/* roulang page: index */
:root {
    --primary: #00B874;
    --primary-hover: #00D185;
    --primary-light: rgba(0, 184, 116, .12);
    --accent: #FF5C38;
    --accent-hover: #FF7352;
    --dark: #0E1F1A;
    --dark-deep: #0B1814;
    --light: #F7F8F6;
    --card: #FFFFFF;
    --text: #1C2E28;
    --text-secondary: #5C6F68;
    --border: #E4EAE6;
    --radius-card: 16px;
    --radius-btn: 999px;
    --radius-tag: 6px;
    --radius-input: 12px;
    --shadow-1: 0 2px 8px rgba(20, 40, 30, .06);
    --shadow-2: 0 8px 24px rgba(20, 40, 30, .12);
    --container: 1200px;
    --section-space: 80px;
    --font-en: "DIN Alternate", "Oswald", sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background: var(--light);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
    object-fit: cover;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .25s ease;
}

a:hover {
    color: var(--primary-hover);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-space) 0;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 48px;
}

.section-head h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.3;
    letter-spacing: .5px;
}

.section-head .section-sub {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 360px;
    text-align: right;
    line-height: 1.7;
}

.badge-orange {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-tag);
    vertical-align: 6px;
    margin-left: 8px;
    letter-spacing: 1px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    height: 72px;
    background: rgba(14, 31, 26, .72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
    background: var(--dark);
    box-shadow: 0 4px 20px rgba(10, 20, 16, .3);
}

.header-inner {
    max-width: var(--container);
    height: 72px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--primary), #00E090);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(0, 184, 116, .35);
}

.brand-text {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
    line-height: 1.2;
}

.brand-text span {
    color: var(--primary);
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
}

.nav-links a {
    display: inline-block;
    padding: 10px 18px;
    color: rgba(255, 255, 255, .82);
    font-size: 15px;
    font-weight: 500;
    border-radius: 999px;
    position: relative;
    transition: color .25s ease, background .25s ease;
}

.nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .08);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(0, 184, 116, .1);
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 2px;
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 26px;
    border-radius: var(--radius-btn);
    transition: all .25s ease;
    box-shadow: 0 4px 14px rgba(255, 92, 56, .3);
    border: 2px solid transparent;
}

.header-cta:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 92, 56, .4);
}

.header-cta:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 92, 56, .3);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    color: #fff;
    font-size: 22px;
    line-height: 1;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(45deg, rgba(14, 31, 26, .92) 0%, rgba(14, 31, 26, .68) 50%, rgba(14, 31, 26, .4) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    z-index: 2;
}

.hero::after {
    content: "01";
    position: absolute;
    right: -30px;
    bottom: -80px;
    font-family: var(--font-en);
    font-size: 320px;
    font-weight: 900;
    color: rgba(0, 184, 116, .18);
    line-height: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 680px;
    padding: 140px 0 100px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 184, 116, .15);
    border: 1px solid rgba(0, 184, 116, .3);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.hero-badge i {
    font-size: 12px;
}

.hero h1 {
    font-size: 44px;
    font-weight: 900;
    color: #fff;
    line-height: 1.25;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero h1 .accent {
    color: var(--primary);
    position: relative;
}

.hero-sub {
    font-size: 17px;
    color: #C8D6D0;
    line-height: 1.9;
    max-width: 540px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 14px 34px;
    border-radius: var(--radius-btn);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    box-shadow: 0 6px 20px rgba(255, 92, 56, .32);
}

.btn-main:hover {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 92, 56, .4);
}

.btn-main:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(255, 92, 56, .3);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 30px;
    border-radius: var(--radius-btn);
    border: 2px solid rgba(255, 255, 255, .4);
    cursor: pointer;
    transition: all .25s ease;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .15);
    color: #fff;
    transform: translateY(-2px);
}

.btn-ghost:active {
    transform: translateY(0);
}

.btn-white {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #fff;
    color: var(--primary);
    font-size: 18px;
    font-weight: 800;
    padding: 18px 48px;
    border-radius: var(--radius-btn);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
}

.btn-white:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.03);
}

.btn-white:active {
    transform: scale(.99);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat .num {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
}

.hero-stat .num i {
    color: var(--primary);
    font-style: normal;
}

.hero-stat .label {
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
    margin-top: 2px;
}

/* ===== How To Play ===== */
.howto {
    background: var(--light);
}

.howto-grid .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 36px 32px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s ease, transform .3s ease;
    height: 100%;
}

.howto-grid .card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 24px;
    margin-bottom: 24px;
}

.card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Reward Preview ===== */
.reward {
    background: #fff;
    overflow: hidden;
}

