/* ========================================================================
   D2C-20260916-003 how-to-transfer-photos-from-dropbox-to-google-photos-iw
   完全重做（A 型 Figma 还原 psihOgERfdZ1H3muZ9NHkQ frame 2569:13563，2026-09-17）
   复用源：同族已验收页 002（how-to-transfer-google-photos-from-one-account-to-another-iw
   → gph-* 契约），类名体系按本页前缀 ot3- 派生；设计令牌（online-tools 族 conventions）：
   区块 padding 120px 40px / 内容子块 max-width 1280 居中（≥1920 侧距自然 320）；
   H2 PT Sans 700 36 居中 #000；正文大 18；次级 #5D5D5D；品牌蓝 #0055FF；深蓝 #021A60；
   页面灰 #F9FAFC；浅蓝 #EEF2FF；边框 #E5E7EB / 卡片边框 #E6E8E9；
   卡片 r16 阴影 0 4px 24px rgba(0,0,0,.05)；步骤蓝 #2258F6；功能蓝 #1D70EC
   断点：≤1439 侧距 40；≤991 两列；≤767 单列（侧距 20、纵 64）
   本页设计值差异（对照 frame 2569:13563 节点）：
   - pain 卡 600/680 分栏、卡高 400、间距 80、H3 32、绿勾行
   - choose/security 4 卡 308 宽 gap16；before 2×2 卡 628×230 图 240；explore 卡 410×370
   - support 6 列卡 200×138 gap 16/10；reviews 卡 570；compare 高亮列在第 2 列（left 200）
   - steps：stepbox 1280×552 r18 #EEF2FF padding 32 16（2026-09-18 纵向 32 配合 stepview
     负 margin ±16：右卡恒高于左步骤列防圆角缺口，常态板高 +16 内右移见 stepbox 注）；
     列表 448 + 视觉 800（gap 0 铺满内宽）
     tablist 422×50 徽章 left 383 top -15；CTA 422×64
   ======================================================================== */

.link-bl {
    color: #0055FF;
}

.link-bl:hover,
.link-bl:focus {
    color: #0055FF;
    text-decoration: underline;
}

/* ---------- shared section scaffolding ---------- */
.ot3-pain,
.ot3-choose,
.ot3-before,
.ot3-steps,
.ot3-manual,
.ot3-compare,
.ot3-explore,
.ot3-security,
.ot3-support,
.ot3-faqs {
    padding: 120px 40px;
}

.ot3-pain,
.ot3-before,
.ot3-explore,
.ot3-support,
.ot3-faqs {
    background: #F9FAFC;
}

.ot3-choose,
.ot3-steps,
.ot3-compare,
.ot3-security,
.ot3-reviews,
.ot3-cta {
    background: #FFF;
}

.ot3-head {
    max-width: 1280px;
    margin: 0 auto 80px;
    text-align: center;
}

.ot3-head h2 {
    margin: 0;
    font-size: 3.6rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
    text-align: center;
}

.ot3-head p {
    margin: 24px auto 0;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #000;
    text-align: center;
    max-width: 1280px;
}

.ot3-head-1220 {
    max-width: 1220px;
}

.ot3-head-1220 p {
    max-width: 1200px;
}

.ot3-head-980 p {
    max-width: 980px;
}

.ot3-head-1060 {
    max-width: 1060px;
}

.ot3-head-1060 p {
    max-width: 1060px;
}

.ot3-head-222 p {
    color: #222;
}

.ot3-head p a,
.ot3-pain-body p a,
.ot3-choose-card p a,
.ot3-before-body p a,
.ot3-sec-card p a,
.ot3-faq-a a {
    color: #0055FF;
}

.ot3-head-light h2,
.ot3-head-light p {
    color: #FFF;
}

/* ---------- 2. banner (Figma 2569:13565) ---------- */
.ot3-banner {
    position: relative;
    background: #021A60;
    overflow: hidden;
}

.ot3-banner-bg {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: url(/resource/images/how-to-transfer-photos-from-dropbox-to-google-photos-iw/banner-bg.jpg) center/cover no-repeat;
}

.ot3-banner-in {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 0 94px;
}

.ot3-banner-in h1 {
    margin: 0 auto 16px;
    font-size: 5.6rem;
    line-height: 1.25;
    font-weight: 700;
    color: #FFF;
    max-width: 1200px;
}

