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

:root {
    --primary-red: #AD0800;
    --bg-white: #FFFFFF;
    --page-width: 1443px;
}

html {
    scroll-behavior: smooth;
}

body {
    color: #202532;
    background: #f6f7f9;
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.header {
    background: var(--bg-white);
    top: 0;
    z-index: 1000;
    position: sticky;
    filter: drop-shadow(0px 0px 11px rgba(215, 215, 215, 0.329));
}

.header-wrapper {
    display: flex;
    flex-direction: column;
}

.header-top-bar {
    display: none;
}

.header-nav-bar {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 7px 121px;
    display: flex;
    align-items: center;
    gap: 30px;
    width: 100%;
    background: var(--bg-white);
}

.logo {
    flex: 0 0 auto;
}

.logo img {
    height: 32px;
    width: auto;
    max-width: none;
}

.mobile-logo {
    display: none;
}

.mobile-fixed-btn {
    display: none;
}

.nav-menu {
    display: flex;
    gap: 35px;
    align-items: center;
    margin-left: 100px;
    white-space: nowrap;
}

.nav-link {
    color: #000000;
    font-family: 'PingFang SC', 'PingFangSC-Regular', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    font-weight: 400;
    padding: 8px 0;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
    font-weight: bold;
}

.nav-link.contact {
    color: #000000;
    font-weight: 400;
}

.nav-link.contact:hover,
.nav-link.contact.active {
    color: var(--primary-red);
    font-weight: bold;
}

.search-container {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.search-box {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #ED6525 0%, #EA1D1D 24%, #B80D0D 100%);
    border-radius: 11px;
    width: 454px;
    height: 38px;
    padding: 2px;
    gap: 0;
    overflow: hidden;
}

.search-inner {
    flex: 1;
    min-width: 0;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    background: #fff;
    border-radius: 10px;
}

.search-input {
    width: 376px;
    flex-shrink: 0;
    border: none;
    background: #FFFFFF;
    padding: 0 15px;
    font-size: 14px;
    outline: none;
    color: #000;
    border-radius: 10px;
    height: 100%;
    margin: 0;
}

.search-input::placeholder {
    color: #9F9B9B;
}

.search-btn {
    flex: 1;
    background: transparent;
    color: #FFFFFF;
    padding: 0;
    font-size: 15px;
    font-weight: 400;
    font-family: 'PingFang SC', 'PingFangSC-Regular', sans-serif;
    white-space: nowrap;
    height: 100%;
    text-align: center;
}

.pc-search {
    display: flex;
}

.solution-main {
    min-height: 60vh;
}

.solution-wrap {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

.solution-hero {
    background: #fff;
    border-bottom: 1px solid #e7eaf0;
    padding: 42px 0 54px;
}

.solution-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 398px;
    gap: 62px;
    align-items: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    color: #7c8491;
    font-size: 13px;
}

.breadcrumb a:hover {
    color: #b4232a;
}

.eyebrow {
    margin: 0 0 12px;
    color: #b4232a;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.solution-hero h1 {
    margin: 0;
    color: #151922;
    font-size: 48px;
    line-height: 1.14;
    font-weight: 800;
    letter-spacing: 0;
}

.hero-lead {
    max-width: 720px;
    margin: 20px 0 0;
    color: #4e5969;
    font-size: 18px;
    line-height: 1.85;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 700;
}

.btn-primary {
    color: #fff;
    background: #b4232a;
}

.solution-hero .btn-primary {
    border-radius: 8px;
    background: #e51520;
}

.btn-secondary {
    color: #b4232a;
    background: #fff;
    border: 1px solid #d9dde6;
}

.solution-board {
    padding: 22px;
    border: 1px solid #e3e7ee;
    border-radius: 8px;
    background: #fbfcfd;
}

.board-row {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 6px;
    background: #fff;
    border-left: 4px solid #b4232a;
}

.board-row + .board-row {
    margin-top: 14px;
}

.board-row:nth-child(2) {
    border-left-color: #2c7a7b;
}

.board-row:nth-child(3) {
    border-left-color: #d97706;
}

.board-row span {
    color: #7b8493;
    font-size: 13px;
}

.board-row strong {
    color: #202532;
    font-size: 18px;
    line-height: 1.45;
}

