/* ============================================================
   宁波滕达智能 · 全屋智能定制信息发布平台 — 首页样式 v1.0
   科技蓝 + 科技青 + 冷白
   依赖 layouts/app.blade.php 的全局变量与通用类（前缀 td_）
   ============================================================ */

/* ===== 1 · Hero — banner 做背景图 · 左侧文案 ===== */
.td_hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: clamp(480px, 52vw, 640px);
    background-color: var(--td-bg);
    background-image:
        linear-gradient(100deg,
            rgba(245, 249, 255, 1) 0%,
            rgba(245, 249, 255, .96) 26%,
            rgba(245, 249, 255, .62) 46%,
            rgba(245, 249, 255, .14) 64%,
            rgba(245, 249, 255, 0) 80%),
        var(--td-hero-img);
    background-size: cover, cover;
    background-position: center, center right;
    background-repeat: no-repeat;
    overflow: hidden;
    isolation: isolate;
}
.td_hero::before {
    /* 极淡左下蓝色光晕，与 banner 右侧融合 */
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    width: 60%; height: 60%;
    background: radial-gradient(50% 60% at 20% 80%, rgba(30,111,217,.10) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}
.td_hero_inner {
    width: 100%;
    padding-top: 110px;   /* 让出顶部 72px 透明 header 的空间 */
    padding-bottom: 80px;
    position: relative;
    z-index: 2;
}

/* 左侧文案 */
.td_hero_text { max-width: 620px; }
.td_hero_badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--td-primary);
    background: var(--td-white);
    border: 1px solid var(--td-primary-soft);
    padding: 7px 16px;
    border-radius: var(--td-radius-pill);
    margin-bottom: 22px;
    letter-spacing: 1.5px;
    box-shadow: var(--td-shadow-sm);
}
.td_hero_badge i {
    color: var(--td-cyan);
    font-size: 11px;
}
.td_hero_title {
    font-size: clamp(32px, 4.2vw, 52px);
    font-weight: 800;
    color: var(--td-text);
    line-height: 1.18;
    margin: 0 0 22px;
    letter-spacing: .5px;
}
.td_hero_title em {
    font-style: normal;
    display: block;
    background: var(--td-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    margin-top: 4px;
}
.td_hero_desc {
    font-size: 16px;
    color: var(--td-text-body);
    line-height: 1.85;
    margin: 0 0 28px;
    max-width: 560px;
}

.td_hero_chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}
.td_hero_chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--td-primary-deep);
    background: var(--td-white);
    border: 1px solid var(--td-border);
    border-radius: var(--td-radius-pill);
    box-shadow: var(--td-shadow-sm);
}
.td_hero_chip i {
    color: var(--td-cyan);
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--td-cyan-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.td_hero_cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
}

.td_hero_mini {
    display: flex;
    gap: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--td-border);
}
.td_hero_mini_item strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--td-primary);
    line-height: 1.1;
    font-family: var(--td-font-num);
    margin-bottom: 4px;
}
.td_hero_mini_item strong em {
    font-size: 14px;
    margin-left: 2px;
    color: var(--td-cyan);
    font-style: normal;
}
.td_hero_mini_item span {
    font-size: 13px;
    color: var(--td-text-muted);
}

/* ===== 2 · 关于平台 — 右图左文 ===== */
.td_about_inner {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 64px;
    align-items: center;
}
.td_about_text { order: 1; }
.td_about_media { order: 2; position: relative; }

.td_about_title {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    color: var(--td-text);
    line-height: 1.3;
    margin: 0 0 18px;
}
.td_about_title em {
    font-style: normal;
    background: var(--td-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.td_about_desc {
    font-size: 14.5px;
    color: var(--td-text-body);
    line-height: 1.9;
    margin: 0 0 24px;
}
.td_about_list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.td_about_list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
    color: var(--td-text);
    line-height: 1.7;
}
.td_about_list li i {
    color: #fff;
    background: var(--td-gradient-hot);
    width: 22px; height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}
.td_about_actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* 右侧媒体框 — 显示器风格 */
.td_about_media_frame {
    position: relative;
    background: var(--td-white);
    padding: 14px 14px 24px;
    border-radius: var(--td-radius-lg);
    box-shadow: var(--td-shadow-lg);
    border: 1px solid var(--td-border);
}
.td_about_media_frame::before {
    /* 顶栏小圆点 */
    content: "";
    position: absolute;
    top: 14px; left: 22px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--td-text-light);
    box-shadow:
        14px 0 0 var(--td-text-light),
        28px 0 0 var(--td-text-light);
}
.td_about_media_frame_inner {
    margin-top: 18px;
    border-radius: var(--td-radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--td-bg-soft);
}
.td_about_media_frame_inner img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}

