/* =========================================================================
   广州芃源医药科技有限公司 (pengyuan-med.com)
   Main Stylesheet
   Colors: Primary Blue #0B5DA2 | Secondary Green #00A651 | Accent #F5A623
   Font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif
   ========================================================================= */

/* =========================================================================
   1. CSS RESET / NORMALIZE
   ========================================================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333333;
    background-color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

ul, ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    background-color: transparent;
    transition: color 0.25s ease, background-color 0.25s ease;
}

a:hover {
    color: #0B5DA2;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 0;
    vertical-align: middle;
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

figure {
    margin: 0;
}

fieldset {
    border: none;
}

/* =========================================================================
   2. ROOT VARIABLES
   ========================================================================= */
:root {
    --color-primary: #0B5DA2;
    --color-primary-dark: #084577;
    --color-primary-light: #1A75C4;
    --color-secondary: #00A651;
    --color-secondary-dark: #00863F;
    --color-accent: #F5A623;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-lighter: #999999;
    --color-bg-light: #F8F9FA;
    --color-white: #FFFFFF;
    --color-dark: #1a1a2e;
    --color-border: #E5E8EC;
    --container-width: 1200px;
    --header-height: 90px;
    --header-height-mobile: 64px;
    --transition-base: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* =========================================================================
   3. BASE TYPOGRAPHY
   ========================================================================= */
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1em;
    color: var(--color-text-light);
}

strong { font-weight: 700; }

/* =========================================================================
   4. LAYOUT / CONTAINER
   ========================================================================= */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.col {
    padding-left: 15px;
    padding-right: 15px;
}

body {
    padding-top: var(--header-height-mobile);
}

@media (min-width: 768px) {
    body {
        padding-top: calc(36px + var(--header-height-mobile));
    }
}

@media (min-width: 1025px) {
    body {
        padding-top: calc(36px + var(--header-height));
    }
}

/* =========================================================================
   5. UTILITY CLASSES
   ========================================================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.hidden { display: none !important; }
.visible-mobile { display: none; }
.hidden-mobile { display: block; }

@media (max-width: 767px) {
    .visible-mobile { display: block; }
    .hidden-mobile { display: none; }
}

/* spacing utilities */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px !important; }
.mt-2 { margin-top: 16px !important; }
.mt-3 { margin-top: 24px !important; }
.mt-4 { margin-top: 32px !important; }
.mt-5 { margin-top: 48px !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }
.mb-4 { margin-bottom: 32px !important; }
.mb-5 { margin-bottom: 48px !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 8px !important; }
.pt-2 { padding-top: 16px !important; }
.pt-3 { padding-top: 24px !important; }
.pt-4 { padding-top: 32px !important; }
.pt-5 { padding-top: 48px !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 8px !important; }
.pb-2 { padding-bottom: 16px !important; }
.pb-3 { padding-bottom: 24px !important; }
.pb-4 { padding-bottom: 32px !important; }
.pb-5 { padding-bottom: 48px !important; }

.section {
    padding: 60px 0;
}

.section-alt {
    background-color: var(--color-bg-light);
}

@media (max-width: 767px) {
    .section {
        padding: 36px 0;
    }
}

/* Section title with decorative underline (centered) */
.section-title {
    text-align: center;
    margin-bottom: 48px;
    position: relative;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--color-text);
    position: relative;
    display: inline-block;
    padding-bottom: 18px;
    margin-bottom: 8px;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.section-title p {
    color: var(--color-text-lighter);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Section title with left border accent (for About-style sections) */
.section-title-left {
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
    margin-bottom: 24px;
}

.section-title-left h2 {
    font-size: 1.75rem;
    color: var(--color-text);
    margin-bottom: 6px;
}

.section-title-left span {
    color: var(--color-text-lighter);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@media (max-width: 767px) {
    .section-title h2 { font-size: 1.5rem; }
    .section-title-left h2 { font-size: 1.35rem; }
}

/* =========================================================================
   6. BUTTONS
   ========================================================================= */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: center;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-color: var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 44px;
    font-size: 1.05rem;
}