.solution-section {
    padding: 58px 0;
}

.solution-position {
    background: #f6f7f9;
}

.answer-section {
    background: #fff;
}

.section-head {
    max-width: 760px;
    margin-bottom: 28px;
}

.section-head.compact {
    margin-bottom: 22px;
}

.section-head h2,
.solution-split h2,
.consult-panel h2 {
    margin: 0;
    color: #171b24;
    font-size: 32px;
    line-height: 1.3;
    font-weight: 800;
}

.section-head p,
.solution-split > div > p,
.consult-panel p {
    margin: 12px 0 0;
    color: #596474;
    font-size: 16px;
    line-height: 1.75;
}

.answer-grid,
.rule-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

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

.answer-card,
.rule-card,
.package-card,
.process-list article,
.deliverable-list article,
.consult-panel,
.next-grid a,
.faq-list details {
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fff;
}

.answer-card,
.rule-card {
    padding: 22px;
}

.answer-card {
    min-height: 142px;
    background: #fbfcfd;
}

.rule-card {
    min-height: 218px;
    display: flex;
    flex-direction: column;
}

.rule-card:hover {
    border-color: #c8ced9;
    transform: translateY(-2px);
}

.answer-card h3,
.rule-card h3,
.package-card h3,
.process-list h3,
.deliverable-list h3 {
    margin: 0;
    color: #1d2430;
    font-size: 19px;
    line-height: 1.35;
}

.answer-card p,
.rule-card p,
.package-card p,
.process-list p,
.deliverable-list p,
.next-grid p {
    margin: 10px 0 0;
    color: #5a6575;
    font-size: 14px;
    line-height: 1.75;
}

.rule-card span {
    display: inline-flex;
    margin-top: auto;
    padding-top: 18px;
    color: #b4232a;
    font-size: 14px;
    font-weight: 800;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.package-card {
    display: flex;
    flex-direction: column;
    min-height: 390px;
    padding: 24px;
}

.package-mark {
    display: block;
    min-height: 44px;
    margin-bottom: 18px;
    color: #6b7280;
    font-size: 13px;
    line-height: 1.65;
}

.package-card h3 {
    font-size: 21px;
}

.package-details {
    display: grid;
    gap: 6px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid #eef1f5;
}

.package-details strong {
    color: #303846;
    font-size: 13px;
}

.package-details span {
    color: #5a6575;
    font-size: 14px;
    line-height: 1.65;
}

.package-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 18px;
}

.package-links a {
    padding: 7px 10px;
    border-radius: 4px;
    color: #3f4856;
    background: #f3f5f8;
    font-size: 13px;
}

.package-links a:hover {
    color: #b4232a;
    background: #fff1f1;
}

.package-strategy {
    border-top: 4px solid #b4232a;
}

.package-talent {
    border-top: 4px solid #2c7a7b;
}

.package-ai {
    border-top: 4px solid #3156a3;
}

.package-frontline {
    border-top: 4px solid #d97706;
}

.package-sales {
    border-top: 4px solid #7c3aed;
}

.package-risk {
    border-top: 4px solid #64748b;
}

.solution-topic-index {
    background: #f6f7f9;
    border-top: 1px solid #e8ebf0;
}

.topic-solution-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.topic-solution-card {
    display: flex;
    flex-direction: column;
    min-height: 174px;
    padding: 20px;
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fff;
}

.topic-solution-card:hover {
    border-color: #c8ced9;
    transform: translateY(-2px);
}

.topic-solution-card strong {
    display: block;
    color: #1d2430;
    font-size: 19px;
    line-height: 1.35;
}

.topic-solution-card p {
    margin: 10px 0 0;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.fit-section {
    background: #fff;
    border-top: 1px solid #e8ebf0;
}

.fit-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.fit-panel {
    padding: 24px;
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fbfcfd;
}

.fit-panel h3 {
    margin: 0 0 18px;
    color: #1d2430;
    font-size: 22px;
    line-height: 1.35;
}

.fit-item {
    display: block;
    padding: 16px 0;
    border-top: 1px solid #e8ebf0;
}

.fit-item strong {
    display: block;
    color: #1d2430;
    font-size: 17px;
    line-height: 1.35;
}

.fit-item p {
    margin: 8px 0 0;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.fit-yes {
    border-top: 4px solid #2c7a7b;
}

