {
  background-color: var(--bg-oatmeal-light);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(226, 78, 58, 0.03) 0, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(30, 58, 95, 0.04) 0, transparent 40%),
    repeating-linear-gradient(45deg, rgba(222, 201, 173, 0.15) 0px, rgba(222, 201, 173, 0.15) 1px, transparent 1px, transparent 12px);
  min-height: 100vh;
  color: var(--ink-blue);
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ========================================================
   1. 顶栏：左右分栏
   左边只有 Logo，右边是「API 开放平台」和「English」
   不承担主导航
   ======================================================== */
.topbar {
  background: var(--bg-oatmeal);
  border-bottom: 2px solid var(--ink-blue);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.topbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar-left .brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-left .brand-logo-img {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.topbar-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-blue);
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.topbar-link:hover {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
}

.topbar-link.active-badge {
  background: var(--tomato-red);
  color: #fff;
  border: 1px solid var(--tomato-red);
}

.topbar-link.active-badge:hover {
  background: var(--tomato-red-dark);
}

.topbar-lang {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-blue-soft);
  padding: 0.35rem 0.65rem;
  border: 1px dashed var(--ink-blue);
  border-radius: 4px;
  background: rgba(243, 230, 208, 0.6);
}

/* ========================================================
   2. 首屏：整页重心
   上层区域偏右 canvas（同心圆、十字线、扫描扇形、回波点）
   文字叠在画布上：公告条、超大标题、副题、两张同结构卡片
   ======================================================== */
.hero-stage {
  position: relative;
  overflow: hidden;
  background: var(--bg-oatmeal-light);
  border-bottom: 2px solid var(--border-oatmeal);
  padding: 3rem 1.5rem 4rem 1.5rem;
}

/* 右偏上层 Canvas 背景 */
.hero-sonar-canvas {
  position: absolute;
  top: 10px;
  right: -50px;
  width: 580px;
  height: 580px;
  pointer-events: none;
  opacity: 0.88;
  z-index: 1;
}

.hero-container {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* 公告条 */
.hero-bulletin {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  padding: 0.45rem 1rem;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 14px rgba(30, 58, 95, 0.15);
}

.bulletin-tag {
  background: var(--tomato-red);
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

/* 超大标题 */
.hero-main-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.2vw, 4.2rem);
  line-height: 1.15;
  font-weight: 900;
  color: var(--ink-blue-dark);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 820px;
}

.hero-main-title .highlight-tomato {
  color: var(--tomato-red);
}

/* 副题 */
.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--ink-blue-soft);
  max-width: 680px;
  margin-bottom: 2.5rem;
  font-weight: 500;
}

/* 两张同结构卡片：主卡链到 web.html，次卡空链接 */
.hero-action-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 760px;
  margin-bottom: 3.5rem;
}

.action-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.6rem 1.75rem;
  border-radius: 8px;
  border: 2px solid var(--ink-blue);
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.action-card.card-primary {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  box-shadow: 6px 6px 0 var(--tomato-red);
}

.action-card.card-primary:hover {
  transform: translateY(-3px);
  box-shadow: 8px 8px 0 var(--tomato-red);
}

.action-card.card-secondary {
  background: var(--bg-oatmeal);
  color: var(--ink-blue);
  box-shadow: 6px 6px 0 var(--ink-blue);
}

.action-card.card-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 8px 8px 0 var(--ink-blue-dark);
  background: #fff;
}

.card-top-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.card-primary .card-top-icon {
  background: var(--tomato-red);
  color: #fff;
}

.card-secondary .card-top-icon {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.9;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.card-primary .card-arrow {
  color: var(--tomato-red);
}

.card-secondary .card-arrow {
  color: var(--ink-blue);
}

/* ========================================================
   核心食谱版式：左图右步骤 (The Recipe Showcase Frame)
   左一半是抽象图，右一半是三步流程
   骨架：产品名，三步，完成态
   配色：燕麦 #F3E6D0、墨水蓝 #1E3A5F、番茄 #E24E3A
   ======================================================== */
.recipe-showcase-wrapper {
  background: var(--bg-oatmeal);
  border: 3px solid var(--ink-blue);
  box-shadow: 10px 10px 0 var(--ink-blue);
  border-radius: 12px;
  padding: 2.25rem;
  margin-top: 1rem;
}

