/* ==========================================================
   Hello GPT · 完整样式（与原站完全一致）
   ========================================================== */

/* =========== CSS 变量 =========== */
:root {
    --primary: #1595f8;
    --primary-dark: #104dbf;
    --text: #11142d;
    --text-soft: #686c7e;
    --text-mute: #848199;
    --bg: #ffffff;
    --bg-alt: #f5f8ff;
    --border: #ececec;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

/* =========== 全局重置 =========== */
* { box-sizing: border-box; }
html { min-width: 1200px; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #11142d;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    animation: pageFade 0.25s ease;
}
@keyframes pageFade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
img { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========== 导航栏 =========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 20;
    width: 100%;
    background: transparent;
    transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
    background: #fff;
    box-shadow: 0 2px 18px rgba(0,0,0,0.12);
}
/* 首页导航始终透明 */
.home-page .site-header,
.home-page .site-header.scrolled {
    background: transparent !important;
    box-shadow: 0 2px 18px rgba(0,0,0,0.22);
}

.header-content {
    display: flex;
    align-items: center;
    width: 1200px;
    height: 64px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo */
.logo-icon {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}
.logo-img {
    width: 40px;
    height: 40px;
}
.mgr-10 { margin-right: 10px; }
.logo-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.logo-name {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.4);
    line-height: 1.2;
}
/* sub-page logo text stays white when header is transparent */

/* 菜单列表 */
.menu-list {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin: 0 20px;
}
.menu-item {
    position: relative;
    height: 64px;
    line-height: 64px;
    padding: 0 2px;
    margin: 0 18px;
    font-size: 14px;
    font-weight: 400;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    user-select: none;
    transition: color 0.2s;
}
.menu-item:hover { color: #fff; }
.menu-item.active { color: #fff; }
.menu-item.active::after {
    content: "";
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 2px;
    background-color: #fff;
}
/* 子页面菜单颜色（透明时保持白色，和首页一致） */
.sub-page .menu-item { color: rgba(255,255,255,0.8); }
.sub-page .menu-item:hover,
.sub-page .menu-item.active { color: #fff; }
.sub-page .menu-item.active::after { background-color: #fff; }

/* =========== PAGE-CONTAINER（核心背景结构，与原站完全一致） =========== */
.page-container { position: relative; }
.page-container .bg {
    display: block;
    width: 100%;
    object-fit: cover;
}
/* 首页各背景图尺寸（原站完全一致） */
.page-container .bg.bg1 { height: 1130px; }
.page-container .bg.bg2 { height: 1219px; margin-top: 201px; }
.page-container .bg.bg3 { height: 1057px; }
.page-container .bg.bg4 { height: 932px; margin-top: -328px; }

/* 内容层：绝对叠加在背景上方 */
.page-container .main-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 5;
}

/* =========== 通用 introduce-container 居中宽度 =========== */
.introduce-container {
    overflow: hidden;
}
.introduce-content {
    display: flex;
}

/* =========== 原站 Button 组件样式 =========== */
.custom-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: top;
    font-size: 0;
    border-radius: 300px;
    user-select: none;
    cursor: pointer;
    position: relative;
    text-align: center;
    width: 200px;
    height: 64px;
}
.custom-btn.default {
    background-color: #fff;
    box-shadow: 0 9px 31px rgba(215,215,215,0.58);
}
.custom-btn.default .label {
    color: #428efe;
    font-size: 24px;
    font-weight: 800;
}
.custom-btn.small .label {
    font-size: 20px;
    font-weight: 400;
}
.custom-btn.primary {
    background: linear-gradient(270deg, rgb(1,67,239), rgb(92,129,223) 100%);
    box-shadow: 0 3px 9px rgba(0,0,0,0.15);
    width: 327px;
    border-radius: 300px;
}
.custom-btn.primary .label {
    color: #fff;
    font-size: 20px;
    font-weight: 400;
}
.custom-btn.primary .extra-icon {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}
.custom-btn + .custom-btn {
    margin-left: 15px;
}
.custom-btn.default:hover { background-color: #f0f0f0; }
.custom-btn.primary:hover { background: linear-gradient(270deg, #013ad1, #426dda 100%); }

