/* ========================================
   火星知识产权交易中心 - 首页样式
   主色调: #ff7519
   内容区宽度: 1280px
   ======================================== */

/* ---- 基础重置 ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff7519;
    --primary-light: #ff9447;
    --primary-dark: #e85d0c;
    --primary-deep: #c94b08;
    --primary-bg: #fff7f1;
    --text-dark: #1a1a1a;
    --text-body: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-gray: #f5f7fa;
    --border-color: #e8e8e8;
    --white: #ffffff;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 6px 24px rgba(255, 117, 25, 0.08);
    --shadow-lift: 0 16px 40px rgba(255, 117, 25, 0.16);
    --radius: 8px;
    --radius-lg: 16px;
    --container-width: 1280px;
    /* 渐变 / 动效 / 数字字体 */
    --gradient-primary: linear-gradient(135deg, #ff9447 0%, #ff7519 50%, #e85d0c 100%);
    --gradient-soft: linear-gradient(135deg, rgba(255, 148, 71, 0.12) 0%, rgba(255, 117, 25, 0.04) 100%);
    --dur-fast: 0.2s;
    --dur-mid: 0.35s;
    --dur-slow: 0.6s;
    --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
    --font-num: "DIN Alternate", "Bahnschrift", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-body);
    background: var(--white);
    font-size: 14px;
    line-height: 1.6;
    min-width: 1280px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ---- 布局容器 ---- */
.container {
    width: var(--container-width);
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* ---- 头部导航 ---- */
.header {
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow var(--dur-mid) var(--ease-out);
}

.header.scrolled {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    transition: height var(--dur-mid) var(--ease-out);
}

.header.scrolled .header-inner {
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    flex-shrink: 0;
}

.logo-icon img {
    width: 60px;
    display: block;
    transition: transform var(--dur-mid) var(--ease-out);
}

.logo:hover .logo-icon svg {
    transform: rotate(-8deg) scale(1.06);
}

.logo-text h1 {
    font-size: 22px;
    color: var(--text-dark);
    font-weight: bold;
    line-height: 1.3;
}

.logo-text span {
    font-size: 11px;
    letter-spacing: 3.5px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.nav-list {
    display: flex;
    gap: 2px;
}

.nav-item a {
    display: block;
    padding: 8px 20px;
    font-size: 16px;
    color: var(--text-body);
    font-weight: 500;
    border-radius: var(--radius);
    position: relative;
    transition: color var(--dur-fast), background var(--dur-fast);
}

.nav-item a::after {
    content: '';
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 2px;
    height: 2px;
    border-radius: 1px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--dur-fast) var(--ease-out);
}

.nav-item a:hover {
    color: var(--primary);
    /* background: var(--primary-bg); */
    font-weight: bold;
}

.nav-item a:hover::after {
    transform: scaleX(1);
}

.nav-item.active a {
    color: var(--primary);
    font-weight: bold;
    /* background: var(--primary-bg); */
}

.nav-item.active a::after {
    transform: scaleX(1);
}

/* ---- Banner ---- */
.banner {
    position: relative;
    overflow: hidden;
}

.banner-slide {
    height: 440px;
    display: none;
    align-items: center;
    position: relative;
}

/* Banner 背景装饰 */
.banner-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-blob {
    position: absolute;
    border-radius: 50%;
}

.blob-1 {
    width: 500px;
    height: 500px;
    left: -150px;
    top: -200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.14) 0%, transparent 70%);
    animation: blobBreath 22s ease-in-out infinite;
}

.blob-2 {
    width: 600px;
    height: 600px;
    right: -200px;
    bottom: -250px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
    animation: blobBreath 28s ease-in-out 4s infinite;
}

@keyframes blobBreath {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.18); }
}

.deco-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.ring-1 {
    width: 320px;
    height: 320px;
    right: 8%;
    top: -120px;
    animation: ringSpin 45s linear infinite;
}

.ring-2 {
    width: 200px;
    height: 200px;
    left: 6%;
    bottom: -60px;
    border-style: dashed;
    animation: ringSpin 30s linear infinite reverse;
}

@keyframes ringSpin {
    to { transform: rotate(360deg); }
}

.deco-dots {
    position: absolute;
    width: 160px;
    height: 120px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.28) 1.5px, transparent 1.5px);
    background-size: 20px 20px;
}

.dots-1 {
    left: 12%;
    top: 18%;
}

.dots-2 {
    right: 10%;
    bottom: 20%;
}

.deco-icon {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: bannerFloat 6s ease-in-out infinite;
}

.icon-1 {
    left: 17%;
    top: 30%;
}

.icon-2 {
    right: 16%;
    top: 24%;
    animation-delay: 1.5s;
}

.icon-3 {
    left: 24%;
    bottom: 26%;
    animation-delay: 3s;
}

@keyframes bannerFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.banner-slide.active {
    display: flex;
}

.banner-content {
    width: 100%;
}

.banner-text {
    color: #fff;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 50px 0;
    position: relative;
    z-index: 2;
}

.banner-headline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 36px;
    /* animation: bannerFadeUp 0.7s var(--ease-out) 0.1s backwards; */
}

.banner-headline h2 {
    font-size: 42px;
    font-weight: bold;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
    letter-spacing: 0.06em;
    /* animation: bannerTrack 0.9s var(--ease-out) 0.15s backwards; */
}

@keyframes bannerFadeUp {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bannerTrack {
    from { opacity: 0; letter-spacing: 0.3em; }
    to { opacity: 1; letter-spacing: 0.06em; }
}

.headline-line {
    width: 84px;
    height: 3px;
    border-radius: 2px;
    flex-shrink: 0;
}

.headline-line:first-child {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9));
}

.headline-line:last-child {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.9), transparent);
}

.banner-search-wrap {
    margin-bottom: 16px;
    /* animation: bannerFadeUp 0.7s var(--ease-out) 0.35s backwards; */
}

.banner-search-wrap {
    margin-bottom: 16px;
}

.search-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.search-tab {
    padding: 9px 36px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.18);
    /* border: 1px solid rgba(255, 255, 255, 0.35); */
    border-radius: 999px;
    cursor: pointer;
    transition: background var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast);
    user-select: none;
    text-align: center;
}

.search-tabs .search-tab + .search-tab {
    margin-left: 14px;
}

.search-tab:hover {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    transform: translateY(-1px);
}

.search-tab.active {
    background: #fff;
    /* border-color: #fff; */
    color: var(--primary);
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.banner-search {
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin: 0 auto;
    max-width: 600px;
    transition: box-shadow var(--dur-mid) var(--ease-out);
}

.banner-search:focus-within {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.35), 0 6px 24px rgba(0, 0, 0, 0.18);
}

.banner-search input {
    flex: 1;
    border: none;
    padding: 14px 20px;
    font-size: 15px;
    outline: none;
    font-family: inherit;
}

.banner-search .btn-search {
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    padding: 14px 30px;
    font-size: 15px;
    cursor: pointer;
    font-weight: 500;
    font-family: inherit;
    letter-spacing: 2px;
    transition: filter var(--dur-fast);
}

.banner-search .btn-search::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -60%;
    width: 40%;
    background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: skewX(-20deg);
    pointer-events: none;
}

.banner-search .btn-search:hover {
    filter: brightness(1.08);
}

.banner-search .btn-search:hover::before {
    animation: shineSweep 0.9s var(--ease-out);
}

@keyframes shineSweep {
    from { left: -60%; }
    to { left: 130%; }
}

.banner-tags {
    font-size: 13px;
    opacity: 0.95;
    text-align: center;
    /* animation: bannerFadeUp 0.6s var(--ease-out) 0.55s backwards; */
}