.recipe-board-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px dashed var(--ink-blue);
  padding-bottom: 1.2rem;
  margin-bottom: 2rem;
}

.recipe-product-tag {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--tomato-red);
  text-transform: uppercase;
}

.recipe-product-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 900;
  color: var(--ink-blue-dark);
}

.recipe-meta-badges {
  display: flex;
  gap: 0.75rem;
}

.recipe-meta-pill {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--ink-blue);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.75);
}

.recipe-grid-split {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
}

/* 左一半：抽象的 Deep Seek 标记图鉴 */
.recipe-diagram-side {
  background: var(--ink-blue);
  border-radius: 8px;
  padding: 2rem;
  color: var(--bg-oatmeal);
  position: relative;
  border: 2px solid var(--ink-blue-dark);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}

.abstract-mark-svg {
  width: 220px;
  height: 220px;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.4));
}

.diagram-caption {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  color: var(--bg-oatmeal);
  opacity: 0.85;
}

.diagram-caption strong {
  color: var(--tomato-red);
}

/* 右一半：食谱版式三步流程，步骤号很大 */
.recipe-steps-side {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.recipe-step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--bg-oatmeal-light);
  padding: 1.2rem 1.4rem;
  border: 2px solid var(--border-oatmeal);
  border-radius: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.recipe-step-item:hover {
  transform: translateX(4px);
  border-color: var(--tomato-red);
}

.step-huge-number {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 0.9;
  color: var(--tomato-red);
  min-width: 48px;
}

.step-body-content h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-blue-dark);
  margin-bottom: 0.3rem;
}

.step-body-content p {
  font-size: 0.88rem;
  color: var(--ink-blue-soft);
  line-height: 1.5;
}

/* 完成态：产品名 + 完成态按钮「打开网页版」+ 副题「探索未至之境」 */
.recipe-final-state {
  margin-top: 0.75rem;
  padding: 1.25rem 1.5rem;
  background: var(--tomato-red);
  color: #fff;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.final-state-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 800;
}

.final-state-subtitle {
  font-size: 0.82rem;
  opacity: 0.92;
}

.btn-open-web {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  padding: 0.75rem 1.6rem;
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.98rem;
  border: 2px solid #fff;
  box-shadow: 3px 3px 0 #fff;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-open-web:hover {
  background: var(--ink-blue-dark);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 #fff;
}

/* ========================================================
   3. 能力区：声呐从背景变成内容
   四张卡横排：深海扫描、探测未知、知识显影、Harness
   下方指标条：四组数字等分排开
   ======================================================== */
.capabilities-section {
  padding: 4.5rem 1.5rem 4rem 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-head-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  border-bottom: 2px solid var(--ink-blue);
  padding-bottom: 1rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--ink-blue-dark);
}

.section-note {
  font-size: 0.9rem;
  color: var(--ink-blue-soft);
  font-weight: 600;
}

.capabilities-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}

.capability-card {
  background: var(--bg-oatmeal);
  border: 2px solid var(--ink-blue);
  border-radius: 8px;
  padding: 1.6rem 1.3rem;
  box-shadow: 4px 4px 0 var(--border-oatmeal);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.capability-card:hover {
  transform: translateY(-3px);
  border-color: var(--tomato-red);
  box-shadow: 4px 4px 0 var(--tomato-red);
}

.cap-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--tomato-red);
  margin-bottom: 0.75rem;
}

.cap-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.cap-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ink-blue-dark);
  margin-bottom: 0.6rem;
}

.cap-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink-blue-soft);
  flex-grow: 1;
}

/* 下方指标条：四组数字等分排开，打断卡片墙节奏 */
.metrics-strip {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  border: 2px solid var(--ink-blue-dark);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 1.75rem 1rem;
  box-shadow: 6px 6px 0 var(--tomato-red);
}

.metric-col {
  text-align: center;
  position: relative;
  padding: 0 1rem;
}

.metric-col:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(243, 230, 208, 0.25);
}

.metric-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--tomato-red);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.metric-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg-oatmeal);
  letter-spacing: 0.5px;
}

/* ========================================================
   4. 步骤区：内联布局
   外层灰底/燕麦拉通全宽，内层收成 1200px 居中
   四步竖向排列，左侧超大数字、右侧标题加说明
   ======================================================== */
.procedure-fullwidth-wrap {
  width: 100%;
  background: #E8DAC6;
  border-top: 2px solid var(--ink-blue);
  border-bottom: 2px solid var(--ink-blue);
  padding: 4.5rem 1.5rem;
}

