:root {
    --green: #78d11f;
    --green-deep: #57b017;
    --orange: #ff6a2a;
    --yellow: #ffc729;
    --ink: #0f2240;
    --text: #2f3440;
    --muted: #6e7788;
    --line: #e8ebef;
    --paper: #fffef8;
    --tint: linear-gradient(90deg, rgba(244, 248, 223, 0.96) 0%, rgba(254, 249, 223, 0.96) 50%, rgba(238, 248, 224, 0.96) 100%);
    --shadow: 0 14px 34px rgba(15, 34, 64, 0.08);
    --radius: 24px;
    --radius-sm: 16px;
    --container: 1220px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    color: var(--text);
    font: 16px/1.7 "Microsoft YaHei", "PingFang SC", sans-serif;
    background: #ffffff;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: 0;
    background: transparent;
    cursor: pointer;
}

textarea {
    resize: vertical;
}

ul {
    list-style: none;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(224, 230, 237, 0.9);
    box-shadow: 0 10px 24px rgba(15, 34, 64, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 86px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    height: 80px;
}

.brand img {
    width: auto;
    height: 80px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex: 1;
    justify-content: center;
    margin: 0 auto;
}

.site-nav a {
    position: relative;
    padding: 10px 0;
    color: #4c596b;
    font-size: 17px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 3px;
    border-radius: 999px;
    background: var(--green);
    opacity: 0;
    transform: scaleX(0.5);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--green-deep);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
    opacity: 1;
    transform: scaleX(1);
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.header-phone {
    color: var(--orange);
    font-size: 16px;
    font-weight: 700;
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 16px;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid rgba(225, 231, 238, 0.95);
    box-shadow: 0 8px 20px rgba(15, 34, 64, 0.08);
    color: var(--ink);
    font-size: 20px;
}

.mobile-nav {
    display: none;
    padding: 0 0 16px;
}

.mobile-nav.is-open {
    display: block;
    margin-top: 10px;
    padding: 10px 0 8px;
    border-top: 1px solid rgba(225, 231, 238, 0.95);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: none;
}

.mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 14px;
    border: 0;
    border-bottom: 1px solid rgba(232, 235, 239, 0.95);
    border-radius: 0;
    background: transparent;
    color: var(--ink);
    font-weight: 700;
    transition: background 0.2s ease, color 0.2s ease;
}

.mobile-nav a:hover,
.mobile-nav a.is-active {
    background: rgba(120, 209, 31, 0.08);
    color: var(--green-deep);
}

@media (min-width: 961px) {
    .mobile-nav,
    .mobile-nav.is-open {
        display: none !important;
    }
}

.breadcrumb-bar {
    padding: 10px 0 0;
    background: transparent;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 15px;
}

.breadcrumb a {
    color: var(--green-deep);
    font-weight: 700;
}

.breadcrumb a:last-child,
.breadcrumb span:last-child {
    color: var(--ink);
}

.breadcrumb-bar + .section,
.breadcrumb-bar + .detail-wrap {
    padding-top: 34px;
}

.hero {
    padding: 0;
}

.hero-card {
    position: relative;
    overflow: hidden;
    border-radius: 0;
    box-shadow: none;
    background: #f7f9f1;
}

.hero-card img {
    width: 100%;
    height: clamp(360px, 46vw, 620px);
    object-fit: cover;
    object-position: center center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    padding: 0 28px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 12px 24px rgba(120, 209, 31, 0.22);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn--green {
    background: linear-gradient(180deg, #83de22 0%, var(--green-deep) 100%);
}

.btn--orange {
    background: linear-gradient(180deg, #ff8751 0%, var(--orange) 100%);
    box-shadow: 0 12px 24px rgba(255, 106, 42, 0.22);
}

.btn--outline {
    color: var(--ink);
    border: 2px solid rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 10px 22px rgba(15, 34, 64, 0.1);
}

.btn--light {
    background: #fff;
    color: var(--green-deep);
    box-shadow: none;
}

