:root {
    --qs-ink: #17211c;
    --qs-muted: #69736b;
    --qs-soft: #8a9288;
    --qs-line: rgba(37, 56, 45, 0.12);
    --qs-paper: #fffdf7;
    --qs-tint: #f4f0e6;
    --qs-accent: #df7d32;
    --qs-accent-dark: #ad5c22;
    --qs-green: #315b43;
    --qs-green-soft: #e8f0ea;
    --qs-dark: #15241d;
    --qs-radius: 22px;
    --qs-shadow: 0 18px 55px rgba(28, 42, 34, 0.11);
    --qs-shadow-hover: 0 28px 80px rgba(28, 42, 34, 0.17);
}

.qs-section,
.qs-page-intro,
.qs-prose-box,
.qs-cooperation-page,
.qs-article-cta {
    box-sizing: border-box;
    color: var(--qs-ink);
    font-size: 16px;
    line-height: 1.75;
    margin: 0 auto 34px;
    max-width: 1200px;
}

.qs-section {
    padding: 72px 34px;
    position: relative;
}

.qs-section-tint {
    background:
        radial-gradient(circle at 15% 0%, rgba(223, 125, 50, 0.08), transparent 28%),
        linear-gradient(135deg, #f8f5ee, var(--qs-tint));
    border: 1px solid rgba(37, 56, 45, 0.08);
    border-radius: 32px;
}

.qs-eyebrow {
    background: rgba(49, 91, 67, 0.08);
    border: 1px solid rgba(49, 91, 67, 0.12);
    border-radius: 999px;
    color: var(--qs-green);
    display: inline-block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    padding: 5px 11px;
    text-transform: uppercase;
}

.qs-section h1,
.qs-section h2,
.qs-section h3,
.qs-page-intro h1,
.qs-cooperation-page h2,
.qs-article-cta h2 {
    color: var(--qs-ink);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.12;
    margin-top: 0;
}

.qs-section-heading {
    align-items: end;
    display: flex;
    gap: 24px;
    justify-content: space-between;
    margin-bottom: 34px;
}

.qs-section-heading h2 {
    font-size: clamp(30px, 3vw, 46px);
    margin-bottom: 8px;
}

.qs-section-heading p {
    color: var(--qs-muted);
    font-size: 17px;
    margin: 0;
    max-width: 620px;
}

.qs-text-link,
.qs-card-link {
    color: var(--qs-accent-dark);
    font-weight: 700;
    text-decoration: none;
}

.qs-hero {
    align-items: center;
    background:
        radial-gradient(circle at 16% 22%, rgba(223, 125, 50, 0.18), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(49, 91, 67, 0.16), transparent 32%),
        linear-gradient(135deg, #fffaf0 0%, #f7f2e8 48%, #eef3ed 100%);
    border: 1px solid rgba(37, 56, 45, 0.1);
    border-radius: 36px;
    box-shadow: 0 24px 90px rgba(28, 42, 34, 0.12);
    display: grid;
    gap: 55px;
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    min-height: 580px;
    overflow: hidden;
    padding-bottom: 82px;
    padding-top: 82px;
    isolation: isolate;
}

.qs-hero::before,
.qs-hero::after {
    border-radius: 999px;
    content: "";
    pointer-events: none;
    position: absolute;
    z-index: -1;
}

.qs-hero::before {
    background: rgba(255, 255, 255, 0.55);
    height: 520px;
    right: -190px;
    top: -150px;
    width: 520px;
}

.qs-hero::after {
    background: rgba(49, 91, 67, 0.08);
    bottom: -210px;
    height: 360px;
    left: 8%;
    width: 360px;
}

.qs-hero h1 {
    font-size: clamp(56px, 7.5vw, 104px);
    letter-spacing: -0.08em;
    margin-bottom: 8px;
}

.qs-hero h2 {
    color: var(--qs-green);
    font-size: clamp(27px, 3.1vw, 44px);
    letter-spacing: -0.045em;
    margin-bottom: 20px;
}

.qs-hero-copy > p {
    color: #4f5b51;
    font-size: 19px;
    line-height: 1.85;
    max-width: 680px;
}

.qs-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.qs-button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 999px;
    display: inline-flex;
    font-weight: 700;
    justify-content: center;
    min-height: 46px;
    padding: 10px 22px;
    text-decoration: none !important;
    transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.qs-button:hover {
    transform: translateY(-3px);
}