.ot3-banner-desc {
    margin: 0 auto 40px;
    font-size: 1.8rem;
    line-height: 1.6;
    color: #FFF;
    max-width: 1200px;
}

.ot3-banner-in iframe {
    display: block;
    margin: 0 auto;
    width: 1040px;
    max-width: calc(100% - 40px);
    height: 458px;
    border: 0;
    background: transparent;
}

.ot3-banner-text {
    margin-top: 16px;
    font-size: 1.4rem;
    line-height: 2rem;
    color: #fff;
    opacity: .8;
}

.ot3-banner-text a {
    color: #589BFF;
}

.ot3-banner-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    opacity: .5;
}

.ot3-banner-logos img {
    flex-shrink: 1;
    min-width: 0;
}

/* ---------- 3. pain points (Figma 2569:13657) ---------- */
.ot3-pain .ot3-head {
    margin-bottom: 80px;
}

.ot3-pain-cards {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.ot3-pain-card {
    display: flex;
    align-items: stretch;
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 24px;
    box-shadow: 0 4px 30px rgba(0, 46, 137, .1);
    overflow: hidden;
}

.ot3-pain-fig {
    flex: 0 0 600px;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(270deg, rgba(234, 234, 234, .2) 0%, rgba(252, 252, 254, .2) 11%), #FCFBFD;
}

.ot3-pain-fig img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
}

.ot3-pain-body {
    flex: 1 1 320px;
    min-width: 0;
    padding: 48px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 400px;
}

.ot3-pain-body h3 {
    margin: 0;
    font-size: 3.2rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
}

.ot3-pain-quote {
    margin: 26px 0 0;
    font-size: 1.6rem;
    line-height: 1.4;
    color: #5D5D5D;
}

.ot3-pain-fix {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
}

.ot3-pain-fix img {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.ot3-pain-fix p {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.4;
    color: #000;
}

@media (min-width: 1024px) {
    .ot3-pain-card {
        position: sticky;
        top: 15%;
        overflow: hidden;
        will-change: transform;
        transform-style: preserve-3d;
    }

}

/* ---------- 4. why choose (Figma 2569:13706) ---------- */
.ot3-choose .ot3-head p {
    max-width: 1200px;
}

.ot3-choose-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.ot3-choose-card {
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .04), 0 16px 32px -12px rgba(0, 0, 0, .07);
    min-height: 298px;
    padding: 40px 14px 32px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.ot3-choose-card img {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.ot3-choose-card h3 {
    margin: 0;
    font-size: 2rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
}

.ot3-choose-card p {
    margin: 0;
    font-size: 1.4rem;
    line-height: 2rem;
    color: #5D5D5D;
}

/* ---------- 5. before (Figma 2569:13754) ---------- */
.ot3-before-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.ot3-before-card {
    display: flex;
    align-items: center;
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .04), 0 16px 32px -12px rgba(0, 0, 0, .07);
    padding: 0 24px 0 0;
    overflow: hidden;
}

.ot3-before-fig {
    width: 240px;
    height: 230px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFF;
}

.ot3-before-fig img {
    width: 240px;
    height: 230px;
}

.ot3-before-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 24px 0;
    box-sizing: border-box;
}

.ot3-before-body h3 {
    margin: 0;
    font-size: 2.4rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
}

.ot3-before-body p {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.55;
    color: #5D5D5D;
}

/* ---------- 6. steps (Figma 2569:13783) ---------- */
.ot3-steps-in {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.ot3-steps .ot3-head {
    margin-bottom: 40px;
}

.ot3-tablist {
    position: relative;
    align-self: center;
    display: inline-flex;
    padding: 4px;
    background: #FFF;
    border: 1px solid #E8EAEF;
    border-radius: 8px;
}

.ot3-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 24px;
    border: 0;
    border-radius: 4px;
    background: #FFF;
    font-family: inherit;
    font-size: 1.6rem;
    font-weight: 400;
    color: #000;
    cursor: pointer;
}

.ot3-tab.is-active {
    background: #0055FF;
    color: #FFF;
    font-weight: 700;
}

.ot3-tab-badge {
    position: absolute;
    left: 383px;
    top: -15px;
    width: 92px;
    height: 42px;
}

.ot3-steps-tabs {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.ot3-tabpanel[hidden] {
    display: none;
}

