/**
 * 单座驾驶模拟 — 第一屏（左图库 + 右信息）
 * 配图目录：products/images/01/
 */
:root {
  --ss-brand: #c82a2b;
  --ss-cyan: #00acc1;
  --ss-bg: #f5f6f8;
  --ss-desc-bg: #eceff1;
  --ss-text: #333;
  --ss-muted: #666;
}

body.mil-ss-page {
  margin: 0;
  background: var(--ss-bg);
  color: var(--ss-text);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* 左侧悬浮产品导航 */
.ss-side-nav {
  position: fixed;
  left: 0.12rem;
  top: 1.2rem;
  z-index: 60;
  width: 2.3rem;
  max-height: calc(100vh - 1.5rem);
  overflow: auto;
  scrollbar-width: none; /* Firefox: 隐藏滚动条 */
  background: rgba(255, 255, 255, 0.97);
  color: #2a2f36;
  border: 1px solid #e4e8ed;
  border-radius: 0.08rem;
  box-shadow: 0 0.06rem 0.2rem rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(3px);
}

.ss-side-nav::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.ss-side-nav__hd {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 0.12rem 0.14rem;
  font-size: 0.16rem;
  font-weight: 700;
  color: #fff;
  background: rgba(200, 42, 43, 0.92);
}

.ss-side-nav__list {
  margin: 0;
  padding: 0.1rem 0.1rem 0.12rem;
  list-style: none;
}

.ss-side-nav__list li {
  margin: 0 0 0.06rem;
}

.ss-side-nav__list a {
  display: block;
  padding: 0.08rem 0.09rem;
  border-radius: 0.05rem;
  text-decoration: none;
  color: #2f3742;
  font-size: 0.13rem;
  line-height: 1.45;
  transition: background-color 0.2s, color 0.2s;
}

.ss-side-nav__list .is-disabled {
  display: block;
  padding: 0.08rem 0.09rem;
  border-radius: 0.05rem;
  color: #b0b6be;
  font-size: 0.13rem;
  line-height: 1.45;
  cursor: not-allowed;
  user-select: none;
}

.ss-side-nav__list a:hover,
.ss-side-nav__list a.is-active {
  background: rgba(200, 42, 43, 0.22);
  color: #fff;
}

.ss-side-nav__down-btn {
  position: sticky;
  bottom: 0;
  width: 100%;
  height: 0.4rem;
  border: 0;
  border-top: 1px solid #e4e8ed;
  background: #fff;
  color: #c82a2b;
  font-size: 0.22rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  cursor: pointer;
}

.ss-side-nav__down-btn:hover {
  background: #fff5f5;
}

.ss-side-nav__down-btn img {
  width: 0.22rem;
  height: 0.22rem;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

.ss-side-nav__mobile-toggle,
.ss-side-nav__mobile-close,
.ss-side-nav__mask {
  display: none;
}

/*
 * 移动端：使用 rem 的文字整体放大 25%
 * rem.js 在宽度 ≤767 时：html.fontSize = clientWidth/750*100(px)
 * 等价于：clientWidth/750*125(px)，用 !important 覆盖内联字号
 */
@media (max-width: 767px) {
  html.mil-ss-page {
    font-size: calc(100vw / 750 * 125) !important;
  }

  .ss-side-nav {
    left: 0;
    top: 0;
    bottom: 0;
    width: 82vw;
    max-width: 3.2rem;
    max-height: none;
    border-radius: 0;
    border: 0;
    transform: translateX(-100%);
    transition: transform 0.24s ease;
  }

  .ss-side-nav.is-open {
    transform: translateX(0);
  }

  .ss-side-nav__mobile-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0.1rem;
    padding: 0.06rem 0.12rem;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 0.13rem;
  }

  .ss-side-nav__mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    left: 0.16rem;
    bottom: 0.2rem;
    z-index: 65;
    height: 0.4rem;
    padding: 0 0.16rem;
    border: 0;
    border-radius: 999px;
    background: #c82a2b;
    color: #fff;
    font-size: 0.14rem;
    box-shadow: 0 0.05rem 0.16rem rgba(0, 0, 0, 0.35);
  }

  .ss-side-nav__mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.42);
    z-index: 59;
  }