.banner-tags a {
    display: inline-block;
    color: #fff;
    margin: 0 8px 4px 0;
    padding: 5px 14px;
    /* border: 1px solid rgba(255, 255, 255, 0.45); */
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    transition: background var(--dur-fast), color var(--dur-fast), transform var(--dur-fast);
}

.banner-tags a:hover {
    background: #fff;
    color: var(--primary);
    /* transform: translateY(-2px); */
}

.banner-highlights {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
    /* animation: bannerFadeUp 0.6s var(--ease-out) 0.7s backwards; */
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 999px;
    font-size: 14px;
    backdrop-filter: blur(4px);
}

/* ---- 通用 Section ---- */
.section {
    padding: 50px 0;
}
.patent-section { padding-top: 0;}
.trademark-section{
    /* padding-bottom: 0; */
}
.similar-section{
    padding-top: 0;
}
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header.center {
    flex-direction: column;
    text-align: center;
    gap: 8px;
}

.section-title-wrap {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.section-title {
    font-size: 28px;
    color: var(--text-dark);
    font-weight: bold;
    position: relative;
    padding-left: 16px;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    border-radius: 3px;
    background: var(--gradient-primary);
}

.section-header.center .section-title {
    padding-left: 0;
    padding-bottom: 14px;
}

.section-header.center .section-title::before {
    top: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 4px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 13px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 4px 14px;
    border-radius: 999px;
    letter-spacing: 1px;
}

.more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
}

.more-link svg {
    display: block;
    transition: transform var(--dur-fast) var(--ease-out);
}

.more-link:hover svg {
    transform:  rotate(-25deg);
}

/* ---- 商标网格（首页：筛选面板 + 全宽网格；列表页：filter-panel/list-grid） ---- */
.trademark-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 24px;
    align-items: flex-start;
    /* 行从顶部排列，多余空间留在底部，不因数据少被拉伸分摊到行间 */
    align-content: start;
    grid-auto-rows: max-content;
}

.trademark-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 296px;
}

.trademark-card:hover {
    box-shadow: var(--shadow-lift);
    border-color: rgba(255, 117, 25, 0.5);
    transform: translateY(-1px);
}

/* 淡入动画（空态占位用） */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- 精选商标分页（仅上一页/下一页，右对齐，顶部/底部两处） ---- */
.tm-pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    padding: 0px 0 2px;
    margin-top: 16px;
}

.tm-pagination-top {
    padding: 0 0 15px;
}

.tm-page-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    font-size: 14px;
    color: var(--text-body);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    cursor: pointer;
    transition: color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
}

.tm-page-btn svg {
    flex-shrink: 0;
    transition: transform var(--dur-fast) var(--ease-out);
}

.tm-page-btn:hover:not(:disabled) {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 3px 12px rgba(255, 117, 25, 0.18);
}

/* 箭头悬停微动：上一页向左、下一页向右 */
.tm-prev-btn:hover:not(:disabled) svg {
    transform: translateX(-3px);
}

.tm-next-btn:hover:not(:disabled) svg {
    /* transform: translateX(3px); */
}

.tm-page-btn:disabled {
    color: var(--text-light);
    background: #faf9f7;
    cursor: not-allowed;
    opacity: 0.65;
}

/* 页码数字按钮 */
.tm-page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    font-size: 14px;
    color: var(--text-body);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    cursor: pointer;
    transition: color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
}

.tm-page-num:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.tm-page-num.current {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 3px 12px rgba(255, 117, 25, 0.28);
    cursor: default;
}

/* 页码省略号 */
.tm-page-gap {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 4px;
    color: var(--text-light);
    font-size: 14px;
}

/* 分页统计文案 */
.tm-page-total {
    margin-left: 4px;
    font-size: 13px;
    color: var(--text-light);
}

/* 空分类占位 */
.grid-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 72px 20px;
    color: var(--text-light);
    animation: fadeUp 0.5s var(--ease-out) backwards;
}

.grid-empty svg {
    margin: 0 auto 18px;
}

.grid-empty p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 6px;
    font-weight: 500;
}

.grid-empty span {
    font-size: 13px;
}

.tm-img {
    height: 150px;
    position: relative;
    overflow: hidden;
    background: #f5f5f5;
}

/* .tm-img::after {
    content: '查看详情';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to top, rgba(232, 93, 12, 0.75), rgba(26, 26, 26, 0.2));
    color: #fff;
    font-size: 14px;
    letter-spacing: 4px;
    text-indent: 4px;
    opacity: 0;
    transition: opacity var(--dur-mid) var(--ease-out);
    pointer-events: none;
} */

.trademark-card:hover .tm-img::after {
    opacity: 1;
}

.tm-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-mid) var(--ease-out);
}

.trademark-card:hover .tm-img img {
    transform: scale(1.05);
}

.tm-img .tm-status {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 1;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 11px;
    padding: 3px 12px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(232, 93, 12, 0.35);
    letter-spacing: 1px;
}

.tm-info {
    padding: 12px 14px;
    flex: 1;
    /* display: flex;
    flex-direction: column; */
}

.tm-name {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tm-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.tm-meta span:last-child {
    font-size: 12px;
    color: var(--text-light);
}

.tm-cat {
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.tm-desc {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.tm-btn {
    align-self: flex-start;
    margin-top: auto;
    padding: 8px 22px;
    font-size: 13px;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 999px;
    letter-spacing: 2px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(255, 117, 25, 0.28);
    transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.tm-btn:hover {
    /* transform: translateY(-2px); */
    box-shadow: 0 8px 20px rgba(255, 117, 25, 0.42);
}

/* ---- 专利列表 ---- */
.patent-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.patent-card {
    display: flex;
    gap: 16px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.patent-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transition: width var(--dur-fast) var(--ease-out);
}

.patent-card:hover {
    box-shadow: var(--shadow-lift);
    border-color: rgba(255, 117, 25, 0.4);
    transform: translateY(-1px);
}

.patent-card:hover::before {
    width: 5px;
}

.patent-icon {
    width: 100px;
    height: 116px;
    border-radius: 10px;
    flex-shrink: 0;
    padding: 3px;
    background: var(--primary-bg);
    border: 1px solid rgba(255, 117, 25, 0.18);
    box-shadow: 0 2px 10px rgba(255, 117, 25, 0.12);
}

.patent-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.patent-info {
    flex: 1;
    min-width: 0;
}

.patent-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.patent-desc {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.patent-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-light);
}

.patent-type {
    background: var(--primary-bg);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

/* 类型色系区分（限橙色系梯度） */
.patent-type-invention {
    background: var(--primary-bg);
    color: var(--primary);
}

.patent-type-utility {
    background: #fff0e3;
    color: #f08b3c;
}

.patent-type-design {
    background: #f5f1ec;
    color: #b08b64;
}

.patent-btn {
    margin-left: auto;
    padding: 6px 18px;
    font-size: 12px;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 999px;
    letter-spacing: 1px;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(255, 117, 25, 0.26);
    transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.patent-btn:hover {
    /* transform: translateY(-1px); */
    box-shadow: 0 5px 14px rgba(255, 117, 25, 0.38);
}

/* ---- 服务流程 ---- */
.process-section {
    background-color: var(--bg-gray);
    background-image: radial-gradient(rgba(255, 117, 25, 0.05) 1.5px, transparent 1.5px);
    background-size: 22px 22px;
}