.reward-grid .reward-main {
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    min-height: 420px;
    background: linear-gradient(180deg, rgba(14, 31, 26, .72) 0%, rgba(14, 31, 26, .25) 100%), url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    color: #fff;
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s ease;
    height: 100%;
}

.reward-main:hover {
    box-shadow: var(--shadow-2);
}

.reward-tag {
    position: absolute;
    top: 24px;
    left: 24px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: var(--radius-tag);
    letter-spacing: 1px;
}

.reward-main h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.reward-main p {
    font-size: 15px;
    color: rgba(255, 255, 255, .8);
    line-height: 1.7;
    max-width: 320px;
}

.reward-value {
    display: inline-block;
    background: rgba(255, 255, 255, .18);
    border: 1px solid rgba(255, 255, 255, .25);
    backdrop-filter: blur(4px);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-top: 14px;
}

.reward-side {
    background: var(--dark);
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    min-height: 420px;
    background: linear-gradient(180deg, rgba(14, 31, 26, .8) 0%, rgba(14, 31, 26, .3) 100%), url('/assets/images/coverpic/cover-2.png') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 36px;
    color: #fff;
    height: 100%;
}

.reward-side h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
}

.reward-side p {
    font-size: 14px;
    color: rgba(255, 255, 255, .75);
}

.reward-cycle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--primary);
    margin-top: 12px;
    font-weight: 600;
}

.reward-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 24px;
    margin-top: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.reward-note span {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.reward-note a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    transition: gap .25s ease;
}

.reward-note a:hover {
    gap: 12px;
}

/* ===== Task Progress ===== */
.task-section {
    background: var(--light);
}

.task-panel {
    background: var(--dark);
    border-radius: 24px;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.task-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.task-panel h2 {
    font-size: 34px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    position: relative;
}

.task-panel .task-sub {
    font-size: 15px;
    color: #C8D6D0;
    margin-bottom: 40px;
    position: relative;
}

.task-progress-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.task-progress-top span {
    font-size: 14px;
    color: #C8D6D0;
}

.task-progress-top strong {
    font-size: 22px;
    color: var(--primary);
    font-family: var(--font-en);
}

.progress-track {
    height: 8px;
    background: rgba(255, 255, 255, .12);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 48px;
}

.progress-fill {
    height: 100%;
    width: 65%;
    background: linear-gradient(90deg, var(--primary), #7BE3B8);
    border-radius: 99px;
    position: relative;
}

.progress-fill::after {
    content: "";
    position: absolute;
    right: 0;
    top: -4px;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 4px solid var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(0, 184, 116, .15);
}

.timeline {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    max-width: 780px;
}

.timeline li {
    display: flex;
    gap: 24px;
    position: relative;
    padding-bottom: 40px;
}

.timeline li:last-child {
    padding-bottom: 0;
}

.timeline li::before {
    content: "";
    position: absolute;
    left: 21px;
    top: 48px;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, .14);
}

.timeline li:last-child::before {
    display: none;
}

.timeline-node {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--dark);
    border: 2px solid rgba(255, 255, 255, .2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .4);
    font-size: 18px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.timeline-node.done {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.timeline-node.current {
    border-color: var(--accent);
    color: var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 92, 56, .4); }
    70% { box-shadow: 0 0 0 12px rgba(255, 92, 56, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 92, 56, 0); }
}

.timeline-body {
    padding-top: 6px;
}

.timeline-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.timeline-body p {
    font-size: 14px;
    color: #C8D6D0;
    line-height: 1.7;
}

.task-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
    position: relative;
}

.task-stat {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 14px;
    padding: 24px 20px;
    text-align: center;
    transition: background .3s ease, transform .3s ease;
}

.task-stat:hover {
    background: rgba(255, 255, 255, .1);
    transform: translateY(-3px);
}

.task-stat .num {
    font-family: var(--font-en);
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.task-stat .label {
    font-size: 13px;
    color: rgba(255, 255, 255, .65);
    margin-top: 4px;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(120deg, var(--dark) 0%, #005E3D 60%, var(--primary) 100%);
    padding: 90px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::after {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -80px;
    width: 280px;
    height: 280px;
    background: rgba(255, 255, 255, .06);
    border-radius: 50%;
}

.cta-section h2 {
    font-size: 38px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, .8);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

.cta-section .btn-white {
    position: relative;
    z-index: 2;
}

/* ===== News ===== */
.news-section {
    background: var(--light);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-card {
    display: flex;
    align-items: center;
    gap: 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 20px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .3s ease, transform .3s ease;
    color: var(--text);
}

.news-card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-3px);
    color: var(--text);
}

.news-thumb {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-body {
    flex: 1;
    min-width: 0;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 4px;
    transition: color .25s ease;
    display: block;
}

.news-card:hover .news-title {
    color: var(--primary);
}

.news-body p {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.news-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: var(--radius-tag);
}