.fit-no {
    border-top: 4px solid #d97706;
}

.fit-no .fit-item:hover strong {
    color: #b4232a;
}

.solution-resource {
    background: #fff;
    border-top: 1px solid #e8ebf0;
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.method-panel,
.resource-card {
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fbfcfd;
}

.method-panel {
    padding: 24px;
}

.method-panel h3,
.resource-title-row h3 {
    margin: 0;
    color: #1d2430;
    font-size: 21px;
    line-height: 1.35;
}

.method-panel ul {
    display: grid;
    gap: 10px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.method-panel li {
    position: relative;
    padding-left: 18px;
    color: #536070;
    font-size: 14px;
    line-height: 1.75;
}

.method-panel li::before {
    content: "";
    position: absolute;
    top: 11px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #b4232a;
}

.resource-block {
    margin-top: 34px;
}

.resource-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.resource-title-row a {
    color: #b4232a;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
}

.resource-grid {
    display: grid;
    gap: 16px;
}

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

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

.resource-card {
    display: flex;
    flex-direction: column;
    min-height: 178px;
    padding: 20px;
    background: #fff;
}

.resource-card:hover {
    border-color: #c8ced9;
    transform: translateY(-2px);
}

.resource-card span {
    display: block;
    min-height: 20px;
    color: #7b8493;
    font-size: 13px;
    line-height: 1.5;
}

.resource-card strong {
    display: block;
    margin-top: 12px;
    color: #1d2430;
    font-size: 17px;
    line-height: 1.45;
}

.resource-card p {
    margin: auto 0 0;
    padding-top: 14px;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.expert-card {
    min-height: 210px;
}

.solution-tools-section {
    background: #fff;
    border-top: 1px solid #e8ebf0;
}

.solution-tool-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.solution-tool-card {
    min-height: 184px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fbfcfd;
}

.solution-tool-card:hover {
    border-color: #b4232a;
    transform: translateY(-2px);
}

.solution-tool-card span {
    color: #b4232a;
    font-size: 13px;
    font-weight: 800;
    line-height: 1.5;
}

.solution-tool-card strong {
    display: block;
    margin-top: 12px;
    color: #1d2430;
    font-size: 18px;
    line-height: 1.4;
}

.solution-tool-card p {
    margin: auto 0 0;
    padding-top: 14px;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.quality-panel {
    margin-top: 34px;
    padding: 24px;
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fbfcfd;
}

.quality-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.quality-head h3 {
    margin: 0;
    color: #1d2430;
    font-size: 22px;
    line-height: 1.35;
}

.quality-head span {
    flex: 0 0 auto;
    padding: 7px 10px;
    border-radius: 4px;
    color: #fff;
    background: #2c7a7b;
    font-size: 13px;
    font-weight: 800;
}

.quality-panel > p {
    margin: 12px 0 0;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.quality-item {
    padding: 14px;
    border: 1px solid #e4e8ef;
    border-radius: 6px;
    background: #fff;
}

.quality-item strong {
    display: block;
    color: #303846;
    font-size: 13px;
    line-height: 1.45;
}

.quality-item span {
    display: block;
    margin-top: 8px;
    color: #596474;
    font-size: 14px;
    font-weight: 800;
}

.quality-item.passed {
    border-color: #b8d8cf;
}

.quality-item.pending {
    border-color: #f1d0b2;
}

.solution-band {
    background: #fff;
    border-top: 1px solid #e8ebf0;
    border-bottom: 1px solid #e8ebf0;
}

.solution-split {
    display: grid;
    grid-template-columns: 340px minmax(0, 1fr);
    gap: 50px;
    align-items: start;
}

.process-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.process-list article {
    min-height: 214px;
    padding: 20px;
}

.process-list span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 28px;
    margin-bottom: 16px;
    border-radius: 4px;
    color: #fff;
    background: #202532;
    font-size: 13px;
    font-weight: 800;
}

.solution-two-col {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 42px;
    align-items: start;
}

.deliverable-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.deliverable-list article {
    padding: 22px;
}

.consult-panel {
    position: sticky;
    top: 96px;
    padding: 24px;
}

.consult-panel h2 {
    font-size: 24px;
}

.consult-panel img {
    width: 168px;
    height: 168px;
    margin: 22px auto 18px;
    border: 1px solid #eef1f5;
    border-radius: 6px;
}

