/* ============================================================
   components.css — 按钮、卡片、轮播、表单、时间轴等通用组件
   ============================================================ */

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 30px;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              background var(--transition-base), color var(--transition-base),
              border-color var(--transition-base), filter var(--transition-base);
}

.btn svg { width: 17px; height: 17px; }

.btn--primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-brand), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -16px rgba(0, 134, 246, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  filter: brightness(1.04);
}

.btn--accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-accent), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -16px rgba(242, 106, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.28);
  filter: brightness(1.04);
}

.btn--outline {
  background: #fff;
  color: var(--color-primary-deep);
  border: 1.5px solid rgba(0, 134, 246, 0.28);
  box-shadow: var(--shadow-xs);
}

.btn--outline:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand);
}

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.45);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.btn--block { width: 100%; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.tag--primary { background: rgba(0, 134, 246, 0.09); color: var(--color-primary-deep); }
.tag--accent  { background: rgba(255, 122, 0, 0.1); color: var(--color-accent-dark); }
.tag--green   { background: rgba(16, 152, 92, 0.09); color: #0F8C55; }
.tag--purple  { background: rgba(108, 70, 214, 0.09); color: #6C46D6; }

/* ---------- 价格 ---------- */
.price {
  color: var(--color-accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.price__currency { font-size: 0.9em; margin-right: 1px; }
.price__num { font-size: 1.625rem; letter-spacing: -0.03em; }
.price__unit { font-size: 0.8125rem; color: var(--color-text-light); font-weight: 400; letter-spacing: 0; }

/* ---------- 线路卡片 ---------- */
.route-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(12, 27, 42, 0.055);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base),
              border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

/* 悬停时顶部透出品牌渐变细线 */
.route-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand-line);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 3;
}

.route-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 134, 246, 0.16);
}

.route-card:hover::before { opacity: 1; }

.route-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #E9EFF6;
  display: block;
}

.route-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out), filter var(--transition-base);
}

/* 图片压暗，保证角标可读 */
.route-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 18, 30, 0.28) 0%, rgba(8, 18, 30, 0) 38%, rgba(8, 18, 30, 0.1) 100%);
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.route-card:hover .route-card__media img {
  transform: scale(1.07);
}

.route-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary-deep);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px -4px rgba(8, 18, 30, 0.35);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.route-card__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.route-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--color-heading);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-base);
}

.route-card:hover .route-card__title { color: var(--color-primary-deep); }

.route-card__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.route-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.route-card__meta svg { width: 14px; height: 14px; opacity: 0.7; }

.route-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.route-card__footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.route-card__link {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.route-card__link svg { width: 14px; height: 14px; transition: transform var(--transition-base); }
.route-card:hover .route-card__link svg { transform: translateX(3px); }

.grid--routes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 900px) {
  .grid--routes { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 560px) {
  .grid--routes { grid-template-columns: 1fr; }
  .route-card__body { padding: 18px; }
  .price__num { font-size: 1.5rem; }
}

/* ---------- 轮播 ---------- */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.7s var(--ease-out);
  will-change: transform;
}

.carousel__slide {
  min-width: 100%;
  position: relative;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background var(--transition-base), transform var(--transition-base),
              border-color var(--transition-base);
}

.carousel__btn:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: transparent;
  transform: translateY(-50%) scale(1.08);
}

.carousel__btn svg { width: 20px; height: 20px; color: #fff; transition: color var(--transition-base); }
.carousel__btn:hover svg { color: var(--color-heading); }
.carousel__btn--prev { left: 28px; }
.carousel__btn--next { right: 28px; }

.carousel__dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 9px;
  z-index: 5;
}

.carousel__dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
  transition: background var(--transition-base), width var(--transition-base);
}

.carousel__dot:hover { background: rgba(255, 255, 255, 0.75); }

.carousel__dot.is-active {
  background: #fff;
  width: 30px;
}

@media (max-width: 640px) {
  .carousel__btn { width: 38px; height: 38px; }
  .carousel__btn--prev { left: 12px; }
  .carousel__btn--next { right: 12px; }
  .carousel__dots { bottom: 20px; }
}

/* 评价轮播（内容型，无按钮占满宽） */
.review-carousel .carousel__dots {
  position: static;
  transform: none;
  justify-content: center;
  margin-top: 30px;
}
.review-carousel .carousel__dot { background: rgba(12, 27, 42, 0.14); box-shadow: none; }
.review-carousel .carousel__dot:hover { background: rgba(12, 27, 42, 0.3); }
.review-carousel .carousel__dot.is-active { background: var(--color-primary); }

/* ---------- 评价卡片 ---------- */
.review-card {
  position: relative;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(12, 27, 42, 0.055);
  box-shadow: var(--shadow-card);
  padding: 44px 44px 36px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.review-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--gradient-brand-line);
}

.review-card__stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 18px;
  color: #FFB020;
}

.review-card__stars svg { width: 17px; height: 17px; }

.review-card__text {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--color-heading);
  margin-bottom: 24px;
}

.review-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.review-card__avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  box-shadow: 0 6px 16px -6px rgba(0, 134, 246, 0.7);
}

.review-card__name { font-weight: 600; color: var(--color-heading); font-size: 0.9375rem; }
.review-card__trip { font-size: 0.8125rem; color: var(--color-text-light); }