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

/* =========================================================================
   7A. TOP BAR (contact info strip)
   ========================================================================= */
.top-bar {
    background-color: var(--color-primary-dark);
    color: rgba(255,255,255,0.9);
    font-size: 0.8rem;
    line-height: 36px;
    height: 36px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.top-bar-item svg {
    flex-shrink: 0;
}

@media (max-width: 767px) {
    .top-bar {
        display: none;
    }
}

/* =========================================================================
   7B. HEADER / NAVIGATION
   ========================================================================= */
.site-header {
    position: fixed;
    top: 36px;
    left: 0;
    width: 100%;
    height: var(--header-height-mobile);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

@media (max-width: 767px) {
    .site-header {
        top: 0;
    }
}

@media (min-width: 1025px) {
    .site-header {
        height: var(--header-height);
    }
}

.site-header .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header .logo {
    display: block;
    width: 200px;
    height: 50px;
}

@media (min-width: 1025px) {
    .site-header .logo {
        width: 240px;
        height: 60px;
    }
}

.site-header .logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Main nav */
.main-nav {
    display: none;
}

@media (min-width: 1025px) {
    .main-nav {
        display: flex;
        align-items: center;
        height: 100%;
    }

    .main-nav > ul {
        display: flex;
        align-items: center;
        height: 100%;
    }

    .main-nav > ul > li {
        position: relative;
        height: 100%;
    }

    .main-nav > ul > li > a {
        display: flex;
        align-items: center;
        height: 100%;
        padding: 0 15px;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--color-text);
        position: relative;
        white-space: nowrap;
    }

    .main-nav > ul > li > a::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 3px;
        background-color: var(--color-primary);
        transition: width 0.25s ease;
    }

    .main-nav > ul > li:hover > a,
    .main-nav > ul > li.active > a {
        color: var(--color-primary);
    }

    .main-nav > ul > li:hover > a::after,
    .main-nav > ul > li.active > a::after {
        width: 60%;
    }

    /* Dropdown submenu */
    .main-nav .sub-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        min-width: 180px;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        border-radius: var(--radius-sm);
        padding: 8px 0;
        opacity: 0;
        visibility: hidden;
        transform: translateX(-50%) translateY(10px);
        transition: var(--transition-base);
        z-index: 100;
    }

    .main-nav li:hover .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

    .main-nav .sub-menu:not(:has(li)) {
        display: none !important;
    }

    .main-nav .sub-menu li a {
        display: block;
        padding: 10px 20px;
        font-size: 0.9rem;
        color: var(--color-text);
        white-space: nowrap;
    }

    .main-nav .sub-menu li a:hover {
        background-color: var(--color-bg-light);
        color: var(--color-primary);
    }
}

/* Mobile hamburger */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    z-index: 1100;
}

@media (min-width: 1025px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1),
.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3),
.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile slide-down menu */
@media (max-width: 1024px) {
    .main-nav {
        display: block;
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        transition: max-height 0.35s ease;
    }

    .main-nav.active,
    .nav-open .main-nav {
        max-height: 500px;
        overflow-y: auto;
    }

    .main-nav > ul > li {
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav > ul > li > a {
        display: block;
        padding: 14px 24px;
        font-size: 1rem;
        color: var(--color-text);
    }

    .main-nav > ul > li.active > a,
    .main-nav > ul > li > a:hover {
        color: var(--color-primary);
        background-color: var(--color-bg-light);
    }

    .main-nav .sub-menu {
        background-color: var(--color-bg-light);
    }

    .main-nav .sub-menu li a {
        display: block;
        padding: 10px 40px;
        font-size: 0.9rem;
        color: var(--color-text-light);
    }

    .nav-search {
        padding: 12px 24px;
        border-top: 1px solid var(--color-border);
    }
}

/* Nav search form */
.nav-search .search-form {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    height: 34px;
}

