/* 加入我们 · 生态共建（蓝青主题） */

:root {
    --pt-accent: #2563eb;
    --pt-accent-dark: #1d4ed8;
    --pt-accent-deep: #1e3a8a;
    --pt-accent-soft: #eff6ff;
    --pt-teal: #0ea5e9;
    --pt-bg: #f8fafc;
    --pt-surface: #fff;
    --pt-text: #0f172a;
    --pt-muted: #64748b;
    --pt-border: #e2e8f0;
    --pt-radius: 16px;
    --pt-shadow: 0 12px 40px rgba(30, 58, 138, 0.1);
    --of-card: #fff;
    --of-border: #e2e8f0;
    --of-muted: #64748b;
    --of-text: #0f172a;
    --of-primary: #2563eb;
    --of-primary-dark: #1d4ed8;
    --of-success: #059669;
}

.partner-page {
    background: var(--pt-bg);
    color: var(--pt-text);
    -webkit-font-smoothing: antialiased;
}

.partner-page .site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--pt-border);
}

/* Hero */
.pt-lead {
    padding: 24px 0 0;
    background: var(--pt-bg);
}
.pt-lead .pt-panel {
    border-radius: var(--pt-radius);
    overflow: hidden;
    box-shadow: var(--pt-shadow);
}
.pt-hero {
    display: grid;
    gap: 32px;
    align-items: center;
    padding: 48px 28px;
    color: #fff;
    background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 35%, #2563eb 55%, #0ea5e9 100%);
}
@media (min-width: 900px) {
    .pt-hero {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 40px;
        padding: 56px 48px;
    }
}
.pt-hero__kicker {
    display: inline-block;
    margin: 0 0 12px;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #bfdbfe;
    background: rgba(147, 197, 253, 0.15);
    border: 1px solid rgba(147, 197, 253, 0.35);
}
.pt-hero h1 {
    margin: 0 0 16px;
    font-size: clamp(1.5rem, 3.5vw, 2.125rem);
    font-weight: 800;
    line-height: 1.35;
}
.pt-hero__copy > p {
    margin: 0 0 20px;
    font-size: 0.9375rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.92);
}
.pt-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}
.pt-hero__tags span {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid rgba(191, 219, 254, 0.45);
    background: rgba(255, 255, 255, 0.08);
    font-size: 0.8125rem;
    color: #dbeafe;
}
.pt-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.pt-hero__btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: transform 0.2s, box-shadow 0.2s;
}
.pt-hero__btn--primary {
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    color: #1e3a8a !important;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}
.pt-hero__btn--ghost {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff !important;
    background: transparent;
}
.pt-hero__visual {
    position: relative;
    width: 100%;
    max-width: 360px;
    min-height: 220px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.pt-hero__visual .mock-phone {
    position: absolute;
    right: 8%;
    bottom: 12px;
    width: 110px;
    transform: rotate(4deg);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

/* Stats */
.pt-stats {
    padding: 28px 0;
    background: var(--pt-surface);
    border-bottom: 1px solid var(--pt-border);
}
.pt-stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    text-align: center;
}
@media (min-width: 640px) {
    .pt-stats__grid { grid-template-columns: repeat(4, 1fr); }
}
.pt-stats__item strong {
    display: block;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--pt-accent);
    line-height: 1.2;
}
.pt-stats__item span {
    font-size: 0.8125rem;
    color: var(--pt-muted);
}

/* Section head */
.pt-section-head {
    text-align: center;
    margin-bottom: 36px;
}
.pt-section-head h2 {
    margin: 0 0 14px;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    color: var(--pt-text);
}
.pt-section-head p {
    margin: 0 auto;
    max-width: 52em;
    font-size: 0.9375rem;
    line-height: 1.85;
    color: var(--pt-muted);
}
.pt-section-head a {
    color: var(--pt-accent-dark);
    font-weight: 600;
}
.pt-section-kicker {
    display: inline-block;
    margin: 0 0 12px;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--pt-accent-dark);
    background: var(--pt-accent-soft);
    border: 1px solid #bfdbfe;
}
.pt-section-head--light h2,
.pt-section-head--light .pt-apply-title { color: var(--pt-text); }

