:root {
    --color-black: #111315;
    --color-dark: #181b1e;
    --color-dark-soft: #24282c;
    --color-gold: #bd9250;
    --color-gold-light: #d3b277;
    --color-cream: #f4f0e8;
    --color-paper: #faf9f6;
    --color-white: #ffffff;
    --color-text: #25282a;
    --color-muted: #6f7375;
    --color-line: #dedbd4;
    --color-danger: #a53d36;
    --shadow: 0 24px 70px rgba(16, 18, 19, 0.14);
    --container: 1240px;
    --header-height: 82px;
    --transition: 220ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--color-text);
    background: var(--color-paper);
    font-family:
        "Microsoft YaHei",
        "PingFang SC",
        "Noto Sans CJK SC",
        Arial,
        sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

body.modal-open {
    overflow: hidden;
}

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

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

button,
input,
textarea,
select {
    color: inherit;
    font: inherit;
}

button {
    cursor: pointer;
}

section {
    position: relative;
}

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.section {
    padding: 112px 0;
}

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

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    padding: 10px 16px;
    color: var(--color-white);
    background: var(--color-black);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.section-kicker,
.eyebrow {
    margin: 0 0 14px;
    color: var(--color-gold);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.24em;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.7fr);
    align-items: end;
    gap: 60px;
    margin-bottom: 54px;
}

.section-heading h2,
.about-copy h2,
.project-copy h2,
.faq-intro h2,
.contact-copy h2 {
    margin: 0;
    font-family:
        "Noto Serif SC",
        "Songti SC",
        SimSun,
        serif;
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 600;
    line-height: 1.28;
    letter-spacing: 0.02em;
}

.section-heading > p,
.faq-intro > p {
    margin: 0;
    color: var(--color-muted);
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 24px;
    border: 1px solid transparent;
    border-radius: 0;
    font-size: 14px;
    font-weight: 700;
    transition:
        color var(--transition),
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

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

.button-primary,
.button-gold {
    color: var(--color-black);
    background: var(--color-gold-light);
}

.button-primary:hover,
.button-gold:hover {
    background: #e1c58f;
}

.button-ghost {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.button-ghost:hover {
    color: var(--color-black);
    background: var(--color-white);
}

.button-dark {
    color: var(--color-white);
    background: var(--color-black);
}

.button-dark:hover {
    background: var(--color-gold);
}

.button-outline {
    color: var(--color-text);
    border-color: #c9c5bd;
    background: transparent;
}

.button-outline:hover {
    border-color: var(--color-black);
}

.button-danger {
    color: var(--color-danger);
    border-color: rgba(165, 61, 54, 0.4);
    background: transparent;
}

.button-danger:hover {
    color: var(--color-white);
    background: var(--color-danger);
}

.text-link {
    display: inline-flex;
    margin-top: 32px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-gold);
    font-weight: 700;
}

/* Header */

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    color: var(--color-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    transition:
        background var(--transition),
        box-shadow var(--transition),
        color var(--transition);
}

.site-header.scrolled {
    color: var(--color-text);
    background: rgba(250, 249, 246, 0.96);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    backdrop-filter: blur(14px);
}

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-mark {
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    color: var(--color-black);
    background: var(--color-gold-light);
    font-family: "Songti SC", SimSun, serif;
    font-size: 22px;
    font-weight: 700;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.brand-copy strong {
    font-size: 18px;
    letter-spacing: 0.1em;
}

.brand-copy small {
    opacity: 0.65;
    font-size: 8px;
    letter-spacing: 0.13em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(14px, 1.8vw, 28px);
    font-size: 14px;
}

.main-nav > a {
    position: relative;
    padding: 28px 0;
    white-space: nowrap;
}

.main-nav > a:not(.nav-contact)::after {
    position: absolute;
    right: 0;
    bottom: 22px;
    left: 0;
    height: 1px;
    background: var(--color-gold);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.main-nav > a:hover::after,
.main-nav > a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-contact {
    padding: 9px 17px !important;
    color: var(--color-black);
    background: var(--color-gold-light);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 0;
    background: transparent;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    margin: 6px 0;
    background: currentColor;
    transition: var(--transition);
}

/* Hero */

.hero {
    display: flex;
    min-height: 100svh;
    align-items: center;
    overflow: hidden;
    color: var(--color-white);
    background: var(--color-black);
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            90deg,
            rgba(10, 12, 13, 0.94) 0%,
            rgba(10, 12, 13, 0.72) 43%,
            rgba(10, 12, 13, 0.22) 100%
        ),
       url("https://images.unsplash.com/photo-1600607687920-4e2a09cf159d?auto=format&fit=crop&w=2000&q=85")
        center / cover no-repeat;
    transform: scale(1.02);
}