.section {
    padding: 72px 0;
}

.section--tint {
    background: var(--tint);
}

.section-head {
    text-align: center;
    margin-bottom: 38px;
}

.section-head h2,
.page-banner h1,
.detail-title {
    font-size: clamp(34px, 4vw, 58px);
    line-height: 1.15;
    color: var(--ink);
    letter-spacing: 0;
}

.section-head h2 span,
.page-banner h1 span,
.detail-title span {
    color: var(--green);
}

.section-head p,
.page-banner p,
.page-intro,
.meta-copy {
    margin-top: 14px;
    color: var(--muted);
    font-size: 20px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #ffd53e 0%, #f5b60c 100%);
    color: #fff;
    font-weight: 700;
    margin-bottom: 18px;
}

.page-banner {
    background: var(--tint);
    padding: 58px 0 56px;
    text-align: center;
}

.page-banner--with-card {
    padding-bottom: 22px;
}

.page-banner .narrow,
.narrow {
    max-width: 900px;
    margin: 0 auto;
}

.section-head--compact {
    margin-bottom: 30px;
}

.section-head--compact h2 {
    font-size: clamp(30px, 3.6vw, 50px);
}

.section-head--compact p {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    font-size: 18px;
}

.mode-hero {
    position: relative;
    overflow: hidden;
    padding: 84px 0 78px;
    text-align: center;
}

.mode-hero::before,
.mode-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.mode-hero::before {
    width: 360px;
    height: 360px;
    top: -160px;
    left: max(20px, calc(50% - 660px));
    background: radial-gradient(circle, rgba(120, 209, 31, 0.2) 0%, rgba(120, 209, 31, 0) 72%);
}

.mode-hero::after {
    width: 300px;
    height: 300px;
    right: max(20px, calc(50% - 620px));
    bottom: -120px;
    background: radial-gradient(circle, rgba(255, 199, 41, 0.22) 0%, rgba(255, 199, 41, 0) 72%);
}

.mode-hero .container {
    position: relative;
    z-index: 1;
}

.mode-hero h1 {
    font-size: clamp(38px, 5vw, 70px);
    line-height: 1.08;
    color: var(--ink);
}

.mode-hero h1 span {
    color: var(--green);
}

.mode-hero p {
    max-width: 720px;
    margin: 16px auto 0;
    color: var(--muted);
    font-size: 20px;
}

.banner-note-card {
    margin-top: 28px;
    text-align: left;
}

.banner-note-card p:first-child {
    margin-top: 0;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.store-model-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.model-card {
    overflow: hidden;
    height: 100%;
    border: 1px solid rgba(226, 232, 224, 0.92);
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.model-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 42px rgba(15, 34, 64, 0.12);
    border-color: rgba(120, 209, 31, 0.32);
}

.model-card--accent {
    background: linear-gradient(180deg, #ffffff 0%, #fbfdf4 100%);
}

.model-card--yellow {
    border-color: rgba(255, 199, 41, 0.5);
}

.model-media {
    position: relative;
    overflow: hidden;
    background: #f5f7f1;
}

.model-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.28s ease;
}

.model-card:hover .model-media img {
    transform: scale(1.04);
}

.model-tag {
    position: absolute;
    top: 18px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    background: linear-gradient(180deg, #83de22 0%, #57af17 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(87, 176, 23, 0.24);
}

.model-tag--orange {
    background: linear-gradient(180deg, #ff8d5a 0%, #ff6a2a 100%);
    box-shadow: 0 10px 24px rgba(255, 106, 42, 0.24);
}

.model-tag--yellow {
    background: linear-gradient(180deg, #ffd754 0%, #f3b500 100%);
    color: #503b00;
    box-shadow: 0 10px 24px rgba(243, 181, 0, 0.24);
}

.model-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 26px 24px 28px;
}

.model-topline {
    display: flex;
    align-items: center;
    gap: 14px;
}

.model-topline h3 {
    font-size: 26px;
    line-height: 1.2;
    color: var(--ink);
}

.model-topline p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 15px;
}

.model-icon {
    width: 58px;
    height: 58px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #7dd620 0%, #58af17 100%);
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    flex: 0 0 auto;
    box-shadow: 0 12px 24px rgba(88, 175, 23, 0.2);
}