/* 浮动小卡 — 三角形位置 */
.td_about_floats {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.td_about_float {
    position: absolute;
    background: var(--td-white);
    border-radius: 14px;
    padding: 12px 16px 12px 12px;
    box-shadow: var(--td-shadow-md);
    border: 1px solid var(--td-border);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: td_float 4s ease-in-out infinite;
}
.td_about_float_icon {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: var(--td-gradient-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}
.td_about_float:nth-child(2) .td_about_float_icon { background: var(--td-gradient-hot); }
.td_about_float:nth-child(3) .td_about_float_icon { background: linear-gradient(135deg, #10B981 0%, #14B8C4 100%); }

@keyframes td_float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

.td_about_float strong {
    display: block;
    font-size: 13px;
    color: var(--td-text);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 3px;
}
.td_about_float span {
    display: block;
    font-size: 11px;
    color: var(--td-text-muted);
    letter-spacing: .5px;
}

.td_about_float:nth-child(1) { top: -12px; left: -28px; animation-delay: 0s; }
.td_about_float:nth-child(2) { top: 44%; right: -42px; animation-delay: 1.2s; }
.td_about_float:nth-child(3) { bottom: 10px; left: -16px; animation-delay: 2.4s; }

/* ===== 4 · 核心信息栏目 — 单行宽屏卡 ===== */
.td_cat_hero {
    background: var(--td-white);
    border: 1px solid var(--td-border);
    border-radius: var(--td-radius-xl);
    padding: 38px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 44px;
    align-items: center;
    box-shadow: var(--td-shadow-card);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.td_cat_hero::before {
    content: "";
    position: absolute;
    right: -100px; top: -100px;
    width: 300px; height: 300px;
    background: var(--td-gradient-glow);
    pointer-events: none;
    z-index: -1;
}
.td_cat_hero_text {}
.td_cat_hero_label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--td-cyan-hover);
    background: var(--td-cyan-soft);
    border: 1px solid var(--td-cyan-line);
    padding: 5px 12px;
    border-radius: var(--td-radius-pill);
    margin-bottom: 14px;
    letter-spacing: 2px;
}
.td_cat_hero_text h3 {
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 800;
    color: var(--td-text);
    margin: 0 0 14px;
    line-height: 1.3;
}
.td_cat_hero_text > p {
    font-size: 14.5px;
    color: var(--td-text-body);
    line-height: 1.9;
    margin: 0 0 22px;
}
.td_cat_hero_meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-bottom: 26px;
    font-size: 13.5px;
    color: var(--td-text);
}
.td_cat_hero_meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.td_cat_hero_meta i {
    width: 28px; height: 28px;
    border-radius: 8px;
    background: var(--td-primary-soft);
    color: var(--td-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.td_cat_hero_meta strong {
    font-family: var(--td-font-num);
    color: var(--td-primary);
    font-size: 16px;
    font-weight: 800;
}

.td_cat_hero_thumbs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    aspect-ratio: 1.3 / 1;
}
.td_cat_hero_thumb {
    border-radius: var(--td-radius-md);
    overflow: hidden;
    position: relative;
    background: var(--td-bg-soft);
    transition: transform .3s ease;
}
.td_cat_hero_thumb:hover { transform: translateY(-3px); }
.td_cat_hero_thumb:nth-child(1) {
    grid-row: 1 / 3;
}
.td_cat_hero_thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.td_cat_hero_thumb:hover img { transform: scale(1.05); }
.td_cat_hero_thumb_title {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 10px 14px;
    background: linear-gradient(180deg, transparent 0%, rgba(11,30,63,.78) 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.td_cat_hero_thumb_ph {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--td-bg-soft), var(--td-cyan-soft));
    color: var(--td-primary);
    font-size: 28px;
}