.qs-button-primary {
    background: linear-gradient(135deg, var(--qs-accent), #ca6a25);
    box-shadow: 0 14px 34px rgba(223, 125, 50, 0.28);
    color: #fff !important;
}

.qs-button-primary:hover {
    background: var(--qs-accent-dark);
}

.qs-button-secondary {
    background: rgba(255, 255, 255, 0.78);
    border-color: var(--qs-line);
    color: var(--qs-ink) !important;
}

.qs-trust-row {
    color: var(--qs-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 13px;
    gap: 16px;
    margin-top: 22px;
}

.qs-hero-panel {
    backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: 28px;
    box-shadow: var(--qs-shadow);
    padding: 26px;
    transform: rotate(1.2deg);
    transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.qs-hero-panel:hover {
    box-shadow: var(--qs-shadow-hover);
    transform: rotate(0deg) translateY(-6px);
}

.qs-panel-header {
    border-bottom: 1px solid var(--qs-line);
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
    padding-bottom: 16px;
}

.qs-panel-header span,
.qs-muted {
    color: var(--qs-muted);
    font-size: 13px;
}

.qs-panel-header strong {
    font-size: 24px;
    letter-spacing: -0.03em;
}

.qs-panel-item {
    align-items: center;
    border-bottom: 1px solid #efede7;
    display: flex;
    gap: 14px;
    padding: 15px 2px;
    transition: transform 0.22s ease;
}

.qs-panel-item:hover {
    transform: translateX(5px);
}

.qs-panel-item:last-child {
    border-bottom: 0;
}

.qs-panel-icon,
.qs-quick-icon,
.qs-tool-icon {
    align-items: center;
    background: #f4e2d3;
    border-radius: 12px;
    color: var(--qs-accent-dark);
    display: inline-flex;
    flex: 0 0 40px;
    height: 40px;
    justify-content: center;
}

.qs-quick-icon {
    background: var(--qs-green-soft);
    color: var(--qs-green);
}

.qs-panel-item div {
    display: flex;
    flex-direction: column;
}

.qs-panel-item small {
    color: var(--qs-muted);
}

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

.qs-quick-card {
    background: var(--qs-paper);
    border: 1px solid var(--qs-line);
    border-radius: var(--qs-radius);
    color: var(--qs-ink) !important;
    display: grid;
    gap: 8px;
    min-height: 178px;
    overflow: hidden;
    padding: 24px;
    position: relative;
    text-decoration: none !important;
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.qs-quick-card::after,
.qs-card::after,
.qs-cooperation-card::after,
.qs-insight-card::after,
.qs-path-card::after {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6), transparent 45%);
    content: "";
    height: 110px;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    right: -44px;
    top: -44px;
    transform: rotate(16deg);
    transition: opacity 0.24s ease, transform 0.24s ease;
    width: 150px;
}

.qs-quick-card:hover,
.qs-card:hover {
    border-color: rgba(49, 91, 67, 0.22);
    box-shadow: var(--qs-shadow-hover);
    transform: translateY(-8px);
}

.qs-quick-card:hover::after,
.qs-card:hover::after,
.qs-cooperation-card:hover::after,
.qs-insight-card:hover::after,
.qs-path-card:hover::after {
    opacity: 1;
    transform: rotate(16deg) translate(-10px, 10px);
}

.qs-quick-card strong {
    font-size: 21px;
    letter-spacing: -0.02em;
}

.qs-quick-card small {
    color: var(--qs-muted);
    line-height: 1.5;
}

.qs-arrow {
    color: var(--qs-green);
    font-size: 22px;
    position: absolute;
    right: 20px;
    top: 22px;
}

.qs-path-grid {
    counter-reset: qs-path;
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.qs-path-card {
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(219, 211, 195, 0.8);
    border-radius: var(--qs-radius);
    overflow: hidden;
    padding: 24px;
    position: relative;
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.qs-path-card:hover {
    border-color: rgba(49, 91, 67, 0.2);
    box-shadow: var(--qs-shadow);
    transform: translateY(-6px);
}

.qs-step {
    color: var(--qs-accent-dark);
    display: block;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 28px;
}

.qs-path-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
}

.qs-path-card p {
    color: var(--qs-muted);
    margin: 0;
}

.qs-card-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qs-card {
    background: var(--qs-paper);
    border: 1px solid var(--qs-line);
    border-radius: var(--qs-radius);
    display: flex;
    flex-direction: column;
    min-height: 285px;
    overflow: hidden;
    padding: 24px;
    position: relative;
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.qs-card-topline {
    align-items: center;
    display: flex;
    gap: 8px;
    justify-content: space-between;
    margin-bottom: 18px;
}