.model-icon--yellow {
    background: linear-gradient(180deg, #ffd754 0%, #f3b500 100%);
    color: #4f3a00;
    box-shadow: 0 12px 24px rgba(243, 181, 0, 0.22);
}

.model-area {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    width: fit-content;
    max-width: 100%;
    padding: 0 18px;
    border-radius: 999px;
    background: #f3f8e8;
    color: var(--green-deep);
    font-weight: 700;
}

.model-desc {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.75;
}

.model-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.model-points li {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    background: #fff8e9;
    color: #9a6300;
    font-weight: 700;
}

.model-points li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 10px;
    background: currentColor;
    opacity: 0.5;
}

.model-points--yellow li {
    background: #fff4cd;
    color: #7f5f00;
}

.store-gallery-section {
    overflow: hidden;
}

.gallery-wall {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.gallery-shot {
    overflow: hidden;
    border-radius: 22px;
    box-shadow: var(--shadow);
    background: #f5f7f1;
}

.gallery-shot img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.28s ease;
}

.gallery-shot:hover img {
    transform: scale(1.04);
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.choice-card {
    padding: 34px 32px;
    border-radius: 28px;
    background: #f6faeb;
    box-shadow: var(--shadow);
    border: 1px solid rgba(120, 209, 31, 0.18);
}

.choice-card--warm {
    background: #fff7e8;
    border-color: rgba(255, 106, 42, 0.16);
}

.choice-card h3 {
    font-size: 28px;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 20px;
}

.choice-card .model-points li {
    min-height: 46px;
    background: rgba(255, 255, 255, 0.9);
}

.hover-card,
.media-card,
.news-card,
.store-card,
.case-card,
.advantage-card {
    transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.hover-card:hover,
.media-card:hover,
.news-card:hover,
.store-card:hover,
.case-card:hover,
.advantage-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 42px rgba(15, 34, 64, 0.12);
}

.split {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 42px;
    align-items: center;
}

.split--about {
    align-items: stretch;
}

.about-media-column {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.copy-block p + p {
    margin-top: 18px;
}

.about-copy p {
    font-size: 18px;
}

.about-copy {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.about-copy p:first-of-type {
    margin-top: 18px;
}

.about-copy .feature-list {
    margin-top: auto;
    padding-top: 20px;
}

.about-copy .feature-item h3 {
    font-size: 16px;
    line-height: 1.25;
    margin-bottom: 2px;
}

.about-copy .feature-item > div {
    padding-top: 4px;
}

.about-copy .feature-item p {
    font-size: 14px;
    line-height: 1.35;
    margin-top: 0;
}

.text-green {
    color: var(--green);
    font-weight: 700;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 28px;
    margin-top: 28px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.feature-icon,
.round-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    flex: 0 0 52px;
    background: linear-gradient(180deg, #7cd520 0%, var(--green-deep) 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
}

.metric-strip--about {
    margin-top: 0;
}

.metric {
    border-radius: 24px;
    color: #fff;
    text-align: center;
    padding: 28px 18px;
    box-shadow: 0 18px 34px rgba(120, 209, 31, 0.18);
}

.metric strong {
    display: block;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1;
    margin-bottom: 10px;
}

.metric--green { background: linear-gradient(180deg, #79d220 0%, #54b013 100%); }
.metric--yellow { background: linear-gradient(180deg, #ffc934 0%, #f5b100 100%); color: #4f3a00; }
.metric--orange { background: linear-gradient(180deg, #ff844d 0%, #ff6124 100%); }

.advantage-card {
    overflow: hidden;
}

.advantage-card .media,
.product-card .media,
.news-card .media,
.case-card .media,
.store-card .media {
    position: relative;
    overflow: hidden;
}

.advantage-card img,
.product-card img,
.news-card img,
.case-card img,
.store-card img {
    width: 100%;
    transition: transform 0.28s ease;
}

.news-card:hover img,
.store-card:hover img,
.case-card:hover img,
.advantage-card:hover img,
.product-card:hover img {
    transform: scale(1.05);
}