.consult-panel a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    border-radius: 4px;
    color: #fff;
    background: #b4232a;
    font-weight: 700;
}

.solution-next {
    background: #f6f7f9;
}

.solution-faq {
    background: #fff;
}

.related-solution-section {
    background: #fff;
    border-top: 1px solid #e8ebf0;
}

.related-solution-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.related-solution-card {
    display: flex;
    flex-direction: column;
    min-height: 218px;
    padding: 22px;
    border: 1px solid #e4e8ef;
    border-radius: 8px;
    background: #fbfcfd;
}

.related-solution-card:hover {
    border-color: #c8ced9;
    transform: translateY(-2px);
}

.related-solution-card span {
    color: #7b8493;
    font-size: 13px;
    line-height: 1.6;
}

.related-solution-card strong {
    display: block;
    margin-top: 14px;
    color: #1d2430;
    font-size: 20px;
    line-height: 1.35;
}

.related-solution-card p {
    margin: 10px 0 0;
    color: #596474;
    font-size: 14px;
    line-height: 1.7;
}

.related-solution-card em {
    display: block;
    margin-top: auto;
    padding-top: 16px;
    color: #b4232a;
    font-size: 14px;
    font-style: normal;
    font-weight: 800;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-list details {
    padding: 0 20px;
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    padding: 19px 0;
    color: #1d2430;
    font-size: 17px;
    font-weight: 800;
}

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

.faq-list summary::after {
    content: "+";
    float: right;
    color: #b4232a;
    font-size: 20px;
    line-height: 1;
}

.faq-list details[open] summary::after {
    content: "-";
}

.faq-list p {
    margin: 0;
    padding: 0 0 20px;
    color: #596474;
    font-size: 15px;
    line-height: 1.8;
}

.next-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.next-grid a {
    min-height: 188px;
    padding: 22px;
}

.next-grid a:hover {
    border-color: #c8ced9;
    transform: translateY(-2px);
}

.next-grid span {
    display: block;
    margin-bottom: 12px;
    color: #7b8493;
    font-size: 13px;
}

.next-grid strong {
    display: block;
    color: #1d2430;
    font-size: 19px;
    line-height: 1.35;
}

.footer {
    background: #000;
    padding: 50px 0 30px;
    margin-top: 40px;
}

.footer-content {
    max-width: 1443px;
    margin: 0 auto;
    padding: 0 121px;
}

.footer-intro {
    margin-bottom: 15px;
}

.footer-intro p {
    margin: 0;
    color: #7d7d7d;
    font-size: 14px;
    line-height: 1.8;
}

.footer-divider {
    width: 100%;
    height: 1px;
    margin-bottom: 20px;
    background: #333;
}

.footer-section-block {
    margin-bottom: 20px;
}

.footer-section-title {
    margin: 0 0 12px;
    color: #908f8f;
    font-size: 14px;
    font-weight: 700;
}

.footer-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.footer-tag {
    margin-right: 30px;
    margin-bottom: 8px;
    color: #908f8f;
    font-size: 14px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.footer-tag a {
    color: inherit;
    font-size: 13px;
}

.footer-tag:hover,
.footer-tag a:hover {
    color: #fff;
}

.footer-desc {
    margin: 0 0 8px;
    color: #908f8f;
    font-size: 13px;
    line-height: 1.8;
}

.footer-bottom {
    max-width: 1443px;
    margin: 0 auto;
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 23px;
}

.footer-bottom p {
    margin: 0;
    color: #7d7d7d;
    font-size: 14px;
}

.footer-copyright,
.footer-beian {
    text-align: left;
}

.footer-beian {
    white-space: nowrap;
}

.beian-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin: 0 4px;
    vertical-align: middle;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    position: relative;
    width: 265px;
    border-radius: 16px;
    overflow: visible;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    background: #fff;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    border: none;
    line-height: 1;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.5);
}

.modal-top {
    position: relative;
    height: 153px;
    padding: 21px 21px 0;
    box-sizing: border-box;
    overflow: hidden;
    background: #C62828;
    border-radius: 16px 16px 0 0;
}

.modal-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 265px;
    height: 153px;
    display: block;
}