.news-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: 999px;
    transition: all .25s ease;
    white-space: nowrap;
}

.view-all:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    gap: 12px;
}

.news-empty {
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 60px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
}

.news-empty i {
    font-size: 36px;
    color: var(--border);
    display: block;
    margin-bottom: 12px;
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
}

.accordion {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
    background: transparent;
}

.accordion-item {
    background: transparent;
    border-bottom: 1px solid var(--border);
    border-radius: 0 !important;
    transition: background .25s ease;
}

.accordion-item.is-active {
    background: rgba(0, 184, 116, .02);
}

.accordion-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 12px 24px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    background: transparent;
    border: none;
    border-radius: 0;
    cursor: pointer;
    text-align: left;
    transition: color .25s ease;
}

.accordion-title:hover,
.accordion-title:focus {
    color: var(--primary);
    background: transparent;
}

.accordion-title::before {
    content: "\f067";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 15px;
    color: var(--primary);
    order: 2;
    flex-shrink: 0;
    transition: transform .3s ease;
    width: 28px;
    height: 28px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-item.is-active .accordion-title::before {
    content: "\f068";
    transform: rotate(180deg);
}

.accordion-title .faq-q {
    flex: 1;
}

.accordion-content {
    padding: 0 30px 24px 0;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.85;
    background: transparent;
    border: none;
    border-radius: 0;
}

.accordion-content p {
    color: var(--text-secondary);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark-deep);
    color: rgba(255, 255, 255, .7);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand .brand-text {
    font-size: 20px;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .6);
    max-width: 260px;
}

.footer-block h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

.footer-block ul {
    list-style: none;
}

.footer-block ul li {
    margin-bottom: 10px;
}

.footer-block ul a {
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
    transition: color .25s ease, padding-left .25s ease;
}

.footer-block ul a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--primary);
    font-size: 14px;
    width: 18px;
}

.footer-contact .contact-label {
    color: rgba(255, 255, 255, .4);
    font-size: 13px;
}

.footer-bottom {
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, .4);
}

.footer-bottom a:hover {
    color: var(--primary);
}

/* ===== Focus accessibility ===== */
a:focus-visible,
button:focus-visible,
.accordion-title:focus-visible {
    outline: 3px solid rgba(0, 184, 116, .5);
    outline-offset: 3px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    :root {
        --section-space: 64px;
    }

    .section-head h2,
    .task-panel h2 {
        font-size: 28px;
    }

    .nav-links a {
        padding: 10px 12px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-space: 56px;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 32px;
    }

    .section-head .section-sub {
        text-align: left;
        max-width: none;
    }

    .nav-toggle {
        display: block;
    }

    .nav-main {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--dark);
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        gap: 16px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
        transform: translateY(-120%);
        transition: transform .3s ease;
        display: flex;
    }

    .nav-main.open {
        transform: translateY(0);
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .nav-links a {
        display: block;
        padding: 14px 12px;
        font-size: 18px;
        border-radius: 8px;
        color: #fff;
    }

    .nav-links a.active {
        background: var(--primary-light);
        color: var(--primary);
    }

    .nav-links a.active::after {
        display: none;
    }

    .header-cta {
        justify-content: center;
        padding: 14px 24px;
        width: 100%;
    }

    .brand-text {
        font-size: 19px;
    }

    .hero h1 {
        font-size: 30px;
    }

    .hero-sub {
        font-size: 15px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn-main,
    .hero-actions .btn-ghost {
        width: 100%;
    }

    .hero-stats {
        gap: 24px;
        margin-top: 40px;
    }

    .hero-stat .num {
        font-size: 26px;
    }

    .task-panel {
        padding: 36px 24px;
        border-radius: 16px;
    }

    .task-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .cta-section h2 {
        font-size: 30px;
    }

    .cta-section .btn-white {
        width: 100%;
        padding: 16px 20px;
        font-size: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    .hero {
        min-height: 92vh;
    }

    .hero-content {
        padding-top: 120px;
    }

    .reward-main,
    .reward-side {
        min-height: 320px;
        padding: 28px 22px;
    }

    .reward-main h3 {
        font-size: 22px;
    }

    .news-card {
        flex-direction: row;
        padding: 16px;
        gap: 16px;
    }

    .news-thumb {
        width: 72px;
        height: 72px;
    }

    .news-body p {
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        justify-content: center;
        text-align: center;
    }
}