.hero-background::after {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.26), transparent 30%),
        linear-gradient(0deg, rgba(0, 0, 0, 0.45), transparent 35%);
    content: "";
}

.hero-content {
    z-index: 1;
    padding-top: 130px;
    padding-bottom: 110px;
}

.hero h1 {
    max-width: 760px;
    margin: 0;
    font-family:
        "Noto Serif SC",
        "Songti SC",
        SimSun,
        serif;
    font-size: clamp(48px, 7.4vw, 98px);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: 0.025em;
}

.hero h1 span {
    display: block;
    color: var(--color-gold-light);
}

.hero-description {
    max-width: 620px;
    margin: 30px 0 36px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 17px;
}

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

.hero-statistics {
    display: flex;
    max-width: 820px;
    margin-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-statistics > div {
    flex: 1;
    padding: 26px 32px 0 0;
}

.hero-statistics strong {
    display: block;
    color: var(--color-gold-light);
    font-family: Georgia, serif;
    font-size: clamp(28px, 3vw, 43px);
    font-weight: 400;
    line-height: 1.2;
}

.hero-statistics span {
    display: block;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.63);
    font-size: 13px;
}

.hero-scroll {
    position: absolute;
    z-index: 2;
    right: 42px;
    bottom: 34px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.66);
    font-size: 9px;
    letter-spacing: 0.24em;
    transform: rotate(90deg);
    transform-origin: right bottom;
}

.hero-scroll i {
    width: 48px;
    height: 1px;
    background: var(--color-gold-light);
}

/* Products */

.products-section {
    background:
        linear-gradient(rgba(212, 207, 198, 0.22) 1px, transparent 1px),
        var(--color-paper);
    background-size: 100% 180px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr 1fr;
    grid-auto-rows: 360px;
    gap: 18px;
}

.product-card {
    position: relative;
    overflow: hidden;
    min-height: 340px;
    color: var(--color-white);
    background: #25282b;
}

.product-card-large {
    grid-row: span 2;
}

.product-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.product-card::after {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            180deg,
            transparent 30%,
            rgba(9, 11, 12, 0.87) 100%
        );
    content: "";
}

.product-card:hover img {
    transform: scale(1.055);
}

.product-overlay {
    position: absolute;
    z-index: 1;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 28px;
}

.product-overlay > span {
    color: var(--color-gold-light);
    font-size: 11px;
    letter-spacing: 0.2em;
}

.product-overlay h3 {
    margin: 6px 0 4px;
    font-family: "Songti SC", SimSun, serif;
    font-size: 25px;
    font-weight: 500;
}

.product-overlay p {
    max-width: 420px;
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

.product-overlay a {
    display: inline-block;
    margin-top: 14px;
    color: var(--color-gold-light);
    font-size: 13px;
    font-weight: 700;
}

.category-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
    margin-top: 54px;
    border-block: 1px solid var(--color-line);
}

.category-strip span {
    position: relative;
    padding: 18px 34px;
    color: var(--color-muted);
    font-size: 14px;
}

.category-strip span:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: 0;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-gold);
    content: "";
}

/* Brands */

.brand-section {
    overflow: hidden;
    color: var(--color-white);
    background:
        radial-gradient(circle at 84% 0, rgba(189, 146, 80, 0.14), transparent 34%),
        var(--color-dark);
}

.section-heading-light > p {
    color: rgba(255, 255, 255, 0.58);
}

.brand-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand-tab {
    min-width: 150px;
    padding: 17px 24px;
    color: rgba(255, 255, 255, 0.45);
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    font-size: 19px;
    font-weight: 700;
}

.brand-tab.active {
    color: var(--color-gold-light);
    border-color: var(--color-gold-light);
}

.brand-content {
    display: grid;
    grid-template-columns: 0.8fr 1.3fr;
    gap: 70px;
    padding-top: 58px;
}

.brand-identity {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 400px;
    padding: 44px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent);
}

.brand-number {
    color: rgba(255, 255, 255, 0.15);
    font-family: Georgia, serif;
    font-size: 58px;
}

.brand-identity h3 {
    margin: auto 0 0;
    color: var(--color-gold-light);
    font-family: "Songti SC", SimSun, serif;
    font-size: 64px;
    font-weight: 500;
}

