* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #111827;
    background: #ffffff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

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

.oneclick-page {
    min-height: 100vh;
    background: #ffffff;
    overflow-x: hidden;
}

.oneclick-page .ming-container,
.oc-container {
    width: min(1080px, calc(100% - 48px));
    margin: 0 auto;
}

.oneclick-page .ming-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid #edf1f7;
    backdrop-filter: blur(14px);
}

.oneclick-page .ming-nav {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.oneclick-page .ming-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 800;
    color: #101827;
    white-space: nowrap;
}

.oneclick-page .ming-logo-mark {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 17px;
    font-weight: 800;
    border-radius: 9px;
    background: linear-gradient(135deg, #2d7cff 0%, #165dff 100%);
    box-shadow: 0 10px 22px rgba(22, 93, 255, 0.22);
}

.oneclick-page .ming-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 34px;
    color: #111827;
    font-size: 15px;
    font-weight: 600;
}

.oneclick-page .ming-menu a {
    color: #111827;
    opacity: 0.86;
    transition: color 0.2s ease, opacity 0.2s ease;
}

.oneclick-page .ming-menu a:hover {
    color: #1664ff;
    opacity: 1;
}

.oneclick-page .ming-nav-phone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 116px;
    height: 42px;
    padding: 0 20px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    border-radius: 8px;
    background: linear-gradient(135deg, #216fff 0%, #0d55e8 100%);
    box-shadow: 0 10px 22px rgba(22, 93, 255, 0.24);
}

.oc-hero {
    position: relative;
    padding: 64px 0 70px;
    background:
        radial-gradient(circle at 84% 18%, rgba(41, 121, 255, 0.13), transparent 32%),
        radial-gradient(circle at 16% 20%, rgba(41, 121, 255, 0.08), transparent 36%),
        linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
    overflow: hidden;
}

.oc-hero::after {
    content: "";
    position: absolute;
    right: -120px;
    top: 20px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(22, 93, 255, 0.06);
}

.oc-hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 470px;
    gap: 58px;
    align-items: center;
}

.oc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    margin-bottom: 18px;
    color: #1d4ed8;
    font-size: 14px;
    font-weight: 700;
    border: 1px solid #d9e7ff;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
}

.oc-kicker-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    border-radius: 7px;
    background: #1664ff;
}

.oc-hero h1 {
    margin: 0;
    color: #111827;
    font-size: 48px;
    line-height: 1.18;
    letter-spacing: -1.4px;
    font-weight: 900;
}

.oc-hero h1 span {
    color: #1664ff;
}

.oc-hero-copy p {
    max-width: 520px;
    margin: 24px 0 0;
    color: #374151;
    font-size: 18px;
    line-height: 1.8;
}

.oc-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 34px;
}

.oc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.oc-btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, #216fff 0%, #0b55ea 100%);
    box-shadow: 0 14px 26px rgba(22, 93, 255, 0.28);
}

.oc-btn-light {
    color: #111827;
    background: #ffffff;
    border: 1px solid #b8ccf4;
}

.oc-btn-light:hover {
    border-color: #1664ff;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.oc-hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-top: 42px;
}

.oc-hero-points span {
    position: relative;
    color: #536174;
    font-size: 14px;
    font-weight: 700;
    padding-left: 18px;
}

.oc-hero-points span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 9px;
    height: 9px;
    border: 2px solid #1664ff;
    border-radius: 3px;
    transform: translateY(-50%);
}

.oc-hero-preview {
    display: flex;
    justify-content: center;
}

.oc-window {
    width: 470px;
    padding: 18px 22px 22px;
    border: 1px solid #e6edf7;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.oc-window-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 1px solid #eef2f7;
}

.oc-window-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #111827;
    font-size: 16px;
}

.oc-window-title span {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 13px;
    border-radius: 7px;
    background: #1664ff;
}

.oc-window-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.oc-window-actions i {
    display: block;
    width: 14px;
    height: 2px;
    background: #8190a5;
}

.oc-window-actions i:last-child {
    width: 14px;
    height: 14px;
    background: none;
    border-radius: 50%;
    border: 2px solid #8190a5;
}

.oc-scene-select {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 0 12px;
    color: #111827;
    font-size: 16px;
    border-bottom: 1px solid #eef2f7;
}

.oc-scene-select em {
    font-style: normal;
    color: #6b7280;
}

.oc-task-list {
    padding: 4px 0 16px;
}

.oc-task-row {
    display: grid;
    grid-template-columns: 32px 1fr 64px;
    align-items: center;
    gap: 10px;
    min-height: 40px;
    color: #1f2937;
    font-size: 15px;
}

.oc-task-icon {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    border-radius: 7px;
    background: #eff6ff;
}

.oc-task-row small {
    color: #1557ff;
    font-size: 13px;
    font-weight: 800;
    text-align: right;
}

.oc-task-row small::after {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    margin-left: 8px;
    border-radius: 50%;
    background: currentColor;
    vertical-align: middle;
}