  .ss-side-nav__mask.is-open {
    display: block;
  }
}

@media (min-width: 768px) {
  .ss-side-nav__mobile-toggle,
  .ss-side-nav__mobile-close,
  .ss-side-nav__mask {
    display: none !important;
  }
}

.ss-hero-wrap {
  width: 100%;
  max-width: 12rem;
  margin: 0 auto;
  padding: 0 0.3rem 0.5rem;
  box-sizing: border-box;
}

.ss-breadcrumb {
  max-width: 12rem;
  margin: 0 auto;
  padding: 0.2rem 0.3rem 0.1rem;
  font-size: 0.14rem;
  color: #666;
}
.ss-breadcrumb a {
  color: #666;
  text-decoration: none;
}
.ss-breadcrumb a:hover {
  color: var(--ss-brand);
}
.ss-breadcrumb .sep {
  margin: 0 0.08rem;
  color: #bbb;
}

/* 左:右 = 6:4，两栏等高对齐 */
.ss-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
  gap: 0.45rem;
  align-items: stretch;
}

.ss-hero-grid > * {
  min-width: 0;
  min-height: 0;
}

@media (max-width: 992px) {
  .ss-hero-grid {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  /* 移动端恢复自然高度，主图仍为正方形 */
  .ss-gallery {
    height: auto;
  }

  .ss-gallery__main {
    flex: none;
    min-height: 0;
  }

  .ss-info {
    height: auto;
    display: block;
  }

  .ss-info__desc {
    flex: none;
    overflow-y: visible;
    min-height: 1.6rem;
  }

  .ss-info__cta-row {
    margin-top: 0.32rem;
    padding-top: 0;
  }
}

/* 左侧图库（纵向铺满，与右侧同高） */
.ss-gallery {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: #fff;
  border-radius: 0.08rem;
  padding: 0.24rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}

.ss-gallery__main {
  position: relative;
  flex: none;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #e0e0e0;
  border-radius: 0.06rem;
  overflow: hidden;
}

.ss-gallery__main img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ss-gallery__thumbs {
  display: flex;
  flex-shrink: 0;
  gap: 0.14rem;
  margin-top: 0.2rem;
  justify-content: space-between;
}

.ss-gallery__thumb {
  flex: 1;
  min-width: 0;
  aspect-ratio: 1 / 1;
  position: relative;
  border-radius: 0.04rem;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  box-sizing: border-box;
  background: #ddd;
  transition: border-color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
}

.ss-gallery__thumb img {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ss-gallery__thumb.is-active {
  border-color: var(--ss-brand);
}

/* 右侧信息（与左侧同高，说明区自适应撑满） */
.ss-info {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: #fff;
  border-radius: 0.08rem;
  padding: 0.35rem 0.4rem 0.4rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  box-sizing: border-box;
}

.ss-info__title {
  margin: 0 0 0.2rem;
  font-size: 0.36rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.3;
  flex-shrink: 0;
}

.ss-info__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.12rem;
  margin-bottom: 0.22rem;
  flex-shrink: 0;
}

.ss-info__tag {
  display: inline-block;
  padding: 0.06rem 0.16rem;
  font-size: 0.14rem;
  color: var(--ss-muted);
  background: #f0f0f0;
  border-radius: 0.04rem;
  border: 1px solid #e0e0e0;
}

.ss-info__desc {
  flex: 1 1 auto;
  margin: 0;
  padding: 0.3rem 0.28rem;
  font-size: 0.16rem;
  line-height: 1.85;
  color: #444;
  background: var(--ss-desc-bg);
  border-radius: 0.06rem;
  min-height: 2.4rem;
  overflow-y: auto;
}

.ss-info__cta-row {
  display: flex;
  align-items: stretch;
  gap: 0.28rem;
  margin-top: auto;
  padding-top: 0.28rem;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.ss-info__qr {
  flex-shrink: 0;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid #ddd;
  border-radius: 0.06rem;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ss-info__qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ss-info__actions {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.16rem;
}

.ss-btn-consult {
  display: block;
  width: 100%;
  max-width: 3.2rem;
  padding: 0.14rem 0.2rem 0.12rem;
  text-align: center;
  text-decoration: none;
  color: #fff !important;
  background: var(--ss-brand);
  border: none;
  border-radius: 0.06rem;
  cursor: pointer;
  transition: background 0.2s;
  box-sizing: border-box;
}