.modal-title {
    font-size: 20px;
    font-weight: 400;
    font-family: 'Arial', sans-serif;
    color: #FFFFFF;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.modal-tip {
    font-size: 14px;
    font-weight: 400;
    font-family: 'PingFang SC', 'PingFangSC-Regular', sans-serif;
    color: #FFFFFF;
    line-height: 1.4;
    position: relative;
    z-index: 1;
}

.modal-qrcode-wrap {
    position: relative;
    z-index: 2;
    width: 190px;
    height: 189px;
    margin: -60px auto 0;
}

.modal-qrcode-img {
    width: 190px;
    height: 189px;
    object-fit: cover;
    border-radius: 16px;
    display: block;
}

.modal-bottom {
    background: #fff;
    padding: 15px 21px 20px;
    text-align: center;
    border-radius: 0 0 16px 16px;
}

.modal-note {
    font-size: 14px;
    font-weight: 400;
    font-family: 'PingFang SC', 'PingFangSC-Regular', sans-serif;
    color: #131313;
    text-align: center;
    white-space: nowrap;
}

@media (min-width: 761px) {
    .solution-hero .hero-actions .btn-secondary {
        order: 1;
        color: #fff;
        background: #e51520;
        border-color: #e51520;
        border-radius: 8px;
    }

    .solution-hero .hero-actions .btn-primary {
        order: 2;
        color: #e51520;
        background: #fff;
        border: 1px solid #d9dde6;
    }
}

@media (min-width: 769px) and (max-width: 1420px) {
    .header-nav-bar {
        padding-right: 48px;
        padding-left: 48px;
        gap: 24px;
    }

    .nav-menu {
        gap: 24px;
        margin-left: 40px;
    }

    .pc-search {
        min-width: 0;
        flex: 0 1 454px;
    }

    .pc-search .search-box {
        width: 454px;
        min-width: 0;
    }

    .pc-search .search-input {
        width: 376px;
        min-width: 0;
    }
}

@media (min-width: 769px) and (max-width: 1320px) {
    .header-nav-bar {
        padding-right: 32px;
        padding-left: 32px;
    }

    .nav-menu {
        gap: 20px;
        margin-left: 28px;
    }

    .pc-search {
        flex-basis: 360px;
    }

    .pc-search .search-box {
        width: 360px;
    }

    .pc-search .search-input {
        width: auto;
        flex: 1;
    }
}

@media (max-width: 1020px) {
    .solution-hero-grid,
    .solution-split,
    .solution-two-col {
        grid-template-columns: 1fr;
    }

    .solution-board,
    .consult-panel {
        position: static;
    }

    .answer-grid,
    .rule-grid,
    .package-grid,
    .fit-grid,
    .course-resource-grid,
    .expert-resource-grid,
    .solution-tool-grid,
    .related-solution-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .topic-solution-grid,
    .method-grid,
    .quality-grid,
    .process-list,
    .next-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: calc(47px + env(safe-area-inset-bottom));
    }

    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: 0;
        margin: 0;
        box-shadow: none;
    }

    .header-wrapper {
        width: 100%;
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    .header-top-bar {
        display: flex;
        align-items: center;
        background: #FFFFFF;
        padding: 8px 10px;
        width: 100%;
        box-sizing: border-box;
    }

    .search-container {
        display: flex;
        flex: 1;
        width: 100%;
    }

    .search-box {
        width: 100%;
        background: linear-gradient(135deg, #b80d0d 0%, #ea1d1d 85%, #ed6525 100%);
        border-radius: 13px;
        height: 44px;
        display: flex;
        align-items: center;
        padding: 2px;
        gap: 0;
        overflow: hidden;
    }

    .search-inner {
        flex: 1;
        display: flex;
        align-items: center;
        background: #FFFFFF;
        border-radius: 11px;
        height: 100%;
        padding: 0 8px;
        gap: 6px;
        min-width: 0;
        overflow: hidden;
    }

    .mobile-logo {
        display: block;
        height: 20px;
        width: 20px;
        flex-shrink: 0;
        border-radius: 4px;
        object-fit: cover;
    }

    .search-input {
        flex: 1;
        background: transparent;
        border: none;
        outline: none;
        padding: 0;
        font-size: 16px;
        color: #000;
        height: 100%;
        min-width: 0;
        width: auto;
    }

    .search-input::placeholder {
        color: #C2BFBF;
        font-size: 16px;
    }

