/* ========== 全局品牌变量统一管理 ========== */
:root {
  --xeron-line: rgba(255, 255, 255, 0.12);
  --xeron-shadow: 0 24px 70px rgba(0, 0, 0, 0.4);
  --bg-primary: #070810;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-input: rgba(255, 255, 255, 0.05);
  --bg-input-hover: rgba(255, 255, 255, 0.08);
  --bg-secondary-block: rgba(255, 255, 255, 0.06);
  --color-blue: #28d9ff;
  --color-pink: #ff3ed1;
  --color-danger: #ff5858;
  --text-white: #ffffff;
  --text-gray: rgba(220, 228, 255, 0.75);
  --text-light: rgba(220, 228, 255, 0.48);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 32px;
  --transition: all 0.26s ease;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background-color: var(--bg-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-white);
}

/* 你固定要求的页面主体容器 */
.xeron-container {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
  padding-bottom: 80px;
}

/* ========== 顶部Hero横幅区域（沿用原有高端质感） ========== */
.xeron-about-hero {
  padding: 88px 0 68px;
}
.xeron-about-hero__inner {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--xeron-line);
  background: 
    radial-gradient(circle at 0% 0%, rgba(40, 217, 255, .13), transparent 34%), 
    radial-gradient(circle at 100% 100%, rgba(255, 62, 209, .14), transparent 40%), 
    rgba(255, 255, 255, .036);
  box-shadow: var(--xeron-shadow);
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(36px,6vw,64px);
}
.xeron-about-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: .07;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 74%);
}
.xeron-about-hero__watermark {
  position: absolute;
  right: 28px;
  bottom: 18px;
  z-index: 0;
  color: rgba(255,255,255,.04);
  font-size: clamp(90px, 13vw, 190px);
  line-height: .7;
  letter-spacing: -.08em;
  font-weight: 950;
  pointer-events: none;
}
.xeron-about-hero__content {
  position: relative;
  z-index: 4;
  max-width: 880px;
}
.xeron-about-hero__title {
  font-size: clamp(50px, 7.5vw, 104px);
  line-height: .82;
  letter-spacing: -.07em;
  font-weight: 900;
  margin: 0 0 32px;
}
.xeron-about-hero__desc {
  font-size: clamp(15px,1.1vw,17px);
  color: var(--text-gray);
  line-height: 1.8;
  max-width: 740px;
  margin: 0 auto;
}

/* ========== 计算器卡片外层容器 ========== */
.wrap-container {
  margin-top: 42px;
}
.power-calc-card {
  background: var(--bg-card);
  border: 1px solid var(--xeron-line);
  border-radius: var(--radius-lg);
  padding: 46px 52px;
  box-shadow: var(--xeron-shadow);
}
.calc-main-title {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 42px;
  padding-left: 16px;
  position: relative;
}
.calc-main-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-blue), var(--color-pink));
}

/* ========== 表单基础排版规则：左右固定两栏对齐布局（核心优化排版） ========== */
.form-block {
  margin-bottom: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  align-items: flex-start;
}
.form-label-col {
  padding-top: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.category-icon {
  font-size: 20px;
  color: var(--color-blue);
}
.category-name {
  font-size: 16px;
  font-weight: 600;
}
.form-input-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 第二块GPU深色内嵌区块区分层级 */
.secondary-gpu-block {
  background: var(--bg-secondary-block);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 16px;
}

/* ========== 下拉选择+搜索组件通用样式 ========== */
.select-search-wrap {
  position: relative;
  width: 100%;
}
.main-select {
  width: 100%;
  height: 50px;
  background: var(--bg-input);
  border: 1px solid var(--xeron-line);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  padding: 0 18px;
  padding-right: 46px;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
}
.main-select:hover {
  background: var(--bg-input-hover);
}
.main-select:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(40, 217, 255, 0.14);
}
.short-select {
  height: 50px;
  width: 160px;
}
.select-dropdown-panel {
  margin-top: 8px;
  background: #12141c;
  border: 1px solid var(--xeron-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.select-dropdown-panel input {
  width: 100%;
  height: 44px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--xeron-line);
  color: #fff;
  padding: 0 16px;
  font-size: 14px;
}
.list-select {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-gray);
  padding: 8px 0;
}
.list-select option {
  padding: 9px 16px;
  cursor: pointer;
}
.list-select option:hover {
  background: rgba(40, 217, 255, 0.12);
  color: #fff;
}

/* ========== 数字输入框全局统一样式 ========== */
.num-input {
  width: 110px;
  height: 48px;
  background: var(--bg-input);
  border: 1px solid var(--xeron-line);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 0 14px;
  font-size: 15px;
  transition: var(--transition);
}
.num-input.full-width {
  width: 100%;
}
.num-input:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(40, 217, 255, 0.14);
}
/* 去除数字框默认加减箭头 */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

/* RAM区域横向并排布局 */
.dual-input-row {
  flex-direction: row;
  align-items: center;
  gap: 20px;
}
.input-number-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.num-tip {
  font-size: 14px;
  color: var(--text-light);
}

/* ========== PCIe / 存储设备 四宫格规整网格布局 ========== */
.block-title {
  font-size: 15px;
  color: var(--text-gray);
  margin-bottom: 20px;
  font-weight: 500;
}
.pci-grid-layout, .storage-grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 22px 26px;
}
.num-input-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.num-input-item label {
  font-size: 14px;
  color: var(--text-light);
}

/* ========== 底部光驱+风扇 双栏平分布局 ========== */
.bottom-dual-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.col-label {
  display: block;
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 12px;
}

/* ========== 添加/删除GPU按钮样式 ========== */
.btn-add-gpu {
  margin-top: 18px;
  padding: 12px 24px;
  background: transparent;
  border: 1px dashed var(--xeron-line);
  border-radius: 999px;
  color: var(--text-gray);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-add-gpu:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background: rgba(40, 217, 255, 0.06);
}
.btn-del-gpu {
  margin-top: 12px;
  width: fit-content;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--xeron-line);
  border-radius: 999px;
  color: var(--text-light);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-del-gpu:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: rgba(255, 88, 88, 0.06);
}

/* ========== 分割线 ========== */
.divider-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--xeron-line), transparent);
  margin: 42px 0;
}

/* ========== 功率结果高亮面板（视觉重心） ========== */
.result-panel {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(40, 217, 255, 0.07), rgba(255, 62, 209, 0.07));
  border: 1px solid var(--xeron-line);
  text-align: center;
  margin-bottom: 28px;
}
.result-text {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--text-gray);
}
.watt-value {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-blue);
}

/* 重置按钮 */
.btn-wrap {
  text-align: center;
  margin-bottom: 32px;
}
.btn-reset {
  padding: 14px 38px;
  background: var(--bg-input);
  border: 1px solid var(--xeron-line);
  border-radius: 999px;
  color: var(--text-white);
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-reset:hover {
  background: var(--bg-input-hover);
  border-color: rgba(255,255,255,0.2);
}

/* 底部备注小字 */
.note-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-light);
}

/* ========== 移动端响应式适配 ========== */
@media screen and (max-width: 1024px) {
  .power-calc-card {
    padding: 36px 30px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .form-label-col {
    padding-top: 0;
  }
  .bottom-dual-row {
    grid-template-columns: 1fr;
  }
}
@media screen and (max-width: 640px) {
  .xeron-container {
    width: min(1440px, calc(100% - 32px));
  }
  .power-calc-card {
    padding: 26px 20px;
  }
  .pci-grid-layout, .storage-grid-layout {
    grid-template-columns: 1fr 1fr;
  }
  .watt-value {
    font-size: 34px;
  }
}