.ss-btn-consult:hover {
  background: #a01f20;
}

.ss-btn-consult__main {
  display: block;
  font-size: 0.2rem;
  font-weight: 700;
  letter-spacing: 0.02rem;
}

.ss-btn-consult__sub {
  display: block;
  font-size: 0.13rem;
  font-weight: 400;
  opacity: 0.95;
  margin-top: 0.04rem;
}

.ss-info__tel {
  margin: 0;
  font-size: 0.15rem;
  color: var(--ss-muted);
  line-height: 1.6;
}

.ss-info__tel strong {
  color: var(--ss-text);
  font-weight: 600;
}

/* 主画面下方：基础信息表格 */
.ss-specs {
  margin-top: 0.9rem;
  background: #fff;
  border-radius: 0.08rem;
  padding: 0.32rem 0.34rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
}

.ss-specs__title {
  margin: 0 0 0.22rem;
  font-size: 0.28rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.35;
}

.ss-specs__table-wrap {
  width: 100%;
  overflow-x: auto;
}

.ss-specs__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.15rem;
  color: #333;
  background: #fff;
}

.ss-specs__table th,
.ss-specs__table td {
  border: 1px solid #e4e7ea;
  padding: 0.14rem 0.16rem;
  line-height: 1.7;
  vertical-align: top;
}

.ss-specs__table th {
  width: 2rem;
  min-width: 2rem;
  font-weight: 700;
  color: #222;
  background: #f7f9fb;
  text-align: left;
}

.ss-specs__table td {
  color: #4a4a4a;
}

/* 表格下方：上图下文能力卡片 */
.ss-feature-cards {
  margin-top: 0.9rem;
}

.ss-feature-cards__title {
  margin: 0 0 0.22rem;
  font-size: 0.5rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.35;
  text-align: center;
}

/* 教学配图：四张全屏大图上下罗列（单屏一张） */
.ss-jiashi {
  margin-top: 0.9rem;
}

.ss-jiashi__list {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}

.ss-jiashi-card {
  background: #fff;
  border-radius: 0.08rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  border: 1px solid #e8ecef;
  padding: 0.18rem;
  min-height: 0;
  display: block;
}

.ss-jiashi-card img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: initial;
  display: block;
}

.ss-feature-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.22rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.ss-feature-cards__grid--2x2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 768px) {
  .ss-feature-cards__grid--2x2 {
    grid-template-columns: 1fr;
  }
}

.ss-feature-cards__grid--single {
  grid-template-columns: 1fr;
}

/* 核心软件功能中：单卡与下方三卡拉开间距 */
.ss-feature-cards__grid--single + .ss-feature-cards__grid {
  margin-top: 0.22rem;
}

.ss-feature-card {
  background: #fff;
  border-radius: 0.08rem;
  overflow: hidden;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
}

.ss-feature-card__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e6e6e6;
  overflow: hidden;
}

.ss-feature-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* PC端大卡：首图按原始比例展示（不裁切） */
.ss-feature-card--pc .ss-feature-card__img {
  aspect-ratio: auto;
  height: auto;
}

.ss-feature-card--pc .ss-feature-card__img img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.ss-feature-card__body {
  padding: 0.22rem 0.24rem 0.26rem;
}

.ss-feature-card__body h3 {
  margin: 0 0 0.14rem;
  font-size: 0.2rem;
  font-weight: 700;
  color: #202020;
  line-height: 1.4;
  text-align: center;
}

.ss-feature-card__body p {
  margin: 0;
  font-size: 0.15rem;
  color: #4a4a4a;
  line-height: 1.8;
}

.ss-feature-card__body ul {
  margin: 0;
  padding-left: 0.2rem;
}

.ss-feature-card__body li {
  font-size: 0.145rem;
  color: #4a4a4a;
  line-height: 1.8;
  margin-bottom: 0.08rem;
}

.ss-feature-card__body li:last-child {
  margin-bottom: 0;
}

/* 元宇宙场景模拟驾驶软件（PC端）模块红色线框 3×2 */
.ss-um-redboxes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.14rem;
  margin-top: 0.12rem;
}