/* =========== Introduce1 · Hero (height:885px) =========== */
.intro1 { height: 885px; }
.intro1 .introduce-content {
    padding-top: 210px;
    display: flex;
    align-items: flex-start;
}
.intro1 .left-container {
    flex: 1;
    padding-top: 12px;
}
.intro1 .prefix {
    margin-bottom: 6px;
    color: #eff9ff;
    font-size: 32px;
    font-weight: 400;
    line-height: 48px;
}
.intro1 .main-title {
    margin-bottom: 51px;
    color: #fff;
    font-size: 32px;
    font-weight: 600;
    line-height: 95px;
}
.intro1 .main-title .highlight { font-size: 64px; }
.intro1 .introduce {
    margin-bottom: 71px;
    font-size: 16px;
    font-weight: 400;
    color: #eff9ff;
}
.intro1 .introduce .mgr-16 { margin-right: 16px; }
.intro1 .introduce .intro-hl {
    font-size: 32px;
    color: #fff;
}
.intro1 .btns {
    display: flex;
    align-items: center;
}
.intro1 .right-container {
    display: flex;
    align-items: flex-start;
}
.intro1 .right-container .img {
    display: block;
    width: 660px;
    height: 433px;
    object-fit: contain;
}

/* =========== Introduce2 · 软件特色 (height:532px) =========== */
.intro2 { height: 532px; }
.intro2 .introduce-content {
    padding-top: 67px;
    display: flex;
    align-items: flex-start;
}
.intro2 .left-container {
    flex-shrink: 0;
}
.intro2 .left-container .img {
    display: block;
    width: 708px;
    height: 532px;
    object-fit: contain;
}
.intro2-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-top: 26px;
}
.intro2-right .icon {
    margin-bottom: 21px;
    margin-left: 170px;
}
.intro2-right .text-1 { margin-left: 91px; }
.intro2-right .text-2 {
    margin-bottom: 54px;
    margin-left: 91px;
}
.intro2-right .text-3,
.intro2-right .text-4 {
    display: flex;
    align-items: center;
    color: #1595f8;
    font-size: 24px;
    font-weight: 400;
    line-height: 32px;
}
.intro2-right .text-3 {
    margin-bottom: 10px;
    margin-left: 11px;
}
.intro2-right .text-4 { padding-left: 48px; }
.intro2-right .mgr-10 { margin-right: 10px; }

/* =========== Introduce3 · 全球连接 (margin-top:200px, height:637px) =========== */
.intro3 { margin-top: 200px; }
.intro3 .introduce-content {
    width: 100%;
    height: 637px;
    position: relative;
    display: flex;
}
.intro3 .left-container {
    display: flex;
    height: 100%;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}
.intro3 .left-container .text-1 { margin-bottom: 4px; }
.intro3 .left-container .text-2 {
    margin-bottom: 101px;
    color: #404040;
    font-size: 36px;
    font-weight: 400;
    line-height: 47px;
}
.intro3 .left-container .text-3,
.intro3 .left-container .text-4,
.intro3 .left-container .text-5 {
    color: #1595f8;
    font-size: 24px;
    font-weight: 400;
    line-height: 41px;
}
.intro3-right {
    position: absolute;
    top: 0;
    right: -80px;
}
.intro3-right .img {
    display: block;
    width: 822px;
    height: 637px;
    object-fit: contain;
}

/* =========== Introduce4 · 定价 (margin-top:200px) =========== */
.intro4 { margin-top: 200px; }
.intro4-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.intro4 .text-1 { margin-bottom: 8px; text-align: center; }
.intro4 .text-2 { text-align: center; }
.price-container {
    display: flex;
    justify-content: center;
}
.price-item {
    position: relative;
    padding: 0 30px 15px 0;
}
.price-item .content {
    box-sizing: border-box;
    width: 360px;
    padding: 40px 20px;
    background-color: #fff;
    box-shadow: 20px 22px 24px rgba(16,77,191,0.8);
    position: relative;
    z-index: 10;
}
.price-item .content .tip {
    position: absolute;
    right: 0;
    top: 0;
    padding: 8px 20px;
    border-bottom-left-radius: 100px;
    color: #fff;
    background-color: #104dbf;
    font-size: 14px;
}
.price-item .title-container { margin-bottom: 24px; }
.price-item .name {
    font-size: 32px;
    line-height: 48px;
    margin-bottom: 20px;
    color: #11142d;
    font-weight: 600;
}
.price-item .meal-container {
    color: #848199;
    font-size: 18px;
    line-height: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.price-item .meal-content { flex: 1; }
.price-item .meal-content:nth-of-type(2n) { text-align: right; }
.price-item .meal-container .highlight {
    color: #231d4f;
    font-size: 24px;
    font-weight: 700;
}
.price-item .list { border-top: 1px solid #ececec; }
.price-item .list .item {
    padding-top: 20px;
    color: #848199;
    font-size: 15px;
    font-weight: 400;
    line-height: 20px;
}
.price-item .list .item.highlight { color: #232323; }
.price-item .btn {
    position: relative;
    margin: 15px 0 0 45px;
    width: 96px;
    border-radius: 8px;
    padding: 15px;
    color: #222;
    font-size: 16px;
    font-weight: 600;
    line-height: 20px;
    cursor: pointer;
    user-select: none;
    background-color: #fff;
    text-align: center;
    z-index: 11;
    box-shadow: 0 0 10px 2px rgba(0,0,0,0.15);
}
.price-item .btn:hover { background-color: rgba(255,255,255,0.9); }
.price-item .card-bg {
    width: 360px;
    height: 500px;
    background: rgb(16,77,191);
    position: absolute;
    z-index: 1;
    left: auto;
    top: auto;
    bottom: 0;
    right: 0;
}
/* GPT 套餐 */
.price-item.gpt { margin-left: 30px; }
.price-item.gpt .content { box-shadow: 20px 22px 24px rgba(244,150,209,0.8); }
.price-item.gpt .card-bg { background: rgb(244,150,209); }
.price-item.gpt .tip { background-color: #f496d1; }
/* Deep 套餐 */
.price-item.deep { margin-left: 30px; }
.price-item.deep .content { box-shadow: 20px 22px 24px rgba(82,67,194,0.8); }
.price-item.deep .card-bg { background: rgb(82,67,194); }
.price-item.deep .tip { background-color: #5243c2; }