.oc-task-row .oc-wait {
    color: #64748b;
}

.oc-blue { color: #2563eb; }
.oc-cyan { color: #0284c7; }
.oc-coral { color: #1557ff; }
.oc-yellow { color: #f59e0b; }
.oc-purple { color: #7c3aed; }

.oc-start-btn {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 17px;
    font-weight: 900;
    border-radius: 8px;
    background: linear-gradient(135deg, #216fff 0%, #0b55ea 100%);
    box-shadow: 0 14px 24px rgba(22, 93, 255, 0.24);
}

.oc-section {
    padding: 56px 0;
}

.oc-section-title {
    max-width: 700px;
    margin: 0 auto 32px;
    text-align: center;
}

.oc-section-title h2 {
    margin: 0;
    color: #111827;
    font-size: 30px;
    line-height: 1.35;
    font-weight: 900;
    letter-spacing: -0.6px;
}

.oc-section-title p {
    margin: 12px 0 0;
    color: #64748b;
    font-size: 16px;
    line-height: 1.7;
}

.oc-card-grid {
    display: grid;
    gap: 26px;
}

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

.oc-card {
    min-height: 172px;
    padding: 28px 24px 22px;
    text-align: center;
    border: 1px solid #edf1f7;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.oc-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.oc-card-icon,
.oc-feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    width: 44px;
    height: 44px;
    font-size: 24px;
    border-radius: 13px;
}

.oc-card h3,
.oc-feature-item h3,
.oc-step-card h3 {
    margin: 0;
    color: #111827;
    font-size: 17px;
    line-height: 1.5;
    font-weight: 900;
}

.oc-card p,
.oc-feature-item p {
    margin: 10px 0 0;
    color: #64748b;
    font-size: 14px;
    line-height: 1.7;
}

.oc-icon-blue { color: #1664ff; background: #eaf2ff; }
.oc-icon-red { color: #ef4444; background: #fff1f2; }
.oc-icon-coral { color: #ff6b57; background: #fff0ec; }
.oc-icon-orange { color: #f59e0b; background: #fff7ed; }
.oc-icon-yellow { color: #f59e0b; background: #fffbeb; }
.oc-icon-purple { color: #8b5cf6; background: #f3efff; }

.oc-feature-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    border: 1px solid #edf1f7;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.05);
    overflow: hidden;
}

.oc-feature-item {
    min-height: 190px;
    padding: 34px 18px 24px;
    text-align: center;
    border-right: 1px solid #edf1f7;
}

.oc-feature-item:last-child {
    border-right: none;
}

.oc-steps {
    padding-top: 42px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.oc-step-list {
    display: grid;
    grid-template-columns: 1fr 54px 1fr 54px 1fr;
    gap: 20px;
    align-items: center;
}

.oc-step-card {
    position: relative;
    min-height: 190px;
    padding: 22px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid #edf1f7;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.05);
}

.oc-step-num {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 900;
    border-radius: 50%;
    background: #1664ff;
}

.oc-step-arrow {
    color: #8fb3ff;
    font-size: 36px;
    font-weight: 300;
    text-align: center;
}

.oc-step-box {
    margin-top: 18px;
    padding: 16px;
    border-radius: 12px;
    background: #f7faff;
}

.oc-step-box span {
    display: block;
    position: relative;
    padding-left: 18px;
    margin-bottom: 9px;
    color: #475569;
    font-size: 13px;
    font-weight: 700;
}

.oc-step-box span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border: 2px solid #8bb7ff;
    border-radius: 2px;
    transform: translateY(-50%);
}

.oc-step-box b {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    color: #ffffff;
    border-radius: 50%;
    background: #1664ff;
    box-shadow: 0 8px 18px rgba(22, 93, 255, 0.22);
}

.oc-step-icons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 78px;
}

.oc-step-icons i {
    color: #1664ff;
    font-size: 22px;
    font-style: normal;
}

.oc-big-play {
    width: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px auto 0;
    color: #ffffff;
    font-size: 25px;
    border-radius: 50%;
    background: linear-gradient(135deg, #216fff 0%, #0b55ea 100%);
    box-shadow: 0 16px 26px rgba(22, 93, 255, 0.24);
}

.oc-download {
    padding: 32px 0 52px;
    background: #ffffff;
}

.oc-download-inner {
    display: grid;
    grid-template-columns: 1fr 280px 260px;
    gap: 36px;
    align-items: center;
    padding: 36px 48px;
    border-radius: 18px;
    background:
        radial-gradient(circle at 58% 40%, rgba(22, 93, 255, 0.11), transparent 24%),
        linear-gradient(135deg, #edf6ff 0%, #f7fbff 100%);
}

.oc-download-copy h2 {
    margin: 0;
    color: #111827;
    font-size: 30px;
    line-height: 1.35;
    font-weight: 900;
}