.procedure-inner-1200 {
  max-width: 1200px;
  margin: 0 auto;
}

.procedure-header {
  margin-bottom: 2.75rem;
}

.procedure-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--tomato-red);
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.procedure-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--ink-blue-dark);
}

.procedure-steps-vertical {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.procedure-step-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  background: var(--bg-oatmeal-light);
  border: 2px solid var(--ink-blue);
  border-radius: 8px;
  padding: 1.75rem 2.25rem;
  align-items: center;
  box-shadow: 4px 4px 0 var(--ink-blue);
  transition: transform 0.2s ease;
}

.procedure-step-row:hover {
  transform: translateX(6px);
  border-color: var(--tomato-red);
}

.procedure-num-col {
  font-family: var(--font-serif);
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--tomato-red);
  line-height: 1;
  text-align: center;
  border-right: 2px dashed var(--border-oatmeal);
  padding-right: 1.5rem;
}

.procedure-info-col h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ink-blue-dark);
  margin-bottom: 0.4rem;
}

.procedure-info-col p {
  font-size: 0.92rem;
  color: var(--ink-blue-soft);
  line-height: 1.6;
}

/* ========================================================
   5. API 区：单列代码块
   注释、关键字、字符串靠颜色区分
   没有左右分栏，也没有请求和响应对照
   ======================================================== */
.api-single-section {
  padding: 4.5rem 1.5rem 3.5rem 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.code-box-container {
  background: var(--ink-blue-dark);
  border: 2px solid var(--ink-blue);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--tomato-red);
}

.code-box-header {
  background: var(--ink-blue);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(243, 230, 208, 0.2);
}

.code-header-title {
  color: var(--bg-oatmeal);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--tomato-red);
}

.code-box-pre {
  margin: 0;
  padding: 1.5rem;
  overflow-x: auto;
  color: var(--bg-oatmeal);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

.code-comment { color: #8E9FAA; font-style: italic; }
.code-keyword { color: var(--tomato-red); font-weight: 700; }
.code-string  { color: #A6D189; }
.code-func    { color: #E5C890; }

/* ========================================================
   6. 影像区：四张横图，只做展示，没有图注和点击
   合理插入图片 1.webp-4.webp
   ======================================================== */
.gallery-section {
  padding: 3rem 1.5rem 4rem 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.gallery-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-card {
  background: var(--bg-oatmeal);
  border: 2px solid var(--ink-blue);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 4px 4px 0 var(--border-oatmeal);
}

.gallery-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform 0.3s ease;
  pointer-events: none;
}

/* 视觉补充区 (融合 5.webp - 9.webp) */
.supplemental-images-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.supplemental-card {
  border: 2px solid var(--border-oatmeal);
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
}

.supplemental-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  pointer-events: none;
}

/* ========================================================
   7. 问答区：居中窄栏
   ======================================================== */
.faq-narrow-section {
  padding: 3.5rem 1.5rem 4.5rem 1.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--bg-oatmeal);
  border: 2px solid var(--ink-blue);
  border-radius: 8px;
  padding: 1.4rem 1.75rem;
  box-shadow: 3px 3px 0 var(--border-oatmeal);
}

.faq-q {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--tomato-red);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-a {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-blue);
}

/* ========================================================
   8. 页脚：多列
   品牌说明占更宽的一列，后面四列是研究、产品、法务、招聘
   最底下一整条版权和第三方声明
   ======================================================== */
.site-footer {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  border-top: 3px solid var(--tomato-red);
  padding: 4.5rem 1.5rem 2rem 1.5rem;
}

.footer-container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-cols-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col .footer-brand-logo {
  height: 36px;
  width: auto;
  margin-bottom: 1.25rem;
}

.footer-brand-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(243, 230, 208, 0.85);
  max-width: 320px;
}

.footer-nav-col h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--tomato-red);
  margin-bottom: 1.25rem;
  border-bottom: 1px dashed rgba(243, 230, 208, 0.3);
  padding-bottom: 0.4rem;
}

.footer-nav-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-nav-col a {
  font-size: 0.88rem;
  color: var(--bg-oatmeal);
  opacity: 0.85;
  transition: opacity 0.2s, color 0.2s;
}