.media-badge,
.media-tag,
.pill {
    position: absolute;
    top: 16px;
    right: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    color: #fff;
    font-weight: 700;
    background: var(--orange);
    z-index: 2;
}

.pill--green,
.media-badge--green { background: linear-gradient(180deg, #7bd51f 0%, #57af17 100%); }
.pill--yellow,
.media-badge--yellow { background: linear-gradient(180deg, #ffd84d 0%, #f5b500 100%); color: #4f3a00; }
.pill--orange,
.media-badge--orange { background: linear-gradient(180deg, #ff8b55 0%, var(--orange) 100%); }

.overlay-label {
    position: absolute;
    left: 18px;
    bottom: 18px;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(15, 34, 64, 0.72);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

.card-body h3,
.card-body h4 {
    color: var(--ink);
    line-height: 1.35;
}

.card-body p {
    color: var(--muted);
    margin-top: 10px;
}

.center-actions {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 38px;
}

.store-grid img,
.news-card img,
.case-card img,
.advantage-card img,
.product-card img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.news-card .meta,
.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
    margin-top: 16px;
}

.news-card-button {
    display: block;
    width: 100%;
    color: inherit;
    text-align: left;
}

.news-page-hidden,
.news-detail-hidden,
.news-article-hidden,
.product-article-hidden {
    display: none;
}

.news-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.news-page-number-list {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.news-page-btn {
    min-width: 54px;
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid #dbe1cc;
    border-radius: 14px;
    background: #fffdf4;
    color: var(--ink);
    font-weight: 700;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.news-pagination a,
.news-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 54px;
    min-height: 46px;
    padding: 0 18px;
    border: 1px solid #dbe1cc;
    border-radius: 14px;
    background: #fffdf4;
    color: var(--ink);
    font-weight: 700;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.news-pagination a:hover,
.news-pagination span {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.news-page-btn:hover,
.news-page-btn.is-current {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.news-page-btn.is-disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.news-back-button {
    border: 0;
    background: transparent;
    padding: 0;
}

.news-article-block + .news-article-block {
    margin-top: 0;
}

.product-article-block + .product-article-block {
    margin-top: 0;
}

.news-highlight {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 34px;
}

.news-highlight .item {
    padding: 34px 30px;
    border-radius: 26px;
    color: #fff;
    box-shadow: var(--shadow);
}

.news-highlight .item h3 {
    font-size: clamp(30px, 3.1vw, 48px);
    line-height: 1.15;
}

.news-highlight .item p {
    margin-top: 10px;
    color: inherit;
}

.item--green { background: linear-gradient(180deg, #5fb320 0%, #3f8d17 100%); }
.item--yellow { background: linear-gradient(180deg, #ffc620 0%, #f0af00 100%); }
.item--orange { background: linear-gradient(180deg, #ff7c43 0%, #ff5d1e 100%); }

.faq-group + .faq-group {
    margin-top: 28px;
}

.faq-group--home {
    max-width: 860px;
    margin: 0 auto;
}

.faq-group--home .faq-item + .faq-item {
    margin-top: 18px;
}

.faq-group--home .faq-question {
    padding: 22px 24px;
}

.faq-group--home .faq-answer {
    padding-left: 24px;
    padding-right: 24px;
}

.faq-group--home .faq-item.is-open .faq-answer {
    padding: 0 24px 22px;
}

.faq-group h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: clamp(28px, 3vw, 40px);
    color: var(--ink);
    margin-bottom: 12px;
}

.faq-group h3::before {
    content: "?";
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--green);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.faq-item {
    background: #fffdf4;
    border: 1px solid #f0f1e4;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 28px;
    color: var(--ink);
    font-weight: 700;
    text-align: left;
}

.faq-question span:last-child {
    color: var(--green-deep);
    font-size: 28px;
    line-height: 1;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease, padding 0.28s ease;
    padding: 0 28px;
    color: var(--muted);
}

.faq-item.is-open .faq-answer {
    max-height: 420px;
    padding: 0 28px 24px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.contact-split {
    display: grid;
    grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
    gap: 30px;
    align-items: start;
}

