.landing-page-main {
    padding: 0;
}

.gold-coin-landing {
    --gold: #b58a3a;
    --gold-dark: #8c6728;
    --gold-soft: #f4ecdc;
    --ink: #292929;
    --muted: #6b675f;
    --line: #ded8cc;
    --surface: #f8f6f1;
    --radius: 6px;
    --shadow: 0 12px 36px rgba(61, 45, 17, .10);
    color: var(--ink);
    background: #fff;
    font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.75;
}

.gold-coin-landing .landing-preview-notice {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 10px 18px;
    background: #fff3cd;
    border-bottom: 1px solid #e4c76a;
    color: #594700;
    font-weight: 700;
    text-align: center;
}

.gold-coin-landing * {
    box-sizing: border-box;
}

.gold-coin-landing img {
    display: block;
    max-width: 100%;
}

.gold-coin-landing .container {
    width: min(1200px, calc(100% - 40px));
    max-width: none;
    margin-inline: auto;
    padding: 0;
}

.gold-coin-landing h1,
.gold-coin-landing h2,
.gold-coin-landing h3 {
    margin-top: 0;
    color: var(--ink);
    line-height: 1.35;
    letter-spacing: 0;
}

.gold-coin-landing h2 {
    font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.gold-coin-landing p {
    margin: 0 0 1em;
}

.gold-coin-landing .eyebrow {
    margin: 0 0 8px;
    color: var(--gold-dark);
    font-size: .83rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.gold-coin-landing .breadcrumbs {
    padding: 18px 0;
    color: var(--muted);
    font-size: .88rem;
}

.gold-coin-landing .breadcrumbs a {
    text-decoration: none;
}

.gold-coin-landing .breadcrumbs span {
    margin: 0 8px;
    color: #aaa49a;
}

.gold-coin-landing .hero {
    padding: 28px 0 74px;
}

.gold-coin-landing .hero-grid {
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    align-items: center;
    gap: clamp(30px, 6vw, 76px);
}

.gold-coin-landing .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(2.25rem, 5vw, 4.4rem);
}

.gold-coin-landing .hero .lead {
    color: #4c4943;
    font-size: 1.12rem;
}

.gold-coin-landing .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 30px 0 18px;
}

.gold-coin-landing .button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 11px 22px;
    border: 1px solid var(--gold);
    border-radius: 4px;
    background: var(--gold);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
}

.gold-coin-landing .button:hover {
    border-color: var(--gold-dark);
    background: var(--gold-dark);
    color: #fff;
    transform: translateY(-1px);
}

.gold-coin-landing .button.secondary {
    background: transparent;
    color: var(--gold-dark);
}

.gold-coin-landing .hero-note {
    color: var(--muted);
    font-size: .88rem;
}

.gold-coin-landing .hero-media {
    position: relative;
    display: grid;
    min-height: 440px;
    place-items: center;
    padding: 34px;
    border-radius: var(--radius);
    background: #faf8f3;
}

.gold-coin-landing .hero-media::before {
    position: absolute;
    z-index: -1;
    inset: -20px 30px 36px -24px;
    background: var(--gold-soft);
    content: "";
}

.gold-coin-landing .hero-media img {
    width: min(100%, 390px);
    height: min(54vw, 390px);
    max-height: 390px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    object-fit: contain;
}

.gold-coin-landing .hero-caption {
    position: absolute;
    right: -12px;
    bottom: -22px;
    max-width: 260px;
    padding: 14px 18px;
    border-left: 3px solid var(--gold);
    background: #fff;
    box-shadow: var(--shadow);
    font-size: .88rem;
}

.gold-coin-landing .trust-strip {
    border-block: 1px solid var(--line);
    background: var(--surface);
}

.gold-coin-landing .trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.gold-coin-landing .trust-item {
    padding: 22px 24px;
    border-right: 1px solid var(--line);
    text-align: center;
}

.gold-coin-landing .trust-item:last-child {
    border-right: 0;
}

.gold-coin-landing .trust-item strong {
    display: block;
    color: var(--gold-dark);
    font-size: 1.02rem;
}

.gold-coin-landing .trust-item span {
    color: var(--muted);
    font-size: .82rem;
}

.gold-coin-landing .section {
    padding: 88px 0;
}

.gold-coin-landing .section.alt {
    background: var(--surface);
}

.gold-coin-landing .section-heading {
    max-width: 760px;
    margin-bottom: 38px;
}

.gold-coin-landing .section-heading > p:last-child {
    color: var(--muted);
    font-size: 1.04rem;
}

.gold-coin-landing .intro-grid {
    display: grid;
    grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr);
    gap: clamp(34px, 6vw, 78px);
    align-items: start;
    padding: clamp(34px, 5vw, 64px);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(135deg, #fff 0%, #fff 64%, #fbf7ef 100%);
    box-shadow: 0 18px 50px rgba(61, 45, 17, .07);
}

.gold-coin-landing .intro-grid > div:first-child {
    position: sticky;
    top: 116px;
    padding-left: 22px;
    border-left: 4px solid var(--gold);
}

.gold-coin-landing .intro-grid > div:first-child h2 {
    margin-bottom: 0;
}

.gold-coin-landing .intro-aside {
    margin-top: 28px;
    padding: 24px 26px;
    border: 0;
    border-radius: 6px;
    background: var(--surface);
}

.gold-coin-landing .intro-aside strong {
    display: block;
    margin-bottom: 12px;
    color: var(--gold-dark);
}

.gold-coin-landing .intro-aside ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.gold-coin-landing .intro-aside li {
    position: relative;
    padding-left: 17px;
}