@media (max-width: 640px) {
  .review-card { padding: 36px 22px 28px; border-radius: 16px; }
  .review-card__text { font-size: 1rem; }
}

/* ---------- 表单 ---------- */
.form__group { margin-bottom: 20px; }

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
  color: var(--color-heading);
}

.form__label .req { color: #E5484D; margin-left: 2px; }

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  color: var(--color-heading);
  background: #FCFDFF;
  transition: border-color var(--transition-base), box-shadow var(--transition-base),
              background var(--transition-base);
}

.form__input::placeholder,
.form__textarea::placeholder { color: #A9B6C4; }

.form__input:hover,
.form__select:hover,
.form__textarea:hover { border-color: #D3E0EC; }

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(0, 134, 246, 0.12);
}

.form__select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238A99A8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form__input.is-error,
.form__textarea.is-error,
.form__select.is-error {
  border-color: #E5484D;
  background: #FFF8F8;
}

.form__error {
  display: none;
  font-size: 0.8125rem;
  color: #E5484D;
  margin-top: 6px;
}

.form__error.is-visible { display: block; }

.form__textarea { resize: vertical; min-height: 124px; line-height: 1.7; }

.form__success {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-btn);
  background: rgba(16, 152, 92, 0.09);
  border: 1px solid rgba(16, 152, 92, 0.18);
  color: #0F8C55;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.form__success.is-visible { display: block; }

/* ---------- 筛选栏 ---------- */
.filter-bar {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(12, 27, 42, 0.055);
  box-shadow: var(--shadow-card);
  padding: 10px 28px;
  margin-bottom: 36px;
}

.filter-bar__row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
}

.filter-bar__row + .filter-bar__row { border-top: 1px solid var(--color-line); }

.filter-bar__label {
  flex-shrink: 0;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-light);
  padding-top: 7px;
  width: 58px;
  letter-spacing: 0.02em;
}

.filter-bar__options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  background: #F6F9FD;
  border: 1px solid transparent;
  transition: all var(--transition-base);
}

.filter-chip:hover {
  color: var(--color-primary-deep);
  background: var(--color-primary-tint);
}

.filter-chip.is-active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  font-weight: 600;
  box-shadow: 0 8px 18px -8px rgba(0, 134, 246, 0.75);
}

@media (max-width: 640px) {
  .filter-bar { padding: 6px 18px; }
  .filter-bar__row { flex-direction: column; gap: 10px; padding: 12px 0; }
  .filter-bar__label { width: auto; padding-top: 0; }
  .filter-chip { padding: 6px 13px; font-size: 0.8125rem; }
}

/* ---------- 时间轴（每日行程） ---------- */
.timeline {
  position: relative;
  padding-left: 34px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), rgba(0, 134, 246, 0.12));
  border-radius: 2px;
}

.timeline__item {
  position: relative;
  padding-bottom: 34px;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--color-primary);
  box-sizing: border-box;
  box-shadow: 0 0 0 4px rgba(0, 134, 246, 0.1);
}

.timeline__day {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-primary-tint);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-deep);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.timeline__title {
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
  font-size: 1rem;
}

.timeline__item p { font-size: 0.9375rem; line-height: 1.8; }

/* ---------- 咨询卡片（详情页右侧） ---------- */
.consult-card {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid rgba(12, 27, 42, 0.06);
  box-shadow: var(--shadow-card);
  padding: 30px 26px;
  text-align: center;
  overflow: hidden;
}

.consult-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand-line);
}

.consult-card__advisor {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  margin-bottom: 22px;
}

.consult-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 8px 20px -8px rgba(0, 134, 246, 0.8);
}

.consult-card__name { font-weight: 700; color: var(--color-heading); font-size: 1rem; }
.consult-card__role { font-size: 0.8125rem; color: var(--color-text-light); }

.consult-card__phone {
  display: block;
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary-deep);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
  transition: color var(--transition-base);
}

.consult-card__phone:hover { color: var(--color-primary); }

.consult-card__hours { font-size: 0.8125rem; color: var(--color-text-light); margin-bottom: 24px; }

.consult-card__qr {
  width: 128px;
  height: 128px;
  margin: 0 auto 8px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-conic-gradient(#1A1A1A 0% 25%, #fff 0% 50%) 50% / 16px 16px;
  opacity: 0.82;
  box-shadow: var(--shadow-xs);
}

.consult-card__qr-note { font-size: 0.75rem; color: var(--color-text-light); margin-bottom: 22px; }

/* ---------- 分页 / 加载更多 ---------- */
.load-more-wrap { text-align: center; margin-top: 52px; }

.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-light);
}

.empty-state svg {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  color: #CBD6E2;
  padding: 14px;
  border-radius: 50%;
  background: #F4F8FC;
}

/* ---------- 图片画廊（详情页） ---------- */
.gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: repeat(2, 240px);
  gap: 10px;
  border-radius: var(--radius-card);
  overflow: hidden;
}

.gallery__item {
  overflow: hidden;
  background: #E9EFF6;
  position: relative;
}

.gallery__item:first-child { grid-row: span 2; }

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(8, 18, 30, 0.12);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery__item:hover img { transform: scale(1.05); }
.gallery__item:hover::after { opacity: 1; }

@media (max-width: 768px) {
  .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: repeat(2, 170px); gap: 8px; }
  .gallery__item:first-child { grid-column: span 2; grid-row: span 1; }
}