/* roulang page: article */
:root{
    --primary:#00B874;
    --primary-dark:#009961;
    --accent:#FF5C38;
    --accent-dark:#E64A2A;
    --ink:#0E1F1A;
    --ink-deep:#0B1814;
    --bg-soft:#F7F8F6;
    --card:#FFFFFF;
    --text-main:#1C2E28;
    --text-sub:#5C6F68;
    --border:#E4EAE6;
    --radius-card:16px;
    --radius-btn:999px;
    --radius-tag:6px;
    --shadow-1:0 2px 8px rgba(20,40,30,.06);
    --shadow-2:0 8px 24px rgba(20,40,30,.12);
    --container-w:1200px;
    --space-section:80px;
    --space-section-mobile:56px;
    --font-main:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
    --font-num:'DIN Alternate','Oswald',Arial,Helvetica,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
    font-family:var(--font-main);
    line-height:1.8;
    color:var(--text-main);
    background:var(--card);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 32px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
    line-height:1.2;transition:all .3s ease;white-space:nowrap;text-align:center;
}
.btn-accent{
    background:var(--accent);color:#fff;box-shadow:0 4px 16px rgba(255,92,56,.32);
}
.btn-accent:hover,.btn-accent:focus{
    background:var(--accent-dark);color:#fff;transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(255,92,56,.42);outline:none;
}
.btn-accent:active{transform:translateY(0);box-shadow:0 2px 8px rgba(255,92,56,.3)}
.btn-primary{
    background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(0,184,116,.28);
}
.btn-primary:hover,.btn-primary:focus{
    background:var(--primary-dark);color:#fff;transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(0,184,116,.36);outline:none;
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
    background:transparent;color:var(--primary);border:2px solid var(--primary);
}
.btn-outline:hover,.btn-outline:focus{
    background:rgba(0,184,116,.08);color:var(--primary-dark);border-color:var(--primary-dark);outline:none;
}
.btn-outline:active{transform:scale(.98)}
.btn-white{
    background:#fff;color:var(--primary);box-shadow:0 4px 20px rgba(255,255,255,.25);
}
.btn-white:hover,.btn-white:focus{
    transform:scale(1.04);background:#F0FFF9;color:var(--primary-dark);box-shadow:0 8px 32px rgba(255,255,255,.3);outline:none;
}
.btn-white:active{transform:scale(.99)}
.tag{
    display:inline-flex;align-items:center;padding:3px 12px;border-radius:var(--radius-tag);
    font-size:12px;font-weight:600;background:rgba(0,184,116,.1);color:var(--primary);
}
.tag-orange{background:rgba(255,92,56,.1);color:var(--accent)}
.badge{
    display:inline-flex;align-items:center;gap:4px;padding:4px 14px;border-radius:var(--radius-btn);
    font-size:12px;font-weight:700;background:var(--accent);color:#fff;
    box-shadow:0 2px 8px rgba(255,92,56,.28);
}
/* ===== Header ===== */
.site-header{
    position:sticky;top:0;left:0;right:0;z-index:1000;
    background:var(--ink);
    box-shadow:0 2px 16px rgba(14,31,26,.2);
}
.header-inner{
    max-width:var(--container-w);margin:0 auto;padding:0 24px;
    display:flex;align-items:center;justify-content:space-between;height:72px;
    gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{
    width:38px;height:38px;border-radius:10px;background:var(--primary);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
    box-shadow:0 4px 12px rgba(0,184,116,.28);flex-shrink:0;
}
.brand-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.brand-text i{font-style:normal;color:var(--primary)}
.nav-main{display:flex;align-items:center;gap:28px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
    position:relative;color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
    padding:8px 2px;transition:color .25s;display:inline-block;
}
.nav-links a::after{
    content:'';position:absolute;left:0;bottom:-2px;width:100%;height:2px;
    background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
    transition:transform .25s ease;
}
.nav-links a:hover,.nav-links a:focus{color:#fff;outline:none}
.nav-links a:hover::after,.nav-links a:focus::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.header-cta{
    display:inline-flex;align-items:center;gap:7px;background:var(--accent);color:#fff;
    padding:10px 22px;border-radius:var(--radius-btn);font-size:14px;font-weight:600;
    transition:all .3s;box-shadow:0 4px 14px rgba(255,92,56,.3);
}
.header-cta:hover,.header-cta:focus{
    background:var(--accent-dark);transform:translateY(-2px);outline:none;
    box-shadow:0 8px 22px rgba(255,92,56,.4);color:#fff;
}
.header-cta:active{transform:none}
.nav-toggle{display:none;font-size:20px;color:#fff;padding:8px;border-radius:8px}
.nav-toggle:hover,.nav-toggle:focus{background:rgba(255,255,255,.08);outline:none}
/* ===== Breadcrumb ===== */
.breadcrumb-bar{
    background:var(--bg-soft);border-bottom:1px solid var(--border);padding:14px 0;
}
.breadcrumb-bar .inner{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-sub);
}
.breadcrumb-bar a{color:var(--text-sub);transition:color .25s;position:relative}
.breadcrumb-bar a:hover{color:var(--primary)}
.breadcrumb-bar .sep{color:#C0CCC5;font-size:12px}