.process-steps {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 40px;
}

.process-step {
    text-align: center;
    flex: 1;
    max-width: 240px;
    position: relative;
    background: var(--white);
    border-radius: 14px;
    padding: 34px 20px 28px;
    box-shadow: var(--shadow);
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out);
}

.process-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lift);
}

.step-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: -28px;
    font-family: var(--font-num);
}

.step-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--primary-bg);
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-step h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* 步骤间细连接线（对齐图标中线，低调不抢眼） */
.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 89px;
    right: -40px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 148, 71, 0.55), rgba(232, 93, 12, 0.55));
    border-radius: 1px;
    pointer-events: none;
}

/* ---- 优势 ---- */
.advantages-section {
    background-image: radial-gradient(900px 320px at 50% 0, rgba(255, 117, 25, 0.06), transparent 75%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 36px 28px;
    text-align: center;
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid);
}

.advantage-item:hover {
    box-shadow: var(--shadow-lift);
    border-color: rgba(255, 117, 25, 0.4);
    transform: translateY(-4px);
}

.advantage-icon {
    width: 88px;
    height: 88px;
    border-radius: 26px;
    background: var(--primary-bg);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--dur-mid);
}

.advantage-icon svg {
    display: block;
    transition: transform var(--dur-mid) var(--ease-out);
}

.advantage-item:hover .advantage-icon {
    background: #ffede0;
}

.advantage-item:hover .advantage-icon svg {
    transform: rotate(0deg) scale(1.08);
}

.advantage-item h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.advantage-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ---- 数据统计 ---- */
.stats-section {
    background-image:
        radial-gradient(rgba(255, 255, 255, 0.14) 1.3px, transparent 1.3px),
        linear-gradient(135deg, #ff7519, #e85d0c);
    background-size: 24px 24px, 100% 100%;
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item {
    color: #fff;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item:last-child {
    border-right: none;
}

.stat-icon {
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-icon svg {
    display: inline-block;
}

.stat-number {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 8px;
    font-family: var(--font-num);
}

@keyframes statPop {
    0% { transform: scale(1); }
    45% { transform: scale(1.06); }
    100% { transform: scale(1); }
}

.stat-number.done {
    animation: statPop 0.5s var(--ease-out);
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    letter-spacing: 1px;
}

/* ---- 关于我们 ---- */
.about-main {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 2;
    margin-bottom: 20px;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-img {
    width: 520px;
    flex-shrink: 0;
    position: relative;
}

.about-img::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 16px;
    right: -16px;
    bottom: -16px;
    border-radius: 12px;
    border: 2px solid rgba(255, 117, 25, 0.35);
    background: var(--gradient-soft);
    z-index: 0;
}

.about-img img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    transition: transform var(--dur-slow) var(--ease-out);
}

.about-img:hover img {
    transform: scale(1.02);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-feature {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px 24px;
    text-align: center;
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out), border-color var(--dur-mid);
}

.about-feature:hover {
    box-shadow: var(--shadow-lift);
    border-color: rgba(255, 117, 25, 0.4);
    transform: translateY(-4px);
}

.about-feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary-bg);
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-feature h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.about-feature p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
}

/* ---- 权威认证 ---- */
.partners-section {
    background-color: var(--bg-gray);
    background-image: radial-gradient(rgba(255, 117, 25, 0.04) 1.5px, transparent 1.5px);
    background-size: 22px 22px;
    padding: 40px 0;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.partner-item {
    background: var(--white);
    border-radius: 12px;
    padding: 26px 12px 30px;
    text-align: center;
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
    box-shadow: var(--shadow);
    transition: transform var(--dur-mid) var(--ease-out), box-shadow var(--dur-mid) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.partner-item::after {
    content: '';
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: 0;
    height: 3px;
    border-radius: 2px 2px 0 0;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--dur-mid) var(--ease-out);
}

.partner-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
}

.partner-item:hover::after {
    transform: scaleX(1);
}

.partner-badge {
    display: block;
    margin: 0 auto 14px;
    color: #c9c9cf;
    transition: color var(--dur-mid), transform var(--dur-mid) var(--ease-out);
}

.partner-item:hover .partner-badge {
    color: var(--primary);
    /* transform: scale(1.1); */
}

.partner-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-body);
    transition: color var(--dur-fast);
}

.partner-desc {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 2px;
}

.partner-item:hover .partner-name {
    color: var(--primary);
}

/* ---- 底部 ---- */
.footer {
    background: #1a1a2e;
    color: #999;
}

/* 主体内容 */
.footer-main {
    padding: 52px 0 12px;
}

@keyframes phonePulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.footer-main .container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
}

.footer-brand {
    max-width: 520px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo img {
    width: 36px;
    height: 36px;
    display: block;
    background: #fff;
    border-radius: 36px;
    padding: 2px;
}
.footer-logo span {
    font-size: 18px;
    color: #fff;
    font-weight: bold;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 2px solid var(--primary);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-contact p:hover {
    color: #ccc;
}

.footer-contact svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* 400 热线区块（原导航位置） */
.footer-hotline {
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 26px 32px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.footer-hotline-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    box-shadow: 0 8px 24px rgba(255, 117, 25, 0.35);
}

.footer-hotline-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(255, 117, 25, 0.6);
    animation: phonePulse 2s ease-out infinite;
}

.footer-hotline-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-hotline-label {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}

.footer-hotline-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.5px;
}

.footer-hotline-number {
    font-size: 46px;
    font-weight: bold;
    color: #fff;
    line-height: 1.1;
    font-family: var(--font-num);
    letter-spacing: 1px;
}

.footer-hotline-note {
    font-size: 12px;
    color: #888;
}

/* 企业微信二维码卡片（复用热线卡片结构，图标区改为方形白底二维码，去掉脉冲光环） */
.footer-wx .footer-hotline-icon {
    width: 110px;
    height: 110px;
    border-radius: var(--radius);
    background: #fff;
    padding: 6px;
}

.footer-wx .footer-hotline-icon::before {
    display: none;
}

.footer-wx .footer-hotline-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

/* 资质保障条 */
.footer-trust {
    display: flex;
    justify-content: flex-start;
    gap: 16px;
    /* margin-top: 36px; */
    padding:10px 0 28px 0;
    /* border-top: 1px solid #2a2a3e; */
    width: 100%;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    font-size: 13px;
    color: #aaa;
    transition: border-color var(--dur-mid), color var(--dur-mid), transform var(--dur-mid), box-shadow var(--dur-mid);
}

.trust-item svg {
    color: var(--primary);
    flex-shrink: 0;
}

.trust-item:hover {
    border-color: var(--primary);
    color: #fff;
    /* transform: translateY(-2px); */
    box-shadow: 0 4px 12px rgba(255, 117, 25, 0.15);
}

.footer-bottom {
    border-top: 1px solid #2a2a3e;
    padding: 18px 0;
    font-size: 12px;
    color: #666;
}

.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
}

.footer-bottom p {
    margin-bottom: 0;
}

/* ---- 回到顶部 ---- */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 80px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(255, 117, 25, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-mid), visibility var(--dur-mid), transform var(--dur-mid), box-shadow var(--dur-mid);
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    animation: bttPop 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

@keyframes bttPop {
    from { transform: scale(0.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(255, 117, 25, 0.5);
}

.back-to-top:hover svg {
    animation: bttArrow 0.8s ease-in-out infinite;
}

@keyframes bttArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ---- 降级：减少动效偏好 ---- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }
}