.nav-search .search-input {
    border: none;
    outline: none;
    padding: 0 10px;
    font-size: 0.85rem;
    width: 120px;
    height: 100%;
    background: transparent;
}

.nav-search .search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 100%;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}

.nav-search .search-btn:hover {
    background-color: var(--color-primary-dark);
}

/* =========================================================================
   8. BANNER / SLIDER SECTION
   ========================================================================= */
.banner-slider {
    position: relative;
    width: 100%;
    height: 40vw;
    min-height: 120px;
    overflow: hidden;
    background-color: var(--color-bg-light);
}

@media (min-width: 769px) {
    .banner-slider {
        height: 500px;
    }
}

@media (min-width: 1025px) {
    .banner-slider {
        height: 600px;
    }
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

@media (max-width: 768px) {
    .slide img {
        object-position: center center;
    }
}

.slide-link {
    display: block;
    width: 100%;
    height: 100%;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(11, 93, 162, 0.6) 0%, rgba(11, 93, 162, 0.1) 60%, transparent 100%);
    display: flex;
    align-items: center;
    padding-top: calc(36px + var(--header-height));
    z-index: 2;
}

.slide-overlay .container {
    color: var(--color-white);
}

.slide-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

@media (min-width: 1025px) {
    .slide-title {
        font-size: 2rem;
        margin-bottom: 24px;
    }
}

/* Dot indicators */
.slider-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 6;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255,255,255,0.8);
    cursor: pointer;
    transition: var(--transition-base);
    padding: 0;
}

.slider-dot.active,
.slider-dot:hover {
    background-color: var(--color-white);
    transform: scale(1.2);
}

/* Prev/next arrows */
.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 6;
    transition: var(--transition-base);
    border: none;
    padding: 0;
}

.slider-prev:hover,
.slider-next:hover {
    background-color: rgba(255, 255, 255, 0.6);
    color: var(--color-primary-dark);
}

.slider-prev { left: 20px; }
.slider-next { right: 20px; }

@media (max-width: 767px) {
    .slider-prev,
    .slider-next {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* =========================================================================
   9. ABOUT SECTION
   ========================================================================= */
.about-section {
    padding: 60px 0;
}

.about-flex {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
}

@media (min-width: 768px) {
    .about-flex {
        flex-direction: row;
        gap: 48px;
        align-items: stretch;
    }
}

.about-text {
    flex: 1 1 50%;
}

.about-text p {
    margin-bottom: 16px;
    line-height: 1.9;
}

.about-stats {
    display: flex;
    gap: 24px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.about-stats .stat-item {
    text-align: center;
}

.about-stats .stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.about-stats .stat-label {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
    margin-top: 4px;
}

.about-image {
    flex: 1 1 50%;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
}

/* =========================================================================
   10. SERVICES SECTION (核心业务)
   ========================================================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 24px;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
}

.service-card {
    background-color: var(--color-white);
    border-top: 3px solid transparent;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-primary);
}

.service-card .icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.75rem;
    transition: var(--transition-base);
}

.service-card:hover .icon {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    transform: rotate(8deg) scale(1.05);
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    color: var(--color-text);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* =========================================================================
   11. STATISTICS / NUMBERS SECTION
   ========================================================================= */
.stats-section {
    background-color: var(--color-primary);
    background-image: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-block {
    position: relative;
}

.stat-block:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -16px;
    top: 10%;
    height: 80%;
    width: 1px;
    background-color: rgba(255, 255, 255, 0.2);
    display: none;
}

@media (min-width: 768px) {
    .stat-block:not(:last-child)::after {
        display: block;
    }
}

.stat-block .number {
    font-size: 2.25rem;
    font-weight: 700;
    display: inline-flex;
    align-items: baseline;
    gap: 2px;
}

@media (min-width: 1025px) {
    .stat-block .number {
        font-size: 3rem;
    }
}

.stat-block .number .suffix {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.stat-block .label {
    margin-top: 10px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}

/* =========================================================================
   12. ADVANTAGES SECTION (竞争优势)
   ========================================================================= */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1px;
    background-color: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.advantage-item {
    background-color: var(--color-white);
    padding: 36px 28px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: var(--transition-base);
}