.breadcrumb-bar .current{color:var(--text-main);font-weight:500;max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* ===== Article ===== */
.article-section{padding:56px 0 72px;background:#fff}
.article-wrap{max-width:880px;margin:0 auto}
.article-head{text-align:center;margin-bottom:48px}
.article-cat{
    display:inline-flex;align-items:center;gap:6px;background:rgba(0,184,116,.1);
    color:var(--primary);font-size:13px;font-weight:600;padding:4px 16px;
    border-radius:var(--radius-btn);margin-bottom:18px;
}
.article-title{
    font-size:36px;line-height:1.35;font-weight:800;color:var(--text-main);
    letter-spacing:.5px;margin-bottom:20px;
}
.article-meta{
    display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:22px;
    color:var(--text-sub);font-size:14px;
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--primary);font-size:14px}
.article-body{
    max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text-main);
}
.article-body > * + *{margin-top:24px}
.article-body p{line-height:1.9;word-break:break-word}
.article-body h2{
    font-size:23px;font-weight:700;color:var(--text-main);margin-top:36px;line-height:1.4;
}
.article-body h3{
    font-size:19px;font-weight:600;color:var(--text-main);margin-top:28px;line-height:1.5;
}
.article-body img{border-radius:16px;box-shadow:var(--shadow-1)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body blockquote{
    border-left:4px solid var(--primary);background:#F2F9F5;padding:18px 24px;
    border-radius:0 12px 12px 0;color:var(--text-sub);font-size:15px;
}
.article-body ul,.article-body ol{padding-left:6px;margin-left:18px}
.article-body ul li{position:relative;padding-left:14px;margin-bottom:8px}
.article-body ul li::before{
    content:'';position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;
    background:var(--primary);
}
.article-body ol{list-style:decimal}
.article-body ol li{padding-left:6px;margin-bottom:8px}
.article-body strong{font-weight:700;color:var(--text-main)}
.article-body table{
    width:100%;border-collapse:collapse;margin:28px 0;font-size:14px;border-radius:12px;overflow:hidden;
    box-shadow:var(--shadow-1);
}
.article-body table th{
    background:var(--ink);color:#fff;text-align:left;font-weight:600;
}
.article-body table th,.article-body table td{padding:13px 18px;border:1px solid var(--border)}
.article-body table tr{background:#fff}
.article-body table tr:nth-child(even){background:#FAFCFA}
.article-empty{
    text-align:center;padding:70px 32px;max-width:600px;margin:0 auto;
}
.article-empty .empty-icon{
    width:86px;height:86px;border-radius:24px;background:#F2F9F5;color:var(--primary);
    display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 26px;
}
.article-empty h1{font-size:30px;font-weight:700;margin-bottom:14px;color:var(--text-main)}
.article-empty p{color:var(--text-sub);margin-bottom:30px}
.article-actions{max-width:760px;margin:56px auto 0;text-align:center;padding-top:36px;border-top:1px solid var(--border)}
/* ===== HowTo ===== */
.howto-section{
    background:var(--bg-soft);padding:var(--space-section) 0;
    background-image:linear-gradient(rgba(0,184,116,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,184,116,.045) 1px,transparent 1px);
    background-size:34px 34px;
}
.section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;flex-wrap:wrap;
}
.section-head h2{font-size:32px;font-weight:800;color:var(--text-main);line-height:1.3}
.section-head p{color:var(--text-sub);max-width:380px;font-size:15px}
.howto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.howto-card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
    padding:34px 24px 28px;transition:all .3s ease;position:relative;overflow:hidden;
}
.howto-card::before{
    content:'';position:absolute;top:0;left:0;width:4px;height:100%;
    background:var(--primary);opacity:0;transition:opacity .3s;
}
.howto-card:hover,.howto-card:focus-within{
    box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:rgba(0,184,116,.25);
}
.howto-card:hover::before,.howto-card:focus-within::before{opacity:1}
.howto-step{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px;display:block;margin-bottom:10px}
.howto-icon{
    width:52px;height:52px;border-radius:14px;background:rgba(0,184,116,.1);
    color:var(--primary);display:flex;align-items:center;justify-content:center;
    font-size:22px;margin-bottom:18px;
}
.howto-card h3{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:8px}
.howto-card p{font-size:14px;color:var(--text-sub);line-height:1.7}
/* ===== Related ===== */
.related-section{padding:var(--space-section) 0;background:#fff}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.related-card{
    display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
    overflow:hidden;transition:all .3s ease;
}
.related-card:hover,.related-card:focus{
    box-shadow:var(--shadow-2);transform:translateY(-4px);outline:none;border-color:rgba(0,184,116,.25);
}
.related-thumb{position:relative;height:190px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img,.related-card:focus .related-thumb img{transform:scale(1.05)}