/* 2026-09-18 高度关系修复：右截图卡恒略高于左步骤列——stepbox 纵向 padding 16→32，
   stepview 负 margin ±16。拉伸态（左列文字长撑高）：卡 inset 16、左列 inset 32、错位 16=圆角
   半径，消除用户截图 4 的"两处小方缺口"；常态（卡高驱动）：卡 inset/位置不变，左列自然高
   >卡高-32 时改由左列驱动、板高 +13~16px（567.7/526.1 vs 原 552/512.8，已测实收口径） */
.ot3-stepbox {
    display: flex;
    align-items: stretch;
    background: #EEF2FF;
    border-radius: 18px;
    padding: 32px 16px;
    box-sizing: border-box;
}

.ot3-steplist {
    flex: 0 0 448px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.ot3-stepitem {
    position: relative;
    display: block;
    width: 100%;
    text-align: left;
    box-sizing: border-box;
    background: #FFF;
    border: 0;
    border-radius: 8px 0 0 8px;
    padding: 24px 28px 22px 34px;
    font-family: inherit;
    cursor: pointer;
}

.ot3-stepitem .ot3-stepitem-tt {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: #000;
    line-height: 1.3;
}

.ot3-stepitem .ot3-stepitem-desc {
    display: block;
    margin-top: 7px;
    font-size: 1.6rem;
    line-height: 1.45;
    color: #000;
}

.ot3-stepitem.is-active {
    box-shadow: 0 18px 32px rgba(34, 88, 246, .13);
}

.ot3-stepitem.is-active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    background: #2258F6;
    border-radius: 8px 0 0 8px;
}

.ot3-stepitem.is-active .ot3-stepitem-tt {
    color: #0055FF;
}

.ot3-stepview {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFF;
    border-radius: 16px;
    padding: 16px;
    box-sizing: border-box;
    box-shadow: 0 12px 24px rgba(0, 0, 0, .05);
    min-height: 520px;
    margin-top: -16px;
    margin-bottom: -16px;
    /* 2026-09-18：恒高于左步骤列，见 .ot3-stepbox 注 */
}

.ot3-stepview-zoom {
    display: block;
    padding: 0;
    border: 0;
    background: none;
    cursor: zoom-in;
    line-height: 0;
}

.ot3-stepview-img {
    width: 768px;
    max-width: 100%;
    height: auto;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    background: #FFF;
}

.ot3-steps-cta {
    text-align: center;
}

.ot3-steps-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 0 40px;
    background: #0055FF;
    border-radius: 8px;
    color: #FFF;
    font-size: 2rem;
    font-weight: 700;
    line-height: 2.6rem;
    white-space: nowrap;
}

/* ---------- 7. manual ways (Figma 2569:13816) ---------- */
.ot3-manual {
    background: #021A60;
}

.ot3-manual-card {
    max-width: 1280px;
    margin: 0 auto;
    background: #FFF;
    border-radius: 16px;
    overflow: hidden;
}

.ot3-manual-tabs {
    display: flex;
    align-items: stretch;
    background: #0055FF;
}

.ot3-manual-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    background: transparent;
    border: 0;
    border-radius: 0;
    font-family: inherit;
    font-size: 1.6rem;
    font-weight: 700;
    color: #FFF;
    cursor: pointer;
    padding: 0;
}

.ot3-manual-tab:first-child {
    border-radius: 16px 16px 0 0;
}

.ot3-manual-tab:last-child {
    border-radius: 0 16px 0 0;
}

/* 2026-09-18 用户反馈：激活 tab 上缘两角都要圆角（Way2 激活时内上角不再是直角） */
.ot3-manual-tab.is-active {
    background: #FFF;
    color: #0055FF;
    border-radius: 16px 16px 0 0;
}

.ot3-manual-tab:not(.is-active) .ot3-manual-tab-in {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    box-shadow: inset 0 -1px 0 #4E79F8;
}

.ot3-manual-body {
    padding: 24px;
}

.ot3-manual-body h3 {
    margin: 0 0 24px;
    font-size: 2.4rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
    text-align: center;
}

.ot3-stepbox-manual {
    align-items: stretch;
}

.ot3-stepbox-manual .ot3-steplist {
    flex: 1 1 320px;
}

.ot3-stepview-manual {
    min-height: 480px;
    flex: 0 1 760px;
}

/* ---------- 8. compare (Figma 2569:13845) ---------- */
.ot3-compare-wrap {
    max-width: 1280px;
    margin: 0 auto;
    overflow-x: auto;
}

.ot3-compare-card {
    position: relative;
    min-width: 1280px;
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
}