/* ---- 响应式微调 ---- */
@media (max-width: 1440px) {
    :root {
        --container-width: 1200px;
    }
    body {
        min-width: 1200px;
    }
}

/* ========================================
   ---- 列表页（list.html）----
   ======================================== */

/* 页面标题条 */
.list-hero {
    background: var(--gradient-primary);
    padding: 26px 0;
    position: relative;
    overflow: hidden;
}

.list-hero::before {
    content: '';
    position: absolute;
    right: -60px;
    top: -70px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 34px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.list-hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.list-hero-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.list-hero-title svg {
    flex-shrink: 0;
    opacity: 0.92;
}

.list-hero-title h2 {
    font-size: 24px;
    color: #fff;
    letter-spacing: 2px;
}

.list-hero-actions {
    display: flex;
    gap: 14px;
}

.hero-btn {
    display: inline-block;
    text-decoration: none;
    padding: 10px 26px;
    font-size: 14px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    letter-spacing: 2px;
    background: #fff;
    color: var(--primary);
    font-weight: bold;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
    transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.hero-btn:hover {
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}

.hero-btn.ghost {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow: none;
}

.hero-btn.ghost:hover {
    background: rgba(255, 255, 255, 0.24);
    box-shadow: none;
}

/* 列表主体 */
.list-main {
    padding-top: 32px;
}

/* 筛选面板 */
.filter-panel {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 6px 24px;
    margin-bottom: 20px;
}

.filter-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 0;
    border-bottom: 1px dashed var(--border-color);
}

/* 面板内最后一个筛选行去底线：
   :last-child 只对 list 页（面板以 filter-row 结尾）生效；
   首页面板末尾追加了弹层按钮条（tm-filter-footer），最后一个筛选行不是 last-child，
   用 :has(+ .filter-row) 取反匹配"后面不再紧跟筛选行"的那一行 */
.filter-row:last-child,
.filter-row:not(:has(+ .filter-row)) {
    border-bottom: none;
}

.filter-label {
    width: 110px;
    flex-shrink: 0;
    padding-top: 5px;
    display: flex;
    align-items: center;
}

.filter-label-title {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-dark);
}

.filter-label-note {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.filter-options {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}


/* 选项行折叠/展开 */
.filter-options.foldable {
    max-height: 34px;
    overflow: hidden;
    /* transition: max-height var(--dur-slow) var(--ease-out); */
}

.filter-options.foldable.expanded {
    max-height: 400px;
}

.filter-toggle {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 0 5px 12px;
    font-size: 13px;
    color: var(--text-gray);
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--dur-fast);
}

.filter-toggle:hover {
    color: var(--primary);
}

.filter-toggle svg {
    transition: transform var(--dur-mid) var(--ease-out);
}

.filter-toggle.expanded svg {
    transform: rotate(180deg);
}

.filter-option {
}
.filter-option b{
    padding: 5px 16px;
    font-size: 13px;
    border-radius: 999px;
    display: inline-block;
    cursor: pointer;
    user-select: none;
    font-weight: normal;
    /* transition: color var(--dur-fast), background var(--dur-fast); */
}

.filter-option:hover b {
    color: var(--primary);
}

.filter-option.active b {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 3px 10px rgba(255, 117, 25, 0.28);
}

/* 移动端筛选弹层专用件（入口条/头部/底部按钮/遮罩，桌面隐藏） */
.tm-filter-bar,
.tm-filter-head,
.tm-filter-footer,
.tm-filter-mask {
    display: none;
}
.sbdlbox.filter-options .filter-option{ width: 108px;}
/* 名称搜索 */
.filter-search {
    display: flex;
    align-items: center;
}

.filter-search input {
    width: 300px;
    height: 38px;
    padding: 0 14px;
    font-size: 13px;
    border: 1px solid var(--border-color);
    border-right: none;
    border-radius: 999px 0 0 999px;
    outline: none;
    transition: border-color var(--dur-fast);
}

.filter-search input:focus {
    border-color: var(--primary);
}

.filter-search-btn {
    height: 38px;
    padding: 0 26px;
    font-size: 13px;
    color: #fff;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 0 999px 999px 0;
    cursor: pointer;
    transition: opacity var(--dur-fast);
}

.filter-search-btn:hover {
    opacity: 0.9;
}

/* 已选条件 chips */
.filter-chips-wrap {
    gap: 12px;
}

.filter-clear {
    flex-shrink: 0;
    padding: 5px 16px;
    font-size: 13px;
    color: var(--text-gray);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    cursor: pointer;
    transition: color var(--dur-fast), border-color var(--dur-fast);
}

.filter-clear:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    border: 1px solid rgba(255, 117, 25, 0.45);
    border-radius: 999px;
    cursor: pointer;
    transition: background var(--dur-fast);
}

.filter-chip:hover {
    background: rgba(255, 117, 25, 0.18);
}

.chip-x {
    font-style: normal;
    font-size: 14px;
    line-height: 1;
}

.filter-chips-empty {
    font-size: 13px;
    color: var(--text-light);
}

/* 排序条 */
.sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 10px 20px;
    margin-bottom: 24px;
}

.sort-items {
    display: flex;
    gap: 8px;
}

.sort-item {
    padding: 5px 18px;
    font-size: 13px;
    color: var(--text-gray);
    border-radius: 999px;
    cursor: pointer;
    user-select: none;
    transition: color var(--dur-fast), background var(--dur-fast);
}

.sort-item:hover {
    color: var(--primary);
}

.sort-item.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: bold;
}

.sort-count {
    font-size: 13px;
    color: var(--text-gray);
}

.sort-count b {
    color: var(--primary);
    font-family: var(--font-num);
    font-size: 15px;
}

/* 列表网格（独立容器，不复用首页侧边栏等高拉伸） */
.list-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-content: start;
    grid-auto-rows: max-content;
    padding: 0;
    margin-bottom: 16px;
}

/* 分页（纯排版展示） */
.list-pager {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 22px 0 12px;
}

.pager-btn,
.pager-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0;
    font-size: 13px;
    color: var(--text-gray);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
    transition: color var(--dur-fast), border-color var(--dur-fast), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.pager-btn {
    padding: 0 16px;
}

.pager-num:hover,
.pager-btn:not(:disabled):hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(255, 117, 25, 0.16);
}

.pager-num.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #fff;
    font-weight: bold;
    box-shadow: 0 4px 12px rgba(255, 117, 25, 0.32);
}

.pager-num.active:hover {
    color: #fff;
    transform: none;
}

.pager-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.pager-dots {
    color: var(--text-light);
    padding: 0 4px;
    user-select: none;
}

/* 列表空态 */
.list-empty {
    grid-column: 1 / -1;
}

/* ========================================
   ---- 表单页（sell/buy）----
   ======================================== */

/* 页头横幅 */
.form-hero {
    background: var(--gradient-primary);
    padding: 40px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.form-hero::before {
    content: '';
    position: absolute;
    left: -70px;
    top: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 38px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.form-hero::after {
    content: '';
    position: absolute;
    right: -60px;
    bottom: -90px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 38px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.form-hero h2 {
    font-size: 28px;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 8px;
}

.form-hero p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 2px;
}

/* 表单主体 */
.form-main {
    padding-top: 44px;
}

.form-card {
    /* width: 760px; */
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 40px 48px;
    min-height: 460px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px 28px;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-field label {
    display: block;
    font-size: 14px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    font-size: 13px;
    color: var(--text-dark);
    background: #fafafa;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
}

.form-field input,
.form-field select {
    height: 42px;
    padding: 0 14px;
}

.form-field textarea {
    padding: 12px 14px;
    resize: vertical;
    line-height: 1.6;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 117, 25, 0.15);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: var(--text-light);
}