.related-thumb::after{
    content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(11,24,20,.28));
}
.related-body{padding:22px 24px 24px}
.related-tags{display:flex;gap:8px;margin-bottom:12px}
.related-body h3{font-size:18px;font-weight:700;color:var(--text-main);line-height:1.45;margin-bottom:8px}
.related-body p{font-size:14px;color:var(--text-sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
/* ===== FAQ ===== */
.faq-section{padding:var(--space-section) 0;background:var(--bg-soft)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-list{border-top:1px solid var(--border)}
.accordion-item{border-bottom:1px solid var(--border);background:transparent}
.accordion-title{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 18px;font-size:16px;font-weight:600;color:var(--text-main);
    background:transparent;border:none;transition:color .25s;position:relative;
}
.accordion-title:hover,.accordion-title:focus{color:var(--primary);background:#F9FBF9;outline:none}
.accordion-title::after{
    content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;font-size:14px;
    color:var(--primary);transition:transform .3s;flex-shrink:0;
}
.accordion-item.is-active .accordion-title::after{content:'\f068'}
.accordion-content{padding:0 18px 22px;color:var(--text-sub);font-size:14px;line-height:1.85}
.accordion-content p:last-child{margin-bottom:0}
.foundation-accordion .accordion-title{outline:none}
.foundation-accordion .accordion-title:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
/* ===== CTA ===== */
.cta-section{
    padding:90px 0;position:relative;overflow:hidden;
    background:linear-gradient(120deg,rgba(14,31,26,.94) 0%,rgba(0,89,61,.88) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cta-inner{text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.35}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.78);margin-bottom:40px}
.cta-inner .btn{min-width:210px;font-size:16px;padding:16px 44px}
/* ===== Footer ===== */
.site-footer{background:var(--ink-deep);padding-top:70px;color:rgba(255,255,255,.72)}
.footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;
    padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-text{font-size:21px;margin-bottom:16px;display:inline-block}
.footer-brand p{font-size:14px;line-height:1.8;max-width:280px}
.footer-block h4{
    font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.3px;
}
.footer-block ul li{margin-bottom:11px}
.footer-block ul a{
    font-size:14px;color:rgba(255,255,255,.68);transition:color .25s,padding-left .25s;
}
.footer-block ul a:hover{color:var(--primary);padding-left:5px}
.footer-contact li{font-size:14px;display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.68)}
.footer-contact li i{color:var(--primary);width:16px;text-align:center}
.footer-bottom{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
    padding:24px 0 28px;font-size:13px;color:rgba(255,255,255,.48);
}
/* ===== Responsive ===== */
@media screen and (max-width:1024px){
    .howto-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
}
@media screen and (max-width:768px){
    .site-header .header-inner{height:64px}
    .brand-text{font-size:17px}
    .nav-toggle{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px}
    .nav-main{
        position:fixed;top:64px;left:0;right:0;background:var(--ink);
        flex-direction:column;align-items:stretch;padding:18px 24px 28px;
        box-shadow:0 12px 32px rgba(0,0,0,.25);gap:14px;
        transform:translateY(-130%);opacity:0;visibility:hidden;transition:all .35s ease;
        border-top:1px solid rgba(255,255,255,.06);
    }
    .nav-main.open{transform:translateY(0);opacity:1;visibility:visible}
    .nav-links{flex-direction:column;align-items:stretch;gap:4px}
    .nav-links a{padding:13px 8px;font-size:17px;border-bottom:1px solid rgba(255,255,255,.06)}
    .nav-links a::after{display:none}
    .nav-links a.active{color:var(--primary);padding-left:14px}
    .header-cta{justify-content:center;padding:13px;margin-top:12px}
    .article-title{font-size:27px}
    .article-meta{gap:12px;flex-wrap:wrap}
    .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:34px}
    .section-head h2{font-size:24px}
    .howto-card{padding:26px 20px 22px}
    .related-grid{grid-template-columns:1fr;gap:20px}
    .related-thumb{height:180px}
    .cta-section{padding:70px 0}
    .cta-inner h2{font-size:27px}
    .cta-inner .btn{width:100%;min-width:0;justify-content:center}
}
@media screen and (max-width:520px){
    :root{--space-section:56px}
    .container{padding:0 18px}
    .howto-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-bottom{flex-direction:column;text-align:center;padding:20px 0 24px}
    .article-section{padding:42px 0 56px}
    .article-head{margin-bottom:32px}
    .article-meta{flex-direction:row;flex-wrap:wrap;justify-content:center}
    .breadcrumb-bar .inner{font-size:13px}
    .breadcrumb-bar .current{max-width:150px}
    .article-body{font-size:16px}
    .howto-card{padding:24px 18px 20px}
    .related-thumb{height:160px}
}