/* Values */
.pt-values {
    padding: 40px 0 48px;
    background: var(--pt-bg);
}
.pt-values__grid {
    display: grid;
    gap: 16px;
}
@media (min-width: 768px) {
    .pt-values__grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}
.pt-value {
    padding: 28px 22px;
    border-radius: 14px;
    color: #fff;
    text-align: center;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
    transition: transform 0.2s;
}
.pt-value:hover { transform: translateY(-3px); }
.pt-value__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.2);
    font-size: 1.5rem;
    line-height: 1;
}
.pt-value h3 {
    margin: 0 0 10px;
    font-size: 1.0625rem;
    font-weight: 700;
}
.pt-value p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.7;
    opacity: 0.95;
}
.pt-value--brand { background: linear-gradient(160deg, #3b82f6, #2563eb); }
.pt-value--roi { background: linear-gradient(160deg, #8b5cf6, #7c3aed); }
.pt-value--rights { background: linear-gradient(160deg, #10b981, #059669); }
.pt-value--service { background: linear-gradient(160deg, #f59e0b, #ea580c); }

/* Support */
.pt-support {
    padding: 56px 0 64px;
    background: var(--pt-surface);
    border-top: 1px solid var(--pt-border);
}
.pt-support__grid {
    display: grid;
    gap: 20px;
}
@media (min-width: 640px) {
    .pt-support__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .pt-support__grid { grid-template-columns: repeat(3, 1fr); }
}
.pt-support-card {
    position: relative;
    padding: 28px 24px 24px;
    border-radius: 14px;
    color: #fff;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
    transition: transform 0.2s;
}
.pt-support-card:hover { transform: translateY(-3px); }
.pt-support-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.22);
    font-size: 1.375rem;
    line-height: 1;
}
.pt-support-card h3 {
    margin: 0 0 10px;
    font-size: 1.0625rem;
    font-weight: 700;
}
.pt-support-card p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.75;
    opacity: 0.95;
    text-align: left;
}
.pt-support-card--product { background: linear-gradient(180deg, #f97316, #ea580c); }
.pt-support-card--custom { background: linear-gradient(180deg, #38bdf8, #0ea5e9); }
.pt-support-card--material { background: linear-gradient(180deg, #f472b6, #ec4899); }
.pt-support-card--channel { background: linear-gradient(180deg, #a78bfa, #8b5cf6); }
.pt-support-card--tech { background: linear-gradient(180deg, #fbbf24, #f59e0b); color: #422006; }
.pt-support-card--tech p { opacity: 0.88; }
.pt-support-card--care { background: linear-gradient(180deg, #fb7185, #f43f5e); }

/* Coop cards */
.pt-coop {
    padding: 64px 0 72px;
    background: linear-gradient(180deg, var(--pt-bg) 0%, #fff 50%, var(--pt-bg) 100%);
}
.pt-coop__grid {
    display: grid;
    gap: 20px;
}
@media (min-width: 900px) {
    .pt-coop__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
.pt-coop-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 24px 22px 20px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--pt-border);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.pt-coop-card:hover,
.pt-coop-card:focus-visible {
    transform: translateY(-3px);
    border-color: #93c5fd;
    box-shadow: 0 14px 36px rgba(37, 99, 235, 0.1);
    outline: none;
}
.pt-coop-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.pt-coop-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    font-size: 1.375rem;
    line-height: 1;
}
.pt-coop-card__tag {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
}
.pt-coop-card--tech { border-top: 3px solid #2563eb; }
.pt-coop-card--tech .pt-coop-card__icon { background: #eff6ff; }
.pt-coop-card--tech .pt-coop-card__tag { color: #1d4ed8; background: #dbeafe; }
.pt-coop-card--settle { border-top: 3px solid #059669; }
.pt-coop-card--settle .pt-coop-card__icon { background: #ecfdf5; }
.pt-coop-card--settle .pt-coop-card__tag { color: #047857; background: #d1fae5; }
.pt-coop-card--channel { border-top: 3px solid #d97706; }
.pt-coop-card--channel .pt-coop-card__icon { background: #fffbeb; }
.pt-coop-card--channel .pt-coop-card__tag { color: #b45309; background: #fef3c7; }
.pt-coop-card--brand { border-top: 3px solid #7c3aed; }
.pt-coop-card--brand .pt-coop-card__icon { background: #f5f3ff; }
.pt-coop-card--brand .pt-coop-card__tag { color: #6d28d9; background: #ede9fe; }
.pt-coop-card h3 {
    margin: 0 0 6px;
    font-size: 1.125rem;
    font-weight: 800;
}
.pt-coop-card__hl {
    margin: 0 0 10px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--pt-accent-dark);
}
.pt-coop-card__desc {
    margin: 0 0 12px;
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--pt-muted);
}
.pt-coop-card__hint {
    font-size: 0.8125rem;
    line-height: 1.65;
    margin: 0 0 12px;
    padding: 10px 12px;
    background: #f0fdf4;
    border-radius: 8px;
    border-left: 3px solid #059669;
    color: #166534;
}
.pt-coop-card__hint a { color: #059669; font-weight: 600; }
.pt-coop-card__points {
    margin: 0 0 16px;
    padding: 0;
    list-style: none;
    flex: 1;
}
.pt-coop-card__points li {
    position: relative;
    padding: 5px 0 5px 14px;
    font-size: 0.8125rem;
    line-height: 1.65;
    color: #475569;
}
.pt-coop-card__points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--pt-accent);
}
.pt-coop-card__points a { color: var(--pt-accent-dark); font-weight: 600; }
.pt-coop-card__menus {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px dashed #e2e8f0;
}
.pt-coop-card__menus span {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: #475569;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