/* 带单位输入框 */
.field-unit {
    position: relative;
}

.field-unit input {
    padding-right: 42px;
}

.unit-text {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-light);
    pointer-events: none;
}

/* 预算范围 */
.budget-range {
    display: flex;
    align-items: center;
    gap: 10px;
}

.budget-range .field-unit {
    flex: 1;
}

.budget-sep {
    color: var(--text-light);
    flex-shrink: 0;
}

/* 提交按钮 */
.form-submit-wrap {
    margin-top: 6px;
    text-align: center;
}

.form-submit {
    min-width: 260px;
    height: 50px;
    font-size: 16px;
    letter-spacing: 4px;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(255, 117, 25, 0.32);
    transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 117, 25, 0.45);
}

/* 交易流程提示条 */
.form-flow {
    width: 760px;
    margin: 24px auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    background: var(--white);
    border: 1px dashed rgba(255, 117, 25, 0.4);
    border-radius: var(--radius-lg);
    padding: 18px 24px;
}

.form-flow-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-flow-num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 13px;
    font-weight: bold;
    font-family: var(--font-num);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.form-flow-text {
    font-size: 14px;
    color: var(--text-dark);
}

.form-flow-arrow {
    color: rgba(255, 117, 25, 0.5);
    flex-shrink: 0;
}

/* ---- 详情页（detail.html）---- */

/* 面包屑 */
.breadcrumb-bar {
    padding: 18px 0 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-gray);
}

.breadcrumb a {
    color: var(--text-gray);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-sep {
    color: var(--text-light);
    font-size: 12px;
}

.breadcrumb-current {
    color: var(--text-dark);
    font-weight: 600;
}

/* 首屏双栏 */
.detail-top {
    padding: 20px 0 ;
}

.detail-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* 左侧画廊 */
.detail-gallery {
    width: 400px;
    flex-shrink: 0;
}

.detail-swiper-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
}

.detail-swiper-main .swiper-slide {
    aspect-ratio: 1 / 1;
}

.detail-swiper-main .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-swiper-main .detail-nav-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow);
    transition: background var(--dur-fast) var(--ease-out);
}

.detail-swiper-main .detail-nav-btn:hover {
    background: var(--primary);
}

.detail-swiper-main .detail-nav-btn::after {
    font-size: 15px;
    color: var(--primary);
    font-weight: bold;
}

.detail-swiper-main .detail-nav-btn:hover::after {
    color: #fff;
}

.detail-swiper-thumbs {
    margin-top: 12px;
}

.detail-swiper-thumbs .swiper-slide {
    cursor: pointer;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    opacity: 0.65;
    transition: opacity var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.detail-swiper-thumbs .swiper-slide img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.detail-swiper-thumbs .swiper-slide:hover {
    opacity: 1;
}

.detail-swiper-thumbs .swiper-slide-thumb-active {
    opacity: 1;
    border-color: var(--primary);
}

/* 右侧信息区 */
.detail-info {
    flex: 1;
    min-width: 0;
    width: 100%;
}

.detail-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.detail-name {
    font-size: 30px;
    color: var(--text-dark);
    font-weight: bold;
    line-height: 1.3;
}

.detail-fields {
    background: var(--bg-gray);
    border-radius: var(--radius);
    padding: 18px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}

.detail-field {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-size: 14px;
    min-width: 0;
}

.detail-field-label {
    color: var(--text-light);
    flex-shrink: 0;
}

.detail-field-value {
    color: var(--text-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    border: 1px solid rgba(255, 117, 25, 0.3);
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease-out);
}

.copy-btn:hover {
    background: var(--primary);
    color: #fff;
}

.status-badge {
    display: inline-block;
    padding: 1px 12px;
    font-size: 12px;
    color: #189a52;
    background: rgba(29, 185, 97, 0.1);
    border: 1px solid rgba(29, 185, 97, 0.3);
    border-radius: 999px;
}

/* 多类可选（信息区内字段行） */
.detail-field-multicat {
    margin-top: 14px;
}

.detail-field-multicat .multi-cat-pills {
    gap: 8px;
}

.detail-field-multicat .multi-cat-pill {
    padding: 4px 14px;
    font-size: 12px;
    cursor: default;
}

.detail-field-multicat .multi-cat-pill:hover {
    color: var(--text-gray);
    border-color: var(--border-color);
}

.detail-field-multicat .multi-cat-pill.active:hover {
    color: #fff;
    border-color: transparent;
}

.detail-price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin: 22px 0 18px;
    padding: 16px 20px;
    background: var(--gradient-soft);
    border-radius: var(--radius);
}

.detail-price-label {
    font-size: 14px;
    color: var(--text-gray);
}

.detail-price-negotiate {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary);
    line-height: 1;
}

.detail-price-tip {
    font-size: 13px;
    color: var(--text-light);
}

.detail-actions {
    display: flex;
    gap: 14px;
    margin: 20px 0;
}

.detail-btn-primary {
    padding: 13px 48px;
    font-size: 16px;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(255, 117, 25, 0.3);
    transition: all var(--dur-fast) var(--ease-out);
}

.detail-btn-primary:hover {
    /* transform: translateY(-1px); */
    box-shadow: 0 10px 24px rgba(255, 117, 25, 0.4);
}

/* 保障标签行 */
.detail-guarantees {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.guarantee-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--primary-dark);
    background: var(--primary-bg);
    border-radius: 999px;
}

/* 适用项目 */
.detail-multi-cat {
    padding-bottom: 8px;
}

.multi-cat-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.multi-cat-pill {
    padding: 6px 18px;
    font-size: 13px;
    color: var(--text-gray);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    transition: all var(--dur-fast) var(--ease-out);
}

.multi-cat-pill.active {
    color: #fff;
    background: var(--gradient-primary);
    border-color: transparent;
}

/* 多类可选「更多」小按钮 */
.multi-cat-more {
    padding: 4px 14px;
    font-size: 12px;
    color: var(--text-gray);
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease-out);
}

.multi-cat-more:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-bg);
}

.apply-projects {
    margin-top: 14px;
    padding: 14px 18px;
    background: var(--gradient-soft);
    border: 1px solid rgba(255, 117, 25, 0.18);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius);
}

.apply-projects-head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
}

.apply-projects-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 600;
}

.apply-projects-label svg {
    color: var(--primary);
    flex-shrink: 0;
}

.apply-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.apply-chip {
    padding: 5px 16px;
    font-size: 13px;
    color: var(--text-body);
    background: var(--white);
    border: 1px solid rgba(255, 117, 25, 0.25);
    border-radius: var(--radius);
}

/* 详情内容区（平铺展示 + 锚点导航） */
.detail-anchor-nav {
    position: sticky;
    top: 64px;
    z-index: 20;
    display: flex;
    gap: 40px;
    /* padding: 0 24px; */
    background: var(--white);
    /* border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow); */
}

.detail-anchor-nav a {
    position: relative;
    padding: 14px 4px;
    font-size: 15px;
    color: var(--text-gray);
    transition: color var(--dur-fast) var(--ease-out);
}

.detail-anchor-nav a:hover {
    color: var(--primary);
}

.detail-anchor-nav a:hover::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 2px;
    background: var(--gradient-primary);
}

/* 锚点导航 active 态（scrollspy 联动高亮） */
.detail-anchor-nav a.active {
    color: var(--primary);
    font-weight: 600;
}