.brand-identity small {
    margin-top: 8px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.2em;
}

.brand-details h3 {
    margin: 0 0 18px;
    font-size: clamp(27px, 3vw, 40px);
    line-height: 1.4;
}

.brand-details > p {
    margin: 0;
    color: rgba(255, 255, 255, 0.64);
}

.brand-feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin-top: 36px;
    background: rgba(255, 255, 255, 0.12);
}

.brand-feature {
    min-height: 135px;
    padding: 24px;
    background: var(--color-dark);
}

.brand-feature span {
    color: var(--color-gold-light);
    font-size: 11px;
    letter-spacing: 0.16em;
}

.brand-feature strong {
    display: block;
    margin: 7px 0 4px;
    font-size: 17px;
}

.brand-feature p {
    margin: 0;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
}

/* Project */

.project-section {
    background: var(--color-cream);
}

.project-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
    align-items: center;
    gap: 9vw;
}

.project-lead {
    margin: 24px 0 38px;
    color: var(--color-muted);
    font-size: 16px;
}

.project-benefits {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-benefits li {
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid #d7d1c6;
}

.project-benefits li > span {
    color: var(--color-gold);
    font-family: Georgia, serif;
    font-size: 14px;
}

.project-benefits strong {
    display: block;
    margin-bottom: 4px;
    font-size: 17px;
}

.project-benefits p {
    margin: 0;
    color: var(--color-muted);
    font-size: 13px;
}

.project-visual {
    position: relative;
    padding: 28px 28px 0 0;
}

.project-visual::before {
    position: absolute;
    top: 0;
    right: 0;
    width: 78%;
    height: 76%;
    border: 1px solid var(--color-gold);
    content: "";
}

.project-visual > img {
    position: relative;
    width: 100%;
    height: 700px;
    object-fit: cover;
}

.project-badge {
    position: absolute;
    top: 70px;
    left: -50px;
    display: flex;
    width: 150px;
    height: 150px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    background: var(--color-black);
    text-align: center;
}

.project-badge strong {
    color: var(--color-gold-light);
    font-family: Georgia, serif;
    font-size: 43px;
    line-height: 1.1;
}

.project-badge span {
    max-width: 90px;
    font-size: 12px;
}

.project-caption {
    position: absolute;
    right: 28px;
    bottom: 0;
    left: 0;
    padding: 18px 24px;
    color: var(--color-white);
    background: rgba(17, 19, 21, 0.9);
}

.project-caption span {
    display: block;
    color: var(--color-gold-light);
    font-size: 10px;
    letter-spacing: 0.2em;
}

.project-caption strong {
    font-size: 13px;
}

.process {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 90px;
    padding-top: 38px;
    border-top: 1px solid #cfc7b9;
}

.process-item {
    text-align: center;
}

.process-item span {
    display: block;
    color: var(--color-gold);
    font-family: Georgia, serif;
    font-size: 13px;
}

.process-item strong {
    display: block;
    margin: 4px 0;
    font-size: 15px;
}

.process-item small {
    color: var(--color-muted);
    font-size: 11px;
}

.process-line {
    width: 8%;
    height: 1px;
    background: #cfc7b9;
}

/* Articles */

.article-section {
    background: var(--color-paper);
}

.article-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.article-search {
    position: relative;
    width: min(100%, 380px);
}

.article-search input {
    width: 100%;
    min-height: 50px;
    padding: 11px 44px 11px 15px;
    border: 1px solid var(--color-line);
    outline: none;
    background: var(--color-white);
}

.article-search input:focus {
    border-color: var(--color-gold);
}

.article-search > span {
    position: absolute;
    top: 50%;
    right: 16px;
    color: var(--color-muted);
    font-size: 23px;
    transform: translateY(-50%);
}

.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.article-card {
    overflow: hidden;
    border: 1px solid var(--color-line);
    background: var(--color-white);
    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.article-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-6px);
}

.article-card-image {
    overflow: hidden;
    height: 235px;
    background: var(--color-dark);
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}

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

.article-card-body {
    padding: 26px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-muted);
    font-size: 11px;
}

.article-meta span {
    color: var(--color-gold);
    font-weight: 700;
    letter-spacing: 0.08em;
}

.article-meta time::before {
    margin-right: 12px;
    color: #c7c3ba;
    content: "·";
}

.article-card h3 {
    margin: 13px 0 9px;
    font-family: "Songti SC", SimSun, serif;
    font-size: 22px;
    line-height: 1.45;
}