.ot3-crow {
    display: grid;
    grid-template-columns: 200px 360px 1fr 1fr;
    height: 72px;
}

.ot3-cell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px 20px;
    box-sizing: border-box;
    border-bottom: 1px solid #E5E7EB;
    font-size: 1.4rem;
    line-height: 1.4;
    color: #000;
    text-align: center;
    overflow-wrap: break-word;
    white-space: pre-line;
}

.ot3-cell:not(:last-child) {
    border-right: 1px solid #E5E7EB;
}

.ot3-crow:last-child .ot3-cell {
    border-bottom: 0;
}

.ot3-cell-dim {
    justify-content: flex-start;
    text-align: left;
    font-weight: 700;
    border-right: 1px solid #E5E7EB;

}

.ot3-crow-head .ot3-cell-dim {
    border-top-left-radius: 16px;
}

.ot3-crow:nth-last-child(2) .ot3-cell-dim {
    border-bottom-left-radius: 16px;
}

.ot3-crow:nth-last-child(2) .ot3-cell:nth-last-child(2) {
    border-bottom-right-radius: 16px;
}

.ot3-crow-head .ot3-cell {
    font-weight: 700;
}

.ot3-crow-head .ot3-cell-dim {
    background: #F9FAFC;
}

.ot3-crow-alt .ot3-cell {
    background: #F9FAFC;
}

.ot3-crow-alt .ot3-cell-dim {
    border-right: 1px solid #E5E7EB;
}

/* MultCloud 高亮列：叠加层盖在第 2 列（设计帧 Frame 2：x520 宽 360 全表高） */
.ot3-compare-overlay {
    position: absolute;
    left: 200px;
    top: 0;
    width: 360px;
    bottom: 0;
    background: #EEF2FF;
    border: 2px solid #1D70EC;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(29, 112, 236, .15);
    overflow: hidden;
}

.ot3-compare-overlay .ot3-crow {
    grid-template-columns: 1fr;
}

.ot3-compare-overlay .ot3-cell {
    border-right: 0;
    background: transparent;
}

.ot3-compare-overlay .ot3-crow:not(.ot3-crow-head) .ot3-cell {
    border-bottom: 1px solid rgba(229, 231, 235, .6);
}

.ot3-compare-overlay .ot3-crow:last-child .ot3-cell {
    border-bottom: 0;
}

.ot3-cell-mc-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #EEF2FF;
}

.ot3-cell-stars {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ot3-cell-stars svg {
    width: 16px;
    height: 16px;
    display: block;
}

/* ≤767 堆叠卡时 MultCloud 值的行内副本 */
.ot3-crow .ot3-cell-mcx {
    display: none;
}

.ot3-compare-note {
    max-width: 1280px;
    margin: 80px auto 0;
    text-align: center;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #000;
}

/* ---------- 9. explore (Figma 2569:13985) ---------- */
.ot3-explore-cards {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
}

.ot3-explore-card {
    flex: 0 1 410px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: #FFF;
    border: 1px solid #E6E8E9;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
    padding-bottom: 24px;
    box-sizing: border-box;
    overflow: hidden;
}

.ot3-explore-head {
    width: 100%;
    height: auto;
    display: block;
}

.ot3-explore-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px 24px 0;
    text-align: center;
}

.ot3-explore-body h3 {
    margin: 0;
    font-size: 2rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
}

.ot3-explore-body p {
    margin: 0;
    flex: 1;
    font-size: 1.4rem;
    line-height: 2rem;
    color: #5D5D5D;
}

.ot3-explore-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 10px 24px;
    border: 1px solid #1D70EC;
    border-radius: 8px;
    font-size: 1.6rem;
    font-weight: 700;
    color: #1D70EC;
    white-space: nowrap;
}

/* ---------- 10. security (Figma 2569:14064) ---------- */
.ot3-security-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.ot3-sec-card {
    background: #FFF;
    border: 1px solid #E6E8E9;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .05);
    padding: 40px 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    min-height: 393px;
    text-align: center;
}

.ot3-sec-card h3 {
    margin: 0;
    font-size: 2rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
}

.ot3-sec-card p {
    margin: 0;
    font-size: 1.6rem;
    line-height: 1.5;
    color: #5D5D5D;
}

.ot3-sec-card p strong {
    font-weight: 700;
}

.ot3-sec-card img {
    width: 100px;
    height: 100px;
    flex-shrink: 0;
}

/* ---------- 11. cloud support (site component, Figma 2569:14131) ---------- */
.ot3-support-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px 16px;
}