.contact-split--home {
    align-items: stretch;
}

.contact-stack {
    display: grid;
    gap: 24px;
}

.contact-box {
    padding: 30px;
    background: #fffdf4;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.contact-box--wechat {
    padding: 0;
    overflow: hidden;
}

.contact-box h3 {
    font-size: 22px;
    color: var(--ink);
    margin-bottom: 16px;
}

.wechat-card {
    display: flex;
    align-items: stretch;
    min-height: 128px;
    height: 100%;
}

.wechat-card-media {
    position: relative;
    flex: 0 0 156px;
    align-self: stretch;
    overflow: hidden;
}

.wechat-card-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 22px 24px 22px 18px;
}

.wechat-card-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    border-radius: 0;
    background: #f5f7fa;
    padding: 0;
}

.address-list {
    display: grid;
    gap: 14px;
}

.address-list p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 0;
}

.address-icon {
    color: var(--green-deep);
    line-height: 1.2;
    flex: 0 0 auto;
}

.contact-box strong {
    color: var(--orange);
    font-size: clamp(30px, 3vw, 54px);
    line-height: 1.1;
}

.contact-form {
    margin-top: 24px;
    padding: 40px;
    background: #fffdf4;
    border: 4px solid var(--green);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.contact-form--home {
    margin-top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px 32px;
}

.contact-form--home h2 {
    font-size: clamp(30px, 3vw, 44px);
}

.contact-form--home p {
    margin-top: 8px;
    font-size: 16px;
}

.contact-form--home .form-grid {
    gap: 16px;
    margin-top: 24px;
}

.contact-form--home .field {
    gap: 8px;
}

.contact-form--home .field input,
.contact-form--home .field textarea {
    min-height: 52px;
    padding: 14px 16px;
}

.contact-form--home .field textarea {
    min-height: 96px;
}

.contact-form--home .btn {
    min-height: 52px;
}

.contact-form--home .privacy-note {
    margin-top: 10px;
}

.contact-form h2 {
    text-align: center;
    font-size: clamp(34px, 3.6vw, 54px);
    color: var(--ink);
}

.contact-form p {
    text-align: center;
    color: var(--muted);
    margin-top: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 34px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.field label {
    color: var(--ink);
    font-weight: 700;
}

.field input,
.field textarea {
    width: 100%;
    min-height: 58px;
    padding: 16px 18px;
    border: 1px solid #d9dfd0;
    border-radius: 16px;
    background: #fff;
    color: var(--text);
}

.field textarea {
    min-height: 140px;
}

.privacy-note {
    text-align: center;
    color: #98a1b2;
    font-size: 14px;
    margin-top: 14px;
}

.cta-band {
    padding: 72px 32px;
    border-radius: 0;
    background: linear-gradient(180deg, #66be1d 0%, #58a916 100%);
    color: #fff;
    text-align: center;
}

.cta-band--split {
    padding: 58px 32px;
    text-align: left;
}

.cta-band__layout {
    display: grid;
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
}

.cta-band__media {
    width: 100%;
    padding: 14px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.14);
    box-shadow: 0 16px 34px rgba(15, 34, 64, 0.16);
}

.cta-band__media img {
    width: 100%;
    border-radius: 16px;
    background: #fff;
}

.cta-band__content {
    max-width: 560px;
}

.cta-band--split h2 {
    font-size: clamp(30px, 3.2vw, 46px);
    line-height: 1.16;
    white-space: nowrap;
}

.cta-band--split p {
    max-width: 520px;
    margin-top: 12px;
    font-size: 18px;
}

.cta-band--split .cta-actions {
    justify-content: flex-start;
    margin-top: 24px;
}

.cta-band h2 {
    font-size: clamp(34px, 4vw, 60px);
    line-height: 1.2;
}

.cta-band p {
    margin-top: 14px;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(9, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--green);
    opacity: 0.6;
}

.timeline-item {
    position: relative;
    text-align: center;
    z-index: 1;
}

.timeline-item strong {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #7ad521 0%, #58af17 100%);
    color: #fff;
}

.timeline-item h4 {
    color: var(--ink);
}

.timeline-item p {
    color: var(--muted);
    margin-top: 6px;
    font-size: 14px;
}