.ss-um-redbox {
  border: 1px solid #c82a2b;
  border-radius: 0.06rem;
  padding: 0.12rem 0.12rem;
  background: rgba(200, 42, 43, 0.04);
  min-width: 0;
  box-sizing: border-box;
}

.ss-um-redbox h4 {
  margin: 0 0 0.1rem;
  font-size: 0.16rem;
  font-weight: 700;
  color: #c82a2b;
  line-height: 1.3;
}

.ss-um-redbox ul {
  margin: 0;
  padding-left: 0.18rem;
}

.ss-um-redbox li {
  font-size: 0.14rem;
  color: #4a4a4a;
  line-height: 1.6;
  margin-bottom: 0.06rem;
  overflow-wrap: anywhere;
}

.ss-um-redbox li:last-child {
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .ss-um-redboxes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .ss-um-redboxes {
    grid-template-columns: 1fr;
  }
}

/* 核心优势 / 研发能力（复制自 newheivr 内容，版式与本页其它区块一致） */
.ss-core-adv,
.ss-rd {
  margin-top: 0.9rem;
}

.ss-section-lead {
  margin: 0 auto 0.22rem;
  max-width: 9.6rem;
  padding: 0 0.1rem;
  text-align: center;
  font-size: 0.145rem;
  color: var(--ss-muted);
  line-height: 1.75;
}

/* 核心软件功能下方：硬件配置图标卡片 */
.ss-hw-cards {
  margin-top: 0.9rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.ss-hw-cards__title {
  margin: 0 0 0.22rem;
  font-size: 0.5rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.35;
  text-align: center;
}

.ss-hw-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.22rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* 硬件配置 2 卡：同一行两列 */
.ss-hw-cards__grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* 硬件配置 5 卡：首行 2 张、次行 3 张 */
.ss-hw-cards__grid--2-3 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.ss-hw-cards__grid--2x4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* 硬件配置 4 卡：首行 1 张通栏、次行 3 张 */
.ss-hw-cards__grid--1-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ss-hw-cards__grid--1-3 .ss-hw-card:nth-child(1) {
  grid-column: 1 / -1;
}

.ss-hw-cards__grid--1-3 .ss-hw-card:nth-child(2),
.ss-hw-cards__grid--1-3 .ss-hw-card:nth-child(3),
.ss-hw-cards__grid--1-3 .ss-hw-card:nth-child(4) {
  grid-column: span 1;
}

.ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(1),
.ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(2) {
  grid-column: span 3;
}

.ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(3),
.ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(4),
.ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(5) {
  grid-column: span 2;
}

@media (max-width: 992px) {
  .ss-hw-cards__grid--2-3 {
    grid-template-columns: 1fr;
  }

  .ss-hw-cards__grid--2x4 {
    grid-template-columns: 1fr;
  }

  .ss-hw-cards__grid--1-3 {
    grid-template-columns: 1fr;
  }

  .ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(n) {
    grid-column: auto;
  }

  .ss-hw-cards__grid--1-3 .ss-hw-card:nth-child(n) {
    grid-column: auto;
  }
}

.ss-hw-card {
  background: #fff;
  border-radius: 0.08rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  border: 1px solid #e8ecef;
  padding: 0.24rem 0.24rem 0.26rem;
  min-width: 0;
  box-sizing: border-box;
}

.ss-hw-card__icon {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #c82a2b, #8f1819);
  color: #fff;
  font-size: 0.32rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.14rem;
  margin-left: auto;
  margin-right: auto;
}

.ss-hw-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.ss-hw-card__icon-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.ss-hw-card__body h3 {
  margin: 0 0 0.14rem;
  font-size: 0.22rem;
  font-weight: 700;
  color: #202020;
  line-height: 1.4;
  text-align: center;
}

.ss-hw-card__body ul {
  margin: 0;
  padding-left: 0.2rem;
}

.ss-hw-card__body li {
  font-size: 0.145rem;
  color: #4a4a4a;
  line-height: 1.8;
  margin-bottom: 0.08rem;
  overflow-wrap: anywhere;
}

.ss-hw-card__body li:last-child {
  margin-bottom: 0;
}

/* 硬件配置：第四张独立横板（无图标无配图） */
.ss-hw-banner-card {
  margin-top: 0.22rem;
  background: #fff;
  border-radius: 0.08rem;
  border: 1px solid #e8ecef;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  padding: 0.22rem 0.24rem 0.26rem;
}