.qs-tag,
.qs-access,
.qs-status {
    border-radius: 999px;
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 10px;
}

.qs-tag {
    background: rgba(49, 91, 67, 0.08);
    color: var(--qs-green);
}

.qs-access {
    color: var(--qs-green);
}

.qs-status.is-open {
    background: #e2f2e6;
    color: #2f6b43;
}

.qs-status.is-limited {
    background: #fff0d4;
    color: #9b5a09;
}

.qs-status.is-paused {
    background: #f0eeee;
    color: #777;
}

.qs-status.is-watching {
    background: #e9edf4;
    color: #52647c;
}

.qs-card h3 {
    font-size: 23px;
    letter-spacing: -0.03em;
    line-height: 1.25;
    margin-bottom: 12px;
}

.qs-card h3 a {
    color: inherit;
    text-decoration: none;
}

.qs-card p {
    color: var(--qs-muted);
}

.qs-card-link {
    margin-top: auto;
    padding-top: 14px;
}

.qs-card-meta {
    display: grid;
    gap: 8px;
    grid-template-columns: 1fr 1fr;
    margin: 0 0 12px;
}

.qs-card-meta div {
    background: rgba(49, 91, 67, 0.055);
    border-radius: 10px;
    padding: 8px 10px;
}

.qs-card-meta dt {
    color: var(--qs-muted);
    font-size: 11px;
}

.qs-card-meta dd {
    font-size: 13px;
    font-weight: 700;
    margin: 0;
}

.qs-tool-icon {
    margin-bottom: 18px;
}

.qs-section-dark {
    background:
        radial-gradient(circle at 80% 12%, rgba(223, 125, 50, 0.22), transparent 30%),
        linear-gradient(135deg, #17251e, var(--qs-dark));
    border-radius: 32px;
    color: #eef1ea;
}

.qs-section-dark h2,
.qs-section-dark h3,
.qs-section-dark a {
    color: #fff;
}

.qs-section-dark .qs-section-heading p,
.qs-section-dark .qs-text-link {
    color: #bdc7bb;
}

.qs-insight-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qs-insight-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--qs-radius);
    overflow: hidden;
    padding: 24px;
    position: relative;
    transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.qs-insight-card:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-7px);
}

.qs-insight-card > span {
    color: #e9a66f;
    font-size: 12px;
    font-weight: 700;
}

.qs-insight-card p {
    color: #bdc7bb;
}

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

.qs-cooperation-card {
    background:
        radial-gradient(circle at 88% 8%, rgba(223, 125, 50, 0.11), transparent 28%),
        linear-gradient(145deg, #fffdf8, #f6f1e7);
    border: 1px solid var(--qs-line);
    border-radius: var(--qs-radius);
    overflow: hidden;
    padding: 28px;
    position: relative;
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.qs-cooperation-card:hover {
    border-color: rgba(49, 91, 67, 0.22);
    box-shadow: var(--qs-shadow);
    transform: translateY(-7px);
}

.qs-cooperation-card > span {
    color: var(--qs-accent-dark);
    font-size: 13px;
    font-weight: 700;
}

.qs-cooperation-card h3 {
    font-size: 23px;
    margin: 12px 0;
}

.qs-cooperation-card p {
    color: var(--qs-muted);
    min-height: 72px;
}

.qs-page-intro {
    background: var(--qs-tint);
    border-radius: 26px;
    margin-top: 24px;
    padding: 62px 38px;
    text-align: center;
}

.qs-page-intro h1 {
    font-size: clamp(36px, 5vw, 58px);
    margin-bottom: 14px;
}

.qs-page-intro p {
    color: var(--qs-muted);
    font-size: 18px;
    margin: auto;
    max-width: 760px;
}

.qs-cooperation-detail {
    align-items: start;
    border-bottom: 1px solid var(--qs-line);
    display: grid;
    gap: 50px;
    grid-template-columns: 1fr 1fr;
    padding: 64px 30px;
    scroll-margin-top: 100px;
}

.qs-cooperation-detail h2 {
    font-size: 34px;
}

.qs-cooperation-detail ul {
    list-style: none;
    margin: 0 0 24px;
    padding: 0;
}

.qs-cooperation-detail li {
    margin: 7px 0;
}

.qs-contact-box,
.qs-prose-box,
.qs-article-cta {
    background: var(--qs-dark);
    border-radius: 24px;
    color: #dce3d9;
    padding: 42px;
}