.detail-wrap {
    padding: 46px 0 70px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--green-deep);
    font-weight: 700;
    margin-bottom: 22px;
}

.product-detail-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(380px, 0.9fr);
    gap: 46px;
    align-items: center;
}

.product-detail-top .card {
    overflow: hidden;
}

.product-detail-top img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.price {
    margin: 18px 0 24px;
    color: var(--orange);
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1;
    font-weight: 700;
}

.spec-list,
.bullet-list {
    display: grid;
    gap: 14px;
    color: var(--text);
}

.spec-row {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.spec-row strong {
    min-width: 84px;
    color: var(--ink);
}

.chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    color: var(--green-deep);
    background: #eefad5;
    font-size: 14px;
    font-weight: 700;
}

.detail-section {
    margin-top: 42px;
}

.detail-section h2 {
    color: var(--ink);
    font-size: clamp(30px, 3vw, 44px);
    margin-bottom: 16px;
}

.detail-section h3 {
    color: var(--ink);
    font-size: 26px;
    margin: 26px 0 10px;
}

.detail-section p,
.detail-section li,
.article-content p,
.article-content li {
    color: var(--text);
    font-size: 18px;
}

.detail-section ol,
.detail-section ul,
.article-content ul {
    padding-left: 22px;
}

.detail-section li + li,
.article-content li + li {
    margin-top: 8px;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.review-card {
    padding: 24px;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.rating {
    color: #ffc71e;
    font-size: 20px;
    letter-spacing: 0;
    margin-bottom: 14px;
}

.article-shell {
    max-width: 980px;
    margin: 0 auto;
}

.article-cover {
    margin: 34px 0 32px;
    overflow: hidden;
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.article-cover img {
    width: 100%;
    aspect-ratio: 16 / 8;
    object-fit: cover;
}

.article-content h2 {
    color: var(--ink);
    font-size: clamp(30px, 3vw, 42px);
    margin: 34px 0 12px;
}

.article-content p + p {
    margin-top: 16px;
}

.article-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 42px;
}

.article-switch-link,
.article-switch-empty {
    min-height: 92px;
    padding: 18px 20px;
    border-radius: 18px;
    border: 1px solid #e3e8d9;
    background: #fffdf4;
}

.article-switch-link {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    color: var(--ink);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.article-switch-link:hover {
    border-color: #bfd98a;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 34, 64, 0.08);
}

.article-switch-empty {
    opacity: 0.48;
}

.article-switch-label {
    color: var(--green-deep);
    font-size: 14px;
    font-weight: 700;
}

.article-switch-title {
    font-size: 17px;
    line-height: 1.5;
}

.article-switch-link--next,
.article-switch-empty--next {
    text-align: right;
}

.site-footer {
    background: #152033;
    color: #d3d8e1;
    margin-top: 0;
}

.fixed-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    display: none;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
    border-top: 1px solid rgba(220, 226, 235, 0.95);
    box-shadow: 0 -10px 26px rgba(15, 34, 64, 0.1);
}

.fixed-bar ul {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fixed-bar li {
    list-style: none;
}

.fixed-bar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 68px;
    gap: 6px;
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0;
    background: #f8fafc;
}

.fixed-bar li + li a {
    border-left: 1px solid rgba(226, 231, 238, 0.95);
}

.fixed-bar li:nth-child(1) a {
    background: #eefaf1;
}

.fixed-bar li:nth-child(2) a {
    background: #fff2ec;
}

.fixed-bar li:nth-child(3) a {
    background: #fff8d9;
}

.fixed-bar .mobile-tool-icon {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.fixed-bar svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.1;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.fixed-bar a > span:last-child {
    transform: translateY(-2px);
}

.fixed-bar li:nth-child(1) .mobile-tool-icon {
    background: #2fdc6c;
    color: #ffffff;
}

.fixed-bar li:nth-child(2) .mobile-tool-icon {
    background: #ff4d4f;
    color: #ffffff;
}

.fixed-bar li:nth-child(3) .mobile-tool-icon {
    background: #ffd21f;
    color: #2f3440;
}