.advantage-item:nth-child(even) {
    background-color: var(--color-bg-light);
}

.advantage-item:hover {
    background-color: #EEF6FF;
}

.advantage-item .icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(0, 166, 81, 0.12);
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.advantage-item .content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.advantage-item .content p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* =========================================================================
   13. NEWS SECTION
   ========================================================================= */
.news-columns {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

@media (min-width: 768px) {
    .news-columns {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

.news-column-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 14px;
    margin-bottom: 8px;
}

.news-column-header h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    position: relative;
    padding-left: 14px;
}

.news-column-header h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.news-column-header .more-link {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
}

.news-column-header .more-link:hover {
    color: var(--color-primary);
}

.news-list li {
    border-bottom: 1px dashed var(--color-border);
}

.news-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    font-size: 0.95rem;
    color: var(--color-text);
}

.news-list li a::before {
    content: "\2022";
    color: var(--color-secondary);
    margin-right: 8px;
}

.news-list li a .news-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-list li a .news-date {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--color-text-lighter);
}

.news-list li a:hover .news-title {
    color: var(--color-primary);
}

.news-list li a:hover {
    padding-left: 4px;
}

/* =========================================================================
   14. COLLABORATION PROCESS SECTION (合作流程)
   ========================================================================= */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

@media (min-width: 1025px) {
    .process-flow {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
}

.process-step {
    position: relative;
    flex: 1;
    text-align: center;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-step .step-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.process-step h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.process-step p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Connecting line - desktop horizontal */
@media (min-width: 1025px) {
    .process-step:not(:last-child)::after {
        content: "";
        position: absolute;
        top: 56px;
        left: calc(50% + 40px);
        width: calc(100% - 80px);
        height: 2px;
        background-image: linear-gradient(90deg, var(--color-primary) 50%, transparent 50%);
        background-size: 10px 2px;
        z-index: 1;
    }

    .process-step:not(:last-child)::before {
        content: "\25B8";
        position: absolute;
        top: 44px;
        right: -6px;
        color: var(--color-primary);
        font-size: 1.5rem;
        z-index: 2;
    }
}

/* Connecting line - mobile vertical */
@media (max-width: 1024px) {
    .process-step {
        flex-direction: row;
        text-align: left;
        gap: 20px;
        padding: 16px 8px;
    }

    .process-step .step-circle {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .process-step:not(:last-child) {
        position: relative;
    }

    .process-step:not(:last-child)::after {
        content: "";
        position: absolute;
        left: 31px;
        top: 64px;
        width: 2px;
        height: calc(100% - 48px);
        background-image: linear-gradient(180deg, var(--color-primary) 50%, transparent 50%);
        background-size: 2px 10px;
    }
}

/* =========================================================================
   15. FOOTER
   ========================================================================= */
.site-footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.75);
    padding-top: 56px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 16px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about,
.footer-contact,
.footer-qrcode {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 24px;
    }
}

@media (min-width: 1025px) {
    .footer-grid {
        grid-template-columns: 1.8fr 0.8fr 0.8fr 1.4fr 0.7fr;
        gap: 24px;
    }
    .footer-about,
    .footer-contact,
    .footer-qrcode {
        grid-column: auto;
    }
}

.footer-about {
    min-width: 0;
    word-break: break-all;
}

.footer-contact-list li {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.5;
    word-break: break-all;
}

.footer-contact-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1.05rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-col.company-info p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links li a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
}

.footer-links li a:hover {
    color: var(--color-secondary);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.footer-contact li i,
.footer-contact li .icon {
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    background-color: var(--color-white);
    padding: 6px;
    border-radius: var(--radius-sm);
    margin: 0 auto 10px;
}

.footer-qrcode p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.55);
}

.footer-desc {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
}

.footer-credit {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 8px;
}

.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-bar {
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-links-bar span {
    color: rgba(255, 255, 255, 0.5);
}