.footer-nav-col a:hover {
  opacity: 1;
  color: var(--tomato-red);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(243, 230, 208, 0.2);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(243, 230, 208, 0.65);
  text-align: center;
}

/* ========================================================
   响应式断点适配
   ======================================================== */
@media (max-width: 1024px) {
  .recipe-grid-split {
    grid-template-columns: 1fr;
  }
  .capabilities-grid-4,
  .gallery-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .supplemental-images-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-cols-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-action-cards {
    grid-template-columns: 1fr;
  }
  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem 0;
  }
  .metric-col:nth-child(2)::after {
    display: none;
  }
  .procedure-step-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .procedure-num-col {
    text-align: left;
    border-right: none;
    border-bottom: 2px dashed var(--border-oatmeal);
    padding-bottom: 0.5rem;
  }
  .footer-cols-grid {
    grid-template-columns: 1fr;
  }
  .supplemental-images-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================================
   网页版入口页 (web.html) 专属食谱组件
   ======================================================== */
.web-workbench-section {
  max-width: var(--max-w);
  margin: 2rem auto 4rem auto;
  padding: 0 1.5rem;
}

.web-console-card {
  background: #FFFFFF;
  border: 2px solid var(--ink-blue);
  box-shadow: 8px 8px 0 var(--ink-blue);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 3.5rem;
}

.console-header-bar {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  padding: 1rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.console-brand-flag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
}

.console-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 229, 160, 0.15);
  color: #00E5A0;
  border: 1px solid rgba(0, 229, 160, 0.4);
  padding: 0.2rem 0.65rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.console-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00E5A0;
  box-shadow: 0 0 6px #00E5A0;
}

.console-body-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 520px;
}

.console-sidebar-recipes {
  background: var(--bg-oatmeal-light);
  border-right: 2px solid var(--border-oatmeal);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--tomato-red);
  padding-bottom: 0.4rem;
}

.recipe-prompt-item {
  background: #FFFFFF;
  border: 1px solid var(--border-oatmeal);
  padding: 0.85rem;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.recipe-prompt-item:hover,
.recipe-prompt-item.active {
  border-color: var(--tomato-red);
  transform: translateX(4px);
  box-shadow: 2px 2px 0 var(--tomato-red);
}

.recipe-prompt-item .prompt-cat {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--tomato-red);
  text-transform: uppercase;
}

.recipe-prompt-item .prompt-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink-blue);
  margin: 0.25rem 0;
}

.recipe-prompt-item .prompt-meta {
  font-size: 0.75rem;
  color: var(--ink-blue-soft);
  opacity: 0.8;
}

.console-chat-main {
  background: #FFFFFF;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.chat-bubble-stream {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.chat-bubble {
  padding: 1.25rem;
  border-radius: 4px;
  line-height: 1.65;
  font-size: 0.95rem;
}

.chat-bubble.bubble-user {
  background: var(--bg-oatmeal);
  border-left: 4px solid var(--ink-blue);
  align-self: flex-start;
  width: 90%;
}

.chat-bubble.bubble-assistant {
  background: var(--bg-oatmeal-light);
  border-left: 4px solid var(--tomato-red);
  align-self: stretch;
}

.thought-chain-box {
  background: rgba(30, 58, 95, 0.04);
  border: 1px dashed var(--border-oatmeal);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-blue-soft);
}

.thought-chain-title {
  font-weight: 700;
  color: var(--tomato-red);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-input-area {
  border-top: 1px solid var(--border-oatmeal);
  padding-top: 1.25rem;
  display: flex;
  gap: 0.75rem;
}

.chat-input-field {
  flex: 1;
  padding: 0.85rem 1rem;
  border: 2px solid var(--border-oatmeal);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink-blue);
  background: var(--bg-oatmeal-light);
  transition: border-color 0.2s;
}

.chat-input-field:focus {
  outline: none;
  border-color: var(--tomato-red);
}

.btn-send-chat {
  background: var(--tomato-red);
  color: #FFFFFF;
  border: 2px solid var(--tomato-red);
  padding: 0 1.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.btn-send-chat:hover {
  background: var(--tomato-red-dark);
  transform: translateY(-2px);
}