.footer-top {
    padding: 26px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    color: #dbe1ea;
}

.footer-note {
    padding: 0 0 24px;
    text-align: center;
    font-size: 14px;
    color: #9aa3b4;
}

.success-popup {
    position: fixed;
    inset: 0;
    background: rgba(15, 34, 64, 0.42);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    padding: 20px;
}

.success-popup.is-open {
    display: flex;
}

.success-box {
    width: min(100%, 420px);
    padding: 34px 30px;
    border-radius: 24px;
    background: #fff;
    box-shadow: 0 20px 50px rgba(15, 34, 64, 0.18);
    text-align: center;
}

.success-box p {
    color: var(--ink);
    font-size: 22px;
    line-height: 1.7;
}

.success-box .btn {
    margin-top: 24px;
    width: 100%;
}

@media (max-width: 1200px) {
    .site-nav {
        gap: 14px;
    }

    .site-nav a {
        font-size: 16px;
    }

    .grid--4,
    .grid--5,
    .news-highlight,
    .contact-grid,
    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .timeline {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        row-gap: 30px;
    }

    .timeline::before {
        display: none;
    }

    .store-model-grid,
    .choice-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-wall {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    body {
        padding-bottom: 76px;
    }

    .header-inner {
        min-height: 80px;
    }

    .site-nav,
    .header-phone,
    .header-meta .btn {
        display: none;
    }

    .fixed-bar {
        display: block;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .split,
    .product-detail-top,
    .grid--2,
    .grid--3,
    .grid--4,
    .grid--5,
    .news-highlight,
    .contact-grid,
    .contact-split,
    .review-grid,
    .metric-strip,
    .form-grid,
    .feature-list {
        grid-template-columns: 1fr;
    }

    .store-model-grid,
    .choice-grid {
        grid-template-columns: 1fr;
    }

    .gallery-wall {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .split--about .feature-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px 20px;
    }

    .metric-strip--about {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .metric-strip--about .metric {
        padding: 22px 10px;
    }

    .metric-strip--about .metric strong {
        font-size: clamp(24px, 5vw, 34px);
    }

    .metric-strip--about .metric span {
        font-size: 13px;
        line-height: 1.35;
    }

    .news-highlight {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 14px;
    }

    .news-highlight .item {
        padding: 22px 14px;
        border-radius: 18px;
    }

    .news-highlight .item h3 {
        font-size: clamp(18px, 3vw, 24px);
    }

    .news-highlight .item p {
        margin-top: 8px;
        font-size: 14px;
        line-height: 1.5;
    }

    .article-switch {
        grid-template-columns: 1fr;
    }

    .article-switch-link--next,
    .article-switch-empty--next {
        text-align: left;
    }

    .section {
        padding: 58px 0;
    }

    .hero-card img {
        height: clamp(280px, 52vw, 420px);
    }

    .page-banner {
        padding: 46px 0 42px;
    }

    .mode-hero {
        padding: 66px 0 60px;
    }

    .mode-hero h1 {
        font-size: clamp(34px, 7vw, 52px);
    }

    .mode-hero p,
    .section-head--compact p {
        font-size: 17px;
    }

    .model-body {
        padding: 24px 22px 26px;
    }

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

    .contact-form {
        padding: 28px 22px;
    }

    .contact-form--home {
        margin-top: 0;
        height: auto;
        padding: 26px 20px;
    }

    .footer-top {
        padding: 20px 0 14px;
    }

    .footer-note {
        padding: 0 0 18px;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 15px;
    }

    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .header-inner {
        min-height: 72px;
    }

    .brand {
        height: 72px;
    }

    .brand img {
        height: 72px;
    }

    .mobile-nav.is-open {
        padding: 8px 0 6px;
    }

    .mobile-nav a {
        min-height: 44px;
        padding: 0 12px;
        font-size: 16px;
    }

    .breadcrumb-bar {
        padding: 8px 0 0;
    }

    .breadcrumb {
        gap: 8px;
        font-size: 14px;
    }

    .mode-hero {
        padding: 54px 0 48px;
    }

    .mode-hero::before {
        width: 220px;
        height: 220px;
        top: -110px;
        left: -40px;
    }