/* Empower */
.pt-empower {
    padding: 56px 0 64px;
    background: var(--pt-surface);
    border-top: 1px solid var(--pt-border);
}
.pt-empower__grid {
    display: grid;
    gap: 16px;
    margin-bottom: 28px;
}
@media (min-width: 640px) {
    .pt-empower__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
.pt-empower-card {
    padding: 24px 22px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--pt-border);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s, border-color 0.2s;
}
.pt-empower-card:hover {
    transform: translateY(-2px);
    border-color: #bfdbfe;
}
.pt-empower-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 12px;
    border-radius: 12px;
    font-size: 1.25rem;
    line-height: 1;
}
.pt-empower-card--tech { border-top: 3px solid #2563eb; }
.pt-empower-card--tech .pt-empower-card__icon { background: #eff6ff; }
.pt-empower-card--traffic { border-top: 3px solid #10b981; }
.pt-empower-card--traffic .pt-empower-card__icon { background: #ecfdf5; }
.pt-empower-card--ops { border-top: 3px solid #f59e0b; }
.pt-empower-card--ops .pt-empower-card__icon { background: #fffbeb; }
.pt-empower-card--eco { border-top: 3px solid #8b5cf6; }
.pt-empower-card--eco .pt-empower-card__icon { background: #f5f3ff; }
.pt-empower-card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    font-weight: 800;
}
.pt-empower-card p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--pt-muted);
}
.pt-empower-card a { color: var(--pt-accent-dark); font-weight: 600; }
.pt-traffic-band {
    background: linear-gradient(90deg, #eff6ff, #f0fdf4);
    border: 1px solid #bfdbfe;
    border-radius: 14px;
    padding: 24px 28px;
}
.pt-traffic-band h3 {
    margin: 0 0 14px;
    font-size: 1rem;
    font-weight: 800;
    color: var(--pt-accent-deep);
}
.pt-traffic-band ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.pt-traffic-band li {
    position: relative;
    padding: 6px 0 6px 16px;
    font-size: 0.875rem;
    line-height: 1.75;
    color: var(--pt-muted);
}
.pt-traffic-band li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pt-accent);
}
.pt-traffic-band a { color: var(--pt-accent-dark); font-weight: 600; }

/* Flow */
.pt-flow {
    padding: 56px 0 64px;
    background: var(--pt-bg);
}
.pt-flow__steps {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}
@media (min-width: 768px) {
    .pt-flow__steps { grid-template-columns: repeat(4, 1fr); gap: 14px; }
}
.pt-flow__step {
    padding: 22px 18px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--pt-border);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
.pt-flow__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-bottom: 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}
.pt-flow__step h3 {
    margin: 0 0 8px;
    font-size: 0.9375rem;
    font-weight: 800;
}
.pt-flow__step p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--pt-muted);
}