.ss-hw-banner-card__body h3 {
  margin: 0 0 0.14rem;
  font-size: 0.22rem;
  font-weight: 700;
  color: #202020;
  line-height: 1.4;
  text-align: center;
}

.ss-hw-banner-card__body ul {
  margin: 0;
  padding-left: 0.2rem;
}

.ss-hw-banner-card__body li {
  font-size: 0.145rem;
  color: #4a4a4a;
  line-height: 1.8;
  margin-bottom: 0.08rem;
}

.ss-hw-banner-card__body li:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .ss-info__title {
    font-size: 0.32rem;
  }
  .ss-info__cta-row {
    flex-direction: column;
  }
  .ss-info__qr {
    width: 1.6rem;
    height: 1.6rem;
    margin: 0 auto;
  }
  .ss-info__actions {
    align-items: center;
    text-align: center;
  }
  .ss-btn-consult {
    max-width: 100%;
  }

  .ss-specs {
    margin-top: 0.64rem;
    padding: 0.24rem 0.2rem;
  }

  .ss-specs__title {
    font-size: 0.24rem;
    margin-bottom: 0.16rem;
  }

  .ss-specs__table {
    font-size: 0.14rem;
  }

  .ss-specs__table th,
  .ss-specs__table td {
    padding: 0.12rem 0.12rem;
  }

  .ss-feature-cards {
    margin-top: 0.64rem;
  }

  .ss-feature-cards__title {
    font-size: 0.24rem;
    margin-bottom: 0.16rem;
  }

  .ss-core-adv,
  .ss-rd {
    margin-top: 0.64rem;
  }

  .ss-section-lead {
    font-size: 0.13rem;
    margin-bottom: 0.16rem;
  }

  .ss-feature-cards__grid {
    grid-template-columns: 1fr;
    gap: 0.16rem;
  }

  .ss-feature-card__body {
    padding: 0.18rem 0.18rem 0.2rem;
  }

  .ss-feature-card__body h3 {
    font-size: 0.19rem;
  }

  .ss-feature-card__body p,
  .ss-feature-card__body li {
    font-size: 0.14rem;
  }

  .ss-hw-cards {
    margin-top: 0.64rem;
  }

  .ss-hw-cards__title {
    font-size: 0.24rem;
    margin-bottom: 0.16rem;
  }

  .ss-hw-cards__grid {
    grid-template-columns: 1fr;
    gap: 0.16rem;
  }

  .ss-hw-cards__grid--2-3 .ss-hw-card:nth-child(n) {
    grid-column: auto;
  }

  .ss-hw-card {
    padding: 0.18rem 0.18rem 0.2rem;
  }

  .ss-hw-card__icon {
    width: 0.64rem;
    height: 0.64rem;
    font-size: 0.24rem;
  }

  .ss-hw-card__body h3 {
    font-size: 0.19rem;
  }

  .ss-hw-card__body li {
    font-size: 0.14rem;
  }

  .ss-hw-banner-card {
    margin-top: 0.16rem;
    padding: 0.18rem 0.18rem 0.2rem;
  }

  .ss-hw-banner-card__body h3 {
    font-size: 0.19rem;
  }

  .ss-hw-banner-card__body li {
    font-size: 0.14rem;
  }
}

/* 产品优势：图标卡片（与主内容区等宽，随页面自适应） */
.ss-adv-cards {
  margin-top: 0.9rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.ss-adv-cards__title {
  margin: 0 0 0.22rem;
  font-size: 0.5rem;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.35;
  text-align: center;
}

.ss-adv-cards__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.22rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.ss-adv-cards__grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.12rem, 2vw, 0.26rem);
  align-items: stretch;
}

.ss-adv-card {
  background: #fff;
  border-radius: 0.08rem;
  box-shadow: 0 0.04rem 0.2rem rgba(0, 0, 0, 0.06);
  border: 1px solid #e8ecef;
  padding: 0.24rem 0.22rem 0.26rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
  box-sizing: border-box;
}

.ss-adv-card__icon {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #c82a2b, #8f1819);
  color: #fff;
  font-size: 0.28rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.14rem;
}