/* ===== 5 · 精选项目 — 非对称版式 ===== */
.td_feat_layout {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 22px;
    align-items: stretch;
}
.td_feat_big {
    display: flex;
    flex-direction: column;
    border-radius: var(--td-radius-lg);
    overflow: hidden;
    background: var(--td-white);
    border: 1px solid var(--td-border);
    box-shadow: var(--td-shadow-card);
    transition: all .3s ease;
    color: var(--td-text);
}
.td_feat_big:hover {
    transform: translateY(-4px);
    box-shadow: var(--td-shadow-card-hover);
    color: var(--td-text);
}
.td_feat_big_thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--td-bg-soft);
    overflow: hidden;
}
.td_feat_big_thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.td_feat_big:hover .td_feat_big_thumb img { transform: scale(1.04); }
.td_thumb_ph {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--td-bg-soft), var(--td-cyan-soft));
    color: var(--td-primary);
    font-size: 38px;
}
.td_info_cat {
    position: absolute;
    top: 14px; left: 14px;
    padding: 5px 12px;
    background: rgba(255,255,255,.92);
    color: var(--td-primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--td-radius-pill);
    backdrop-filter: blur(4px);
}
.td_feat_big_tag {
    position: absolute;
    top: 14px; right: 14px;
    padding: 5px 12px;
    background: var(--td-gradient-hot);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--td-radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.td_feat_big_body {
    padding: 24px 26px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.td_feat_big_body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--td-text);
    margin: 0 0 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.td_feat_big_body p {
    font-size: 13.5px;
    color: var(--td-text-body);
    line-height: 1.75;
    margin: 0 0 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.td_feat_big_meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 12.5px;
    color: var(--td-text-muted);
    margin-bottom: 16px;
}
.td_feat_big_meta span { display: inline-flex; align-items: center; gap: 5px; }
.td_feat_big_meta i { color: var(--td-cyan); font-size: 11px; }
.td_feat_big_link {
    margin-top: auto;
    color: var(--td-primary);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .25s ease;
}
.td_feat_big_link i { font-size: 12px; transition: transform .25s ease; }
.td_feat_big:hover .td_feat_big_link { gap: 10px; }
.td_feat_big:hover .td_feat_big_link i { transform: translateX(4px); }

.td_feat_small_grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.td_info_card {
    display: flex;
    flex-direction: column;
    background: var(--td-white);
    border: 1px solid var(--td-border);
    border-radius: var(--td-radius);
    overflow: hidden;
    box-shadow: var(--td-shadow-sm);
    transition: all .3s ease;
    color: var(--td-text);
}
.td_info_card:hover {
    transform: translateY(-4px);
    box-shadow: var(--td-shadow-card-hover);
    border-color: var(--td-primary-soft);
    color: var(--td-text);
}
.td_info_thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--td-bg-soft);
    overflow: hidden;
}
.td_info_thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.td_info_card:hover .td_info_thumb img { transform: scale(1.06); }
.td_info_hot {
    position: absolute;
    top: 10px; right: 10px;
    padding: 3px 9px;
    background: var(--td-gradient-hot);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--td-radius-pill);
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.td_info_body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.td_info_body h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--td-text);
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.td_info_meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--td-text-muted);
}
.td_info_meta span { display: inline-flex; align-items: center; gap: 4px; }
.td_info_meta i { color: var(--td-cyan); font-size: 10px; }

/* ===== 6 · 落地方案 — 图文长卡 ×3（轮替左右） ===== */
.td_solution {
    display: flex;
    flex-direction: column;
    gap: 50px;
}
.td_solution_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.td_solution_row:nth-child(even) .td_solution_media { order: 1; }
.td_solution_row:nth-child(even) .td_solution_text  { order: 2; }
.td_solution_media {
    position: relative;
    border-radius: var(--td-radius-lg);
    overflow: hidden;
    aspect-ratio: 5 / 4;
    box-shadow: var(--td-shadow);
}
.td_solution_media_ph {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 72px;
    position: relative;
    overflow: hidden;
}
.td_solution_media_ph::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(60% 50% at 80% 20%, rgba(255,255,255,.2) 0%, transparent 70%),
        radial-gradient(40% 40% at 20% 80%, rgba(255,255,255,.14) 0%, transparent 70%);
    pointer-events: none;
}
.td_solution_media_ph_a { background: linear-gradient(135deg, #1E6FD9 0%, #14B8C4 100%); }
.td_solution_media_ph_b { background: linear-gradient(135deg, #0E3A82 0%, #1659B8 100%); }
.td_solution_media_ph_c { background: linear-gradient(135deg, #14B8C4 0%, #10B981 100%); }
.td_solution_media_ph i {
    position: relative;
    z-index: 1;
    text-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.td_solution_media_label {
    position: absolute;
    left: 18px; bottom: 18px;
    padding: 6px 14px;
    background: rgba(255,255,255,.92);
    color: var(--td-primary);
    font-size: 12.5px;
    font-weight: 700;
    border-radius: var(--td-radius-pill);
    letter-spacing: 1px;
    backdrop-filter: blur(4px);
}