.footer-links-bar a {
    color: rgba(255, 255, 255, 0.4);
    margin: 0 8px;
    text-decoration: none;
}

.footer-links-bar a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
    margin-bottom: 4px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a:hover {
    color: var(--color-secondary);
}

@media (min-width: 768px) {
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

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

/* =========================================================================
   16. INNER PAGES - BREADCRUMB
   ========================================================================= */
.page-banner {
    height: 200px;
    background-color: var(--color-primary);
    background-image: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    position: relative;
}

.page-banner h1 {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

@media (min-width: 1025px) {
    .page-banner {
        height: 260px;
    }

    .page-banner h1 {
        font-size: 2.25rem;
    }
}

.breadcrumb {
    background-color: var(--color-bg-light);
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb ul {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.88rem;
    color: var(--color-text-lighter);
}

.breadcrumb ul li {
    display: flex;
    align-items: center;
}

.breadcrumb ul li:not(:last-child)::after {
    content: "\203A";
    margin: 0 10px;
    color: var(--color-text-lighter);
}

.breadcrumb ul li a {
    color: var(--color-text-light);
}

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

.breadcrumb ul li.active {
    color: var(--color-primary);
}

.breadcrumb ul li .icon-home {
    margin-right: 4px;
}

/* =========================================================================
   17. INNER PAGES - SIDEBAR + CONTENT LAYOUT
   ========================================================================= */
.inner-layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: 48px 0;
}

@media (min-width: 1025px) {
    .inner-layout {
        flex-direction: row;
        align-items: flex-start;
        gap: 40px;
    }
}

.sidebar {
    width: 100%;
}

@media (min-width: 1025px) {
    .sidebar {
        width: 250px;
        flex-shrink: 0;
        position: sticky;
        top: calc(var(--header-height) + 20px);
    }
}

.sidebar-widget {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    overflow: hidden;
}

.sidebar-widget .widget-title {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 16px 20px;
    font-size: 1.1rem;
    font-weight: 700;
}

.sidebar-nav li {
    border-bottom: 1px solid var(--color-border);
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    font-size: 0.95rem;
    color: var(--color-text);
}

.sidebar-nav li a::after {
    content: "\203A";
    color: var(--color-text-lighter);
}

.sidebar-nav li a:hover,
.sidebar-nav li.active a {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    padding-left: 26px;
}

.sidebar-nav li.active a {
    border-left: 3px solid var(--color-primary);
    padding-left: 17px;
    font-weight: 700;
}

.sidebar-contact {
    padding: 20px;
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

.sidebar-contact strong {
    color: var(--color-text);
}

.main-content {
    flex: 1;
    min-width: 0;
}

/* Article typography */
.article {
    background-color: var(--color-white);
}

.article-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--color-text-lighter);
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-body {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-text-light);
}

.article-body h2 {
    font-size: 1.3rem;
    color: var(--color-text);
    margin: 32px 0 16px;
}

.article-body h3 {
    font-size: 1.15rem;
    color: var(--color-text);
    margin: 24px 0 12px;
}

.article-body p {
    margin-bottom: 18px;
}

.article-body img {
    border-radius: var(--radius-sm);
    margin: 20px auto;
}

.article-body ul,
.article-body ol {
    margin: 0 0 18px 24px;
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body blockquote {
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-bg-light);
    padding: 16px 20px;
    margin: 20px 0;
    color: var(--color-text-light);
    font-style: italic;
}

.article-body table {
    margin: 20px 0;
    border: 1px solid var(--color-border);
}

.article-body table th,
.article-body table td {
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    font-size: 0.92rem;
}

.article-body table th {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

.article-footer {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.article-nav-link {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.article-nav-link a:hover {
    color: var(--color-primary);
}

/* Article list (for list pages) */
.article-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--color-border);
}

.article-list li a.title {
    flex: 1;
    font-size: 1rem;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-list li a.title:hover {
    color: var(--color-primary);
}

.article-list li .date {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--color-text-lighter);
}