.ss-adv-card__body h3 {
  margin: 0 0 0.14rem;
  font-size: 0.22rem;
  font-weight: 700;
  color: #202020;
  line-height: 1.4;
  text-align: center;
}

.ss-adv-card__body ul {
  margin: 0;
  padding-left: 0.2rem;
}

.ss-adv-card__body li {
  font-size: 0.145rem;
  color: #4a4a4a;
  line-height: 1.8;
  margin-bottom: 0.08rem;
  overflow-wrap: anywhere;
}

.ss-adv-card__body li:last-child {
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .ss-adv-cards__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.16rem;
  }

  .ss-adv-cards__grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.16rem;
  }

  /* 三卡布局：平板宽度下第三张单独一行并居中，避免窄列挤压长文案 */
  .ss-adv-cards__grid--3 > .ss-adv-card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: min(100%, 7.6rem);
    justify-self: center;
    width: 100%;
    box-sizing: border-box;
  }
}

@media (max-width: 640px) {
  .ss-adv-cards {
    margin-top: 0.64rem;
  }

  .ss-adv-cards__title {
    font-size: 0.24rem;
    margin-bottom: 0.16rem;
  }

  .ss-adv-cards__grid {
    grid-template-columns: 1fr;
    gap: 0.16rem;
  }

  .ss-adv-cards__grid--3 > .ss-adv-card:nth-child(3) {
    grid-column: auto;
    max-width: none;
    justify-self: stretch;
  }

  .ss-adv-card {
    padding: 0.18rem 0.18rem 0.2rem;
  }

  .ss-adv-card__icon {
    width: 0.52rem;
    height: 0.52rem;
    font-size: 0.24rem;
  }

  .ss-adv-card__body h3 {
    font-size: 0.19rem;
  }

  .ss-adv-card__body li {
    font-size: 0.14rem;
  }

  .ss-jiashi {
    margin-top: 0.64rem;
  }

  .ss-jiashi-card {
    min-height: 0;
    padding: 0.14rem;
  }

  .ss-jiashi-card img {
    max-height: none;
  }
}

/* —— 全站页尾（页尾.php）黑底三栏 —— */
.mil-site-footer {
  background: #000;
  color: #e8e8e8;
  border-top: 1px solid #333;
  padding: 0.5rem 0 0.55rem;
  font-size: 0.14rem;
  line-height: 1.65;
}

.mil-site-footer__inner {
  max-width: 12rem;
  margin: 0 auto;
  padding: 0 0.3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 0.5rem;
}

.mil-site-footer__col {
  flex: 1 1 2.4rem;
  min-width: 0;
}

.mil-site-footer__col--qr {
  flex: 0 1 2rem;
  text-align: left;
}

.mil-site-footer__title {
  margin: 0 0 0.18rem;
  font-size: 0.18rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

/* 页尾三栏小标题下统一红色装饰线（约 3 个汉字宽） */
.mil-site-footer__title::after {
  content: "";
  display: block;
  width: 3em;
  height: 3px;
  background: #c82a2b;
  margin-top: 0.1rem;
}

.mil-site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mil-site-footer__list li {
  margin-bottom: 0.1rem;
}

.mil-site-footer__list li:last-child {
  margin-bottom: 0;
}

.mil-site-footer__link {
  color: #ccc;
  text-decoration: none;
  transition: color 0.2s;
  display: inline-flex;
  align-items: flex-start;
  gap: 0.06rem;
}

.mil-site-footer__link:hover {
  color: #fff;
}

.mil-site-footer__chev {
  color: #888;
  flex-shrink: 0;
}

.mil-site-footer__text p {
  margin: 0 0 0.1rem;
  color: #bbb;
}

.mil-site-footer__text p:last-child {
  margin-bottom: 0;
}

.mil-site-footer__qr-wrap {
  display: inline-block;
  padding: 0.08rem;
  background: #fff;
  border-radius: 2px;
}

.mil-site-footer__qr {
  display: block;
  width: 1.6rem;
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

.mil-site-footer__qr-placeholder {
  margin: 0;
  color: #666;
  font-size: 0.13rem;
}

@media (max-width: 767px) {
  .mil-site-footer__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0.36rem;
  }
}