/* roulang page: category1 */
:root {
            --primary: #00B874;
            --primary-dark: #00995F;
            --primary-light: #00E08A;
            --accent: #FF5C38;
            --accent-dark: #E84A28;
            --dark: #0E1F1A;
            --dark-2: #0B1814;
            --light-bg: #F7F8F6;
            --card-bg: #FFFFFF;
            --text: #1C2E28;
            --text-2: #5C6F68;
            --border: #E4EAE6;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-tag: 6px;
            --shadow-1: 0 2px 8px rgba(20, 40, 30, .06);
            --shadow-2: 0 8px 24px rgba(20, 40, 30, .12);
            --container: 1200px;
            --gap: 24px;
            --section-space: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: #fff;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .3s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(0, 184, 116, .5);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section {
            padding: var(--section-space) 0;
        }

        .section-alt {
            background: var(--light-bg);
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 760px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--dark);
            margin: 0 0 10px;
            letter-spacing: .5px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-2);
            margin: 0;
        }

        .section-head .accent-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 92, 56, .1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: 72px;
            display: flex;
            align-items: center;
            background: transparent;
            transition: background .35s ease, box-shadow .35s ease;
        }

        .site-header.scrolled {
            background: rgba(14, 31, 26, .96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
        }

        .header-inner {
            max-width: var(--container);
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(0, 184, 116, .35);
            flex: 0 0 42px;
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .brand-text i {
            font-style: normal;
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 30px;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: block;
            color: #fff;
            font-weight: 500;
            font-size: 16px;
            padding: 8px 2px;
            position: relative;
            line-height: 1.4;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
            transition: width .3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--primary);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: background .3s, transform .3s, box-shadow .3s;
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 92, 56, .4);
        }

        .header-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .nav-toggle:focus-visible {
            outline: 2px solid rgba(255, 255, 255, .6);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 140px 0 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(14, 31, 26, .94) 15%, rgba(14, 31, 26, .62) 50%, rgba(0, 184, 116, .22) 100%);
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            border: 64px solid rgba(0, 184, 116, .12);
            right: -140px;
            bottom: -160px;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 184, 116, .18);
            border: 1px solid rgba(0, 184, 116, .4);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin: 0 0 14px;
            letter-spacing: 1px;
        }

        .hero p.lead {
            font-size: 18px;
            line-height: 1.8;
            color: #C8D6D0;
            max-width: 560px;
            margin: 0 0 32px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            line-height: 1.4;
            transition: background .3s, transform .3s, box-shadow .3s;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 92, 56, .35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .85);
            color: #fff;
            font-size: 16px;
            font-weight: 500;
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            line-height: 1.4;
            transition: background .3s, border-color .3s, color .3s;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .14);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline:active {
            background: rgba(255, 255, 255, .08);
            transform: translateY(1px);
        }

        /* ===== Value Section ===== */
        .value-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 34px;
            box-shadow: var(--shadow-1);
            height: 100%;
            transition: box-shadow .3s, transform .3s;
        }

        .value-card:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .value-card .icon-wrap {
            width: 64px;
            height: 64px;
            background: rgba(0, 184, 116, .1);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .value-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 10px;
        }

        .value-card p {
            font-size: 15px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.8;
        }

        .value-feature-card {
            background: var(--dark);
            border-radius: var(--radius-card);
            padding: 34px;
            color: #fff;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: transform .3s, box-shadow .3s;
        }

        .value-feature-card::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: rgba(0, 184, 116, .18);
        }

        .value-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-2);
        }

        .value-feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            background: rgba(0, 184, 116, .25);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }

        .value-feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .value-feature-card p {
            font-size: 15px;
            line-height: 1.8;
            color: #C8D6D0;
            margin: 0;
        }

        /* ===== Coverage ===== */
        .coverage-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-1);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow .3s, transform .3s;
        }

        .coverage-card:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .coverage-card .cover {
            position: relative;
            overflow: hidden;
            height: 190px;
        }

        .coverage-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .coverage-card:hover .cover img {
            transform: scale(1.05);
        }

        .coverage-card .cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(14, 31, 26, .5));
        }

        .coverage-body {
            padding: 26px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .coverage-tag {
            display: inline-block;
            background: rgba(0, 184, 116, .1);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            margin-bottom: 12px;
            width: fit-content;
        }

        .coverage-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 0 0 8px;
        }

        .coverage-body p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
            margin: 0 0 18px;
            flex: 1;
        }

        .coverage-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: gap .3s, color .3s;
        }

        .coverage-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Steps ===== */
        .steps-wrap {
            background: var(--dark);
            border-radius: 24px;
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }

        .steps-wrap::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .04) 1.5px, transparent 1.5px);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .steps-wrap .section-head h2 {
            color: #fff;
        }

        .steps-wrap .section-head p {
            color: #C8D6D0;
        }

        .step-card {
            text-align: center;
            padding: 12px 8px;
            position: relative;
        }

        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(0, 184, 116, .35);
            position: relative;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 14px;
            color: #C8D6D0;
            line-height: 1.7;
            margin: 0;
        }

        .step-line {
            position: absolute;
            top: 26px;
            left: calc(50% + 40px);
            width: calc(100% - 80px);
            height: 2px;
            border-top: 2px dashed rgba(0, 184, 116, .4);
            z-index: 1;
        }

        /* ===== Highlights ===== */
        .highlight-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-1);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow .3s, transform .3s;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .highlight-card .cover {
            overflow: hidden;
            height: 205px;
        }

        .highlight-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .highlight-card:hover .cover img {
            transform: scale(1.05);
        }

        .highlight-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .highlight-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-2);
            margin-bottom: 10px;
        }

        .highlight-meta .tag {
            background: rgba(255, 92, 56, .1);
            color: var(--accent);
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
        }

        .highlight-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.5;
            margin: 0 0 10px;
        }

        .highlight-body p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .highlight-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 15px;
        }

        .highlight-link:hover {
            color: var(--primary-dark);
        }

        /* ===== FAQ ===== */
        .accordion {
            background: #fff;
            border: none;
            border-radius: var(--radius-card);
            margin: 0;
            box-shadow: var(--shadow-1);
            overflow: hidden;
        }

        .accordion-item {
            list-style: none;
            border-bottom: 1px solid var(--border);
        }

        .accordion-item:last-child {
            border-bottom: none;
        }

        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 28px;
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            background: #fff;
            border: none;
            cursor: pointer;
            line-height: 1.5;
            transition: background .3s, color .3s;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: var(--light-bg);
            color: var(--primary-dark);
        }

        .accordion-title::after {
            content: '+';
            font-size: 26px;
            font-weight: 300;
            color: var(--primary);
            line-height: 1;
            flex: 0 0 24px;
            text-align: right;
            transition: transform .3s;
        }

        .accordion-item.is-active > .accordion-title::after {
            content: '−';
            transform: rotate(180deg);
        }

        .accordion-content {
            padding: 4px 28px 24px;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
            background: #fff;
            border: none;
        }

        .accordion-content[aria-hidden="true"] {
            display: none;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--dark) 0%, #0A3328 55%, var(--primary-dark) 130%);
            padding: 64px 0;
        }

        .cta-inner {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 28px;
            padding: 56px 32px;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: #C8D6D0;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .btn-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark);
            font-size: 18px;
            font-weight: 700;
            padding: 16px 44px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            line-height: 1.4;
            box-shadow: 0 8px 28px rgba(0, 0, 0, .2);
            transition: transform .3s, box-shadow .3s, background .3s;
        }

        .btn-large:hover {
            transform: scale(1.03);
            box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
            color: var(--primary-dark);
        }

        .btn-large:active {
            transform: scale(.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-2);
            padding: 64px 0 28px;
            color: #C8D6D0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-text {
            font-size: 20px;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #9FB6AD;
            margin: 0;
        }

        .footer-block h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
        }

        .footer-block ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-block ul li {
            margin-bottom: 10px;
            font-size: 14px;
            color: #9FB6AD;
        }

        .footer-block ul a {
            color: #9FB6AD;
            font-size: 14px;
            transition: color .3s;
        }

        .footer-block ul a:hover {
            color: var(--primary);
        }

        .footer-contact ul li i {
            color: var(--primary);
            margin-right: 6px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #729083;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .step-line {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .section {
                --section-space: 56px;
            }

            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-main {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(14, 31, 26, .98);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 20px;
                display: none;
                box-shadow: 0 16px 32px rgba(0, 0, 0, .3);
                border-top: 1px solid rgba(255, 255, 255, .08);
            }

            .nav-main.open {
                display: flex;
            }

            .nav-links {
                flex-direction: column;
                gap: 18px;
                width: 100%;
            }

            .nav-links a {
                font-size: 20px;
                padding: 10px 0;
            }

            .header-cta {
                width: 100%;
                justify-content: center;
                text-align: center;
                padding: 14px 24px;
            }

            .hero {
                min-height: 460px;
                padding: 120px 0 64px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .steps-wrap {
                padding: 40px 24px;
            }

            .cta-inner {
                padding: 40px 24px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .btn-large {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero h1 {
                font-size: 28px;
            }

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

            .brand-text {
                font-size: 18px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 15px;
                flex-basis: 36px;
            }

            .section-head p {
                font-size: 15px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .step-card p {
                font-size: 13px;
            }
        }