.qs-contact-box h2,
.qs-article-cta h2,
.qs-prose-box h2 {
    color: #fff;
}

.qs-article-cta {
    margin-top: 42px;
}

.qs-sidebar-box {
    background: var(--qs-tint);
    border: 1px solid var(--qs-line);
    border-radius: 16px;
    padding: 22px;
}

.qs-sidebar-box h3 {
    margin: 0 0 16px;
}

.qs-sidebar-box a {
    border-top: 1px solid var(--qs-line);
    color: var(--qs-ink);
    display: flex;
    justify-content: space-between;
    padding: 11px 0;
    text-decoration: none;
}

.qs-empty {
    background: #f7f5ef;
    border: 1px dashed #d8d1c3;
    border-radius: var(--qs-radius);
    color: var(--qs-muted);
    padding: 34px;
    text-align: center;
}

.qs-mobile-actions {
    display: none;
}

.qs-reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.56s ease, transform 0.56s ease;
}

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

.qs-quick-card.qs-reveal.is-visible:hover,
.qs-card.qs-reveal.is-visible:hover {
    transform: translateY(-8px);
}

.qs-path-card.qs-reveal.is-visible:hover {
    transform: translateY(-6px);
}

.qs-insight-card.qs-reveal.is-visible:hover,
.qs-cooperation-card.qs-reveal.is-visible:hover {
    transform: translateY(-7px);
}

@media (prefers-reduced-motion: reduce) {
    .qs-button,
    .qs-hero-panel,
    .qs-panel-item,
    .qs-quick-card,
    .qs-card,
    .qs-path-card,
    .qs-insight-card,
    .qs-cooperation-card,
    .qs-reveal {
        transition: none;
    }

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

@media (max-width: 960px) {
    .qs-section {
        padding: 44px 24px;
    }

    .qs-hero {
        gap: 30px;
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 680px) {
    body {
        padding-bottom: 64px;
    }

    .qs-section,
    .qs-page-intro,
    .qs-cooperation-page,
    .qs-prose-box,
    .qs-article-cta {
        font-size: 15px;
        margin-bottom: 18px;
    }

    .qs-section {
        padding: 34px 16px;
    }

    .qs-hero {
        border-radius: 20px;
        gap: 24px;
        min-height: auto;
        padding-top: 36px;
    }

    .qs-hero h1 {
        font-size: 48px;
    }

    .qs-hero h2 {
        font-size: 25px;
    }

    .qs-hero-copy > p {
        font-size: 16px;
    }

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

    .qs-trust-row {
        display: none;
    }

    .qs-hero-panel {
        padding: 18px;
    }

    .qs-section-heading {
        align-items: start;
        flex-direction: column;
        gap: 8px;
    }

    .qs-section-heading h2 {
        font-size: 29px;
    }

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

    .qs-quick-card {
        min-height: 154px;
        padding: 18px;
    }

    .qs-quick-card strong {
        font-size: 17px;
    }

    .qs-path-grid,
    .qs-card-grid,
    .qs-insight-grid,
    .qs-cooperation-grid {
        grid-template-columns: 1fr;
    }

    .qs-path-card,
    .qs-card,
    .qs-insight-card,
    .qs-cooperation-card {
        min-height: 0;
    }

    .qs-step {
        margin-bottom: 12px;
    }

    .qs-page-intro {
        border-radius: 18px;
        margin-top: 12px;
        padding: 38px 18px;
    }

    .qs-page-intro h1 {
        font-size: 34px;
    }

    .qs-page-intro p {
        font-size: 16px;
    }

    .qs-cooperation-detail {
        gap: 18px;
        grid-template-columns: 1fr;
        padding: 42px 16px;
    }

    .qs-contact-box,
    .qs-prose-box,
    .qs-article-cta {
        border-radius: 18px;
        padding: 28px 20px;
    }

    .qs-mobile-actions {
        background: rgba(255, 255, 255, 0.96);
        border-top: 1px solid var(--qs-line);
        bottom: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        left: 0;
        padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
        position: fixed;
        right: 0;
        z-index: 9998;
    }

    .qs-mobile-actions a {
        border-radius: 999px;
        color: var(--qs-ink);
        font-size: 14px;
        font-weight: 700;
        padding: 9px 12px;
        text-align: center;
        text-decoration: none;
    }

    .qs-mobile-actions a:last-child {
        background: var(--qs-accent);
        color: #fff;
    }
}