    .search-btn {
        flex: 0 0 68px;
        background: transparent;
        color: #fff;
        padding: 0;
        font-size: 13px;
        font-weight: 400;
        height: 100%;
        text-align: center;
        white-space: nowrap;
    }

    .pc-search {
        display: none;
    }

    .header-nav-bar {
        max-width: 100%;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 0 13px;
        gap: 0;
        justify-content: flex-start;
        box-sizing: border-box;
    }

    .logo {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex-direction: row;
        position: static;
        box-shadow: none;
        padding: 0;
        gap: 0;
        margin-left: 0;
        flex-shrink: 0;
        width: 100%;
        justify-content: space-between;
    }

    .nav-link {
        color: #000000;
        font-size: 15px;
        font-weight: 400;
        white-space: nowrap;
        padding: 10px 0;
    }

    .nav-link.active,
    .nav-link:hover {
        color: var(--primary-red);
        font-weight: bold;
    }

    .mobile-fixed-btn {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 999;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px 15px calc(8px + env(safe-area-inset-bottom));
        background: #fff;
    }

    .fixed-btn-m {
        display: flex;
        align-items: center;
        justify-content: center;
        width: min(100%, 360px);
        height: 31px;
        padding: 0 15px;
        gap: 4px;
        border-radius: 8px;
        background: linear-gradient(135deg, #f26a21 0%, #fb0000 100%);
    }

    .fixed-btn-text,
    .fixed-btn-link {
        color: #fff;
        font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
        font-size: 14px;
        font-weight: 400;
        white-space: nowrap;
    }

    .solution-main {
        margin-top: 92px;
    }

    .solution-wrap,
    .footer-content {
        width: min(100% - 28px, 1160px);
    }

    .footer {
        margin-top: 30px;
        padding: 30px 0 0;
    }

    .footer-content {
        padding-left: 13px;
        padding-right: 13px;
    }

    .footer-section-title {
        margin-bottom: 10px;
        font-size: 13px;
    }

    .footer-tag {
        width: auto;
        margin-right: 18px;
        margin-bottom: 10px;
        font-size: 13px;
    }

    .footer-tags-hot .footer-tag {
        width: auto;
    }

    .footer-intro p,
    .footer-desc {
        font-size: 13px;
    }

    .footer-section-block {
        margin-bottom: 16px;
    }

    .footer-bottom {
        padding-top: 10px;
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .footer-divider {
        margin-bottom: 12px;
    }

    .footer-bottom p {
        margin-bottom: 4px;
        text-align: center;
        font-size: 13px;
    }

    .footer-copyright,
    .footer-beian {
        text-align: center;
        white-space: normal;
    }

    .beian-icon {
        margin: 0 2px;
    }

    .solution-hero {
        padding: 28px 0 38px;
    }

    .breadcrumb {
        margin-bottom: 18px;
        flex-wrap: wrap;
    }

    .solution-hero h1 {
        font-size: 26px;
    }

    .hero-lead {
        font-size: 16px;
        line-height: 1.75;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn-secondary {
        display: none;
    }

    .btn {
        width: 100%;
    }

    .solution-hero .hero-actions .btn-primary {
        width: 150px;
    }

    .solution-section {
        padding: 40px 0;
    }

    .section-head h2,
    .solution-split h2 {
        font-size: 20px;
    }

    .answer-card h3,
    .rule-card h3,
    .package-card h3,
    .process-list h3,
    .deliverable-list h3,
    .topic-solution-card strong,
    .next-grid strong {
        font-size: 17px;
    }

    .answer-grid,
    .rule-grid,
    .package-grid,
    .topic-solution-grid,
    .fit-grid,
    .method-grid,
    .quality-grid,
    .course-resource-grid,
    .expert-resource-grid,
    .solution-tool-grid,
    .related-solution-grid,
    .process-list,
    .deliverable-list,
    .next-grid {
        grid-template-columns: 1fr;
    }

    .answer-card,
    .rule-card,
    .package-card,
    .topic-solution-card,
    .related-solution-card,
    .resource-card,
    .solution-tool-card,
    .process-list article,
    .next-grid a {
        min-height: auto;
    }

    .quality-head,
    .resource-title-row {
        align-items: flex-start;
        flex-direction: column;
    }
}