/* 节点测速矩阵 */
.nodes-speed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.node-speed-card {
  background: #FFFFFF;
  border: 2px solid var(--border-oatmeal);
  border-radius: 4px;
  padding: 1.25rem;
  box-shadow: 4px 4px 0 var(--border-oatmeal);
  transition: transform 0.2s, border-color 0.2s;
}

.node-speed-card:hover {
  transform: translateY(-3px);
  border-color: var(--tomato-red);
  box-shadow: 4px 4px 0 var(--tomato-red);
}

.node-name {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink-blue);
  margin-bottom: 0.35rem;
}

.node-region {
  font-size: 0.78rem;
  color: var(--ink-blue-soft);
  margin-bottom: 0.75rem;
}

.node-metrics-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-oatmeal);
}

.node-ms {
  color: #059669;
  font-weight: 700;
}

/* ========================================================
   帮助中心页 (help.html) 专属食谱组件
   ======================================================== */
.help-main-section {
  max-width: var(--max-w);
  margin: 2rem auto 4rem auto;
  padding: 0 1.5rem;
}

.help-hero-banner {
  background: var(--ink-blue);
  color: var(--bg-oatmeal);
  padding: 3.5rem 2.5rem;
  border-radius: 4px;
  border: 2px solid var(--ink-blue-dark);
  box-shadow: 8px 8px 0 var(--tomato-red);
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.help-hero-banner h1 {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.25;
}

.help-hero-banner p {
  font-size: 1.05rem;
  color: var(--bg-oatmeal);
  max-width: 760px;
  line-height: 1.7;
}

.help-search-box {
  display: flex;
  max-width: 600px;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.help-search-input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border: 2px solid var(--border-oatmeal);
  border-radius: 4px;
  background: var(--bg-oatmeal-light);
  color: var(--ink-blue);
  font-size: 0.95rem;
}

.help-search-input:focus {
  outline: none;
  border-color: var(--tomato-red);
}

.help-search-btn {
  background: var(--tomato-red);
  color: #FFFFFF;
  border: none;
  padding: 0 1.75rem;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.help-search-btn:hover {
  background: var(--tomato-red-dark);
}

/* 帮助类别四格 */
.help-category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.help-cat-card {
  background: #FFFFFF;
  border: 2px solid var(--border-oatmeal);
  border-radius: 4px;
  padding: 1.75rem 1.25rem;
  box-shadow: 4px 4px 0 var(--border-oatmeal);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.help-cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink-blue);
  box-shadow: 4px 4px 0 var(--tomato-red);
}

.help-cat-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-oatmeal);
  color: var(--tomato-red);
  border: 1px solid var(--border-oatmeal);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.help-cat-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-blue);
  margin-bottom: 0.6rem;
}

.help-cat-card p {
  font-size: 0.88rem;
  color: var(--ink-blue-soft);
  line-height: 1.6;
}

/* 价格费率食谱明细表 */
.pricing-recipe-table-wrap {
  background: #FFFFFF;
  border: 2px solid var(--ink-blue);
  box-shadow: 6px 6px 0 var(--ink-blue);
  border-radius: 4px;
  padding: 2rem;
  margin-bottom: 4rem;
}

.pricing-recipe-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.25rem;
}

.pricing-recipe-table th,
.pricing-recipe-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-oatmeal);
  font-size: 0.92rem;
}

.pricing-recipe-table th {
  background: var(--bg-oatmeal);
  color: var(--ink-blue);
  font-family: var(--font-serif);
  font-weight: 800;
}

.pricing-recipe-table tr:hover td {
  background: var(--bg-oatmeal-light);
}

.price-tomato {
  color: var(--tomato-red);
  font-weight: 800;
  font-family: var(--font-mono);
}

/* 响应式适配微调 */
@media (max-width: 1024px) {
  .console-body-grid {
    grid-template-columns: 1fr;
  }
  .console-sidebar-recipes {
    border-right: none;
    border-bottom: 2px solid var(--border-oatmeal);
  }
  .nodes-speed-grid,
  .help-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nodes-speed-grid,
  .help-category-grid {
    grid-template-columns: 1fr;
  }
  .help-hero-banner {
    padding: 2rem 1.5rem;
  }
  .help-hero-banner h1 {
    font-size: 1.75rem;
  }
  .pricing-recipe-table-wrap {
    padding: 1.25rem 0.75rem;
    overflow-x: auto;
  }
}