.ot3-drive {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    box-sizing: border-box;
    min-height: 138px;
    background: #FFF;
    border-radius: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .05);
    transition: transform .3s;
    text-align: center;
}

.ot3-drive img {
    width: 68px;
    height: 68px;
}

.ot3-drive span {
    margin-top: 14px;
    font-size: 1.6rem;
    line-height: 2.2rem;
    color: #5D5D5D;
}

.ot3-support-more {
    margin-top: 40px;
    text-align: center;
}

.ot3-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 50px;
    padding: 14px 85px;
    box-sizing: border-box;
    background: #FFF;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1.6rem;
    color: #000;
    cursor: pointer;
}

.ot3-more-btn img {
    width: 20px;
    height: 20px;
}

/* ---------- 12. reviews (Figma 2569:14132) ---------- */
.ot3-reviews {
    padding: 120px 0;
}

.ot3-reviews h2 {
    margin: 0 auto 80px;
    font-size: 3.6rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
    text-align: center;
}

.ot3-reviews-viewport {
    position: relative;
    overflow: hidden;
    max-width: 1758px;
    margin: 0 auto;
}

.ot3-reviews-track {
    display: flex;
    gap: 24px;
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
}

.ot3-review-card {
    flex: 0 0 570px;
    width: 570px;
    box-sizing: border-box;
    background: #FFF;
    border: 1px solid #E6E8E9;
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ot3-review-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid #E6E8E9;
}

.ot3-avatar {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-size: 1.6rem;
    font-weight: 500;
}

.ot3-review-who {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.ot3-review-name {
    font-size: 1.6rem;
    line-height: 1.2;
    color: #000;
}

.ot3-review-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.4rem;
    line-height: 1.2;
    color: #666;
}

.ot3-review-flag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ot3-review-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #E6E8E9;
}

.ot3-review-starline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ot3-stars {
    display: inline-flex;
    gap: 2px;
}

.ot3-review-date {
    font-size: 1.4rem;
    line-height: 1.2;
    color: #666;
}

.ot3-review-main h3 {
    margin: 0;
    font-size: 2rem;
    line-height: 2.2rem;
    font-weight: 700;
    color: #000;
}

.ot3-review-main p {
    margin: 0;
    font-size: 1.6rem;
    line-height: 2.2rem;
    color: #000;
    overflow-wrap: break-word;
}

.ot3-review-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ot3-review-tags span {
    padding: 2px 6px;
    background: #E7E7E6;
    border-radius: 4px;
    font-size: 1.4rem;
    line-height: 2rem;
    color: #000;
}

.ot3-review-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
}

.ot3-review-acts {
    display: inline-flex;
    gap: 24px;
}

.ot3-review-act {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1.4rem;
    line-height: 1.2;
    color: #666;
}

.ot3-review-vote img {
    display: block;
}

.ot3-reviews-fade {
    position: absolute;
    top: 0;
    bottom: 0;
    width: min(60rem, 32vw);
    pointer-events: none;
}

.ot3-reviews-fade-l {
    left: 0;
    background: linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, #FFF 50%);
}

.ot3-reviews-fade-r {
    right: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, #FFF 50%);
}

.ot3-reviews-nav {
    position: relative;
    max-width: 1280px;
    margin: auto;
    height: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
}

.ot3-navbtn {
    pointer-events: auto;
    width: 64px;
    height: 64px;
    border-radius: 32px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid #E5E7EB;
    box-shadow: 0 10px 20px rgba(0, 0, 0, .05);
    background: #FFF;
    color: #111;
}

.ot3-reviews .reviews-cnt {
    position: relative;
}

/* ---------- 13. faqs (Figma 2569:14344；族标准规格 v2) ---------- */
.ot3-faqs-in {
    max-width: 1200px;
    margin: 0 auto;
}

.ot3-faqs-in h2 {
    margin: 0 auto 80px;
    font-size: 3.6rem;
    line-height: 1.3;
    font-weight: 700;
    color: #000;
    text-align: center;
    max-width: 1000px;
}

.ot3-faq {
    padding: 0;
    border-bottom: 1px solid #E5E7EB;
}

.ot3-faq:first-child {
    border-top: 1px solid #E5E7EB;
}

.ot3-faq-q {
    margin: 0;
    /* padding: 40px 0; */
}

.ot3-faq-q button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: 100%;
    background: none;
    border: 0;
    padding: 0;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: 2rem;
    font-weight: 700;
    line-height: 26px;
    color: #000;
    padding: 40px 0;
}