/* =========== Introduce5 · CTA (margin-top:260px) =========== */
.intro5 { margin-top: 260px; }
.intro5 .introduce-content {
    width: 100%;
    height: 643px;
    position: relative;
    display: flex;
}
.intro5 .left-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}
.intro5 .left-container .text-1 {
    color: #fff;
    font-size: 36px;
    font-weight: 400;
    line-height: 51px;
}
.intro5 .left-container .text-2 {
    margin-bottom: 85px;
    color: #fff;
    font-size: 24px;
    font-weight: 400;
    line-height: 51px;
}
.intro5 .left-container .btn {
    display: flex;
    align-items: center;
}
.intro5-right {
    position: absolute;
    top: 0;
    right: -20px;
}
.intro5-right .img {
    display: block;
    width: 643px;
    height: 643px;
    object-fit: contain;
}

/* =========== 悬浮侧边栏 =========== */
.hover-container {
    position: fixed;
    top: 50%;
    right: 10px;
    transform: translateY(-30%);
    background: #fff;
    box-shadow: 0 4px 4px rgba(0,0,0,0.25);
    border-radius: 8px;
    padding: 8px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.hover-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: background 0.2s;
    text-decoration: none;
}
.hover-btn:hover { background: #f5f5f5; }
.hover-btn .svg-icon { display: block; margin: 0 auto; }
.hover-btn .label {
    color: #11142d;
    font-size: 12px;
    font-weight: 400;
    text-align: center;
    margin-top: 4px;
}
.hover-btn:hover .label { color: #428efe; }
.hover-divider {
    width: 80%;
    height: 1px;
    background: rgba(17,20,45,0.3);
    margin: 8px 0;
}

/* =========== 首页页脚 =========== */
.home-footer {
    position: relative;
    height: 40px;
    background: rgba(41,41,41,0.5);
    font-size: 14px;
    font-weight: 500;
    line-height: 40px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.footer-link {
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    text-decoration: none;
}
.footer-link:hover { color: #fff; }
.footer-copy {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
}

/* =========== 子页面通用样式 =========== */

/* 子页面 header：初始透明（hero 上方），滚动后变白（由 JS 控制 .scrolled） */
.sub-page .site-header.scrolled {
    background: #fff !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08) !important;
}
/* 子页面滚动后菜单颜色切换为深色 */
.sub-page .site-header.scrolled .menu-item { color: rgba(17,20,45,0.7); }
.sub-page .site-header.scrolled .menu-item:hover,
.sub-page .site-header.scrolled .menu-item.active { color: #11142d; }
.sub-page .site-header.scrolled .menu-item.active::after { background-color: #1595f8; }
.sub-page .site-header.scrolled .logo-name { color: #11142d; text-shadow: none; }

/* =========== SVG 文字替代样式 =========== */
.svg-text { display: block; }
.svg-text1 {
    color: #404040;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
}
.svg-text2 {
    color: #686c7e;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
}
.svg-text3 {
    color: #1f284b;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
}
.svg-text4 {
    color: #1f284b;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
}
.svg-text5 {
    color: #848199;
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 47px;
    display: block;
}

/* 子页面 page-hero */
.page-hero {
    position: relative;
    background: linear-gradient(135deg, #1a3f99 0%, #2a59c4 55%, #4673de 100%);
    padding: 130px 0 70px;
    text-align: center;
    color: #fff;
    overflow: hidden;
    margin-top: 0;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url('../assets/bg-1-aecc1d00.png') center/cover no-repeat;
    opacity: 0.35;
    pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 12px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.page-hero p {
    font-size: 20px;
    color: rgba(255,255,255,0.85);
    margin: 0;
}
.page-body {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