.td_solution_text_num {
    font-size: 14px;
    font-weight: 800;
    color: var(--td-cyan);
    letter-spacing: 4px;
    display: inline-block;
    margin-bottom: 12px;
    font-family: var(--td-font-num);
}
.td_solution_text h3 {
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 800;
    color: var(--td-text);
    margin: 0 0 16px;
    line-height: 1.3;
}
.td_solution_text > p {
    font-size: 14.5px;
    color: var(--td-text-body);
    line-height: 1.9;
    margin: 0 0 22px;
}
.td_solution_list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 22px;
}
.td_solution_list li {
    font-size: 13.5px;
    color: var(--td-text);
    display: flex;
    align-items: flex-start;
    gap: 9px;
    line-height: 1.65;
}
.td_solution_list li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: #fff;
    background: var(--td-gradient-hot);
    width: 20px; height: 20px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ===== 7 · 数据条（深色） ===== */
.td_kpi {
    padding: 64px 0;
    background: var(--td-dark);
    color: var(--td-dark-text);
    position: relative;
    overflow: hidden;
}
.td_kpi::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(50% 80% at 20% 50%, rgba(30,111,217,.25) 0%, transparent 70%),
        radial-gradient(50% 80% at 80% 50%, rgba(20,184,196,.22) 0%, transparent 70%);
    pointer-events: none;
}
.td_kpi::after {
    content: "";
    position: absolute;
    left: 0; right: 0;
    top: 0;
    height: 1px;
    background: var(--td-gradient-line);
}
.td_kpi_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    position: relative;
    z-index: 1;
}
.td_kpi_item {
    text-align: center;
    padding: 18px 16px;
    border-right: 1px solid rgba(255,255,255,.06);
}
.td_kpi_item:last-child { border-right: none; }
.td_kpi_icon {
    width: 50px; height: 50px;
    margin: 0 auto 14px;
    border-radius: 12px;
    background: rgba(20,184,196,.14);
    color: var(--td-cyan);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(20,184,196,.3);
}
.td_kpi_num {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    font-family: var(--td-font-num);
    line-height: 1;
    margin-bottom: 8px;
    background: var(--td-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.td_kpi_num em {
    font-style: normal;
    font-size: 15px;
    margin-left: 3px;
    color: var(--td-cyan);
    -webkit-text-fill-color: var(--td-cyan);
}
.td_kpi_label {
    font-size: 13.5px;
    color: var(--td-dark-muted);
    letter-spacing: 1px;
}

/* ===== 8 · 入驻流程 — 横向时间轴 ===== */
.td_steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.td_steps::before {
    content: "";
    position: absolute;
    top: 36px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--td-primary) 0%, var(--td-cyan) 100%);
    z-index: 0;
    border-radius: 2px;
}
.td_step {
    position: relative;
    text-align: center;
    z-index: 1;
}
.td_step_dot {
    width: 72px; height: 72px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--td-white);
    border: 2px solid var(--td-primary-soft);
    color: var(--td-primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all .3s ease;
    box-shadow: 0 8px 18px rgba(15,40,90,.08);
}
.td_step_dot::after {
    /* 数字徽章 */
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    top: -6px; right: -6px;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--td-gradient-hot);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    font-family: var(--td-font-num);
}
.td_steps { counter-reset: step-counter; }

.td_step:hover .td_step_dot {
    transform: scale(1.06);
    background: var(--td-gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--td-shadow-btn);
}
.td_step h4 {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--td-text);
    margin: 0 0 6px;
}
.td_step p {
    font-size: 13px;
    color: var(--td-text-body);
    line-height: 1.7;
    margin: 0;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 9 · 服务商网格 ===== */
.td_merchant_grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
}
.td_merchant_card {
    background: var(--td-white);
    border: 1px solid var(--td-border);
    border-radius: var(--td-radius);
    padding: 22px 16px;
    text-align: center;
    transition: all .3s ease;
    color: var(--td-text);
    position: relative;
}
.td_merchant_card:hover {
    transform: translateY(-4px);
    border-color: var(--td-primary-soft);
    box-shadow: var(--td-shadow-card-hover);
    color: var(--td-text);
}
.td_merchant_logo {
    width: 64px; height: 64px;
    margin: 0 auto 12px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--td-bg-soft);
    border: 1px solid var(--td-border);
}
.td_merchant_logo img {
    width: 100%; height: 100%; object-fit: cover;
}
.td_merchant_logo_ph {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--td-gradient-primary);
    color: #fff;
    font-size: 22px;
}
.td_merchant_name {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--td-text);
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.td_merchant_count {
    display: block;
    font-size: 12px;
    color: var(--td-text-muted);
    margin-bottom: 10px;
}
.td_merchant_badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--td-accent-hover);
    background: var(--td-accent-soft);
    border-radius: var(--td-radius-pill);
}
.td_merchant_card.td_merchant_empty {
    background: var(--td-bg-soft);
    border-style: dashed;
    color: var(--td-text-muted);
}
.td_merchant_card.td_merchant_empty .td_merchant_logo {
    background: var(--td-white);
    color: var(--td-text-muted);
}
.td_merchant_card.td_merchant_empty .td_merchant_logo_ph {
    background: var(--td-bg-tech);
    color: var(--td-text-muted);
}