.ot3-faq.is-open .ot3-faq-q button {
    color: #0055FF;
}

.ot3-faq-q button::after {
    content: "";
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    background: url(/resource/images/online-tools/faq-down.svg) center / 21px auto no-repeat;
    transition: transform .2s ease;
}

.ot3-faq.is-open .ot3-faq-q button::after {
    transform: rotate(180deg);
}

.ot3-faq-a {
    margin: 0;
    padding: 0;
}

.ot3-faq-a {
    padding-bottom: 40px;
}

.ot3-faq-a p {
    margin: 3px 0 0;
    font-size: 1.6rem;
    line-height: 21px;
    color: #000;
}

.ot3-faq-a .list {
    padding-left: 20px;
    margin-top: 10px;
}

.ot3-faq-a .list li {
    list-style: disc;
}

.ot3-faq-a[hidden] {
    display: none;
}

/* ---------- 14. CTA (Figma 2569:14404) ---------- */
.ot3-cta {
    background: #F9FAFC;
    padding: 0 40px 120px;
}

.ot3-cta-card {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 500px;
    background: #021A60;
    border-radius: 24px;
    padding: 60px 72px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.ot3-cta-txt {
    flex: 1 1 320px;
    min-width: 0;
    max-width: 596px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
}

.ot3-cta-txt h2 {
    margin: 0;
    font-size: 3.6rem;
    line-height: 1.3;
    font-weight: 700;
    color: #FFF;
    text-align: left;
}

.ot3-cta-txt p {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.5;
    color: #FFF;
}

.ot3-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 20px 59px;
    background: #0055FF;
    border-radius: 8px;
    color: #FFF;
    font-size: 1.8rem;
    font-weight: 700;
    white-space: nowrap;
}

.ot3-cta-illu {
    flex: 0 1 540px;
    min-width: 0;
    max-width: 100%;
    height: auto;
}

/* ---------- lightbox ---------- */
.ot3-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.68);
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 9999;
}

.ot3-lightbox.is-open {
    display: flex;
}

.ot3-lightbox img {
    max-width: min(1280px, 92vw);
    max-height: 86vh;
    width: auto;
    height: auto;
    border-radius: 8px;
    background: #FFF;
}

.ot3-lightbox .ot3-lightbox-inner {
    position: relative;
}

.ot3-lightbox-close {
    position: absolute;
    top: -4.6rem;
    right: 0;
    width: 3.4rem;
    height: 3.4rem;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.ot3-lightbox-close:hover {
    opacity: 0.8;
}

.ot3-lightbox-close::after,
.ot3-lightbox-close::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 3rem;
    height: 2px;
    background: #FFFFFF;
    border-radius: 2px;

}

.ot3-lightbox-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.ot3-lightbox-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);

}


/* ---------- interaction states ---------- */
@media (hover: hover) {

    .ot3-pain-card,
    .ot3-before-card {
        transition: transform .25s ease, box-shadow .25s ease;
    }

    .ot3-choose-card,
    .ot3-sec-card,
    .ot3-explore-card {
        transition: transform .25s ease, box-shadow .25s ease;
    }

    .ot3-choose-card:hover,
    .ot3-sec-card:hover,
    .ot3-explore-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 28px rgba(0, 0, 0, .1);
    }

    .ot3-banner-text a:hover {
        color: #8AB5FF;
    }

    .ot3-explore-btn:hover {
        background: #1D70EC;
        color: #FFF;
    }

    .ot3-tab:not(.is-active):hover {
        background: #F3F7FE;
    }

    .ot3-manual-tab:not(.is-active):hover {
        background: rgba(255, 255, 255, .08);
    }

    .ot3-cta-btn:hover,
    .ot3-steps-cta a:hover {
        background: #0046CC;
    }

    .ot3-navbtn:hover {
        background: #0055FF;
        border-color: #0055FF;
        color: #FFF;
        transform: translateY(-2px);
    }

    .ot3-navbtn:hover svg path {
        fill: #fff;
    }

    .ot3-more-btn:hover {
        box-shadow: 0 10px 20px rgba(0, 0, 0, .05);
    }

    .ot3-stepitem:hover .ot3-stepitem-tt {
        color: #0055FF;
    }

    .ot3-drive:hover {
        transform: translateY(-5px);
    }
}

.ot3-stepitem:active,
.ot3-cta-btn:active,
.ot3-steps-cta a:active,
.ot3-explore-btn:active,
.ot3-navbtn:active,
.ot3-more-btn:active,
.ot3-tab:active {
    transform: scale(.97);
}

