/* ===============================
   FAQ 页面基础结构
================================= */
.faq-page {
  padding: 40px 0 0;
  background: #edf2f7;
}

/* 头部标题 */
.faq-page .hw-faq-header {
  margin-bottom: 32px;
}

.faq-page .hw-faq-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  color: #222;
  margin: 20px 0 16px;
}

.faq-page .hw-faq-intro {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(15px, 2.6vw, 16px);
  color: #555;
}

/* FAQ 列表容器 */
.faq-page .hw-faq-accordion {
  max-width: 820px;
  margin: 0 auto;
}

/* ===============================
   超级 3D · 玻璃物理光 FAQ 卡片
================================= */
.faq-page .hw-faq-item {
  position: relative;
  border-radius: 24px;

  /* 半透明玻璃材质 */
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px) saturate(180%);

  /* 物理高光 + 阴影（Neumorphism 强化版） */
  box-shadow:
    /* 下右重阴影：环境光 */
    12px 14px 28px rgba(15, 23, 42, 0.20),
    /* 上左亮高光：材料厚度 */
    -10px -10px 22px rgba(255, 255, 255, 0.9),
    /* 玻璃边缘内阴影加强轮廓 */
    inset 0 1px 3px rgba(255, 255, 255, 0.55),
    inset 0 -2px 6px rgba(0, 0, 0, 0.06);

  padding: 0;
  margin-bottom: 28px;

  transition:
    transform 0.25s cubic-bezier(.25,.46,.45,.94),
    box-shadow 0.25s cubic-bezier(.25,.46,.45,.94),
    background 0.25s ease;
}

/* Hover 时浮起来 + 光影增强 */
.faq-page .hw-faq-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.78);
  box-shadow:
    16px 18px 32px rgba(15, 23, 42, 0.22),
    -10px -10px 24px rgba(255, 255, 255, 1),
    inset 0 1px 3px rgba(255, 255, 255, 0.6),
    inset 0 -2px 6px rgba(0, 0, 0, 0.05);
}

/* ===============================
   静态前两条（一直展开）
================================= */
.faq-page .hw-faq-item--static {
  padding: 26px 30px;
}

.faq-page .hw-faq-question h2 {
  font-size: clamp(18px, 3vw, 20px);
  font-weight: 600;
  color: #111827;
  margin-bottom: 6px;
}

.faq-page .hw-faq-answer,
.faq-page .hw-faq-text {
  font-size: 15px;
  color: #4b5563;
}

.faq-page strong {
  font-weight: 600;
  color: #333;
}

/* ===============================
   折叠区域（Q3 开始）
================================= */
.faq-page .hw-faq-item .accordion-header {
  background: transparent;
}

.faq-page .hw-faq-item .accordion-button {
  font-size: 16px;
  font-weight: 600;
  padding: 20px 26px;
  background: transparent;
  border-radius: 24px;
  color: #111827;
  box-shadow: none;
  text-align: left;
}

/* 展开状态 – 玻璃按钮 + 橙色线条 */
.faq-page .hw-faq-item .accordion-button:not(.collapsed) {
  background: rgba(255, 255, 255, 0.8);
  border-top: 1px solid #FF4F00;
  box-shadow:
    inset 0 1px 4px rgba(0, 0, 0, 0.10),
    inset 0 -2px 4px rgba(255, 255, 255, 0.65);
}

.faq-page .hw-faq-item .accordion-button:focus {
  box-shadow: none;
}

/* 折叠内容 */
.faq-page .hw-faq-item .accordion-body {
  padding: 12px 30px 26px;
}

.faq-page .hw-faq-item .accordion-body .hw-faq-text {
  margin: 0;
}

/* ===============================
   底部品牌说明
================================= */
.faq-page .faq-brand-note {
  max-width: 720px;
  margin: 20px auto 0;
  padding-top: 24px;
  text-align: center;
}

.faq-page .faq-brand-note p {
  margin: 20px 0 15px;
  font-size: clamp(14px, 2.4vw, 15px);
  line-height: 1.7;
  color: #666;
  padding: 4px 6px 0;
}

/* ===============================
   橙色箭头 + Hover 亮橙效果（玻璃版）
================================= */

/* 默认箭头（橙色向下） */
.faq-page .hw-faq-item .accordion-button::after {
  filter: none !important;
  transform: rotate(0deg);
  transition: 0.18s ease;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%23FF4F00' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

/* 展开箭头（橙色向上） */
.faq-page .hw-faq-item .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

/* Hover – 亮橙 (#FF6A2E) */
.faq-page .hw-faq-item .accordion-button:hover::after {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%23FF6A2E' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
}

/* Hover（展开）= 亮橙 + 保持向上 */
.faq-page .hw-faq-item .accordion-button:not(.collapsed):hover::after {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='%23FF6A2E' viewBox='0 0 16 16'%3e%3cpath fill-rule='evenodd' d='M1.646 11.354a.5.5 0 0 0 .708 0L8 5.707l5.646 5.647a.5.5 0 0 0 .708-.708l-6-6a.5.5 0 0 0-.708 0l-6 6a.5.5 0 0 0 0 .708z'/%3e%3c/svg%3e") !important;
}