/* Card-style grid list (e.g. products) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 24px;
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.content-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.content-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.content-card .thumb {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.content-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.content-card:hover .thumb img {
    transform: scale(1.08);
}

.content-card .card-body {
    padding: 18px 20px;
}

.content-card .card-body h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--color-text);
}

.content-card .card-body p {
    font-size: 0.88rem;
    color: var(--color-text-light);
}

/* =========================================================================
   18. PAGINATION
   ========================================================================= */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text);
}

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

.pagination .current {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.pagination .disabled {
    color: var(--color-text-lighter);
    cursor: not-allowed;
    opacity: 0.5;
}

/* =========================================================================
   19. CONTACT PAGE
   ========================================================================= */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .contact-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-base);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.contact-card .icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background-color: rgba(11, 93, 162, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--color-text);
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-map {
    width: 100%;
    height: 320px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 48px;
    border: 1px solid var(--color-border);
}

.contact-map iframe,
.contact-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Contact form */
.contact-form-wrap {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 1025px) {
    .contact-form-wrap {
        flex-direction: row;
    }

    .contact-form-wrap .form-col {
        flex: 1 1 60%;
    }

    .contact-form-wrap .info-col {
        flex: 1 1 40%;
    }
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.92rem;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group label .required {
    color: #e74c3c;
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 93, 162, 0.12);
}

.form-control::placeholder {
    color: var(--color-text-lighter);
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23999999' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px;
    padding-right: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-error {
    color: #e74c3c;
    font-size: 0.82rem;
    margin-top: 6px;
    display: none;
}

.form-control.is-invalid {
    border-color: #e74c3c;
}

.form-control.is-invalid ~ .form-error {
    display: block;
}

.form-success {
    background-color: rgba(0, 166, 81, 0.1);
    color: var(--color-secondary-dark);
    border: 1px solid rgba(0, 166, 81, 0.3);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

/* CMS form table (dynamic fields from {$fields}) */
.form-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
}

.form-table tr td {
    padding: 10px 0;
    vertical-align: top;
}

.form-table tr td:first-child {
    width: 90px;
    padding-top: 18px;
    padding-right: 8px;
    font-size: 0.92rem;
    color: var(--color-text);
    font-weight: 500;
    white-space: nowrap;
    text-align: right;
}

.form-table .txt,
.form-table input[type="text"] {
    width: 100% !important;
    max-width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    box-sizing: border-box;
}

.form-table .txt:focus,
.form-table input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 93, 162, 0.12);
}

.form-table textarea {
    width: 100%;
    max-width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
    box-sizing: border-box;
    resize: vertical;
    min-height: 140px;
}

.form-table textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 93, 162, 0.12);
}

.form-table #verifycode {
    width: 140px !important;
    display: inline-block;
    vertical-align: middle;
}

.form-table .codeimage {
    vertical-align: middle;
    margin-left: 10px;
    cursor: pointer;
    height: 42px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.form-table .required {
    color: #e74c3c;
}

.contact-form-wrapper {
    padding: 24px 0;
}

/* =========================================================================
   MOBILE HOMEPAGE OPTIMIZATION
   ========================================================================= */
@media (max-width: 767px) {
    /* Reduce section spacing */
    .section {
        padding: 28px 0;
    }

    .section-title {
        margin-bottom: 24px;
    }

    .section-title h2 {
        font-size: 1.3rem;
        padding-bottom: 12px;
    }

    .section-title p {
        font-size: 0.8rem;
    }

    /* About section - tighter */
    .about-section {
        padding: 28px 0;
    }

    .about-text p {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .about-image img {
        max-height: 200px;
        object-fit: cover;
    }

    /* Services grid - 2 columns on mobile */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .service-card {
        padding: 20px 12px;
    }

    .service-card .icon {
        width: 44px;
        height: 44px;
        margin-bottom: 12px;
    }

    .service-card .icon svg {
        width: 22px;
        height: 22px;
    }

    .service-card h3 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .service-card p {
        font-size: 0.78rem;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .service-card .btn {
        font-size: 0.75rem !important;
        padding: 4px 10px !important;
        margin-top: 8px !important;
    }