.detail-anchor-nav a.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 2px;
    background: var(--gradient-primary);
}

.detail-block {
    padding: 32px 0 8px;
    /* 与 detail.js scrollspy OFFSET 一致：收缩 header 64px + 锚点导航条约 52px + 12px 余量 */
    scroll-margin-top: 98px;
}

.detail-block-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 20px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
    line-height: 1.3;
}

/* Tab 1：商标效果 */
.effect-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* Tab 2：转让流程 */
.transfer-flow {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.transfer-step {
    flex: 1;
    text-align: center;
    padding: 24px 14px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
}

.transfer-step-no {
    width: 44px;
    height: 44px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    font-family: var(--font-num);
    display: flex;
    align-items: center;
    justify-content: center;
}

.transfer-step h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.transfer-step p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* Tab 3：过户资料 */
.transfer-docs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.docs-col {
    padding: 20px 24px;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
}

.docs-col h4 {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.docs-col li {
    position: relative;
    padding: 5px 0 5px 16px;
    font-size: 14px;
    color: var(--text-body);
}

.docs-col li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.docs-time {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding: 12px 20px;
    font-size: 13px;
    color: var(--primary-dark);
    background: var(--primary-bg);
    border-radius: var(--radius);
    width: fit-content;
}

/* Tab 4：服务承诺 */
.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.promise-card {
    padding: 28px 20px;
    text-align: center;
    background: var(--bg-gray);
    border-radius: var(--radius-lg);
    transition: all var(--dur-fast) var(--ease-out);
}

.promise-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-card);
    transform: translateY(-4px);
}

.promise-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.promise-card h4 {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.promise-card p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* 专利详情页 */
/* 顶部单张专利图（无切换，与画廊同宽同圆角） */
.pd-single-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
}

.pd-single-img img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* 专利详情段落 */
.pd-detail-text p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 2;
    text-indent: 2em;
}


/* 安全保障提示语 */
.pd-safe-note {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

/* 承诺卡 3 列变体（专利详情安全保障 6 项） */
.promise-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

/* 相似商标推荐 */
.similar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    align-content: start;
    grid-auto-rows: max-content;
}

/* 编号复制轻提示 */
.detail-toast {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translate(-50%, -12px);
    padding: 10px 26px;
    font-size: 14px;
    color: #fff;
    background: rgba(26, 26, 26, 0.85);
    border-radius: 999px;
    opacity: 0;
    pointer-events: none;
    transition: all var(--dur-fast) var(--ease-out);
    z-index: 9999;
}

.detail-toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* 多类可选弹层 */
body.modal-open {
    overflow: hidden;
}

.cat-modal-mask {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-fast) var(--ease-out), visibility var(--dur-fast) var(--ease-out);
}

.cat-modal-mask.show {
    opacity: 1;
    visibility: visible;
}

.cat-modal {
    position: relative;
    width: 640px;
    max-width: 90%;
    padding: 28px 32px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
    transform: scale(0.92);
    transition: transform var(--dur-fast) var(--ease-out);
}

.cat-modal-mask.show .cat-modal {
    transform: scale(1);
}

.cat-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    background: var(--bg-gray);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--dur-fast) var(--ease-out);
}

.cat-modal-close:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.cat-modal-title {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.cat-modal-tip {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 18px;
}

.cat-modal-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.cat-modal-pills .multi-cat-pill {
    cursor: default;
}

/* ========================================
   ---- 响应式适配（平板 / 手机）----
   断点：1200 / 992 / 768 / 480，桌面样式不受影响
   ======================================== */

/* 汉堡按钮：默认隐藏，<=992px 显示 */
.nav-toggle {
    display: none;
}
.detail-content-section{ padding-top: 0;}
.pd-detail-text{
    line-height: 2;
}

/* ---- 平板横屏（<= 1200px）：容器放开 + 网格降列 ---- */
@media (max-width: 1200px) {
    body {
        min-width: 0;
    }

    .container {
        width: 100%;
        max-width: 100%;
    }

    /* 精选商标：网格 3 列 */
    .trademark-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 关于我们：图片收窄 */
    .about-main {
        gap: 28px;
    }

    .about-img {
        width: 440px;
    }

    /* 权威认证 4 列 */
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    /* 底部双栏间距收紧 */
    .footer-main .container {
        gap: 40px;
    }
}

/* ---- 平板竖屏（<= 992px）：双栏改上下、侧栏改横向分类条 ---- */
@media (max-width: 992px) {
    /* 头部：汉堡菜单（<992px 即启用，导航改下拉抽屉） */
    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 42px;
        height: 42px;
        padding: 10px;
        background: none;
        border: none;
        border-radius: var(--radius);
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        border-radius: 1px;
        background: var(--text-dark);
        transition: transform var(--dur-mid) var(--ease-out), opacity var(--dur-fast);
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* 导航改为下拉抽屉（header 为 sticky 定位，全宽展开） */
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 16px 24px rgba(0, 0, 0, 0.08);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--dur-mid) var(--ease-out);
    }

    .nav.open {
        max-height: 90vh;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 8px 14px 14px;
        text-align: center;
    }

    .nav-item a {
        padding: 12px 14px;
        font-size: 15px;
        /* width: 50%; */
        display: inline-block;
        text-align: center;
        margin: 0 auto;
    }

    .section {
        padding: 40px 0;
    }
    .section-subtitle{
        display: none;
    }
    /* 精选商标：网格收紧边距 */
    .trademark-grid {
        padding: 0px;
    }

    /* 服务流程：4 列改 2x2，隐藏连接线 */
    .process-steps {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .process-step {
        max-width: none;
    }

    .process-step::after {
        display: none;
    }

    /* 优势 2 列 */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 关于我们：改上下排列（图在上、文字在下） */
    .about-main {
        flex-direction: column-reverse;
        gap: 24px;
        margin-bottom: 28px;
    }

    .about-img {
        width: 100%;
    }

    /* 装饰边框改在左上，避免向右溢出产生横向滚动 */
    .about-img::before {
        top: 12px;
        left: 12px;
        right: 0;
        bottom: 0;
    }

    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 权威认证 3 列 */
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* 底部：双栏改上下 */
    .footer-main .container {
        flex-direction: column;
        gap: 28px;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-hotline {
        width: 100%;
        padding: 20px 22px;
        gap: 18px;
    }

    /* 其他页面防破版基础适配（后续逐页细化） */
    .list-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .list-hero-inner {
        flex-wrap: wrap;
    }

    .form-card {
        padding: 28px 24px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .detail-layout {
        flex-direction: column;
        gap: 24px;
    }

    .detail-gallery {
        width: 100%;
    }

    .transfer-docs {
        grid-template-columns: 1fr;
    }

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .promise-grid.cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .patent-list {
        display: grid;
        grid-template-columns: 1fr ;
        gap: 16px;
    }
    .detail-top{
        padding-bottom: 0;
    }
    .detail-actions button{
        width: 100%;
    }
    
    
}

/* ---- 手机（<= 768px）：汉堡菜单 + 单列优先 ---- */
@media (max-width: 768px) {
    /* 头部：收缩高度 + 汉堡菜单 */
    .header-inner {
        height: 60px;
    }
    .list-pager{ gap: 6px;}
    .header.scrolled .header-inner {
        height: 60px;
    }

    .logo-text h1 {
        font-size: 18px;
    }

    .logo-text span {
        font-size: 10px;
        letter-spacing: 1.5px;
    }
    .search-tab{
        padding: 6px 20px;
        font-size: 14px;
    }