.ot3-faq-q button:active {
    opacity: .85;
}

main a:focus-visible,
main button:focus-visible,
.ot3-banner :focus-visible,
.ot3-pain :focus-visible,
.ot3-choose :focus-visible,
.ot3-before :focus-visible,
.ot3-steps :focus-visible,
.ot3-manual :focus-visible,
.ot3-compare :focus-visible,
.ot3-explore :focus-visible,
.ot3-security :focus-visible,
.ot3-support :focus-visible,
.ot3-reviews :focus-visible,
.ot3-faqs :focus-visible,
.ot3-cta :focus-visible,
.ot3-lightbox :focus-visible {
    outline: 2px solid #0055FF;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {

    .ot3-reviews-track,
    .ot3-drive,
    .ot3-choose-card,
    .ot3-sec-card,
    .ot3-explore-card,
    .ot3-pain-card,
    .ot3-before-card,
    .ot3-navbtn,
    .ot3-faq-q button::after {
        transition: none;
    }

    .ot3-drive:hover,
    .ot3-choose-card:hover,
    .ot3-sec-card:hover,
    .ot3-explore-card:hover,
    .ot3-navbtn:hover {
        transform: none;
    }
}

/* ---------- responsive: ≤1439 ---------- */
@media (max-width: 1439px) {
    .ot3-banner-logos {
        gap: 32px;
        flex-wrap: wrap;
    }
}

/* 2×2 before-grid needs ~1144px content; below that collapse to 1 column */
@media (max-width: 1223px) {
    .ot3-before-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- responsive: ≤991 ---------- */
@media (max-width: 991px) {
    .ot3-pain-cards {
        gap: 40px;
    }

    .ot3-pain-card {
        flex-direction: column;
    }

    .ot3-pain-fig {
        flex-basis: auto;
        width: 100%;
    }

    .ot3-pain-body {
        min-height: 0;
        padding: 32px 24px;
    }

    .ot3-pain-body h3 {
        font-size: 2.4rem;
    }

    .ot3-choose-grid,
    .ot3-security-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ot3-before-grid {
        grid-template-columns: 1fr;
    }

    .ot3-stepbox {
        flex-direction: column;
        padding: 16px;
    }

    .ot3-steplist {
        flex-basis: auto;
        width: 100%;
    }

    .ot3-stepview {
        min-height: 0;
        margin-top: 0;
        margin-bottom: 0;
    }

    /* 单列堆叠复位，防重叠 */
    .ot3-stepview-manual {
        width: 100%;
        flex: 1 1 auto;
    }

    .ot3-manual-body {
        padding: 16px;
    }

    .ot3-explore-cards {
        flex-direction: column;
        align-items: center;
    }

    .ot3-explore-card {
        width: 100%;
        max-width: 620px;
    }

    .ot3-support-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .ot3-review-card {
        flex: 0 0 calc(50% - 12px);
        width: calc(50% - 12px);
    }

    .ot3-reviews-nav {
        max-width: calc(100% - 32px);
        transform: translateY(-270px);
    }

    .ot3-cta-card {
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
    }

    .ot3-cta-illu {
        width: 100%;
        max-width: 540px;
    }

    .ot3-tab-badge {
        left: auto;
        right: -10px;
    }
}

/* ---------- responsive: ≤767 ---------- */
@media (max-width: 767px) {

    .ot3-pain,
    .ot3-choose,
    .ot3-before,
    .ot3-steps,
    .ot3-manual,
    .ot3-compare,
    .ot3-explore,
    .ot3-security,
    .ot3-support,
    .ot3-faqs {
        padding: 64px 20px;
    }

    .ot3-head {
        margin-bottom: 48px;
    }

    .ot3-head h2,
    .ot3-reviews h2,
    .ot3-faqs-in h2 {
        font-size: 2.8rem;
    }

    .ot3-head p {
        margin-top: 16px;
        font-size: 1.6rem;
    }

    /* 模板在移动端清零 body 顶距：首屏自行补偿固定 header(约80px) 高度 */
    .ot3-banner-in {
        padding: 120px 0 48px;
    }