.gold-coin-landing .intro-aside li::before {
    position: absolute;
    left: 0;
    color: var(--gold);
    content: "◆";
    font-size: .55rem;
    line-height: 2.8;
}

.gold-coin-landing .material-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.gold-coin-landing .material-card {
    padding: 28px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}

.gold-coin-landing .material-card .number {
    display: block;
    margin-bottom: 16px;
    color: var(--gold);
    font-family: Georgia, serif;
    font-size: 1.8rem;
}

.gold-coin-landing .material-card h3 {
    margin-bottom: 10px;
}

.gold-coin-landing .material-card p {
    margin: 0;
    color: var(--muted);
    font-size: .94rem;
}

.gold-coin-landing .craft-grid,
.gold-coin-landing .cases-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 280px));
    justify-content: center;
    gap: 22px;
}

.gold-coin-landing .craft-card,
.gold-coin-landing .case-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 8px 24px rgba(61, 45, 17, .05);
}

.gold-coin-landing .craft-card img,
.gold-coin-landing .case-card img {
    width: 160px;
    height: 160px;
    margin: 20px auto 0;
    padding: 6px;
    background: #faf8f3;
    object-fit: contain;
}

.gold-coin-landing .craft-body,
.gold-coin-landing .case-copy {
    display: block;
    padding: 16px 18px 20px;
    border-top: 1px solid var(--line);
}

.gold-coin-landing .craft-body h3,
.gold-coin-landing .case-copy h3 {
    margin-bottom: 8px;
    font-size: 1.04rem;
}

.gold-coin-landing .craft-body p,
.gold-coin-landing .case-copy small {
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.gold-coin-landing .case-card {
    color: var(--ink);
    text-decoration: none;
}

.gold-coin-landing .case-card img {
    transition: transform .25s ease;
}

.gold-coin-landing .case-card:hover img {
    transform: scale(1.025);
}

.gold-coin-landing .process {
    counter-reset: process;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.gold-coin-landing .process article {
    min-height: 188px;
    padding: 26px;
    border: 1px solid var(--line);
    background: #fff;
}

.gold-coin-landing .process article::before {
    counter-increment: process;
    display: block;
    margin-bottom: 22px;
    color: var(--gold);
    content: "0" counter(process);
    font-family: Georgia, serif;
    font-size: 1.5rem;
}

.gold-coin-landing .process p {
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.gold-coin-landing .price-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.gold-coin-landing .price-factors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.gold-coin-landing .price-factors span {
    padding: 13px 15px;
    border: 1px solid var(--line);
    background: #fff;
    font-size: .91rem;
}

.gold-coin-landing .callout {
    padding: 30px;
    border-left: 4px solid var(--gold);
    background: var(--gold-soft);
}

.gold-coin-landing .callout strong {
    display: block;
    margin-bottom: 8px;
}

.gold-coin-landing .faq-list {
    max-width: 900px;
}

.gold-coin-landing details {
    border-top: 1px solid var(--line);
}

.gold-coin-landing details:last-child {
    border-bottom: 1px solid var(--line);
}

.gold-coin-landing summary {
    position: relative;
    padding: 22px 48px 22px 0;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.gold-coin-landing summary::-webkit-details-marker {
    display: none;
}

.gold-coin-landing summary::after {
    position: absolute;
    right: 10px;
    color: var(--gold-dark);
    content: "+";
    font-size: 1.5rem;
    font-weight: 400;
}

.gold-coin-landing details[open] summary::after {
    content: "−";
}

.gold-coin-landing details p {
    padding: 0 48px 22px 0;
    color: var(--muted);
}

@media (max-width: 940px) {
    .gold-coin-landing .hero-grid,
    .gold-coin-landing .intro-grid,
    .gold-coin-landing .price-layout {
        grid-template-columns: 1fr;
    }

    .gold-coin-landing .intro-grid > div:first-child {
        position: static;
    }

    .gold-coin-landing .hero-copy {
        order: 1;
    }

    .gold-coin-landing .hero-media {
        order: 0;
        max-width: 680px;
    }

    .gold-coin-landing .material-grid {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 620px) {
    .gold-coin-landing .container {
        width: min(100% - 28px, 1200px);
    }

    .gold-coin-landing .hero {
        padding-top: 10px;
    }

    .gold-coin-landing .hero h1 {
        font-size: 2.2rem;
    }

    .gold-coin-landing .hero-media {
        min-height: 330px;
        padding: 24px;
    }

    .gold-coin-landing .hero-media img {
        width: min(100%, 280px);
        height: 280px;
    }

    .gold-coin-landing .hero-caption {
        position: static;
        max-width: none;
        margin: -2px 10px 0;
    }

    .gold-coin-landing .hero-actions,
    .gold-coin-landing .hero-actions .button {
        width: 100%;
    }

    .gold-coin-landing .trust-grid,
    .gold-coin-landing .material-grid,
    .gold-coin-landing .craft-grid,
    .gold-coin-landing .cases-grid,
    .gold-coin-landing .process,
    .gold-coin-landing .price-factors {
        grid-template-columns: 1fr;
    }

    .gold-coin-landing .trust-item {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .gold-coin-landing .section {
        padding: 64px 0;
    }

    .gold-coin-landing .intro-grid {
        padding: 28px 22px;
    }

    .gold-coin-landing .intro-aside ul {
        grid-template-columns: 1fr;
    }

    .gold-coin-landing .craft-grid,
    .gold-coin-landing .cases-grid {
        width: min(100%, 310px);
        margin-inline: auto;
    }
}