.article-card p {
    display: -webkit-box;
    min-height: 51px;
    margin: 0;
    overflow: hidden;
    color: var(--color-muted);
    font-size: 13px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.article-card button {
    margin-top: 18px;
    padding: 0 0 4px;
    color: var(--color-text);
    border: 0;
    border-bottom: 1px solid var(--color-gold);
    background: transparent;
    font-size: 13px;
    font-weight: 700;
}

.empty-state {
    padding: 70px 20px;
    border: 1px dashed #c9c5bd;
    text-align: center;
}

.empty-state strong {
    font-size: 21px;
}

.empty-state p {
    margin: 5px 0 0;
    color: var(--color-muted);
}

.storage-note {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 25px;
    margin-top: 36px;
    padding: 24px;
    color: #c7c9ca;
    background: var(--color-dark);
}

.storage-note strong {
    color: var(--color-gold-light);
}

.storage-note p {
    margin: 0;
    font-size: 13px;
}

.storage-note code {
    color: var(--color-gold-light);
}

/* About */

.about-section {
    overflow: hidden;
    background: var(--color-cream);
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(420px, 0.92fr) minmax(0, 1fr);
    align-items: center;
    gap: 10vw;
}

.about-images {
    position: relative;
    min-height: 710px;
}

.about-main-image {
    width: 82%;
    height: 680px;
    object-fit: cover;
}

.about-small-image {
    position: absolute;
    right: 0;
    bottom: -30px;
    width: 48%;
    height: 355px;
    border: 12px solid var(--color-cream);
    object-fit: cover;
}

.about-year {
    position: absolute;
    top: 50px;
    right: 14px;
    color: rgba(189, 146, 80, 0.2);
    font-family: Georgia, serif;
    font-size: 78px;
    line-height: 1;
    writing-mode: vertical-rl;
}

.about-copy .about-lead {
    margin-top: 26px;
    color: var(--color-text);
    font-size: 18px;
    font-weight: 700;
}

.about-copy > p:not(.section-kicker):not(.about-lead) {
    color: var(--color-muted);
}

.about-copy blockquote {
    margin: 30px 0;
    padding: 5px 0 5px 24px;
    color: #564a38;
    border-left: 2px solid var(--color-gold);
    font-family: "Songti SC", SimSun, serif;
    font-size: 17px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 34px;
    border-block: 1px solid #d6d0c5;
}

.about-values > div {
    padding: 17px 10px 17px 0;
}

.about-values span {
    display: block;
    color: var(--color-gold);
    font-family: Georgia, serif;
    font-size: 11px;
}

.about-values strong {
    font-size: 13px;
}

/* FAQ */

.faq-section {
    background: var(--color-paper);
}

.faq-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.55fr) minmax(0, 1fr);
    gap: 9vw;
}

.faq-intro {
    position: sticky;
    top: 120px;
    align-self: start;
}

.faq-intro .button {
    margin-top: 28px;
}

.faq-item {
    border-bottom: 1px solid var(--color-line);
}

.faq-question {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 23px 0;
    border: 0;
    background: transparent;
    text-align: left;
    font-size: 17px;
    font-weight: 700;
}

.faq-question i {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.faq-question i::before,
.faq-question i::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 15px;
    height: 1px;
    background: var(--color-gold);
    content: "";
    transform: translate(-50%, -50%);
    transition: transform var(--transition);
}

.faq-question i::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.open .faq-question i::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 300ms ease;
}

.faq-answer > p {
    min-height: 0;
    margin: 0;
    overflow: hidden;
    color: var(--color-muted);
}

.faq-item.open .faq-answer {
    grid-template-rows: 1fr;
}

.faq-item.open .faq-answer > p {
    padding: 0 42px 24px 0;
}

/* Contact */

.contact-section {
    padding: 104px 0;
    color: var(--color-white);
    background:
        linear-gradient(90deg, rgba(15, 17, 18, 0.97), rgba(15, 17, 18, 0.83)),
        url("https://placehold.co/2000x1000/202326/bd9250?text=Contact+Jiangjun")
        center / cover no-repeat;
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.8fr 1fr;
    gap: 9vw;
}

.contact-copy > p:not(.section-kicker) {
    color: rgba(255, 255, 255, 0.63);
}

.contact-list {
    margin: 40px 0 0;
}

.contact-list > div {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.contact-list dt {
    color: var(--color-gold-light);
    font-size: 12px;
}

.contact-list dd {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
}

.contact-form {
    padding: 38px;
    color: var(--color-text);
    background: var(--color-white);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.contact-form label,
.editor-panel label {
    display: block;
    margin-bottom: 18px;
}