    .mode-hero::after {
        width: 200px;
        height: 200px;
        right: -40px;
        bottom: -90px;
    }

    .mode-hero p,
    .section-head--compact p {
        font-size: 16px;
    }

    .section-head--compact {
        margin-bottom: 24px;
    }

    .model-topline {
        align-items: flex-start;
    }

    .model-topline h3 {
        font-size: 22px;
    }

    .model-icon {
        width: 52px;
        height: 52px;
        border-radius: 18px;
        font-size: 22px;
    }

    .model-area,
    .model-points li {
        min-height: 38px;
        font-size: 14px;
    }

    .gallery-wall {
        grid-template-columns: 1fr;
    }

    .gallery-shot,
    .gallery-shot:nth-child(1) {
        border-radius: 18px;
    }

    .gallery-shot img,
    .gallery-shot:nth-child(1) img {
        min-height: 0;
        aspect-ratio: 4 / 3;
    }

    .choice-card {
        padding: 24px 20px;
        border-radius: 22px;
    }

    .choice-card h3 {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .news-highlight {
        gap: 10px;
        margin-bottom: 24px;
    }

    .news-highlight .item {
        padding: 16px 10px;
        border-radius: 14px;
    }

    .news-highlight .item h3 {
        font-size: 16px;
    }

    .news-highlight .item p {
        margin-top: 6px;
        font-size: 12px;
        line-height: 1.4;
    }

    .news-pagination {
        gap: 8px;
        margin-top: 26px;
        justify-content: center;
        align-items: center;
    }

    .news-page-number-list {
        gap: 8px;
    }

    .news-page-btn {
        min-width: 46px;
        min-height: 40px;
        padding: 0 12px;
        border-radius: 12px;
        font-size: 13px;
        flex: 0 0 auto;
    }

    .hero {
        padding: 0;
    }

    .center-actions,
    .cta-actions {
        gap: 12px;
    }

    .cta-band__layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-band--split,
    .cta-band__content {
        text-align: center;
    }

    .cta-band__media {
        width: min(100%, 320px);
        margin: 0 auto;
    }

    .cta-band--split h2 {
        font-size: clamp(28px, 7vw, 38px);
        white-space: normal;
    }

    .cta-band--split p {
        margin-left: auto;
        margin-right: auto;
        font-size: 17px;
    }

    .cta-band--split .cta-actions {
        justify-content: center;
    }

    .hero-card img {
        height: auto;
        object-fit: initial;
    }

    .center-actions .btn,
    .cta-actions .btn,
    .contact-form .btn,
    .field--full .btn {
        width: 100%;
    }

    .footer-top {
        padding: 16px 0 10px;
    }

    .footer-links {
        gap: 8px;
        font-size: 13px;
        line-height: 1.5;
    }

    .footer-note {
        padding: 0 0 14px;
        font-size: 13px;
    }

    .card-body,
    .contact-box,
    .review-card {
        padding: 20px;
    }

    .faq-question {
        padding: 18px 20px;
    }

    .faq-item.is-open .faq-answer,
    .faq-answer {
        padding-left: 20px;
        padding-right: 20px;
    }

    .overlay-label {
        left: 14px;
        bottom: 14px;
        padding: 8px 12px;
        font-size: 13px;
    }

    .about-copy p {
        font-size: 17px;
    }

    .split--about .feature-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric-strip--about {
        gap: 10px;
    }

    .metric-strip--about .metric {
        padding: 18px 8px;
        border-radius: 18px;
    }

    .metric-strip--about .metric strong {
        margin-bottom: 6px;
        font-size: clamp(22px, 6vw, 30px);
    }

    .metric-strip--about .metric span {
        font-size: 12px;
    }

    .wechat-card {
        display: block;
        min-height: 0;
    }

    .wechat-card-media {
        width: 100%;
        height: auto;
    }

    .wechat-card-copy {
        padding: 16px 16px 18px;
    }

    .wechat-card-media img {
        position: static;
        display: block;
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1;
        object-fit: contain;
        object-position: center center;
        transform: none;
        background: #fffdf4;
    }
}