    /* Banner：自适应高度 + 标题换行缩字号 */
    .banner-deco .deco-blob{
        display: none;
    }
    .banner-deco .deco-icon{
        display: none;
    }
    .banner-highlights{
        display: none;
    }
    .banner-slide {
        height: auto;
    }

    .banner-text {
        padding: 30px 0;
    }

    .banner-headline {
        gap: 12px;
        margin-bottom: 24px;
    }

    .banner-headline h2 {
        font-size: 22px;
        white-space: normal;
        letter-spacing: 0.02em;
    }

    .headline-line {
        width: 32px;
        height: 2px;
    }

    .banner-search input {
        padding: 12px 14px;
        font-size: 14px;
    }

    .banner-search .btn-search {
        padding: 12px 18px;
        font-size: 14px;
        letter-spacing: 1px;
    }

    .banner-tags a {
        margin: 0 6px 6px 0;
        padding: 4px 12px;
    }

    .banner-highlights {
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .highlight-item {
        padding: 8px 14px;
        font-size: 12px;
    }

    /* 区块标题缩小 */
    .section {
        padding: 32px 0;
    }
    .detail-content-section{ padding-top: 0;}

    .section-header {
        flex-wrap: wrap;
        gap: 10px;
    }

    .section-title {
        font-size: 22px;
    }

    /* 精选商标：手机端 2 列、卡片高度自适应（限定首页区块，避免被 list-grid 单列规则覆盖） */
    .trademark-section .trademark-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0px;
        margin-bottom: 15px;
    }

    .trademark-card {
        height: auto;
    }

    .tm-img {
        height: 120px;
    }

    .tm-info {
        padding: 10px 12px;
    }

    .tm-btn {
        padding: 7px 16px;
        width: 100%;
    }
    .patent-meta{
        flex-flow: wrap;
        gap: 6px;
    }
    .patent-meta button{ width: 100%;}
    .patent-icon{ height: 138px;}
    /* 服务流程卡片收紧 */
    .process-step {
        padding: 24px 14px 20px;
    }

    .step-number {
        font-size: 36px;
        margin-bottom: -22px;
    }

    .step-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 12px;
    }

    .process-step h3 {
        font-size: 16px;
    }

    /* 优势单列 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .advantage-item {
        padding: 26px 20px;
    }

    .advantage-icon {
        width: 72px;
        height: 72px;
        margin-bottom: 14px;
    }

    /* 数据统计改竖排 */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .stat-item {
        border-right: none;
        padding: 10px 0;
    }

    .stat-number {
        font-size: 30px;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 14px;
    }

    /* 关于我们 */
    .about-text p {
        font-size: 14px;
        line-height: 1.9;
        margin-bottom: 14px;
    }

    .about-feature {
        padding: 22px 14px;
    }

    .about-feature-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 12px;
    }
    .breadcrumb-bar{
        display: none;
    }

    /* 权威认证 2 列 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .partner-item {
        padding: 20px 10px 24px;
    }

    /* 底部：间距与字号收紧 */
    .footer-main {
        padding: 36px 0 8px;
    }

    .footer-main .container {
        gap: 12px;
    }

    .footer-hotline {
        padding: 18px 16px;
        gap: 14px;
        margin-bottom: 12px;
    }

    .footer-hotline-icon {
        width: 56px;
        height: 56px;
    }

    .footer-hotline-label {
        font-size: 13px;
        gap: 8px;
    }

    .footer-hotline-number {
        font-size: 30px;
    }

    .footer-trust {
        flex-wrap: wrap;
        gap: 10px;
        padding: 8px 0 20px;
    }

    .trust-item {
        padding: 8px 14px;
        font-size: 12px;
        width: calc(50% - 8px);
    }

    .footer-bottom-inner {
        justify-content: center;
        text-align: center;
    }

    /* 回到顶部缩小并内移 */
    .back-to-top {
        right: 16px;
        bottom: 64px;
        width: 42px;
        height: 42px;
    }

    /* 其他页面防破版基础适配（后续逐页细化） */
    .list-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sort-bar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .filter-row {
        flex-wrap: wrap;
        gap: 10px;
    }

    /* 精选商标：筛选改底部弹层（仅首页 tm-filter-panel，list 页不受影响） */
    .tm-filter-bar {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 16px;
        background: var(--white);
        border-radius: 12px;
        box-shadow: var(--shadow-card);
        margin-bottom: 14px;
        cursor: pointer;
        user-select: none;
    }

    .tm-filter-bar svg {
        color: var(--primary);
        flex-shrink: 0;
    }

    .tm-filter-title {
        font-size: 15px;
        font-weight: bold;
        color: var(--text-dark);
        flex: 1;
    }

    .tm-filter-hint {
        font-size: 13px;
        color: var(--text-light);
    }

    .tm-filter-badge {
        min-width: 18px;
        height: 18px;
        padding: 0 5px;
        background: var(--gradient-primary);
        color: #fff;
        border-radius: 999px;
        font-size: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .tm-filter-mask {
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
        z-index: 1100;
    }

    .tm-filter-mask.show {
        opacity: 1;
        visibility: visible;
    }
    .patent-section{
        padding-top: 0;
    }
    .patent-card{
        padding: 10px;
    }
    .patent-btn{
        padding: 8px 18px;
    }

    /* 首页筛选面板：移动端固化为底部弹层（滑入/滑出动画由本块控制） */
    .filter-panel.tm-filter-panel {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        max-height: 78vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 16px 16px 0 0;
        margin: 0;
        padding: 0 16px calc(10px + env(safe-area-inset-bottom, 0px));
        transform: translateY(100%);
        visibility: hidden;
        opacity: 1;
        transition: transform var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
        z-index: 1101;
    }

    .filter-panel.tm-filter-panel.open {
        transform: translateY(0);
        visibility: visible;
    }
    .filter-option,.sbdlbox.filter-options .filter-option{
        width: 30%;
       
        text-align: center;
    }
    .filter-option b{ padding: 5px 6px; width: 100%;border-radius: 10px;}
    .tm-filter-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 0 12px;
        position: sticky;
        top: 0;
        background: var(--white);
        z-index: 2;
    }

    .tm-filter-head span {
        font-size: 16px;
        font-weight: bold;
        color: var(--text-dark);
    }

    .tm-filter-close {
        display: flex;
        padding: 4px;
        background: none;
        border: none;
        cursor: pointer;
        color: var(--text-gray);
    }

    .tm-filter-footer {
        display: flex;
        gap: 12px;
        position: sticky;
        bottom: 0;
        background: var(--white);
        padding: 14px 0 4px;
    }

    .tm-filter-reset,
    .tm-filter-ok {
        flex: 1;
        height: 42px;
        border-radius: 999px;
        font-size: 15px;
        cursor: pointer;
        transition: opacity var(--dur-fast);
    }

    .tm-filter-reset {
        background: var(--white);
        border: 1px solid var(--border-color);
        color: var(--text-body);
    }

    .tm-filter-ok {
        background: var(--gradient-primary);
        border: none;
        color: #fff;
        box-shadow: 0 4px 12px rgba(255, 117, 25, 0.32);
    }

    .tm-filter-reset:active,
    .tm-filter-ok:active {
        opacity: 0.85;
    }

    .filter-label {
        width: 100%;
        padding-top: 0;
        display: flex;
        align-items: center;
        
    }
    .filter-label-note{
        margin-top: 0;
    }
    .filter-search {
        width: 100%;
    }