.contact-form label > span,
.editor-panel label > span {
    display: block;
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.editor-panel input,
.editor-panel select,
.editor-panel textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid #d8d5ce;
    border-radius: 0;
    outline: none;
    background: #fbfaf7;
}

.contact-form input,
.contact-form select,
.editor-panel input,
.editor-panel select {
    min-height: 48px;
}

.contact-form textarea,
.editor-panel textarea {
    resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus,
.editor-panel input:focus,
.editor-panel select:focus,
.editor-panel textarea:focus {
    border-color: var(--color-gold);
}

.privacy-check {
    display: flex !important;
    align-items: flex-start;
    gap: 8px;
}

.privacy-check input {
    width: 16px;
    min-height: auto;
    margin-top: 5px;
}

.privacy-check span {
    color: var(--color-muted);
    font-size: 12px !important;
    font-weight: 400 !important;
}

.form-notice {
    margin: 12px 0 0;
    color: var(--color-muted);
    font-size: 11px;
}

/* Footer */

.site-footer {
    color: rgba(255, 255, 255, 0.7);
    background: #0c0e0f;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.65fr 0.65fr 0.9fr;
    gap: 70px;
    padding: 74px 0 55px;
}

.brand-footer {
    color: var(--color-white);
}

.footer-brand > p {
    max-width: 330px;
    margin: 24px 0 0;
    font-size: 13px;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.footer-column h3 {
    margin: 0 0 12px;
    color: var(--color-white);
    font-size: 14px;
}

.footer-column a,
.footer-column p {
    margin: 0;
    font-size: 12px;
}

.footer-column a:hover {
    color: var(--color-gold-light);
}

.footer-address > a {
    margin-top: 12px;
    color: var(--color-gold-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 11px;
}

.footer-bottom p {
    margin: 0;
}

/* Modal */

.modal {
    position: fixed;
    z-index: 3000;
    inset: 0;
    display: grid;
    visibility: hidden;
    place-items: center;
    padding: 24px;
    opacity: 0;
    transition:
        opacity var(--transition),
        visibility var(--transition);
}

.modal.open {
    visibility: visible;
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 7, 8, 0.82);
    backdrop-filter: blur(5px);
}

.modal-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 920px);
    max-height: calc(100svh - 48px);
    overflow-y: auto;
    background: var(--color-white);
    box-shadow: var(--shadow);
    transform: translateY(20px);
    transition: transform var(--transition);
}

.modal.open .modal-panel {
    transform: translateY(0);
}

.editor-panel {
    padding: 42px;
}

.modal-close {
    position: absolute;
    z-index: 3;
    top: 14px;
    right: 16px;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 0;
    background: rgba(255, 255, 255, 0.9);
    font-size: 26px;
    line-height: 1;
}

.modal-heading {
    margin-bottom: 28px;
}

.modal-heading h2 {
    margin: 0;
    font-family: "Songti SC", SimSun, serif;
    font-size: 35px;
}

.modal-heading > p:last-child {
    margin: 5px 0 0;
    color: var(--color-muted);
}

.editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.article-view-panel {
    width: min(100%, 940px);
}

.article-view-panel > img {
    width: 100%;
    height: min(48vh, 460px);
    object-fit: cover;
    background: var(--color-dark);
}

.article-view-body {
    padding: 42px;
}

.article-view-body h2 {
    margin: 14px 0;
    font-family: "Songti SC", SimSun, serif;
    font-size: clamp(29px, 4vw, 45px);
    line-height: 1.35;
}

.article-view-summary {
    padding: 17px 20px;
    color: #6b604d;
    border-left: 2px solid var(--color-gold);
    background: var(--color-cream);
    font-size: 15px;
}

.article-view-content {
    margin-top: 30px;
    color: #44484a;
    line-height: 2;
    white-space: pre-wrap;
}

.article-manage-actions {
    display: flex;
    gap: 10px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-line);
}

.toast {
    position: fixed;
    z-index: 5000;
    right: 24px;
    bottom: 24px;
    visibility: hidden;
    max-width: min(400px, calc(100% - 48px));
    padding: 14px 20px;
    color: var(--color-white);
    background: var(--color-black);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(15px);
    transition: var(--transition);
}

.toast.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.back-to-top {
    position: fixed;
    z-index: 900;
    right: 22px;
    bottom: 22px;
    display: grid;
    visibility: hidden;
    width: 45px;
    height: 45px;
    place-items: center;
    color: var(--color-black);
    border: 0;
    background: var(--color-gold-light);
    opacity: 0;
    transform: translateY(12px);
    transition: var(--transition);
}