.oc-download-copy p {
    max-width: 430px;
    margin: 14px 0 24px;
    color: #475569;
    font-size: 16px;
    line-height: 1.75;
}

.oc-download-copy small {
    display: block;
    margin-top: 12px;
    color: #64748b;
    font-size: 13px;
}

.oc-download-visual {
    display: flex;
    justify-content: center;
}

.oc-laptop {
    width: 230px;
}

.oc-laptop-screen {
    height: 134px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1664ff;
    font-size: 58px;
    border: 8px solid #2c4f8d;
    border-radius: 12px 12px 6px 6px;
    background: #f8fbff;
    box-shadow: inset 0 0 30px rgba(22, 93, 255, 0.08);
}

.oc-laptop-base {
    width: 260px;
    height: 16px;
    margin-left: -15px;
    border-radius: 0 0 26px 26px;
    background: linear-gradient(180deg, #d9e8ff 0%, #8fb3ff 100%);
}

.oc-version-card {
    padding: 24px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}

.oc-version-card p {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    margin: 0 0 16px;
    color: #64748b;
    font-size: 14px;
}

.oc-version-card p:last-child {
    margin-bottom: 0;
}

.oc-version-card strong {
    color: #111827;
}

.oc-faq {
    padding-top: 8px;
}

.oc-section-title-row {
    max-width: none;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    text-align: left;
}

.oc-section-title-row a {
    color: #1664ff;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
}

.oc-faq-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.oc-faq-list details {
    border: 1px solid #edf1f7;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.oc-faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 58px;
    padding: 0 18px;
    color: #111827;
    font-size: 15px;
    font-weight: 900;
    cursor: pointer;
    list-style: none;
}

.oc-faq-list summary::-webkit-details-marker {
    display: none;
}

.oc-faq-list summary::after {
    content: "⌄";
    color: #64748b;
    font-size: 16px;
}

.oc-faq-list details[open] summary::after {
    transform: rotate(180deg);
}

.oc-faq-list details p {
    margin: 0;
    padding: 0 18px 18px;
    color: #64748b;
    font-size: 14px;
    line-height: 1.75;
}

.oneclick-page .ming-footer {
    padding: 34px 0;
    color: rgba(255, 255, 255, 0.82);
    background: linear-gradient(135deg, #101827 0%, #111f35 100%);
}

.oneclick-page .ming-footer .ming-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.oneclick-page .ming-footer div div {
    color: #ffffff;
    font-size: 20px;
    font-weight: 900;
}

.oneclick-page .ming-footer p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 14px;
}

@media (max-width: 1100px) {
    .oc-hero-inner {
        grid-template-columns: 1fr;
    }

    .oc-hero-preview {
        justify-content: flex-start;
    }

    .oc-card-grid-4,
    .oc-faq-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .oc-feature-item:nth-child(3n) {
        border-right: none;
    }

    .oc-feature-item:nth-child(n + 4) {
        border-top: 1px solid #edf1f7;
    }

    .oc-download-inner {
        grid-template-columns: 1fr;
    }

    .oc-download-visual {
        justify-content: flex-start;
    }
}

@media (max-width: 860px) {
    .oneclick-page .ming-menu {
        display: none;
    }

    .oc-hero {
        padding-top: 46px;
    }

    .oc-hero h1 {
        font-size: 38px;
    }

    .oc-window {
        width: 100%;
    }

    .oc-step-list {
        grid-template-columns: 1fr;
    }

    .oc-step-arrow {
        display: none;
    }

    .oc-section-title-row {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .oneclick-page .ming-container,
    .oc-container {
        width: min(100% - 28px, 1080px);
    }

    .oneclick-page .ming-nav {
        height: 64px;
    }

    .oneclick-page .ming-logo {
        font-size: 18px;
    }

    .oneclick-page .ming-nav-phone {
        min-width: auto;
        height: 38px;
        padding: 0 14px;
        font-size: 13px;
    }

    .oc-hero h1 {
        font-size: 32px;
        letter-spacing: -0.8px;
    }

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

    .oc-btn {
        width: 100%;
    }

    .oc-hero-points {
        gap: 14px 20px;
    }

    .oc-task-row {
        grid-template-columns: 28px 1fr;
    }

    .oc-task-row small {
        grid-column: 2;
        text-align: left;
    }

    .oc-card-grid-4,
    .oc-feature-grid,
    .oc-faq-list {
        grid-template-columns: 1fr;
    }

    .oc-feature-item,
    .oc-feature-item:nth-child(n) {
        border-right: none;
        border-top: 1px solid #edf1f7;
    }

    .oc-feature-item:first-child {
        border-top: none;
    }

    .oc-download-inner {
        padding: 28px 20px;
    }

    .oc-download-copy h2,
    .oc-section-title h2 {
        font-size: 26px;
    }

    .oc-laptop {
        transform: scale(0.86);
        transform-origin: left center;
    }

    .oneclick-page .ming-footer .ming-container {
        align-items: flex-start;
        flex-direction: column;
    }
}