/* ===== 10 · CTA 行动条 ===== */
.td_cta {
    padding: 70px 0;
    background: var(--td-gradient-deep);
    position: relative;
    overflow: hidden;
}
.td_cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(50% 70% at 25% 50%, rgba(30,111,217,.35) 0%, transparent 70%),
        radial-gradient(50% 70% at 75% 50%, rgba(20,184,196,.32) 0%, transparent 70%);
    pointer-events: none;
}
.td_cta::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.7) 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.7) 0%, transparent 80%);
}
.td_cta_inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}
.td_cta_text { flex: 1; min-width: 280px; }
.td_cta_text h2 {
    font-size: clamp(24px, 2.6vw, 34px);
    font-weight: 800;
    color: #fff;
    margin: 0 0 12px;
    letter-spacing: 1px;
}
.td_cta_text h2 em {
    font-style: normal;
    background: var(--td-gradient-hot);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.td_cta_text > p {
    font-size: 14.5px;
    color: var(--td-dark-text);
    margin: 0 0 16px;
    line-height: 1.8;
    max-width: 620px;
}
.td_cta_chips {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--td-dark-text);
}
.td_cta_chips li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.td_cta_chips li i {
    color: var(--td-cyan);
    background: rgba(20,184,196,.16);
    width: 24px; height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
}
.td_cta_actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1280px) {
    .td_merchant_grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1024px) {
    .td_hero { min-height: 480px; }
    .td_hero {
        background-image:
            linear-gradient(170deg,
                rgba(245, 249, 255, 1) 0%,
                rgba(245, 249, 255, .92) 45%,
                rgba(245, 249, 255, .35) 70%,
                rgba(245, 249, 255, 0) 100%),
            var(--td-hero-img);
    }
    .td_about_inner { grid-template-columns: 1fr; gap: 44px; }
    .td_about_text { order: 2; }
    .td_about_media { order: 1; max-width: 460px; margin: 0 auto; width: 100%; }
    .td_about_float:nth-child(1) { left: -10px; }
    .td_about_float:nth-child(2) { right: -10px; }
    .td_cat_hero { grid-template-columns: 1fr; gap: 30px; padding: 32px 28px; }
    .td_feat_layout { grid-template-columns: 1fr; }
    .td_solution_row { grid-template-columns: 1fr; gap: 32px; }
    .td_solution_row:nth-child(even) .td_solution_media { order: 0; }
    .td_kpi_grid { grid-template-columns: repeat(2, 1fr); gap: 28px 22px; }
    .td_kpi_item:nth-child(2) { border-right: none; }
    .td_steps { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
    .td_steps::before { display: none; }
}
@media (max-width: 768px) {
    .td_hero { min-height: 420px; }
    .td_hero_inner { padding-top: 90px; padding-bottom: 56px; }
    .td_hero_title { font-size: clamp(26px, 7vw, 36px); }
    .td_hero_mini { gap: 22px; }
    .td_hero_mini_item strong { font-size: 22px; }
    .td_about_list { grid-template-columns: 1fr; }
    .td_cat_hero_thumbs { aspect-ratio: 1.4 / 1; }
    .td_feat_small_grid { grid-template-columns: 1fr 1fr; }
    .td_solution_list { grid-template-columns: 1fr; }
    .td_kpi_grid { grid-template-columns: 1fr 1fr; gap: 22px; }
    .td_kpi_num { font-size: 28px; }
    .td_kpi_item { padding: 14px 10px; border-right: none; }
    .td_steps { grid-template-columns: 1fr; gap: 28px; }
    .td_merchant_grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .td_cta_inner { flex-direction: column; align-items: stretch; gap: 24px; }
    .td_cta_actions { flex-direction: row; flex-wrap: wrap; }
    .td_cta_actions .td_btn { flex: 1; min-width: 140px; }
}
@media (max-width: 480px) {
    .td_feat_small_grid { grid-template-columns: 1fr; }
    .td_merchant_grid { grid-template-columns: 1fr 1fr; }
}