/* Audience */
.pt-audience {
    padding: 56px 0 64px;
    background: var(--pt-surface);
    border-top: 1px solid var(--pt-border);
}
.pt-audience__grid {
    display: grid;
    gap: 16px;
}
@media (min-width: 640px) {
    .pt-audience__grid { grid-template-columns: repeat(2, 1fr); }
}
.pt-audience__item {
    padding: 24px 22px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--pt-border);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
.pt-audience__item h3 {
    margin: 0 0 10px;
    font-size: 1rem;
    font-weight: 800;
    color: var(--pt-accent-dark);
}
.pt-audience__item p {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.75;
    color: var(--pt-muted);
}

/* Apply form */
.pt-apply {
    padding: 56px 0 64px;
    background: linear-gradient(180deg, #e2e8f0 0%, #f1f5f9 100%);
}
.pt-apply-title {
    margin: 0 0 8px;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
}
.pt-apply-lead {
    margin: 0;
    color: var(--pt-muted);
    font-size: 0.9375rem;
}
.partner-page .container--wide {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.partner-page .apply-panel {
    background: #fff;
    border: 1px solid var(--pt-border);
    border-radius: 16px;
    padding: 36px 40px;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}
.partner-page .partner-form__field { margin-bottom: 22px; }
.partner-page .partner-form__label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pt-text);
    margin-bottom: 8px;
}
.partner-page .partner-form__label .req { color: #dc2626; }
.partner-page .partner-form__control {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--pt-text);
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.partner-page .partner-form__control:focus {
    outline: none;
    border-color: var(--pt-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.partner-page .partner-form__control::placeholder { color: #94a3b8; }
.partner-page select.partner-form__control {
    min-height: 48px;
    cursor: pointer;
}
.partner-page .partner-form__textarea {
    min-height: 140px;
    resize: vertical;
}
.partner-page .partner-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.partner-page .btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.0625rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--pt-accent), var(--pt-accent-dark));
    color: #fff;
    cursor: pointer;
    margin-top: 8px;
    transition: opacity 0.2s;
}
.partner-page .btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.partner-page .form-msg {
    margin-top: 12px;
    font-size: 0.875rem;
    text-align: center;
}
.partner-page .form-msg.is-ok { color: var(--of-success); }
.partner-page .form-msg.is-err { color: #dc2626; }

/* Notice */
.pt-notice {
    padding: 48px 0 56px;
    background: var(--pt-bg);
}
.pt-notice__box {
    padding: 28px 32px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--pt-border);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
.pt-notice__box h2 {
    margin: 0 0 16px;
    font-size: 1.125rem;
    font-weight: 800;
}
.partner-page .notice-list {
    margin: 0;
    font-size: 0.875rem;
    color: var(--pt-muted);
    padding-left: 1.2em;
    line-height: 1.85;
}

/* CTA */
.pt-cta {
    padding: 48px 0 64px;
    background: var(--pt-surface);
}
.pt-cta__bar {
    padding: 36px 32px;
    border-radius: var(--pt-radius);
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, #1e3a8a, #2563eb 50%, #0ea5e9);
    box-shadow: 0 16px 48px rgba(30, 58, 138, 0.25);
}
.pt-cta__bar h3 {
    margin: 0 0 10px;
    font-size: 1.25rem;
    font-weight: 800;
}
.pt-cta__bar p {
    margin: 0 0 20px;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
}
.pt-cta__bar a {
    display: inline-block;
    margin: 4px;
    padding: 10px 22px;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none !important;
    background: #dbeafe;
    color: #1e3a8a !important;
}
.pt-cta__bar a.pt-cta__ghost {
    background: transparent;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Selected coop card state */
.pt-coop-card.is-selected {
    border-color: var(--pt-accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), 0 14px 36px rgba(37, 99, 235, 0.12);
}

@media (max-width: 640px) {
    .pt-hero { padding: 40px 22px; }
    .partner-page .apply-panel { padding: 24px 20px; }
    .partner-page .partner-form__grid { grid-template-columns: 1fr; }
}