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

/* Scroll reveal */

.reveal {
    opacity: 1;
    transform: none;
    transition:
        opacity 700ms ease,
        transform 700ms ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .js-ready .reveal {
        opacity: 0;
        transform: translateY(28px);
    }

    .js-ready .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */

@media (max-width: 1080px) {
    :root {
        --header-height: 72px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: flex;
        visibility: hidden;
        max-height: calc(100svh - var(--header-height));
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        overflow-y: auto;
        padding: 18px 24px 30px;
        color: var(--color-text);
        background: var(--color-paper);
        opacity: 0;
        transform: translateY(-12px);
        transition: var(--transition);
    }

    .main-nav.open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .main-nav > a {
        padding: 14px 0;
        border-bottom: 1px solid var(--color-line);
    }

    .main-nav > a::after {
        display: none;
    }

    .nav-contact {
        margin-top: 14px;
        border: 0 !important;
        text-align: center;
    }

    .site-header:not(.scrolled) .menu-toggle {
        color: var(--color-white);
    }

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

    .product-card-large {
        grid-row: span 1;
    }

    .brand-content,
    .project-layout,
    .about-layout {
        gap: 60px;
    }

    .project-badge {
        left: -25px;
    }

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

    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr;
        gap: 45px;
    }

    .footer-address {
        grid-column: 2 / -1;
    }
}

@media (max-width: 820px) {
    .section {
        padding: 82px 0;
    }

    .section-heading {
        grid-template-columns: 1fr;
        gap: 18px;
        margin-bottom: 38px;
    }

    .hero-statistics {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .hero-statistics > div {
        padding-top: 22px;
    }

    .hero-scroll {
        display: none;
    }

    .brand-content,
    .project-layout,
    .about-layout,
    .faq-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .brand-content {
        gap: 35px;
    }

    .brand-identity {
        min-height: 270px;
    }

    .project-copy {
        order: 2;
    }

    .project-visual {
        order: 1;
        max-width: 600px;
        margin: 0 auto;
    }

    .project-visual > img {
        height: 600px;
    }

    .process {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .process-line {
        display: none;
    }

    .process-item {
        padding: 18px;
        border: 1px solid #cfc7b9;
    }

    .about-images {
        max-width: 600px;
        min-height: 620px;
        margin: 0 auto;
    }

    .about-main-image {
        height: 590px;
    }

    .faq-intro {
        position: static;
    }

    .article-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .article-search {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 30px), var(--container));
    }

    .brand-copy strong {
        font-size: 15px;
    }

    .hero-content {
        padding-top: 112px;
    }

    .hero h1 {
        font-size: clamp(42px, 13vw, 61px);
    }

    .hero-description {
        font-size: 15px;
    }

    .hero-actions .button {
        width: 100%;
    }

    .hero-statistics {
        margin-top: 48px;
    }

    .hero-statistics strong {
        font-size: 29px;
    }

    .product-grid,
    .article-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
    }

    .product-card {
        height: 430px;
    }

    .category-strip {
        justify-content: flex-start;
    }

    .category-strip span {
        width: 50%;
        padding: 14px;
        border-bottom: 1px solid var(--color-line);
    }

    .brand-tabs {
        width: 100%;
    }

    .brand-tab {
        min-width: 0;
        flex: 1;
        padding-inline: 10px;
    }

    .brand-feature-grid {
        grid-template-columns: 1fr;
    }

    .project-visual {
        padding-right: 14px;
    }

    .project-visual > img {
        height: 520px;
    }

    .project-badge {
        top: 45px;
        left: -5px;
        width: 120px;
        height: 120px;
    }

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

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

    .article-actions .button:last-of-type {
        grid-column: 1 / -1;
    }

    .storage-note {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .about-images {
        min-height: 510px;
    }

    .about-main-image {
        width: 88%;
        height: 500px;
    }

    .about-small-image {
        height: 255px;
    }

    .about-year {
        display: none;
    }

    .about-values {
        grid-template-columns: 1fr 1fr;
    }

    .contact-form,
    .editor-panel,
    .article-view-body {
        padding: 25px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .modal {
        padding: 10px;
    }

    .modal-panel {
        max-height: calc(100svh - 20px);
    }

    .article-view-panel > img {
        height: 280px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 38px 20px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-address {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .back-to-top {
        right: 14px;
        bottom: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}