/* 子页面页脚 */
.site-footer {
    background: #1a2035;
    color: rgba(255,255,255,0.7);
    padding: 48px 0 24px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-brand-logo img { width: 36px; height: 36px; }
.footer-brand-logo span {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.55);
    margin: 0;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.2s;
}
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p {
    margin: 0;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.8); }

/* 返回顶部 */
.back-top {
    display: none;
    position: fixed;
    bottom: 36px;
    right: 70px;
    width: 44px;
    height: 44px;
    background: #1595f8;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(21,149,248,0.4);
    z-index: 100;
    transition: opacity 0.2s;
}
.back-top.visible { display: flex; }
.back-top:hover { opacity: 0.85; }

/* =========== 子页面内容区 =========== */

/* features页 */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid #f0f4f8;
}
.feature-row:last-child { border-bottom: none; }
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-media img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(42,89,196,0.12);
}
.feature-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1f284b;
    margin: 0 0 16px;
}
.feature-text p {
    font-size: 16px;
    color: #686c7e;
    line-height: 1.8;
    margin: 0 0 24px;
}
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: #404040;
}
.feature-list-item::before {
    content: "✓";
    color: #1595f8;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

/* guide页 */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}
.step-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(42,89,196,0.08);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.step-card.in-view { opacity: 1; transform: none; }
.step-num {
    width: 52px; height: 52px;
    background: linear-gradient(135deg, #2a59c4, #1595f8);
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.step-card h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; color: #1f284b; }
.step-card p { font-size: 14px; color: #848199; line-height: 1.7; margin: 0; }
.faq-section h2 { font-size: 28px; font-weight: 700; margin: 0 0 24px; color: #1f284b; }
.faq-item {
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.faq-item h3 { font-size: 16px; font-weight: 600; margin: 0 0 8px; color: #1f284b; }
.faq-item p { font-size: 14px; color: #686c7e; margin: 0; line-height: 1.7; }

/* downloads页 */
.dl-grid {
    display: grid;
    grid-template-columns: minmax(280px, 420px);
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}
.dl-platform {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(42,89,196,0.08);
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease, border-color 0.2s;
}
.dl-platform.in-view { opacity: 1; transform: none; }
.dl-platform:hover { border-color: #1595f8; }
.dl-icon { margin-bottom: 16px; }
.dl-icon-brand svg {
    display: block;
    width: 48px;
    height: 48px;
    margin: 0 auto;
}
.dl-platform h3 { font-size: 20px; font-weight: 700; margin: 0 0 8px; color: #1f284b; }
.dl-platform p { font-size: 14px; color: #848199; margin: 0 0 20px; }
.dl-btn {
    display: inline-block;
    background: #1595f8;
    color: #fff;
    padding: 10px 28px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: opacity 0.2s;
}
.dl-btn:hover { opacity: 0.85; }

/* account页 */
.account-hero-img {
    text-align: center;
    margin-bottom: 48px;
}
.account-hero-img img {
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(42,89,196,0.15);
}
.account-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.account-feat {
    background: #fff;
    border-radius: 16px;
    padding: 28px 24px;
    box-shadow: 0 4px 20px rgba(42,89,196,0.08);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.account-feat.in-view { opacity: 1; transform: none; }
.account-feat .feat-icon { font-size: 36px; margin-bottom: 12px; }
.account-feat h3 { font-size: 18px; font-weight: 700; margin: 0 0 8px; color: #1f284b; }
.account-feat p { font-size: 14px; color: #686c7e; line-height: 1.7; margin: 0; }

/* counter页 */
.counter-wrap {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(42,89,196,0.08);
}
.counter-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.counter-toolbar button {
    padding: 8px 18px;
    border: 1px solid #e5ecf5;
    border-radius: 8px;
    background: #f5f8ff;
    font-size: 14px;
    color: #2a59c4;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s;
}
.counter-toolbar button:hover { background: #dbeafe; }
.counter-textarea {
    width: 100%;
    min-height: 320px;
    border: 1px solid #e5ecf5;
    border-radius: 12px;
    padding: 16px;
    font-size: 15px;
    line-height: 1.7;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
}
.counter-textarea:focus { border-color: #1595f8; }
.counter-stats {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.stat-item {
    background: #f5f8ff;
    border-radius: 10px;
    padding: 14px 20px;
    min-width: 120px;
    text-align: center;
}
.stat-label { font-size: 13px; color: #9ca3af; margin-bottom: 4px; }
.stat-value { font-size: 28px; font-weight: 700; color: #2a59c4; }

/* =========== 动画工具 =========== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.in-view {
    opacity: 1;
    transform: none;
}
.page-hero-inner {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.page-hero-inner.in-view {
    opacity: 1;
    transform: none;
}