    .ot3-banner-in h1 {
        font-size: 3.2rem;
    }

    .ot3-banner-desc {
        font-size: 1.6rem;
        margin-bottom: 32px;
    }

    .ot3-banner-in iframe {
        height: 420px;
    }

    .ot3-banner-logos {
        gap: 16px;
        margin-top: 24px;
        padding-bottom: 0;
    }

    .ot3-banner-logos img {
        height: 22px;
        width: auto;
    }

    .ot3-choose-grid,
    .ot3-security-grid {
        grid-template-columns: 1fr;
    }

    .ot3-before-card {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 20px 20px;
    }

    .ot3-before-fig {
        width: 100%;
        height: auto;
        padding: 20px 0;
    }

    .ot3-before-body {
        padding: 0;
    }

    .ot3-before-body h3 {
        font-size: 2rem;
    }

    .ot3-tablist {
        flex-wrap: wrap;
    }

    .ot3-tab {
        padding: 0 16px;
        height: 44px;
    }

    .ot3-tab-badge {
        display: none;
    }

    .ot3-stepitem {
        padding: 20px 16px 20px 26px;
    }

    .ot3-steps-cta a {
        height: 56px;
        padding: 0 24px;
        font-size: 1.8rem;
        white-space: normal;
        text-align: center;
    }

    .ot3-compare-wrap {
        overflow: visible;
    }

    .ot3-compare-card {
        min-width: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .ot3-crow {
        display: block;
        height: auto;
        background: #FFF;
        border: 1px solid #E5E7EB;
        border-radius: 16px;
        padding: 16px;
    }

    .ot3-crow-head {
        display: none;
    }

    .ot3-crow-alt .ot3-cell {
        background: transparent;
    }

    .ot3-crow:last-child {
        margin-bottom: 0;
    }

    .ot3-cell {
        display: block;
        height: auto;
        padding: 12px 0 0;
        border-bottom: 0;
        border-right: 0;
        text-align: left;
        justify-content: flex-start;
    }

    .ot3-cell-dim {
        padding: 0 0 12px;
        border-right: 0;
        border-bottom: 1px solid #E5E7EB;
        font-size: 1.6rem;
    }

    .ot3-cell::before {
        content: attr(data-col);
        display: block;
        font-size: 1.2rem;
        font-weight: 700;
        color: #5D5D5D;
        margin-bottom: 2px;
    }

    .ot3-cell-dim::before {
        content: none;
    }

    .ot3-compare-overlay {
        display: none;
    }

    .ot3-cell-mc-hollow {
        display: none;
    }

    .ot3-crow .ot3-cell-mcx {
        display: block;
        background: #EEF2FF;
        border: 1px solid #1D70EC;
        border-radius: 8px;
        padding: 12px;
        margin-top: 12px;
    }

    .ot3-crow .ot3-cell-mcx::before {
        color: #1D70EC;
    }

    .ot3-compare-note {
        margin-top: 40px;
        font-size: 1.6rem;
    }

    .ot3-support-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ot3-drive {
        padding: 16px 8px 20px;
    }

    .ot3-drive img {
        width: 56px;
        height: 56px;
    }

    .ot3-more-btn {
        padding: 14px 40px;
    }

    .ot3-review-card {
        flex: 0 0 100%;
        width: 100%;
    }

    .ot3-reviews {
        padding: 64px 0;
    }

    .ot3-reviews h2 {
        margin-bottom: 40px;
    }

    .ot3-reviews-nav {
        transform: translateY(-250px);
    }

    .ot3-navbtn {
        width: 44px;
        height: 44px;
        border-radius: 22px;
    }

    .ot3-reviews-fade {
        width: 48px;
    }

    .ot3-faq-q {
        padding: 24px 0;
    }

    /* P2-A：触控目标 ≥44px */
    .ot3-faq-q button {
        font-size: 1.8rem;
        min-height: 44px;
        box-sizing: border-box;
    }

    .ot3-faq-q button::after {
        flex-basis: 24px;
        width: 24px;
        height: 24px;
        background-size: 18px auto;
    }

    .ot3-faq-a p {
        margin-top: 24px;
        padding-bottom: 24px;
    }

    .ot3-cta {
        padding: 0 20px 64px;
    }

    .ot3-cta-card {
        min-height: 0;
        padding: 32px 20px;
    }

    .ot3-cta-txt h2 {
        font-size: 2.8rem;
    }

    .ot3-cta-btn {
        height: 56px;
        padding: 10px 32px;
    }
}