    /* Stats section - compact */
    .stats-section {
        padding: 24px 0;
    }

    .stats-grid {
        gap: 16px;
    }

    .stat-block .number {
        font-size: 1.75rem;
    }

    .stat-block .label {
        font-size: 0.8rem;
        margin-top: 4px;
    }

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

    .advantage-item {
        padding: 16px 12px;
        gap: 10px;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .advantage-item .icon {
        width: 36px;
        height: 36px;
    }

    .advantage-item .icon svg {
        width: 18px;
        height: 18px;
    }

    .advantage-item .content h3 {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }

    .advantage-item .content p {
        font-size: 0.78rem;
        line-height: 1.5;
    }

    /* News - compact list */
    .news-columns {
        gap: 20px;
    }

    .news-column-header {
        padding-bottom: 10px;
        margin-bottom: 4px;
    }

    .news-column-header h3 {
        font-size: 1.05rem;
    }

    .news-list li a {
        padding: 10px 0;
        font-size: 0.88rem;
    }

    .news-list li:nth-child(n+5) {
        display: none;
    }

    .news-list li a .news-date {
        font-size: 0.75rem;
    }

    /* Process - tighter vertical */
    .process-step {
        padding: 10px 8px;
        gap: 14px;
    }

    .process-step .step-circle {
        width: 40px;
        height: 40px;
        font-size: 0.85rem;
    }

    .process-step h3 {
        font-size: 0.95rem;
        margin-bottom: 2px;
    }

    .process-step p {
        font-size: 0.82rem;
    }

    /* Footer - tighter */
    .site-footer {
        padding-top: 32px;
    }

    .footer-grid {
        gap: 24px;
        padding-bottom: 24px;
    }

    .footer-desc {
        font-size: 0.82rem;
        -webkit-line-clamp: 3;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .footer-qrcode img {
        width: 90px;
        height: 90px;
    }
}

/* =========================================================================
   20. BACK TO TOP
   ========================================================================= */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    z-index: 900;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

/* =========================================================================
   21. FLOATING SIDE TOOLBAR (contact / QQ / wechat quick links)
   ========================================================================= */
.side-toolbar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 900;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

@media (min-width: 1025px) {
    .side-toolbar {
        display: flex;
    }
}

.side-toolbar .toolbar-item {
    position: relative;
    width: 56px;
    height: 56px;
    background-color: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.side-toolbar .toolbar-item:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.side-toolbar .toolbar-item .tooltip {
    position: absolute;
    right: 100%;
    top: 0;
    margin-right: 10px;
    padding: 10px 14px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-size: 0.85rem;
    color: var(--color-text);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-base);
}

.side-toolbar .toolbar-item:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* =========================================================================
   22. ANIMATIONS
   ========================================================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Fade-in-on-scroll: JS toggles ".is-visible" when element enters viewport */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.7s ease;
}

.fade-in.is-visible {
    opacity: 1;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.is-visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for grid/list children animation */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Counter animation readiness - number ticks up via JS, this just styles it */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

.counter-spin {
    animation: spin 1s linear infinite;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Loading spinner */
.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 40px auto;
}

/* Smooth hover transitions applied broadly */
a, button, .btn, .service-card, .content-card, .advantage-item,
.sidebar-nav li a, .footer-links li a, .contact-card, .process-step .step-circle {
    transition: var(--transition-base);
}

/* =========================================================================
   23. SCROLLBAR (webkit)
   ========================================================================= */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* =========================================================================
   24. RESPONSIVE HELPERS / TABLE OVERFLOW
   ========================================================================= */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Print styles */
@media print {
    .site-header,
    .slider-prev,
    .slider-next,
    .slider-dots,
    .side-toolbar,
    .back-to-top,
    .site-footer,
    .nav-toggle {
        display: none !important;
    }

    body {
        padding-top: 0;
    }

    a {
        color: var(--color-text);
        text-decoration: underline;
    }
}