    .filter-search input {
        width: 100%;
        flex: 1;
    }

    .detail-fields {
        grid-template-columns: 1fr;
    }

    .detail-name {
        font-size: 22px;
    }

    .detail-btn-primary {
        padding: 12px 30px;
        font-size: 15px;
    }

    .detail-anchor-nav {
        gap: 0px;
        overflow-x: auto;
        scrollbar-width: none;
        top: 60px;
        text-align: center;
        padding-bottom: 20px;
    }
    .detail-anchor-nav a {
        flex:1;
        text-align: center;
    }

    .detail-anchor-nav::-webkit-scrollbar {
        display: none;
    }

    .effect-images {
        grid-template-columns: 1fr;
    }

    .transfer-flow {
        flex-wrap: wrap;
        gap: 12px;
    }

    .transfer-step {
        flex: 1 1 40%;
    }

    .promise-grid {
        grid-template-columns: 1fr;
    }

    .promise-grid.cols-3 {
        grid-template-columns: 1fr;
    }

    .similar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .form-flow {
        width: 100%;
        flex-wrap: wrap;
        gap: 10px;
        padding: 14px 16px;
    }

    .cat-modal {
        width: 92%;
        max-width: 92%;
        padding: 22px 18px;
    }
}

/* ---- 小屏手机（<= 480px）---- */
@media (max-width: 480px) {
    .logo-text h1 {
        font-size: 16px;
    }


    .banner-headline h2 {
        font-size: 19px;
    }

    .headline-line {
        display: none;
    }

    .banner-search input {
        padding: 11px 12px;
        font-size: 13px;
    }

    .banner-search .btn-search {
        padding: 11px 14px;
        font-size: 13px;
        letter-spacing: 0;
    }

    .highlight-item {
        padding: 7px 10px;
        gap: 6px;
    }

    /* 精选商标：小屏仍保持一行 2 个 */
    .trademark-section .trademark-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-img {
        height: 160px;
    }

    .partner-item {
        padding: 16px 8px 20px;
    }

    .footer-hotline-number {
        font-size: 26px;
    }
}

/* ========================================
   通用咨询弹窗（商标/专利卡片咨询按钮共用）
   ======================================== */
.consult-mask {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-mid) var(--ease-out), visibility var(--dur-mid);
    z-index: 1200;
}

.consult-mask.show {
    opacity: 1;
    visibility: visible;
}

.consult-modal {
    position: relative;
    width: 660px;
    max-width: 100%;
    background: var(--white);
    border-radius: 18px;
    padding: 34px 36px 30px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    transform: translateY(26px) scale(0.97);
    transition: transform var(--dur-mid) var(--ease-out);
    overflow: hidden;
}

.consult-mask.show .consult-modal {
    transform: translateY(0) scale(1);
}

.consult-close {
    position: absolute;
    right: 16px;
    top: 16px;
    display: flex;
    padding: 6px;
    background: none;
    border: none;
    border-radius: 50%;
    color: var(--text-gray);
    cursor: pointer;
    transition: color var(--dur-fast), background var(--dur-fast);
}

.consult-close:hover {
    color: var(--text-dark);
    background: var(--bg-gray);
}

.consult-body {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* 左侧：表单 */
.consult-form-side {
    flex: 1;
    min-width: 0;
}

.consult-title {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.consult-sub {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 22px;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.consult-field {
    margin-bottom: 14px;
}

.consult-field label {
    display: block;
    font-size: 13px;
    color: var(--text-body);
    margin-bottom: 7px;
}

.consult-field input {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--bg-gray);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    transition: border-color var(--dur-fast), background var(--dur-fast);
}

.consult-field input::placeholder {
    color: var(--text-light);
}

.consult-field input:focus {
    border-color: var(--primary);
    background: var(--white);
}

.consult-error {
    font-size: 12px;
    color: #e53935;
    margin: -4px 0 8px;
}

.consult-submit {
    width: 100%;
    height: 44px;
    font-size: 15px;
    letter-spacing: 3px;
    color: #fff;
    background: var(--gradient-primary);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 5px 16px rgba(255, 117, 25, 0.32);
    transition: opacity var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}

.consult-submit:hover {
    transform: translateY(-1px);
}

.consult-submit:active {
    opacity: 0.88;
}

.consult-tip {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 12px;
}

/* 右侧：微信二维码 */
.consult-qr-side {
    flex-shrink: 0;
    width: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 18px 12px;
    background: linear-gradient(160deg, #fff7f1, #fff0e8);
    border: 1px solid rgba(255, 117, 25, 0.15);
    border-radius: 14px;
}

.consult-qr-img {
    width: 130px;
    height: 130px;
    padding: 6px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(255, 117, 25, 0.14);
    margin-bottom: 12px;
}

.consult-qr-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.consult-qr-text {
    text-align: center;
}

.consult-qr-text p {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.consult-qr-text span {
    font-size: 11px;
    color: var(--text-gray);
    line-height: 1.5;
    display: block;
}

/* 咨询弹窗：手机端上下堆叠，二维码缩小横排 */
@media (max-width: 768px) {
    .consult-modal {
        width: 100%;
        padding: 26px 20px 22px;
        max-height: 88vh;
        overflow-y: auto;
    }

    .consult-body {
        flex-direction: column-reverse;
        gap: 18px;
    }
    .consult-qr-side{
        margin-top: 30px;
    }
    .consult-form-side{
        width: 100%;
    }
    .consult-qr-side {
        width: 100%;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        gap: 14px;
        padding: 12px 14px;
    }

    .consult-qr-img {
        width: 84px;
        height: 84px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .consult-qr-text {
        text-align: left;
    }

    .consult-sub {
        white-space: normal;
    }
    
}

/* ============ 搜索结果条 ============ */
.search-bar {
    background: var(--primary-bg);
    border-bottom: 1px solid rgba(255, 117, 25, 0.16);
    padding: 14px 0;
}

/* 不覆盖 .container 宽度，保证与页面其余块对齐 */
.search-bar-inner {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-label {
    color: var(--text-gray);
    font-size: 14px;
    white-space: nowrap;
}

.search-keyword {
    color: var(--primary);
    font-size: 16px;
    font-weight: bold;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 列表页搜索条：可再次输入的搜索框 + 兜底分类提示 */
.search-form {
    display: flex;
    align-items: center;
    flex: 1;
    gap: 8px;
    max-width: 520px;
}

.search-input {
    flex: 1;
    height: 42px;
    padding: 0 16px;
    border: 1px solid rgba(255, 117, 25, 0.35);
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--white);
    outline: none;
    min-width: 0;
    transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 117, 25, 0.14);
}

.search-go {
    height: 42px;
    padding: 0 26px;
    border: none;
    border-radius: 999px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    white-space: nowrap;
    box-shadow: var(--shadow-card);
    transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}

.search-go:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lift);
}

.search-reset {
    color: var(--primary);
    font-size: 14px;
    text-decoration: none;
    opacity: 0.85;
    transition: opacity var(--dur-fast) var(--ease-out);
    white-space: nowrap;
}

.search-reset:hover {
    opacity: 1;
    text-decoration: underline;
}

/* 模板中本节点已位于 .container 内，不再重复设置宽度与内边距 */
.search-fallback {
    margin: 10px 0 0;
    padding: 8px 14px;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px dashed rgba(255, 117, 25, 0.35);
    color: var(--text-gray);
    font-size: 13px;
}

@media (max-width: 768px) {
    .search-bar-inner {
        flex-wrap: wrap;
    }

    .search-form {
        max-width: 100%;
        flex-basis: 100%;
    }

    .search-go {
        padding: 0 18px;
    }
}